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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 15/1. 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

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Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€367Icelandair
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Fri, 5 Dec - Mon, 8 Dec
American Airlines Logo
13:10 - 15:35DUB-IAD
31h 25m1 stop
American Airlines Logo
18:20 - 09:50IAD-DUB
10h 30m1 stop
€368American Airlines
Find Deal
Thu, 11 Dec - Thu, 8 Jan
British Airways Logo
08:50 - 18:45DUB-BWI
14h 55m1 stop
British Airways Logo
20:35 - 14:15BWI-DUB
12h 40m1 stop
€369British Airways
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Thu, 20 Nov - Sat, 6 Dec
Multiple Airlines Logo
13:10 - 19:55DUB-IAD
11h 45m1 stop
Multiple Airlines Logo
18:20 - 09:50IAD-DUB
10h 30m1 stop
€369Multiple Airlines
Find Deal
Wed, 26 Nov - Thu, 26 Feb
British Airways Logo
10:55 - 18:45DUB-BWI
12h 50m1 stop
British Airways Logo
20:35 - 14:20BWI-DUB
12h 45m1 stop
€370British Airways
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Tue, 11 Nov - Sun, 16 Nov
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
€376Aer Lingus
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Wed, 26 Nov - Wed, 3 Dec
Aer Lingus Logo
12:15 - 16:35DUB-IAD
8h 20mdirect
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
€381Aer Lingus
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Mon, 27 Oct - Mon, 3 Nov
Multiple Airlines Logo
11:30 - 20:00DUB-DCA
13h 30m1 stop
Multiple Airlines Logo
15:59 - 08:40DCA-DUB
11h 41m1 stop
€390Multiple Airlines
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Wed, 26 Nov - Thu, 26 Feb
United Airlines Logo
09:00 - 21:41DUB-BWI
17h 41m2 stops
United Airlines Logo
10:05 - 08:10BWI-DUB
17h 05m1 stop
€544United Airlines
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Sat, 31 Jan - Tue, 3 Feb
United Airlines Logo
09:00 - 21:41DUB-BWI
17h 41m2 stops
United Airlines Logo
10:05 - 07:30BWI-DUB
16h 25m2 stops
€547United Airlines
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Sat, 31 Jan - Tue, 3 Feb

Icelandair flights from Dublin to Washington, D.C.

Our best Icelandair deals on Dublin to Washington, D.C. flight tickets
Icelandair
5 Dec
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
8 Dec
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
€367
Find similar
Icelandair
5 Dec
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
8 Dec
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
€368
Find similar
Icelandair
26 Nov
DUB11:30Dublin
12h 10m
1 stop
BWI18:40Baltimore/Washington
3 Dec
BWI19:40Baltimore/Washington
9h 35m
1 stop
DUB10:15Dublin
€380
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American Airlines flights from Dublin to Washington, D.C.

Our best American Airlines deals on Dublin to Washington, D.C. flight tickets
American Airlines
11 Dec
DUB13:10Dublin
31h 25m
1 stop
IAD15:35Washington, D.C. Dulles Intl
8 Jan
IAD18:20Washington, D.C. Dulles Intl
10h 30m
1 stop
DUB09:50Dublin
€368
Find similar
American Airlines
20 Nov
DUB08:50Dublin
20h 05m
2 stops
BWI23:55Baltimore/Washington
6 Dec
BWI05:00Baltimore/Washington
26h 45m
2 stops
DUB12:45Dublin
€374
Find similar
American Airlines
13 Dec
DUB12:55Dublin
14h 33m
1 stop
IAD22:28Washington, D.C. Dulles Intl
5 Jan
IAD18:20Washington, D.C. Dulles Intl
20h 20m
1 stop
DUB19:40Dublin
€379
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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 October 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

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 5/12

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 8/12

19:40-10:15

1 stop9h 35m

€367

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 11/12

13:10-15:35

1 stop31h 25m

Washington, D.C. Dulles Intl

Thu 8/1

18:20-09:50

1 stop10h 30m

€368

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 20/11

08:50-18:45

1 stop14h 55m

Baltimore/Washington

Sat 6/12

20:35-14:15

1 stop12h 40m

€369

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 26/11

13:10-19:55

1 stop11h 45m

Washington, D.C. Dulles Intl

Thu 26/2

18:20-09:50

1 stop10h 30m

€369

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 11/11

10:55-18:45

1 stop12h 50m

Baltimore/Washington

Sun 16/11

20:35-14:20

1 stop12h 45m

€370

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 26/11

12:15-15:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

Wed 3/12

17:05-04:55

Nonstop6h 50m

€376

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 27/10

12:15-16:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

Mon 3/11

17:05-04:55

Nonstop6h 50m

€381

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 26/11

11:30-20:00

1 stop13h 30m

Washington, D.C. Reagan-National

Thu 26/2

15:59-08:40

1 stop11h 41m

€390

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sat 31/1

09:00-21:41

2 stops17h 41m

Baltimore/Washington

Tue 3/2

10:05-08:10

1 stop17h 05m

€544

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sat 31/1

09:00-21:41

2 stops17h 41m

Baltimore/Washington

Tue 3/2

10:05-07:30

2 stops16h 25m

€547

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 €423, 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 November instead. Flights to Washington, D.C. in November, while not as cheap as those in January, still average around €435.

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 €635. 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 €806.

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 €424 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 €699 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 €522 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 €409 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 47% 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 October 2025, prices for Dublin to Washington, D.C. flights are approximately 29% 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

€483

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 €483. The best return flight deal from Dublin to Washington, D.C. found on momondo in the last 72 hours is €555.
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 €247Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom €298Free CancellationRating
7.0
556 reviews
Search Icelandair flights
Aer LingusPriceFrom €332Free CancellationRating
7.2
1,336 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €408Free CancellationRating
7.4
8,976 reviews
Search United Airlines flights
British AirwaysPriceFrom €418Free CancellationRating
6.7
7,456 reviews
Search British Airways flights

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

    United Airlines flies from Dublin to Washington, D.C. around 13 times per week, with 8,975 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 €577, however, with flight time and availability significantly affecting the price. Aer Lingus (7.2/10 from 1,336 user reviews) flies into Washington, D.C. from Dublin 14 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