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Cheap flights from Dublin to Washington, D.C. Dulles Intl Airport from £314

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
22 Jan — 29 Jan1
1 adult

The best prices from Dublin to Washington, D.C. Dulles Intl are usually found in February or January, booked 67 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap flight deals from Dublin to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) 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 17 January 2025.

Round-trip from

£314

Popular in

July

Cheapest in

February

Average price

£397
United Airlines
  • United Airlines
  • 14/4-20/4
  • 2 total stops
  • 42h 06m total
  • Dublin to Washington, D.C.
High demand for flights, 20% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Dublin to Dulles Intl

Cheapest flights from Dublin to Dulles Intl
Explore the most affordable flight options available from Dublin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Mon 14/409:50DUB - IAD
1 stop28h 51mUnited Airlines
Sun 20/415:30IAD - DUB
1 stop13h 15mUnited Airlines
Deal found 17/1£314
Fri 28/211:50DUB - IAD
Nonstop8h 20mLufthansa
Sat 8/322:05IAD - DUB
Nonstop7h 00mLufthansa
Deal found 16/1£322
Wed 19/206:00DUB - IAD
2 stops14h 45mAir France
Mon 24/218:30IAD - DUB
1 stop16h 10mAir France
Deal found 17/1£325
Mon 10/205:55DUB - IAD
1 stop14h 50mDelta
Mon 24/212:56IAD - DUB
2 stops14h 09mDelta
Deal found 17/1£326
Sun 2/208:50DUB - IAD
1 stop11h 55mKLM
Sat 8/212:05IAD - DUB
1 stop15h 40mKLM
Deal found 16/1£328
Thu 13/305:15DUB - IAD
2 stops38h 20mAustrian Airlines
Sat 29/317:45IAD - DUB
2 stops32h 20mAustrian Airlines
Deal found 16/1£348
Fri 2/512:40DUB - IAD
1 stop12h 19mScandinavian Airlines
Fri 9/522:05IAD - DUB
2 stops32h 25mScandinavian Airlines
Deal found 16/1£349
Fri 24/113:25DUB - IAD
1 stop31h 20mMultiple Airlines
Mon 27/118:30IAD - DUB
1 stop16h 10mMultiple Airlines
Deal found 15/1£356
Tue 3/614:15DUB - IAD
1 stop10h 05mIcelandair
Tue 10/620:30IAD - DUB
1 stop9h 35mIcelandair
Deal found 16/1£364
Thu 13/218:40DUB - IAD
2 stops24h 55mSWISS
Thu 27/220:45IAD - DUB
2 stops38h 25mSWISS
Deal found 16/1£367
Fri 14/308:40DUB - IAD
1 stop11h 55mBritish Airways
Wed 19/319:00IAD - DUB
1 stop10h 40mBritish Airways
Deal found 17/1£428
Thu 30/108:55DUB - IAD
1 stop11h 40mAer Lingus
Thu 6/217:10IAD - DUB
Nonstop6h 45mAer Lingus
Deal found 16/1£439

Find flights from Dublin to Dulles Intl within your budget

Customise your flight search to find flights from Dublin 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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 14/4

09:50-09:41

1 stop28h 51m

Washington, D.C. Dulles Intl

Sun 20/4

15:30-09:45

1 stop13h 15m

£314

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 28/2

11:50-15:10

Nonstop8h 20m

Washington, D.C. Dulles Intl

Sat 8/3

22:05-10:05

Nonstop7h 00m

£322

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 19/2

06:00-15:45

2 stops14h 45m

Washington, D.C. Dulles Intl

Mon 24/2

18:30-15:40

1 stop16h 10m

£325

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 10/2

05:55-15:45

1 stop14h 50m

Washington, D.C. Dulles Intl

Mon 24/2

12:56-08:05

2 stops14h 09m

£326

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 2/2

08:50-15:45

1 stop11h 55m

Washington, D.C. Dulles Intl

Sat 8/2

12:05-08:45

1 stop15h 40m

£328

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 13/3

05:15-15:35

2 stops38h 20m

Washington, D.C. Dulles Intl

Sat 29/3

17:45-06:05

2 stops32h 20m

£348

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 2/5

12:40-19:59

1 stop12h 19m

Washington, D.C. Dulles Intl

Fri 9/5

22:05-11:30

2 stops32h 25m

£349

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 30/1

13:25-15:45

1 stop31h 20m

Washington, D.C. Dulles Intl

Thu 6/2

18:30-15:40

1 stop16h 10m

£357

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 3/6

14:15-19:20

1 stop10h 05m

Washington, D.C. Dulles Intl

Tue 10/6

20:30-11:05

1 stop9h 35m

£364

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 13/2

18:40-14:35

2 stops24h 55m

Washington, D.C. Dulles Intl

Thu 27/2

20:45-16:10

2 stops38h 25m

£367

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 20 results
1
2

Best time to book a flight from Dublin to Dulles Intl

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

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

How far ahead should I book a flight from Dublin to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a return flight from Dublin to Dulles Intl. Price data was last updated on 10 January 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Washington, D.C. Dulles Intl Airport, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

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

Find hourly flight availability from Dublin 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 17 January 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 5% on flights from Dublin to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

Weekly flight availability from Dublin to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Dublin to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 January 2025.

The most flights from DUB to IAD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 17 January 2025.
Read through reviews of airlines operating flights from Dublin to Washington, D.C., such as Austrian Airlines, Delta and SWISS. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,513 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

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
8,513 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

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
1,339 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

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
786 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Reviews

1 / 10

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

7.5
Good
1,598 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

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
1,487 reviews
8.0
Very Good
8,513 reviews

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

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 Dublin 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 airport do you fly from for flights from Dublin to Washington, D.C. Dulles Intl?

    For a flight from Dublin to Washington, D.C. Dulles Intl, you will be flying from Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 3 outbound flights to Washington, D.C. Dulles Intl per day. 6 airlines have flights to Washington, D.C. Dulles Intl from Dublin on a regular basis.

  • What are the cheapest airlines flying from Dublin to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on United Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at £314. Additional return tickets that might be worth considering are offered by Lufthansa and Air France, with the lowest prices starting at £322 and £325, respectively. You may be able to fly from Dublin to Washington, D.C. Dulles Intl Airport for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Dublin to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £352. Users have also found prices from £466 and £486 on British Airways and Delta, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Dublin to Washington, D.C. Dulles Intl Airport consider choosing SWISS (100%), Air Canada (86%) or United Airlines (86%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Dublin to Washington, D.C. Dulles Intl Airport is £467. On average you can expect to pay £646. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for £300.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of £599). Flying from Dublin 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

Travelling to a place near Dublin?

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Silver Spring
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Alternative routes for Dublin to Dulles Intl

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

Top 6 airlines flying from Dublin to Dulles Intl

Discover the top 6 airlines that operate flights from Dublin 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£219Average£397FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Aer LingusCheapest£300Average£423FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£324Average£355FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£338Average£460FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£466Average£576FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£497Average£642FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Dulles Intl flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Dublin to Dulles Intl 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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