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Cheap flights from Washington, D.C. to Dublin from $263

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 11/15. 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 round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
7:40 pm - 10:15 amBWI-DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:40 pmDUB-BWI
12h 10m1 stop
$369Icelandair
Find Deal
Sun, Dec 7 - Sun, Dec 14
Icelandair Logo
7:40 pm - 10:15 amBWI-DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:40 pmDUB-BWI
12h 10m1 stop
$370Icelandair
Find Deal
Mon, Dec 1 - Mon, Dec 15
British Airways Logo
8:35 pm - 12:15 pmBWI-DUB
10h 40m1 stop
British Airways Logo
5:55 pm - 6:45 pmDUB-BWI
29h 50m1 stop
$476British Airways
Find Deal
Wed, Feb 11 - Mon, Feb 16
United Airlines Logo
10:05 am - 7:30 amBWI-DUB
16h 25m2 stops
United Airlines Logo
9:00 am - 2:11 pmDUB-BWI
34h 11m2 stops
$479United Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 21
United Airlines Logo
10:20 pm - 10:20 amIAD-DUB
7h 00mnonstop
United Airlines Logo
9:00 am - 9:22 pmDUB-IAD
17h 22m2 stops
$483United Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 12
American Airlines Logo
8:35 pm - 3:40 pmBWI-DUB
14h 05m1 stop
American Airlines Logo
7:35 am - 6:45 pmDUB-BWI
16h 10m1 stop
$487American Airlines
Find Deal
Sun, Jan 11 - Fri, Jan 23
British Airways Logo
8:35 pm - 12:10 pmBWI-DUB
10h 35m1 stop
British Airways Logo
8:50 am - 6:45 pmDUB-BWI
14h 55m1 stop
$489British Airways
Find Deal
Tue, Jan 13 - Tue, Jan 20
Aer Lingus Logo
5:05 pm - 4:55 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
12:15 pm - 3:35 pmDUB-IAD
8h 20mnonstop
$491Aer Lingus
Find Deal
Wed, Nov 19 - Thu, Nov 27
American Airlines Logo
5:46 pm - 12:35 pmBWI-DUB
13h 49m2 stops
American Airlines Logo
7:35 am - 6:45 pmDUB-BWI
16h 10m1 stop
$491American Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 11
Aer Lingus Logo
6:50 pm - 6:40 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
4:20 pm - 7:30 pmDUB-IAD
8h 10mnonstop
$509Aer Lingus
Find Deal
Wed, Nov 5 - Wed, Nov 12

KLM flights from Washington, D.C. to Dublin

Our best KLM deals on Washington, D.C. to Dublin flight tickets
KLM
Oct 26
DCA5:00 pmWashington, D.C. Reagan-National
11h 45m
1 stop
DUB8:45 amDublin
Nov 4
DUB1:25 pmDublin
14h 37m
2 stops
DCA11:02 pmWashington, D.C. Reagan-National
$493
Find similar
KLM
Nov 26
IAD6:05 pmWashington, D.C. Dulles Intl
17h 15m
1 stop
DUB4:20 pmDublin
Dec 2
DUB5:15 pmDublin
27h 50m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$496
Find similar
KLM
Dec 3
DCA5:02 pmWashington, D.C. Reagan-National
10h 43m
1 stop
DUB8:45 amDublin
Jan 9
DUB1:25 pmDublin
15h 08m
2 stops
DCA11:33 pmWashington, D.C. Reagan-National
$501
Find similar

Icelandair flights from Washington, D.C. to Dublin

Our best Icelandair deals on Washington, D.C. to Dublin flight tickets
Icelandair
Dec 7
BWI7:40 pmBaltimore/Washington
9h 35m
1 stop
DUB10:15 amDublin
Dec 14
DUB11:30 amDublin
12h 10m
1 stop
BWI6:40 pmBaltimore/Washington
$369
Find similar
Icelandair
Dec 1
BWI7:40 pmBaltimore/Washington
9h 35m
1 stop
DUB10:15 amDublin
Dec 15
DUB11:30 amDublin
12h 10m
1 stop
BWI6:40 pmBaltimore/Washington
$370
Find similar
Icelandair
Dec 8
BWI7:40 pmBaltimore/Washington
9h 35m
1 stop
DUB10:15 amDublin
Dec 15
DUB11:30 amDublin
12h 10m
1 stop
BWI6:40 pmBaltimore/Washington
$375
Find similar

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 October 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

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 12/7

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Sun 12/14

11:30 am-6:40 pm

1 stop12h 10m

$369

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mon 12/1

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Mon 12/15

11:30 am-6:40 pm

1 stop12h 10m

$370

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Wed 2/11

8:35 pm-12:15 pm

1 stop10h 40m

Dublin

Mon 2/16

5:55 pm-6:45 pm

1 stop29h 50m

$476

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mon 1/12

10:05 am-7:30 am

2 stops16h 25m

Dublin

Wed 1/21

9:00 am-2:11 pm

2 stops34h 11m

$479

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 12/1

10:20 pm-10:20 am

Nonstop7h 00m

Dublin

Fri 12/12

9:00 am-9:22 pm

2 stops17h 22m

$483

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Sun 1/11

8:35 pm-3:40 pm

1 stop14h 05m

Dublin

Fri 1/23

7:35 am-6:45 pm

1 stop16h 10m

$487

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Tue 1/13

8:35 pm-12:10 pm

1 stop10h 35m

Dublin

Tue 1/20

8:50 am-6:45 pm

1 stop14h 55m

$489

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 11/19

5:05 pm-4:55 am

Nonstop6h 50m

Dublin

Thu 11/27

12:15 pm-3:35 pm

Nonstop8h 20m

$491

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mon 12/1

5:46 pm-12:35 pm

2 stops13h 49m

Dublin

Thu 12/11

7:35 am-6:45 pm

1 stop16h 10m

$491

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 11/5

6:50 pm-6:40 am

Nonstop6h 50m

Dublin

Wed 11/12

4:20 pm-7:30 pm

Nonstop8h 10m

$509

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 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 $537. 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 $552.

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 $737. Flights from Washington, D.C. to Dublin on a Friday will generally be more expensive and average around $896. 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 $791. 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 $707 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 $595 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 19% 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 October 2025, prices for Washington, D.C. to Dublin flights are approximately 2% 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 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

$451

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 $451. The best round-trip flight deal from Washington, D.C. to Dublin found on momondo in the last 72 hours is $635.
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?

    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
DeltaPriceFrom $144Free CancellationRating
7.9
7,982 reviews
Search Delta flights
PLAYPriceFrom $291Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom $371Free CancellationRating
7.1
561 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $427Free CancellationRating
7.1
2,030 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $450Free CancellationRating
7.2
1,352 reviews
Search Aer Lingus flights
Scandinavian AirlinesPriceFrom $456Free CancellationRating
7.4
1,537 reviews
Search Scandinavian Airlines flights
American AirlinesPriceFrom $469Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
British AirwaysPriceFrom $484Free CancellationRating
6.7
7,468 reviews
Search British Airways flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
JetBluePriceFrom $496Free CancellationRating
7.2
2,908 reviews
Search JetBlue 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 $762 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 $450, round-trip. It should be noted that an average Aer Lingus flight deal for this route in this time was higher, at $712 round-trip. Aer Lingus operates 5 flights out of Washington, D.C. into Dublin in an average week, so prices vary by time and availability. 1,353 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
Athlone
Swords
Dundalk
Malahide
Maynooth
Bray
Mullingar
Castleknock
Naas
Arklow
Cavan
Drogheda
Enniscorthy
Wicklow
Leixlip
Kildare
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.

An easier way to manage your Dublin trip

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