What are the cheapest airlines to fly from Ireland to Washington, D.C. one-way?

£241 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on Icelandair and Aer Lingus, with prices starting from £322 and £378, respectively.

What is the cheapest day to fly from Ireland to Washington, D.C.?

Travellers seeking maximum savings on their Ireland to Washington, D.C. flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Ireland to Washington, D.C.?

While some choose either Dublin - Washington, D.C. Dulles Intl or Dublin - Baltimore/Washington, Dublin - Washington, D.C. Reagan-National is the most popular route from Ireland to Washington, D.C..

What are the cheapest flights from Ireland to Washington, D.C.?

On average you can expect to pay £476 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is £366 while the most popular route, (Dublin - Washington, D.C. Reagan-National) is currently priced at £418.

What are the most reliable airlines from Ireland to Washington, D.C.?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to Washington, D.C. on time: SWISS (100%), Air Canada (90%), United Airlines (90%).

What are the most popular airlines that fly from Ireland to Washington, D.C.?

British Airways, Aer Lingus and Icelandair are the most popular airlines when flying from Ireland to Washington, D.C..

What is the cheapest day to fly round-trip from Ireland to Washington, D.C.?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 19% when planning your travel around this day of the week.

How far in advance should I book a flight from Ireland to Washington, D.C.?

To save on the cost of your flight from Ireland to Washington, D.C., book at least 53 days before your planned departure. Booking around this time can save you about 109% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £393 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £571.

What is the cheapest month to fly from Ireland to Washington, D.C.?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, January can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from Ireland in January are about £443 on average during January, but can be found for as low as £218.

Can I find deals for flights from Ireland to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Ireland to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ireland to Washington, D.C.?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Washington, D.C..

Can I find deals for business class flights from Ireland to Washington, D.C.?

Yes. Cheapflights offers flight deals from Ireland to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£506+ Flights from Ireland to Washington, D.C.

Cheap flight deals from Ireland to Washington, D.C.

Round-trip from	£252
One-way from	£241
Popular in	July
Cheapest in	January
Average price	£400
Good round-trip deal	£480 or less
Good one-way deal	£372 or less

PLAY
14/4-20/4
2 total stops
20h 50m total
Ireland to Washington, D.C.

Search Deals

PLAY
7/5
1 total stop
11h 05m total
Ireland to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£91 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Price to beat on a round-trip flight from Ireland to Washington, D.C. (WAS).

Search Deals

Price to beat on a one-way flight from Ireland to Washington, D.C. (WAS).

Search Deals

Find flight deals from Ireland to Washington, D.C.

Cheapest flights from Ireland to Washington, D.C.
Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Mon 14/411:35DUB - BWI

1 stop11h 05mPLAY

Sun 20/418:50BWI - DUB

1 stop9h 45mPLAY

Deal found 22/2£252

Thu 3/412:20DUB - IAD

2 stops36h 39mScandinavian Airlines

Mon 7/422:05IAD - DUB

1 stop15h 10mScandinavian Airlines

Deal found 21/2£320

Thu 3/412:15DUB - IAD

1 stop12h 05mIcelandair

Mon 7/420:30IAD - DUB

1 stop9h 35mIcelandair

Deal found 21/2£322

Wed 2/412:15DUB - BWI

1 stop12h 10mIcelandair

Mon 7/420:30BWI - DUB

1 stop9h 35mIcelandair

Deal found 22/2£347

Thu 1/512:45DUB - BWI

1 stop11h 50mBritish Airways

Mon 5/521:20BWI - DUB

1 stop12h 20mBritish Airways

Deal found 22/2£373

Thu 1/505:55DUB - BWI

2 stops15h 55mKLM

Mon 5/514:35BWI - DUB

1 stop15h 10mKLM

Deal found 22/2£392

Sat 29/305:55DUB - IAD

1 stop14h 50mDelta

Sat 5/412:11IAD - DUB

2 stops15h 04mDelta

Deal found 22/2£392

Wed 2/413:15DUB - DCA

1 stop14h 13mKLM

Mon 7/415:59DCA - DUB

1 stop11h 46mKLM

Deal found 22/2£395

Sat 29/305:55DUB - IAD

1 stop14h 50mKLM

Sat 5/412:11IAD - DUB

1 stop16h 04mKLM

Deal found 22/2£395

Sun 2/305:55DUB - BWI

2 stops15h 55mDelta

Sun 9/318:55BWI - DUB

1 stop10h 50mDelta

Deal found 22/2£403

Wed 2/406:00DUB - DCA

2 stops16h 08mDelta

Mon 7/418:55DCA - DUB

2 stops15h 05mDelta

Deal found 22/2£405

Sat 15/312:30DUB - IAD

Nonstop8h 10mAer Lingus

Sun 1/620:25IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 21/2£405

Best flights from Ireland to Washington, D.C.
Discover carefully curated flight deals from Ireland to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 February 2025.

Mon 14/411:35DUB - BWI

1 stop11h 05mPLAY

Sun 20/418:50BWI - DUB

1 stop9h 45mPLAY

Deal found 22/2£252

Thu 3/412:20DUB - IAD

2 stops36h 39mScandinavian Airlines

Mon 7/422:05IAD - DUB

1 stop15h 10mScandinavian Airlines

Deal found 21/2£320

Thu 3/412:15DUB - IAD

1 stop12h 05mIcelandair

Mon 7/420:30IAD - DUB

1 stop9h 35mIcelandair

Deal found 21/2£322

Thu 1/512:45DUB - BWI

1 stop11h 50mBritish Airways

Mon 5/521:20BWI - DUB

1 stop12h 20mBritish Airways

Deal found 22/2£373

Thu 1/505:55DUB - BWI

2 stops15h 55mKLM

Mon 5/514:35BWI - DUB

1 stop15h 10mKLM

Deal found 22/2£392

Sat 29/305:55DUB - IAD

1 stop14h 50mDelta

Sat 5/412:11IAD - DUB

2 stops15h 04mDelta

Deal found 22/2£392

Sat 15/312:30DUB - IAD

Nonstop8h 10mAer Lingus

Sun 1/620:25IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 21/2£405

Tue 8/409:30DUB - DCA

1 stop15h 29mAmerican Airlines

Tue 15/413:44DCA - DUB

1 stop10h 46mAmerican Airlines

Deal found 22/2£418

Wed 2/419:05DUB - BWI

2 stops33h 53mMultiple Airlines

Mon 7/405:30BWI - DUB

2 stops31h 45mMultiple Airlines

Deal found 22/2£426

Wed 5/310:45DUB - IAD

1 stop14h 20mLufthansa

Sun 9/323:05IAD - DUB

Nonstop7h 00mLufthansa

Deal found 21/2£444

Thu 29/511:45DUB - DCA

1 stop16h 14mJetBlue

Mon 16/606:59DCA - DUB

1 stop21h 01mJetBlue

Deal found 22/2£448

Thu 3/409:50DUB - IAD

1 stop11h 18mUnited Airlines

Mon 7/419:00IAD - DUB

Nonstop7h 10mUnited Airlines

Deal found 21/2£479

Direct flights from Ireland to Washington, D.C.
Explore direct flight options from Ireland to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 February 2025.

Sat 15/312:30DUB - IAD

Nonstop8h 10mAer Lingus

Sun 1/620:25IAD - DUB

Nonstop6h 50mAer Lingus

Deal found 21/2£405

Wed 5/311:50DUB - IAD

Nonstop8h 20mLufthansa

Sun 9/323:05IAD - DUB

Nonstop7h 00mLufthansa

Deal found 21/2£448

Tue 8/412:30DUB - IAD

Nonstop8h 00mUnited Airlines

Tue 15/419:00IAD - DUB

Nonstop7h 10mUnited Airlines

Deal found 22/2£493

Sat 15/312:30DUB - IAD

Nonstop8h 10mAmerican Airlines

Sun 1/620:25IAD - DUB

Nonstop6h 50mAmerican Airlines

Deal found 22/2£515

Last-minute flights from Ireland to Washington, D.C.
Discover last-minute flight deals from Ireland to Washington, D.C.. Data last updated 23 February 2025 and is based on user searches.

Thu 27/212:30DUB - IAD

Nonstop8h 10mAer Lingus

Thu 6/317:10IAD - DUB

Nonstop6h 45mAer Lingus

Deal found 22/2£431

Thu 27/213:10DUB - IAD

1 stop14h 54mMultiple Airlines

Thu 6/317:10IAD - DUB

Nonstop6h 45mMultiple Airlines

Deal found 20/2£495

Fri 28/209:00DUB - IAD

1 stop17h 23mUnited Airlines

Fri 7/322:05IAD - DUB

Nonstop7h 00mUnited Airlines

Deal found 21/2£435

Sat 1/305:55DUB - IAD

2 stops18h 00mDelta

Sun 23/322:30IAD - DUB

1 stop13h 10mDelta

Deal found 21/2£396

Sat 1/310:45DUB - IAD

1 stop14h 20mLufthansa

Sun 9/323:05IAD - DUB

Nonstop7h 00mLufthansa

Deal found 22/2£445

Sat 1/305:55DUB - DCA

2 stops17h 05mDelta

Sun 9/316:25DCA - DUB

1 stop12h 20mDelta

Deal found 22/2£447

Sat 1/309:00DUB - BWI

2 stops29h 55mUnited Airlines

Sat 8/317:39BWI - DUB

2 stops32h 21mUnited Airlines

Deal found 22/2£496

Sat 1/317:50DUB - BWI

1 stop29h 55mBritish Airways

Sat 8/320:30BWI - DUB

1 stop30h 25mBritish Airways

Deal found 22/2£513

Sun 2/305:55DUB - BWI

2 stops15h 55mDelta

Sun 9/318:55BWI - DUB

1 stop10h 50mDelta

Deal found 22/2£403

Mon 3/309:00DUB - DCA

1 stop15h 57mUnited Airlines

Fri 28/1116:00DCA - DUB

1 stop10h 00mUnited Airlines

Deal found 21/2£437

Mon 3/308:40DUB - IAD

1 stop11h 55mBritish Airways

Thu 7/819:25IAD - DUB

1 stop11h 30mBritish Airways

Deal found 21/2£438

Mon 3/312:00DUB - BWI

1 stop13h 09mKLM

Thu 7/814:10BWI - DUB

1 stop13h 35mKLM

Deal found 21/2£506

One-way flights from Ireland to Washington, D.C.
Search for one-way flight options from Ireland to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 23 February 2025.

Wed 7/511:35DUB - BWI

1 stop11h 05mPLAY

Deal found 23/2£241

Mon 7/412:15DUB - IAD

1 stop12h 05mIcelandair

Deal found 21/2£322

Tue 20/514:15DUB - BWI

1 stop10h 10mIcelandair

Deal found 23/2£361

Mon 7/416:00DUB - IAD

Nonstop7h 55mAer Lingus

Deal found 21/2£378

Mon 7/411:30DUB - IAD

2 stops41h 20mWestJet

Deal found 21/2£404

Fri 28/313:35DUB - IAD

1 stop11h 10mMultiple Airlines

Deal found 22/2£444

Mon 7/410:30DUB - DCA

2 stops16h 59mMultiple Airlines

Deal found 22/2£455

Mon 7/411:45DUB - DCA

1 stop13h 53mAmerican Airlines

Deal found 22/2£461

Sat 19/406:40DUB - IAD

2 stops18h 35mBritish Airways

Deal found 21/2£553

Sat 21/611:00DUB - BWI

2 stops16h 57mDelta

Deal found 22/2£608

Tue 18/308:50DUB - DCA

2 stops17h 38mDelta

Deal found 23/2£612

Mon 17/305:55DUB - IAD

2 stops17h 24mDelta

Deal found 20/2£612

Find flights from Ireland to Washington, D.C. within your budget

Fly from

Fly to

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Mon 14/4

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Sun 20/4

18:50-09:35

1 stop9h 45m

£252

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 3/4

12:20-19:59

2 stops36h 39m

Washington, D.C. Dulles Intl

Mon 7/4

22:05-18:15

1 stop15h 10m

£320

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 3/4

12:15-19:20

1 stop12h 05m

Washington, D.C. Dulles Intl

Mon 7/4

20:30-11:05

1 stop9h 35m

£322

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 2/4

12:15-19:25

1 stop12h 10m

Baltimore/Washington

Mon 7/4

20:30-11:05

1 stop9h 35m

£347

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 1/5

12:45-19:35

1 stop11h 50m

Baltimore/Washington

Mon 5/5

21:20-14:40

1 stop12h 20m

£373

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 1/5

05:55-16:50

2 stops15h 55m

Baltimore/Washington

Mon 5/5

14:35-10:45

1 stop15h 10m

£392

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 29/3

05:55-16:45

1 stop14h 50m

Washington, D.C. Dulles Intl

Sat 5/4

12:11-08:15

2 stops15h 04m

£392

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/4

13:15-22:28

1 stop14h 13m

Washington, D.C. Reagan-National

Mon 7/4

15:59-08:45

1 stop11h 46m

£395

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 29/3

05:55-16:45

1 stop14h 50m

Washington, D.C. Dulles Intl

Sat 5/4

12:11-09:15

1 stop16h 04m

£395

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 15/3

12:30-16:40

Nonstop8h 10m

Washington, D.C. Dulles Intl

Sun 1/6

20:25-08:15

Nonstop6h 50m

£405

Flights are sorted by cheapest return flights first.

Deals found on 23/2

Showing 1-10 of 47 results

...

Best time to book a flight from Ireland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Ireland with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ireland to Washington, D.C.

Get recent, data-driven insights about flights from Ireland to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to Washington, D.C.?

Currently, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £599). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to WAS?

It’s optimal to fly from Ireland to Washington, D.C. at midday. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Ireland to Washington, D.C.

The most flights from IE0 to WAS are scheduled on a Monday (6 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Ireland to Washington, D.C., such as Delta, KLM and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,203 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,332 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.5

Good

771 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,568 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,447 reviews

Delta

8.0

Very Good

8,203 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Ireland to Washington, D.C. one-way?
£241 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on Icelandair and Aer Lingus, with prices starting from £322 and £378, respectively.
What are the most popular routes from Ireland to Washington, D.C.?
While some choose either Dublin - Washington, D.C. Dulles Intl or Dublin - Baltimore/Washington, Dublin - Washington, D.C. Reagan-National is the most popular route from Ireland to Washington, D.C..
What are the most reliable airlines from Ireland to Washington, D.C.?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to Washington, D.C. on time: SWISS (100%), Air Canada (90%), United Airlines (90%).
What are the cheapest flights from Ireland to Washington, D.C.?
On average you can expect to pay £476 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is £366 while the most popular route, (Dublin - Washington, D.C. Reagan-National) is currently priced at £418.
Can I find deals for flights from Ireland to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Ireland to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Washington, D.C..
Can I find deals for business class flights from Ireland to Washington, D.C.?
Yes. Cheapflights offers flight deals from Ireland to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ireland to Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £599). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Woodbridge

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Laurel

Tysons

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Alternative routes for Ireland to Washington, D.C.

Heathrow to Dulles Intl flights

Heathrow to Reagan-National flights

Gatwick to Dulles Intl flights

London City to Dulles Intl flights

Gatwick to Reagan-National flights

Stansted to Dulles Intl flights

Manchester to Dulles Intl flights

Luton to Dulles Intl flights

Edinburgh to Dulles Intl flights

Manchester to Reagan-National flights

London City to Reagan-National flights

Glasgow Intl to Dulles Intl flights

Edinburgh to Reagan-National flights

Glasgow Intl to Reagan-National flights

Birmingham to Dulles Intl flights

Bristol to Dulles Intl flights

Birmingham to Reagan-National flights

Newcastle upon Tyne to Dulles Intl flights

Istanbul to Dulles Intl flights

Madrid to Dulles Intl flights

Newcastle upon Tyne to Reagan-National flights

Leeds to Dulles Intl flights

Bristol to Reagan-National flights

Belfast Intl to Dulles Intl flights

Leeds to Reagan-National flights

Frankfurt to Dulles Intl flights

Cardiff to Dulles Intl flights

Cardiff to Reagan-National flights

Dublin to Dulles Intl flights

Belfast City to Dulles Intl flights

Amsterdam to Dulles Intl flights

Southampton to Dulles Intl flights

Aberdeen to Dulles Intl flights

Belfast City to Reagan-National flights

Grimsby to Reagan-National flights

Aberdeen to Reagan-National flights

Southend to Dulles Intl flights

Norwich to Dulles Intl flights

Complete your trip

Washington, D.C. car hire

Washington, D.C. Dulles Intl Airport car hire

Baltimore/Washington Airport car hire

Washington, D.C. Reagan-National Airport car hire

Dupont Circle car hire

Capitol Hill car hire

Georgetown car hire

Downtown car hire

Foggy Bottom - West End car hire

Southwest Waterfront car hire

Columbia Heights car hire

Adams Morgan car hire

Direct flights to United States

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Washington, D.C. Reagan-National Airport to Boston flights

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Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights

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Baltimore to London Heathrow Airport flights

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Washington, D.C. Dulles Intl Airport to Cairo flights

Top 6 airlines flying from Ireland to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest£212	Average£329	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Icelandair	Cheapest£313	Average£393	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Aer Lingus	Cheapest£317	Average£427	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
British Airways	Cheapest£327	Average£518	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£341	Average£610	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£451	Average£569	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Washington, D.C.?

Cheapflights helps you search for flights from Ireland to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Washington, D.C.?

Cheapflights simply makes it quick and affordable to book flights from Ireland to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ireland to Washington, D.C. with no change fees?

Certainly. Search results for flights to Washington, D.C. from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Of course! You can now track prices for flights from Ireland to Washington, D.C. and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Ireland to Washington, D.C. from £241

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Washington, D.C.

Keep the following information in mind while searching for Ireland to Washington, D.C. flight deals. Data was last updated 23 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ireland to Washington, D.C.

Cheapest flights from Ireland to Washington, D.C.Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.

Find flights from Ireland to Washington, D.C. within your budget

Best time to book a flight from Ireland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Ireland with our price prediction graph.

Travel insights for flights from Ireland to Washington, D.C.

Get recent, data-driven insights about flights from Ireland to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to Washington, D.C.?

What is the cheapest time of day to fly from IE to WAS?

Find hourly flight availability from Ireland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 February 2025.

Weekly flight availability from Ireland to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Ireland to Washington, D.C., such as Delta, KLM and Austrian Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Ireland to Washington, D.C. one-way?

What are the most popular routes from Ireland to Washington, D.C.?

What are the most reliable airlines from Ireland to Washington, D.C.?

What are the cheapest flights from Ireland to Washington, D.C.?

Can I find deals for flights from Ireland to Washington, D.C. that include hotel bookings?

How can I find direct flights from Ireland to Washington, D.C.?

Can I find deals for business class flights from Ireland to Washington, D.C.?

What is the cheapest month to book a flight from Ireland to Washington, D.C.?

Travelling to a place near Ireland?

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Alternative routes for Ireland to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ireland to Washington, D.C.

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Cheapest flights from Ireland to Washington, D.C.
Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 February 2025.