Cheap flights from Washington, D.C. to Dublin from $241

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 1/30. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:30 pm - 6:20 pm
IAD
-
DUB
16h 50m1 stop
Scandinavian Airlines Logo
11:30 am - 5:15 pm
DUB
-
IAD
34h 45m2 stops
$493Scandinavian Airlines
Wed, Feb 11 - Tue, Feb 17
Scandinavian Airlines Logo
8:30 pm - 10:45 am
IAD
-
DUB
33h 15m2 stops
Scandinavian Airlines Logo
11:30 am - 5:15 pm
DUB
-
IAD
34h 45m2 stops
$494Scandinavian Airlines
Wed, Feb 4 - Wed, Feb 11
Scandinavian Airlines Logo
8:30 pm - 10:45 am
IAD
-
DUB
33h 15m2 stops
Scandinavian Airlines Logo
11:30 am - 5:15 pm
DUB
-
IAD
34h 45m2 stops
$495Scandinavian Airlines
Wed, Feb 11 - Tue, Feb 17
Scandinavian Airlines Logo
9:30 pm - 6:20 pm
IAD
-
DUB
16h 50m1 stop
Scandinavian Airlines Logo
12:40 pm - 4:50 pm
DUB
-
IAD
33h 10m1 stop
$496Scandinavian Airlines
Mon, Mar 23 - Wed, Apr 1
Icelandair Logo
7:40 pm - 10:15 am
BWI
-
DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:40 pm
DUB
-
BWI
12h 10m1 stop
$539Icelandair
Wed, Feb 4 - Wed, Feb 11
Icelandair Logo
7:40 pm - 10:15 am
BWI
-
DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:40 pm
DUB
-
BWI
12h 10m1 stop
$542Icelandair
Wed, Jan 21 - Wed, Feb 4
United Airlines Logo
6:30 am - 8:10 am
DCA
-
DUB
20h 40m1 stop
United Airlines Logo
9:00 am - 3:23 pm
DUB
-
DCA
35h 23m2 stops
$573United Airlines
Tue, Feb 24 - Fri, Mar 6
United Airlines Logo
8:00 pm - 8:10 am
DCA
-
DUB
31h 10m1 stop
United Airlines Logo
9:00 am - 8:55 am
DUB
-
DCA
28h 55m1 stop
$574United Airlines
Tue, Feb 24 - Wed, Mar 4
British Airways Logo
6:34 pm - 2:05 pm
DCA
-
DUB
14h 31m2 stops
British Airways Logo
8:50 am - 6:56 pm
DUB
-
DCA
15h 06m2 stops
$584British Airways
Wed, Jan 21 - Wed, Jan 28
Lufthansa Logo
3:15 pm - 7:30 am
DCA
-
DUB
11h 15m1 stop
Lufthansa Logo
9:30 am - 3:39 pm
DUB
-
DCA
11h 09m1 stop
$590Lufthansa
Sun, Jan 11 - Tue, Jan 20

British Airways flights from Washington, D.C. to Dublin

Our best British Airways deals on Washington, D.C. to Dublin flight tickets
British Airways
Jan 21
BWI8:35 pmBaltimore/Washington
12h 30m
1 stop
DUB2:05 pmDublin
Jan 28
DUB8:50 amDublin
14h 55m
1 stop
BWI6:45 pmBaltimore/Washington
British Airways
Mar 22
BWI9:35 pmBaltimore/Washington
13h 30m
1 stop
DUB3:05 pmDublin
Mar 31
DUB12:45 pmDublin
11h 55m
1 stop
BWI7:40 pmBaltimore/Washington
British Airways
Jan 21
DCA6:34 pmWashington, D.C. Reagan-National
14h 31m
2 stops
DUB2:05 pmDublin
Jan 28
DUB8:50 amDublin
15h 06m
2 stops
DCA6:56 pmWashington, D.C. Reagan-National

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

Our best United Airlines deals on Washington, D.C. to Dublin flight tickets
United Airlines
Jan 12
BWI10:05 amBaltimore/Washington
17h 05m
1 stop
DUB8:10 amDublin
Jan 21
DUB9:00 amDublin
34h 11m
2 stops
BWI2:11 pmBaltimore/Washington
United Airlines
Feb 24
DCA8:00 pmWashington, D.C. Reagan-National
31h 10m
1 stop
DUB8:10 amDublin
Mar 4
DUB9:00 amDublin
28h 55m
1 stop
DCA8:55 amWashington, D.C. Reagan-National
United Airlines
Jan 12
BWI10:05 amBaltimore/Washington
16h 25m
2 stops
DUB7:30 amDublin
Jan 21
DUB9:00 amDublin
34h 11m
2 stops
BWI2:11 pmBaltimore/Washington

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 23, 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

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 2/11

8:30 pm-6:20 pm

1 stop16h 50m

Dublin

Tue 2/17

11:30 am-5:15 pm

2 stops34h 45m

$493

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 2/4

8:30 pm-10:45 am

2 stops33h 15m

Dublin

Wed 2/11

11:30 am-5:15 pm

2 stops34h 45m

$494

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 2/11

8:30 pm-10:45 am

2 stops33h 15m

Dublin

Tue 2/17

11:30 am-5:15 pm

2 stops34h 45m

$495

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/23

9:30 pm-6:20 pm

1 stop16h 50m

Dublin

Wed 4/1

12:40 pm-4:50 pm

1 stop33h 10m

$496

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 2/4

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Wed 2/11

11:30 am-6:40 pm

1 stop12h 10m

$539

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 1/21

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Wed 2/4

11:30 am-6:40 pm

1 stop12h 10m

$542

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 2/24

6:30 am-8:10 am

1 stop20h 40m

Dublin

Fri 3/6

9:00 am-3:23 pm

2 stops35h 23m

$573

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 2/24

8:00 pm-8:10 am

1 stop31h 10m

Dublin

Wed 3/4

9:00 am-8:55 am

1 stop28h 55m

$574

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 1/21

6:34 pm-2:05 pm

2 stops14h 31m

Dublin

Wed 1/28

8:50 am-6:56 pm

2 stops15h 06m

$584

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 1/11

3:15 pm-7:30 am

1 stop11h 15m

Dublin

Tue 1/20

9:30 am-3:39 pm

1 stop11h 09m

$590

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between Washington, D.C. and Dublin?

What is the cheapest month to fly to Dublin?

In general, January is the cheapest month to fly from Washington, D.C. to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $558. If you’re not able to fly to Dublin in January, then February is your next best option. Flight prices from Washington, D.C. to Dublin during February average around $597.

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

The cheapest day to depart from Washington, D.C. to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $740. Flights from Washington, D.C. to Dublin on a Friday will generally be more expensive and average around $895. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the evening is the cheapest time of day to fly from Washington, D.C. to Dublin when you can find flight prices for as low as $786. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $929.

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 $719 when searching weeks out. 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 $608 on momondo.

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

There are 3 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 21% 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 December 2025, prices for Washington, D.C. to Dublin flights are approximately 74% more expensive 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 round-trip 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

Best Price Found

$436

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Dublin

1 airport
The best one-way flight to Dublin from Washington, D.C. in the past 72 hours is $436. The best round-trip flight deal from Washington, D.C. to Dublin found on momondo in the last 72 hours is $694.
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 in Dublin. From Washington, D.C. there are direct flights to Dublin (DUB).
  • How far is Washington, D.C. to Dublin by plane?

    The straight-line distance from Washington, D.C. to Dublin is 3379.2 mi. 6h 50m is a normal flight duration for this route.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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?

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

Compare and see reviews for airlines that fly from Washington, D.C. to Dublin with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $295Free CancellationRating
7.0
103 reviews
Search PLAY flights
Aer LingusPriceFrom $359Free CancellationRating
7.2
1,412 reviews
Search Aer Lingus flights
IcelandairPriceFrom $371Free CancellationRating
7.0
592 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $427Free CancellationRating
7.2
2,096 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom $456Free CancellationRating
7.4
1,621 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $469Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
JetBluePriceFrom $477Free CancellationRating
7.2
2,898 reviews
Search JetBlue flights
British AirwaysPriceFrom $484Free CancellationRating
6.7
7,607 reviews
Search British Airways flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
9,109 reviews
Search United Airlines flights
DeltaPriceFrom $496Free CancellationRating
7.9
8,015 reviews
Search Delta flights
  • United Airlines Flights From Washington, D.C. to Dublin

    United Airlines flight deals from Washington, D.C. to Dublin start from $496 round-trip. Over the 6 United Airlines flights for this route in a normal week, average airfare is usually $741 round-trip - but some users have found much cheaper deals with momondo.

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

    The best Aer Lingus deal for Washington, D.C. to Dublin flight tickets found on momondo in the last 72 hours was $359, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at $710 round-trip. Aer Lingus operates 10 flights out of Washington, D.C. into Dublin in an average week, so prices vary by time and availability. 1,412 Aer Lingus reviews by users on momondo have scored the airline at 7.2/10.

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Athlone
Dundalk
Malahide
Maynooth
Mullingar
Bray
Kildare
Drogheda
Naas
Arklow
Cavan
Castleknock
Wicklow
Leixlip
Thurles
Slane

Why use momondo?

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

Finding the right flight to Dublin from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Dublin flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 1/22
Thu 1/29

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