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Cheap flights from Washington, D.C. Reagan-National Airport to Dublin from $296

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 4/15. 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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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.
Scandinavian Airlines Logo
11:13 am - 6:20 pmDCA-DUB
26h 07m2 stops
Scandinavian Airlines Logo
7:05 pm - 10:57 pmDUB-DCA
32h 52m2 stops
$492Scandinavian Airlines
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Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
9:40 am - 7:10 amDCA-DUB
16h 30m1 stop
Multiple Airlines Logo
9:10 am - 7:45 pmDUB-DCA
15h 35m2 stops
$494Multiple Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9
Delta Logo
5:00 pm - 8:45 amDCA-DUB
10h 45m1 stop
Delta Logo
1:25 pm - 10:43 pmDUB-DCA
14h 18m2 stops
$500Delta
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Sun, Feb 8 - Tue, Feb 17
United Airlines Logo
1:00 pm - 8:10 amDCA-DUB
14h 10m1 stop
United Airlines Logo
9:30 am - 2:37 pmDUB-DCA
10h 07m1 stop
$502United Airlines
Find Deal
Wed, Nov 19 - Thu, Nov 27
Delta Logo
7:30 pm - 3:45 pmDCA-DUB
15h 15m2 stops
Delta Logo
1:25 pm - 10:43 pmDUB-DCA
14h 18m2 stops
$505Delta
Find Deal
Tue, Feb 10 - Tue, Feb 17
JetBlue Logo
10:45 am - 8:20 amDCA-DUB
16h 35m1 stop
JetBlue Logo
10:40 am - 4:19 pmDUB-DCA
10h 39m1 stop
$515JetBlue
Find Deal
Thu, Apr 23 - Wed, Apr 29
JetBlue Logo
1:55 pm - 8:20 amDCA-DUB
13h 25m1 stop
JetBlue Logo
10:40 am - 5:59 pmDUB-DCA
12h 19m1 stop
$517JetBlue
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Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
6:19 pm - 9:55 amDCA-DUB
10h 36m1 stop
United Airlines Logo
9:00 am - 6:05 pmDUB-DCA
14h 05m1 stop
$532United Airlines
Find Deal
Fri, Nov 28 - Fri, Dec 12
Air Canada Logo
9:40 am - 7:10 amDCA-DUB
16h 30m1 stop
Air Canada Logo
9:00 am - 6:05 pmDUB-DCA
14h 05m1 stop
$538Air Canada
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Thu, Dec 4 - Wed, Dec 10
Air Canada Logo
8:40 pm - 7:10 amDCA-DUB
29h 30m1 stop
Air Canada Logo
9:00 am - 7:45 pmDUB-DCA
15h 45m1 stop
$539Air Canada
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Sat, Nov 15 - Mon, Nov 24

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets
Delta
Feb 8
DCA5:00 pmWashington, D.C. Reagan-National
10h 45m
1 stop
DUB8:45 amDublin
Feb 17
DUB1:25 pmDublin
14h 18m
2 stops
DCA10:43 pmWashington, D.C. Reagan-National
$500
Find similar
Delta
Feb 10
DCA7:30 pmWashington, D.C. Reagan-National
15h 15m
2 stops
DUB3:45 pmDublin
Feb 17
DUB1:25 pmDublin
14h 18m
2 stops
DCA10:43 pmWashington, D.C. Reagan-National
$505
Find similar
Delta
Nov 15
DCA6:26 pmWashington, D.C. Reagan-National
32h 19m
1 stop
DUB7:45 amDublin
Nov 25
DUB5:55 amDublin
17h 05m
2 stops
DCA6:00 pmWashington, D.C. Reagan-National
$506
Find similar

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Dublin flight tickets
United Airlines
Nov 19
DCA1:00 pmWashington, D.C. Reagan-National
14h 10m
1 stop
DUB8:10 amDublin
Nov 27
DUB9:30 amDublin
10h 07m
1 stop
DCA2:37 pmWashington, D.C. Reagan-National
$502
Find similar
United Airlines
Nov 19
DCA11:05 amWashington, D.C. Reagan-National
15h 25m
1 stop
DUB7:30 amDublin
Nov 23
DUB9:00 amDublin
14h 05m
1 stop
DCA6:05 pmWashington, D.C. Reagan-National
$531
Find similar
United Airlines
Nov 28
DCA6:19 pmWashington, D.C. Reagan-National
10h 36m
1 stop
DUB9:55 amDublin
Dec 12
DUB9:00 amDublin
14h 05m
1 stop
DCA6:05 pmWashington, D.C. Reagan-National
$532
Find similar

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 November 5, 2025.
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

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 12/2

11:13 am-6:20 pm

2 stops26h 07m

Dublin

Tue 12/9

7:05 pm-10:57 pm

2 stops32h 52m

$492

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 12/2

9:40 am-7:10 am

1 stop16h 30m

Dublin

Tue 12/9

9:10 am-7:45 pm

2 stops15h 35m

$494

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 2/8

5:00 pm-8:45 am

1 stop10h 45m

Dublin

Tue 2/17

1:25 pm-10:43 pm

2 stops14h 18m

$500

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 11/19

1:00 pm-8:10 am

1 stop14h 10m

Dublin

Thu 11/27

9:30 am-2:37 pm

1 stop10h 07m

$502

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 2/10

7:30 pm-3:45 pm

2 stops15h 15m

Dublin

Tue 2/17

1:25 pm-10:43 pm

2 stops14h 18m

$505

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 4/23

10:45 am-8:20 am

1 stop16h 35m

Dublin

Wed 4/29

10:40 am-4:19 pm

1 stop10h 39m

$515

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 4/21

1:55 pm-8:20 am

1 stop13h 25m

Dublin

Tue 4/28

10:40 am-5:59 pm

1 stop12h 19m

$517

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 11/28

6:19 pm-9:55 am

1 stop10h 36m

Dublin

Fri 12/12

9:00 am-6:05 pm

1 stop14h 05m

$532

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 12/4

9:40 am-7:10 am

1 stop16h 30m

Dublin

Wed 12/10

9:00 am-6:05 pm

1 stop14h 05m

$538

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sat 11/15

8:40 pm-7:10 am

1 stop29h 30m

Dublin

Mon 11/24

9:00 am-7:45 pm

1 stop15h 45m

$539

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 cheapest month to fly to Dublin?

In general, September is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $633. If you’re not able to fly to Dublin in September, then February is your next best option. Flight prices from Washington, D.C. Reagan-National Airport to Dublin during February average around $690.

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 $739. Flights from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Dublin when you can find flight prices for as low as $790. 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.

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

Direct flights

None
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.
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  • 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 10h 15m.

  • 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
DeltaPriceFrom $144Free CancellationRating
7.9
8,004 reviews
Search Delta flights
Aer LingusPriceFrom $359Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $469Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
JetBluePriceFrom $496Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights

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
Naas
Arklow
Castleknock
Cavan
Drogheda
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. 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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