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Cheap flights from Dublin to Washington, D.C. from €280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Washington, D.C. departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

PLAY Logo
11:35 - 17:40DUB-BWI
11h 05m1 stop
PLAY Logo
18:50 - 10:10BWI-DUB
10h 20m1 stop
€298PLAY
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Fri, 26 Sep - Sun, 5 Oct
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€317Icelandair
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Tue, 25 Nov - Sun, 30 Nov
Lufthansa Logo
05:55 - 20:00DUB-IAD
19h 05m1 stop
Lufthansa Logo
22:15 - 10:20IAD-DUB
7h 05mdirect
€342Lufthansa
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Wed, 1 Oct - Wed, 15 Oct
Scandinavian Airlines Logo
19:05 - 17:15DUB-IAD
27h 10m1 stop
Scandinavian Airlines Logo
20:30 - 11:45IAD-DUB
34h 15m1 stop
€343Scandinavian Airlines
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Wed, 11 Feb - Wed, 18 Feb
Scandinavian Airlines Logo
10:45 - 18:50DUB-IAD
37h 05m2 stops
Scandinavian Airlines Logo
20:30 - 11:45IAD-DUB
34h 15m2 stops
€353Scandinavian Airlines
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Fri, 7 Nov - Sat, 15 Nov
Lufthansa Logo
05:10 - 14:35DUB-IAD
14h 25m1 stop
Lufthansa Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
€354Lufthansa
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Fri, 7 Nov - Sat, 15 Nov
Aer Lingus Logo
16:00 - 18:55DUB-IAD
7h 55mdirect
Aer Lingus Logo
21:00 - 08:50IAD-DUB
6h 50mdirect
€360Aer Lingus
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Sat, 25 Oct - Sun, 2 Nov
Aer Lingus Logo
16:00 - 18:55DUB-IAD
7h 55mdirect
Aer Lingus Logo
20:25 - 08:15IAD-DUB
6h 50mdirect
€373Aer Lingus
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Thu, 16 Oct - Thu, 23 Oct
United Airlines Logo
09:00 - 12:19DUB-DCA
32h 19m2 stops
United Airlines Logo
16:30 - 07:30DCA-DUB
10h 00m1 stop
€378United Airlines
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Wed, 5 Nov - Thu, 13 Nov
United Airlines Logo
12:05 - 15:20DUB-IAD
8h 15mdirect
United Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
€383United Airlines
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Tue, 11 Nov - Sun, 16 Nov

Aer Lingus flights from Dublin to Washington, D.C.

Our best Aer Lingus deals on Dublin to Washington, D.C. flight tickets
Aer Lingus
25 Oct
DUB16:00Dublin
7h 55m
IAD18:55Washington, D.C. Dulles Intl
2 Nov
IAD21:00Washington, D.C. Dulles Intl
6h 50m
DUB08:50Dublin
€360
Find similar
Aer Lingus
16 Oct
DUB16:00Dublin
7h 55m
IAD18:55Washington, D.C. Dulles Intl
23 Oct
IAD20:25Washington, D.C. Dulles Intl
6h 50m
DUB08:15Dublin
€373
Find similar
Aer Lingus
16 Oct
DUB16:00Dublin
7h 55m
IAD18:55Washington, D.C. Dulles Intl
25 Oct
IAD20:25Washington, D.C. Dulles Intl
7h 50m
DUB09:15Dublin
€377
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Delta flights from Dublin to Washington, D.C.

Our best Delta deals on Dublin to Washington, D.C. flight tickets
Delta
19 Sept
DUB05:55Dublin
14h 40m
1 stop
IAD15:35Washington, D.C. Dulles Intl
8 Oct
IAD12:09Washington, D.C. Dulles Intl
15h 06m
2 stops
DUB08:15Dublin
€376
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Delta
11 Nov
DUB08:50Dublin
15h 18m
2 stops
IAD19:08Washington, D.C. Dulles Intl
16 Nov
IAD21:25Washington, D.C. Dulles Intl
13h 20m
1 stop
DUB15:45Dublin
€377
Find similar
Delta
27 Oct
DUB13:25Dublin
22h 47m
2 stops
BWI08:12Baltimore/Washington
3 Nov
BWI19:45Baltimore/Washington
15h 00m
2 stops
DUB15:45Dublin
€377
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Washington, D.C. 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, momondo users made 13,528 searches. Data last updated 14 September 2025.
Use the filters below to find and compare flights from Dublin to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 26/9

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Sun 5/10

18:50-10:10

1 stop10h 20m

€298

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 25/11

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Sun 30/11

19:40-10:15

1 stop9h 35m

€317

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 1/10

05:55-20:00

1 stop19h 05m

Washington, D.C. Dulles Intl

Wed 15/10

22:15-10:20

Nonstop7h 05m

€342

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 11/2

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 18/2

20:30-11:45

1 stop34h 15m

€343

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 7/11

10:45-18:50

2 stops37h 05m

Washington, D.C. Dulles Intl

Sat 15/11

20:30-11:45

2 stops34h 15m

€353

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 7/11

05:10-14:35

1 stop14h 25m

Washington, D.C. Dulles Intl

Sat 15/11

22:20-10:20

Nonstop7h 00m

€354

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 25/10

16:00-18:55

Nonstop7h 55m

Washington, D.C. Dulles Intl

Sun 2/11

21:00-08:50

Nonstop6h 50m

€360

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 16/10

16:00-18:55

Nonstop7h 55m

Washington, D.C. Dulles Intl

Thu 23/10

20:25-08:15

Nonstop6h 50m

€373

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 5/11

09:00-12:19

2 stops32h 19m

Washington, D.C. Reagan-National

Thu 13/11

16:30-07:30

1 stop10h 00m

€378

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 11/11

12:05-15:20

Nonstop8h 15m

Washington, D.C. Dulles Intl

Sun 16/11

22:20-10:20

Nonstop7h 00m

€383

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Dublin to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Dublin and Washington, D.C.?

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

The cheapest month to fly to Washington, D.C. from Dublin is in January. Flight prices, which tend to average around €411, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. from Dublin during March instead. Flights to Washington, D.C. in March, while not as cheap as those in January, still average around €432.

What is the cheapest day to depart on your flight to Washington, D.C.?

The cheapest day to depart from Dublin to Washington, D.C. is on a Thursday. Travellers who choose to depart for Washington, D.C. on a Thursday will often find tickets for as low as €637. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. on Sunday is €786.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

Flying to Washington, D.C. from Dublin at midday is the least expensive time of day to depart. momondo users have found prices as low as €418 when looking at flights departing at midday. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €689 on average. Flights to Washington, D.C. from Dublin in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Dublin to Washington, D.C. flight route?

Fly from Dublin to Washington, D.C. Dulles Intl for the best Dublin - Washington, D.C. flight prices

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

You are more likely to see cheaper flights to Washington, D.C. from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around €515 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Dublin for as low as €404 on momondo.

What cabin class options are available on Dublin to Washington, D.C. flights?

There are 2 cabin classes available to choose from on Dublin to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to Washington, D.C. flights?

You could potentially save up to 15% on your flight if you consider stops on a Dublin to Washington, D.C. flight.

How have Dublin to Washington, D.C. flight prices changed over time?

As of September 2025, prices for Dublin to Washington, D.C. flights are approximately 19% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Washington, D.C. (DUB to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Washington, D.C.

Best price found

€406

Fastest flight time

7h 55m

Direct flights

Every day

Airports in Washington, D.C.

1 airport
The best one-way flight to Washington, D.C. from Dublin in the past 72 hours is €406. The best return flight deal from Dublin to Washington, D.C. found on momondo in the last 72 hours is €583.
The fastest flight from Dublin to Washington, D.C. takes 7h 55m
Direct flights go from Dublin to Washington, D.C. every day.
There is 1 airport near Washington, D.C.: Washington, D.C. Dulles Intl (IAD)
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  • How far is Dublin to Washington, D.C. by plane?

    There are 5438.3 km between Dublin and Washington, D.C.. By plane, this route typically takes 7h 55m.

  • When did momondo last update prices for flights from Dublin Airport to Washington, D.C.?

    Prices for flights from Dublin Airport to Washington, D.C. are updated daily.

  • How many operators does momondo search for flights from Dublin Airport to Washington, D.C.?

  • How old do you have to be to fly from Dublin Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to Washington, D.C.?

  • What is the most popular airline from Dublin to Washington, D.C.?

Best airlines flying from Dublin to Washington, D.C.

Compare and see reviews for airlines that fly from Dublin to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom €231Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom €294Free CancellationRating
7.0
546 reviews
Search Icelandair flights
Aer LingusPriceFrom €327Free CancellationRating
7.2
1,271 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €403Free CancellationRating
7.4
8,934 reviews
Search United Airlines flights
British AirwaysPriceFrom €413Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

  • United Airlines Flights From Dublin to Washington, D.C.

    United Airlines flies from Dublin to Washington, D.C. around 14 times per week, with 8,934 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Dublin to Washington, D.C. in the last 72 hours was €473 (round-trip), much lower than the average airfare cost of €783 for United Airlines flights on this route.

  • Aer Lingus Flights From Dublin to Washington, D.C.

    €384 is the best Aer Lingus flight deal from Dublin to Washington, D.C. found on momondo over the last 72 hours. The average Aer Lingus ticket price found was closer to €573, however, with flight time and availability significantly affecting the price. Aer Lingus (7.2/10 from 1,271 user reviews) flies into Washington, D.C. from Dublin 9 times in an average week so prices can vary.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Washington, D.C. for you.

Can I find flights from Dublin to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Dublin which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Dublin to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to Washington, D.C..

I’m not ready to book a flight from Dublin to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Dublin to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport