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Cheap flights from Washington, D.C. to Dublin from €203

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Dublin departing on 6/10. 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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Find the cheapest flights from Washington, D.C. to Dublin (WAS-DUB)

Cheap return flights

PLAY Logo
18:50 - 10:10BWI-DUB
10h 20m1 stop
PLAY Logo
11:35 - 17:40DUB-BWI
11h 05m1 stop
€253PLAY
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Sun, 21 Sep - Thu, 25 Sep
PLAY Logo
18:50 - 10:10BWI-DUB
10h 20m1 stop
PLAY Logo
11:35 - 17:40DUB-BWI
11h 05m1 stop
€259PLAY
Find Deal
Sun, 21 Sep - Thu, 25 Sep
Icelandair Logo
19:40 - 10:15BWI-DUB
9h 35m1 stop
Icelandair Logo
11:30 - 18:40DUB-BWI
12h 10m1 stop
€302Icelandair
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Thu, 22 Jan - Tue, 27 Jan
Icelandair Logo
19:40 - 10:15BWI-DUB
9h 35m1 stop
Icelandair Logo
11:30 - 18:40DUB-BWI
12h 10m1 stop
€303Icelandair
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Fri, 5 Dec - Tue, 9 Dec
United Airlines Logo
10:20 - 08:10BWI-DUB
16h 50m1 stop
United Airlines Logo
09:00 - 21:19DUB-BWI
41h 19m2 stops
€361United Airlines
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Wed, 3 Dec - Wed, 10 Dec
United Airlines Logo
10:45 - 09:55BWI-DUB
18h 10m2 stops
United Airlines Logo
09:00 - 20:57DUB-BWI
40h 57m2 stops
€366United Airlines
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Wed, 25 Feb - Wed, 4 Mar
British Airways Logo
20:35 - 15:05BWI-DUB
13h 30m1 stop
British Airways Logo
10:20 - 18:45DUB-BWI
13h 25m1 stop
€376British Airways
Find Deal
Sun, 2 Nov - Wed, 12 Nov
British Airways Logo
20:35 - 16:50BWI-DUB
15h 15m1 stop
British Airways Logo
17:55 - 18:45DUB-BWI
29h 50m1 stop
€377British Airways
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Sun, 2 Nov - Mon, 10 Nov
Aer Lingus Logo
21:00 - 08:50IAD-DUB
6h 50mdirect
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
€396Aer Lingus
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Wed, 31 Dec - Tue, 20 Jan
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
€399Aer Lingus
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Tue, 13 Jan - Fri, 23 Jan

United Airlines flights from Washington, D.C. to Dublin

Our best United Airlines deals on Washington, D.C. to Dublin flight tickets
United Airlines
3 Dec
BWI10:20Baltimore/Washington
16h 50m
1 stop
DUB08:10Dublin
10 Dec
DUB09:00Dublin
41h 19m
2 stops
BWI21:19Baltimore/Washington
€361
Find similar
United Airlines
25 Feb
BWI10:45Baltimore/Washington
18h 10m
2 stops
DUB09:55Dublin
4 Mar
DUB09:00Dublin
40h 57m
2 stops
BWI20:57Baltimore/Washington
€366
Find similar
United Airlines
28 Dec
IAD22:20Washington, D.C. Dulles Intl
7h 00m
DUB10:20Dublin
21 Jan
DUB09:00Dublin
17h 25m
1 stop
IAD21:25Washington, D.C. Dulles Intl
€403
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SWISS flights from Washington, D.C. to Dublin

Our best SWISS deals on Washington, D.C. to Dublin flight tickets
SWISS
4 Jan
IAD22:20Washington, D.C. Dulles Intl
7h 00m
DUB10:20Dublin
2 Feb
DUB13:20Dublin
32h 20m
1 stop
IAD16:40Washington, D.C. Dulles Intl
€392
Find similar
SWISS
2 Nov
IAD20:30Washington, D.C. Dulles Intl
16h 15m
1 stop
DUB17:45Dublin
10 Nov
DUB13:20Dublin
32h 20m
1 stop
IAD16:40Washington, D.C. Dulles Intl
€397
Find similar
SWISS
2 Nov
IAD20:30Washington, D.C. Dulles Intl
16h 15m
1 stop
DUB17:45Dublin
8 Nov
DUB18:35Dublin
27h 05m
1 stop
IAD16:40Washington, D.C. Dulles Intl
€418
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momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Dublin 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 9 September 2025.
Use the filters below to find and compare flights from Washington, D.C. to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 21/9

18:50-10:10

1 stop10h 20m

Dublin

Thu 25/9

11:35-17:40

1 stop11h 05m

€253

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 21/9

18:50-10:10

1 stop10h 20m

Dublin

Thu 25/9

11:35-17:40

1 stop11h 05m

€259

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Thu 22/1

19:40-10:15

1 stop9h 35m

Dublin

Tue 27/1

11:30-18:40

1 stop12h 10m

€302

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Fri 5/12

19:40-10:15

1 stop9h 35m

Dublin

Tue 9/12

11:30-18:40

1 stop12h 10m

€303

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 3/12

10:20-08:10

1 stop16h 50m

Dublin

Wed 10/12

09:00-21:19

2 stops41h 19m

€361

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 25/2

10:45-09:55

2 stops18h 10m

Dublin

Wed 4/3

09:00-20:57

2 stops40h 57m

€366

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 2/11

20:35-15:05

1 stop13h 30m

Dublin

Wed 12/11

10:20-18:45

1 stop13h 25m

€376

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 2/11

20:35-16:50

1 stop15h 15m

Dublin

Mon 10/11

17:55-18:45

1 stop29h 50m

€377

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 31/12

21:00-08:50

Nonstop6h 50m

Dublin

Tue 20/1

12:15-15:35

Nonstop8h 20m

€396

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 13/1

17:05-04:55

Nonstop6h 50m

Dublin

Fri 23/1

12:15-15:35

Nonstop8h 20m

€399

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 Dublin from

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

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 cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Washington, D.C. during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €470.

What is the cheapest day to depart on your flight to Dublin?

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €611. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €619. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Washington, D.C. to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €611. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €621 on average. Flights to Dublin from Washington, D.C. in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €481 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Washington, D.C. for as low as €410 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. to Dublin 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 Washington, D.C. to Dublin flights?

You could potentially save up to 25% on your flight if you consider stops on a Washington, D.C. to Dublin flight.

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

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

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

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

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

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

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Dublin

1 airport
The fastest flight from Washington, D.C. to Dublin takes 6h 50m
Direct flights go from Washington, D.C. to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • How far is Washington, D.C. to Dublin by plane?

    There are 5438.3 km between Washington, D.C. and Dublin. By plane, this route typically takes 6h 50m.

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

    Prices for flights from Washington, D.C. to Dublin Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Maynooth
Arklow
Bray
Drogheda
Gorey
Malahide
Carlingford
Portmarnock
Leixlip

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Dublin . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Washington, D.C. to Dublin flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Washington, D.C. to Dublin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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