Cheap flights from Washington, D.C. to Dublin from $216

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 7/28. 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

PLAY Logo
6:50 pm - 10:20 amBWI-DUB
10h 30m1 stop
PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
$320PLAY
Find Deal
Sat, Sep 13 - Sun, Sep 21
PLAY Logo
6:50 pm - 10:15 amBWI-DUB
10h 25m1 stop
PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
$323PLAY
Find Deal
Tue, Sep 2 - Sun, Sep 7
PLAY Logo
6:50 pm - 10:10 amBWI-DUB
10h 20m1 stop
PLAY Logo
11:35 am - 5:40 pmDUB-BWI
11h 05m1 stop
$327PLAY
Find Deal
Wed, Sep 10 - Sun, Sep 21
Icelandair Logo
7:40 pm - 10:15 amIAD-DUB
9h 35m1 stop
Icelandair Logo
11:30 am - 6:20 pmDUB-IAD
11h 50m1 stop
$371Icelandair
Find Deal
Mon, Dec 1 - Thu, Dec 11
Aer Lingus Logo
8:25 pm - 8:15 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
12:50 pm - 3:50 pmDUB-IAD
8h 00mnonstop
$448Aer Lingus
Find Deal
Mon, Aug 11 - Wed, Aug 20
Aer Lingus Logo
5:05 pm - 4:55 amIAD-DUB
6h 50mnonstop
Aer Lingus Logo
4:20 pm - 7:30 pmDUB-IAD
8h 10mnonstop
$449Aer Lingus
Find Deal
Tue, Nov 18 - Tue, Nov 25
United Airlines Logo
3:39 pm - 9:45 amIAD-DUB
13h 06m1 stop
United Airlines Logo
12:30 pm - 3:30 pmDUB-IAD
8h 00mnonstop
$462United Airlines
Find Deal
Mon, Aug 11 - Wed, Aug 20
United Airlines Logo
11:20 pm - 10:20 amIAD-DUB
7h 00mnonstop
United Airlines Logo
9:00 am - 8:29 pmDUB-IAD
16h 29m1 stop
$463United Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
American Airlines Logo
11:59 am - 5:30 amDCA-DUB
12h 31m1 stop
American Airlines Logo
11:45 am - 6:47 pmDUB-DCA
12h 02m1 stop
$487American Airlines
Find Deal
Wed, Aug 13 - Thu, Aug 21
American Airlines Logo
4:40 pm - 6:30 amDCA-DUB
8h 50m1 stop
American Airlines Logo
1:45 pm - 8:16 pmDUB-DCA
11h 31m1 stop
$537American Airlines
Find Deal
Mon, Aug 11 - Wed, Aug 20

PLAY flights from Washington, D.C. to Dublin

Our best PLAY deals on Washington, D.C. to Dublin flight tickets
PLAY
Sep 13
BWI6:50 pmBaltimore/Washington
10h 30m
1 stop
DUB10:20 amDublin
Sep 21
DUB11:35 amDublin
11h 05m
1 stop
BWI5:40 pmBaltimore/Washington
PLAY
Sep 2
BWI6:50 pmBaltimore/Washington
10h 25m
1 stop
DUB10:15 amDublin
Sep 7
DUB11:35 amDublin
11h 05m
1 stop
BWI5:40 pmBaltimore/Washington
PLAY
Sep 10
BWI6:50 pmBaltimore/Washington
10h 20m
1 stop
DUB10:10 amDublin
Sep 21
DUB11:35 amDublin
11h 05m
1 stop
BWI5:40 pmBaltimore/Washington

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

Our best Aer Lingus deals on Washington, D.C. to Dublin flight tickets
Aer Lingus
Aug 11
IAD8:25 pmWashington, D.C. Dulles Intl
6h 50m
DUB8:15 amDublin
Aug 20
DUB12:50 pmDublin
8h 00m
IAD3:50 pmWashington, D.C. Dulles Intl
Aer Lingus
Nov 18
IAD5:05 pmWashington, D.C. Dulles Intl
6h 50m
DUB4:55 amDublin
Nov 25
DUB4:20 pmDublin
8h 10m
IAD7:30 pmWashington, D.C. Dulles Intl
Aer Lingus
Aug 13
IAD9:00 pmWashington, D.C. Dulles Intl
6h 50m
DUB8:50 amDublin
Aug 21
DUB4:00 pmDublin
7h 55m
IAD6:55 pmWashington, D.C. Dulles Intl

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 $527. If you’re not able to fly to Dublin in January, then March is your next best option. Flight prices from Washington, D.C. to Dublin during March average around $551.

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 $894. 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 afternoon is the cheapest time of day to fly from Washington, D.C. to Dublin when you can find flight prices for as low as $793. Flying to Dublin in the afternoon 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 $710 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 $613 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.

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

As of July 2025, prices for Washington, D.C. to Dublin flights are approximately 18% 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

$216

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 $216. The best round-trip flight deal from Washington, D.C. to Dublin found on momondo in the last 72 hours is $320.
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)

  • 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 $285Free CancellationRating
7.0
102 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $330Free CancellationRating
7.3
1,424 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $415Free CancellationRating
7.0
518 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $433Free CancellationRating
7.1
1,922 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom $457Free CancellationRating
7.1
1,168 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $457Free CancellationRating
6.6
7,151 reviews
Search British Airways flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
8,864 reviews
Search United Airlines flights
JetBluePriceFrom $526Free CancellationRating
7.3
2,910 reviews
Search JetBlue flights
KLMPriceFrom $544Free CancellationRating
7.8
1,374 reviews
Search KLM flights
DeltaPriceFrom $548Free CancellationRating
8.0
7,958 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 14 United Airlines flights for this route in a normal week, average airfare is usually $800 round-trip - but some users have found much cheaper deals with momondo.

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

    The best American Airlines deal for Washington, D.C. to Dublin flight tickets found on momondo in the last 72 hours was $550, round-trip. It should be noted that an average American Airlines flight deal for this route in this time was higher, at $881 round-trip. American Airlines operates 13 flights out of Washington, D.C. into Dublin in an average week, so prices vary by time and availability. 10,000 American Airlines 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
Maynooth
Athlone
Dundalk
Malahide
Leixlip
Mullingar
Bray
Castleknock
Cavan
Kildare
Naas
Drogheda
Arklow
Enniscorthy
Wicklow
Tullamore
Slane
Thurles

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
Tue 7/22
Tue 7/29

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