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Cheap flights from Ireland to Washington, D.C. Dulles Intl Airport from £336

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
27 Dec — 3 Jan1
1 adult

Cheap flight deals from Ireland to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 December 2024.

Round-trip from

£336
Icelandair
  • Icelandair
  • 16/1-23/1
  • 2 total stops
  • 21h 30m total
  • Ireland to Washington, D.C.

Find flight deals from Ireland to Dulles Intl

Cheapest flights from Ireland to Dulles Intl
Explore the most affordable flight options available from Ireland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 December 2024.

Thu 26/1208:55DUB - IAD
1 stop15h 30mDelta
Mon 30/1217:35IAD - DUB
1 stop18h 05mDelta
Deal found 21/12£535
Sun 22/1211:50DUB - IAD
Nonstop8h 20mMultiple Airlines
Sun 26/117:20IAD - DUB
1 stop12h 40mMultiple Airlines
Deal found 22/12£579
Thu 26/1210:45DUB - IAD
1 stop14h 20mLufthansa
Mon 30/1222:05IAD - DUB
Nonstop7h 00mLufthansa
Deal found 21/12£590
Sat 21/1211:50DUB - IAD
Nonstop8h 20mUnited Airlines
Sun 5/122:05IAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 21/12£597
Sat 21/1217:20DUB - IAD
1 stop27h 25mKLM
Sun 5/112:05IAD - DUB
1 stop15h 40mKLM
Deal found 21/12£620
Sun 22/1209:20DUB - IAD
1 stop35h 10mSWISS
Sun 26/118:25IAD - DUB
2 stops18h 25mSWISS
Deal found 22/12£624
Mon 23/1209:20DUB - IAD
2 stops15h 25mBritish Airways
Wed 25/1221:55IAD - DUB
1 stop10h 40mBritish Airways
Deal found 21/12£784
Thu 26/1217:25DUB - IAD
2 stops26h 10mAustrian Airlines
Tue 7/118:00IAD - DUB
2 stops23h 40mAustrian Airlines
Deal found 21/12£857
Sat 21/1208:55DUB - IAD
2 stops36h 10mAir France
Fri 27/1217:35IAD - DUB
2 stops24h 00mAir France
Deal found 21/12£907
Fri 27/1204:25DUB - IAD
2 stops20h 54mTAP AIR PORTUGAL
Sat 4/117:37IAD - DUB
2 stops24h 43mTAP AIR PORTUGAL
Deal found 21/12£2,559

Find flights from Ireland to Dulles Intl within your budget

Customise your flight search to find flights from Ireland to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 16/1

11:30-18:25

1 stop11h 55m

Washington, D.C. Dulles Intl

Thu 23/1

19:40-10:15

1 stop9h 35m

£336

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 6/6

12:20-19:59

2 stops36h 39m

Washington, D.C. Dulles Intl

Sun 15/6

22:05-18:15

1 stop15h 10m

£344

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 19/1

08:50-15:45

1 stop11h 55m

Washington, D.C. Dulles Intl

Sun 26/1

12:05-08:45

1 stop15h 40m

£356

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 16/1

13:10-19:45

1 stop11h 35m

Washington, D.C. Dulles Intl

Thu 23/1

21:55-17:25

1 stop14h 30m

£369

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 18/1

05:55-15:45

1 stop14h 50m

Washington, D.C. Dulles Intl

Sat 25/1

18:30-15:40

1 stop16h 10m

£374

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 17/1

08:50-15:45

1 stop11h 55m

Washington, D.C. Dulles Intl

Fri 24/1

12:05-08:05

2 stops15h 00m

£375

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 14/2

12:30-15:40

Nonstop8h 10m

Washington, D.C. Dulles Intl

Mon 17/2

17:10-04:55

Nonstop6h 45m

£375

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 19/1

06:00-15:45

2 stops14h 45m

Washington, D.C. Dulles Intl

Sun 26/1

21:20-15:40

2 stops13h 20m

£385

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 18/2

05:00-15:50

1 stop15h 50m

Washington, D.C. Dulles Intl

Sun 23/2

22:05-10:05

Nonstop7h 00m

£434

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 18/1

04:15-21:00

1 stop21h 45m

Washington, D.C. Dulles Intl

Sun 26/1

22:30-16:10

1 stop12h 40m

£476

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 21 results
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Best time to book a flight from Ireland to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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 Dulles Intl

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

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

Currently, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Ireland to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £938). 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 IAD?

Find hourly flight availability from Ireland to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 December 2024.

When flying from Ireland to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 22 December 2024.
Read through reviews of airlines operating flights from Ireland to Washington, D.C., such as United Airlines and TAP AIR PORTUGAL. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,594 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

8.0
Very Good
8,594 reviews
8.0
Very Good
8,594 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

7.8
Good
1,342 reviews
8.0
Very Good
8,594 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

7.6
Good
1,605 reviews
8.0
Very Good
8,594 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

7.4
Good
1,501 reviews
8.0
Very Good
8,594 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

7.4
Good
9,028 reviews
8.0
Very Good
8,594 reviews

Crew

8.6

Overall

8.0

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Ireland to Dulles Intl. 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. Dulles Intl Airport one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as £452. However, be on the lookout for offers from TAP AIR PORTUGAL and United Airlines, as they are both options that can get you from Ireland to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the most reliable airlines from Ireland to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Ireland, check out the most reliable airlines to get you to your destination on time: SWISS (100%), Air Canada (82%), United Airlines( 82%).

  • What are the cheapest flights from Ireland to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay £656 for a flight from Ireland to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is £386 while the most popular route, (Dublin - Washington, D.C. Dulles Intl) is currently priced at £683.

  • Can I find deals for flights from Ireland to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Ireland to Dulles Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Dulles Intl?

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

  • Can I find deals for business class flights from Ireland to Dulles Intl?

    Yes. Cheapflights offers flight deals from Ireland to Dulles Intl 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. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Ireland to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of £938). 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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Alternative routes for Ireland to Dulles Intl

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

Top 6 airlines flying from Ireland to Dulles Intl

Discover the top 6 airlines that operate flights from Ireland to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 December 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£213Average£386FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Aer LingusCheapest£292Average£411FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£314Average£345FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£328Average£447FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£440Average£538FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£493Average£624FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Dulles Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Dulles Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Dulles Intl.

Can Cheapflights find flights from Ireland to Dulles Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ireland to Dulles Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ireland to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Ireland today and book when prices fit your budget.

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