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Cheap flights from Washington, D.C. Reagan-National Airport to Dublin from $311

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. Reagan-National Airport to Dublin departing on 6/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
12:00 pm - 8:20 am
DCA
-
DUB
15h 20m
1 stop
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
$625JetBlue
Thu, Apr 30 - Tue, May 5
JetBlue Logo
6:00 am - 9:00 am
DCA
-
DUB
22h 00m
1 stop
JetBlue Logo
10:40 am - 3:42 pm
DUB
-
DCA
10h 02m
1 stop
$630JetBlue
Mon, May 4 - Thu, May 7
JetBlue Logo
6:00 am - 9:00 am
DCA
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
$633JetBlue
Fri, May 1 - Sun, May 3
JetBlue Logo
3:35 pm - 8:20 am
DCA
-
DUB
11h 45m
1 stop
JetBlue Logo
10:40 am - 3:42 pm
DUB
-
DCA
10h 02m
1 stop
$640JetBlue
Tue, May 5 - Tue, May 12
JetBlue Logo
6:40 pm - 8:20 am
DCA
-
DUB
8h 40m
1 stop
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
$647JetBlue
Tue, May 5 - Tue, May 12
JetBlue Logo
4:59 pm - 8:20 am
DCA
-
DUB
10h 21m
1 stop
JetBlue Logo
10:40 am - 3:42 pm
DUB
-
DCA
10h 02m
1 stop
$650JetBlue
Tue, May 5 - Wed, May 13
JetBlue Logo
6:00 am - 9:00 am
DCA
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
$655JetBlue
Fri, May 1 - Sun, May 3
JetBlue Logo
4:59 pm - 8:20 am
DCA
-
DUB
10h 21m
1 stop
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
$659JetBlue
Wed, May 13 - Wed, May 20
JetBlue Logo
6:00 am - 9:00 am
DCA
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
$660JetBlue
Thu, May 14 - Mon, May 18
JetBlue Logo
6:00 am - 9:00 am
DCA
-
DUB
22h 00m
1 stop
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
$661JetBlue
Sun, May 31 - Sun, Jun 7

JetBlue flights from Washington, D.C. Reagan-National Airport to Dublin

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets
JetBlue
Apr 30
DCA12:00 pmWashington, D.C. Reagan-National
15h 20m
1 stop
DUB8:20 amDublin
May 5
DUB11:30 amDublin
16h 29m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$625
JetBlue
May 4
DCA6:00 amWashington, D.C. Reagan-National
22h 00m
1 stop
DUB9:00 amDublin
May 7
DUB10:40 amDublin
10h 02m
1 stop
DCA3:42 pmWashington, D.C. Reagan-National
$630
JetBlue
May 7
DCA6:00 amWashington, D.C. Reagan-National
22h 00m
1 stop
DUB9:00 amDublin
May 11
DUB11:30 amDublin
16h 29m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$633

Icelandair flights from Washington, D.C. Reagan-National Airport to Dublin

Our best Icelandair deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets
Icelandair
Apr 20
DCA6:40 pmWashington, D.C. Reagan-National
13h 35m
2 stops
DUB1:15 pmDublin
Apr 30
DUB2:15 pmDublin
22h 44m
2 stops
DCA7:59 amWashington, D.C. Reagan-National
$729
Icelandair
Apr 20
DCA6:40 pmWashington, D.C. Reagan-National
13h 35m
2 stops
DUB1:15 pmDublin
Apr 30
DUB2:15 pmDublin
22h 44m
2 stops
DCA7:59 amWashington, D.C. Reagan-National
$792
Icelandair
Apr 20
DCA3:35 pmWashington, D.C. Reagan-National
16h 40m
2 stops
DUB1:15 pmDublin
Apr 30
DUB2:15 pmDublin
22h 44m
2 stops
DCA7:59 amWashington, D.C. Reagan-National
$793

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 April 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 4/30

12:00 pm-8:20 am

1 stop15h 20m

Dublin

Tue 5/5

11:30 am-10:59 pm

1 stop16h 29m

$625

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 5/4

6:00 am-9:00 am

1 stop22h 00m

Dublin

Thu 5/7

10:40 am-3:42 pm

1 stop10h 02m

$630

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 5/1

6:00 am-9:00 am

1 stop22h 00m

Dublin

Sun 5/3

11:30 am-10:59 pm

1 stop16h 29m

$633

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 5/5

3:35 pm-8:20 am

1 stop11h 45m

Dublin

Tue 5/12

10:40 am-3:42 pm

1 stop10h 02m

$640

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 5/5

6:40 pm-8:20 am

1 stop8h 40m

Dublin

Tue 5/12

11:30 am-10:59 pm

1 stop16h 29m

$647
Quickest round-trip

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 5/5

4:59 pm-8:20 am

1 stop10h 21m

Dublin

Wed 5/13

10:40 am-3:42 pm

1 stop10h 02m

$650

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 5/1

6:00 am-9:00 am

1 stop22h 00m

Dublin

Sun 5/3

11:30 am-10:59 pm

1 stop16h 29m

$655

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 5/13

4:59 pm-8:20 am

1 stop10h 21m

Dublin

Wed 5/20

11:30 am-10:59 pm

1 stop16h 29m

$659

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 5/14

6:00 am-9:00 am

1 stop22h 00m

Dublin

Mon 5/18

11:30 am-10:59 pm

1 stop16h 29m

$660

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 5/31

6:00 am-9:00 am

1 stop22h 00m

Dublin

Sun 6/7

11:30 am-10:59 pm

1 stop16h 29m

$661

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. Reagan-National Airport 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. Reagan-National Airport and Dublin?

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

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Dublin is on a Tuesday. Travelers who choose to depart for Dublin on a Tuesday will often find tickets for as low as $723. Flights from Washington, D.C. Reagan-National Airport to Dublin on a Friday will generally be more expensive and average around $836. 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. Reagan-National Airport to Dublin when you can find flight prices for as low as $764. Flying to Dublin in the evening is an ideal time because this is during off-peak travel hours. Flights in the afternoon are often more expensive with an average ticket price of $787.

When to book flights from Washington, D.C. Reagan-National Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Dublin (DCA to DUB) flight deals and tips

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

Fastest flight time

8h 40m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Dublin takes 8h 40m
There are no direct flights from Washington, D.C. Reagan-National Airport to Dublin. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Dublin.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Dublin

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

    Dublin is 3381.7 mi away from Washington, D.C. Reagan-National. A reasonable flight in good conditions will take 8h 40m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Dublin Airport are refreshed on a daily basis.

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

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport 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 layovers 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. Reagan-National Airport to Dublin Airport.

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

    The travel and health documents you'll need for your trip to Dublin Airport 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 license and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Washington, D.C. Reagan-National Airport to Dublin

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Dublin with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $359Free CancellationRating
7.2
1,503 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $459Free CancellationRating
7.1
11,571 reviews
Search American Airlines flights
JetBluePriceFrom $477Free CancellationRating
7.2
2,931 reviews
Search JetBlue flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
9,573 reviews
Search United Airlines flights

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
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Mullingar
Wicklow
Drogheda
Portmarnock
Arklow
Castleknock
Malahide
Leixlip
Carlingford
Cavan
Maynooth
Naas
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. All flights to Dublin from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Washington, D.C. and alert you when they change.

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