Cheap flights from Washington, D.C. Reagan-National Airport to Ireland 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 Ireland departing on 8/19. 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

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
6:50 pm - 5:10 am
DCA
-
DUB
29h 20m
1 stop
Aer Lingus Logo
1:00 pm - 7:57 pm
DUB
-
DCA
11h 57m
1 stop
$648Aer Lingus
Wed, Nov 11 - Mon, Nov 16
Aer Lingus Logo
11:42 am - 5:10 am
DCA
-
DUB
12h 28m
1 stop
Aer Lingus Logo
1:20 pm - 7:57 pm
DUB
-
DCA
11h 37m
1 stop
$680Aer Lingus
Thu, Sep 3 - Sun, Sep 6
JetBlue Logo
1:25 pm - 8:20 am
DCA
-
DUB
13h 55m
1 stop
JetBlue Logo
10:40 am - 7:49 am
DUB
-
DCA
26h 09m
1 stop
$696JetBlue
Fri, Jul 24 - Mon, Jul 27
Multiple Airlines Logo
4:20 pm - 8:20 am
DCA
-
DUB
35h 00m
3 stops
Multiple Airlines Logo
10:40 am - 10:31 pm
DUB
-
DCA
16h 51m
1 stop
$697Multiple Airlines
Sat, Aug 15 - Mon, Aug 17
United Airlines Logo
8:20 pm - 7:30 am
DCA
-
DUB
30h 10m
1 stop
United Airlines Logo
9:50 am - 10:18 am
DUB
-
DCA
29h 28m
1 stop
$699United Airlines
Fri, Aug 14 - Sat, Aug 22
JetBlue Logo
9:00 am - 8:20 am
DCA
-
DUB
18h 20m
1 stop
JetBlue Logo
11:30 am - 10:59 pm
DUB
-
DCA
16h 29m
1 stop
$700JetBlue
Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
8:40 pm - 8:20 am
DCA
-
DUB
30h 40m
2 stops
Multiple Airlines Logo
10:40 am - 9:48 pm
DUB
-
DCA
16h 08m
2 stops
$707Multiple Airlines
Mon, Aug 17 - Tue, Aug 25
Delta Logo
5:00 pm - 11:10 am
DCA
-
SNN
13h 10m
1 stop
Delta Logo
1:05 pm - 10:59 pm
SNN
-
DCA
14h 54m
1 stop
$727Delta
Mon, Aug 17 - Tue, Aug 25
Delta Logo
2:45 pm - 11:10 am
DCA
-
SNN
15h 25m
2 stops
Delta Logo
1:05 pm - 11:48 pm
SNN
-
DCA
15h 43m
2 stops
$732Delta
Mon, Aug 17 - Tue, Aug 25
United Airlines Logo
1:00 pm - 7:30 am
DCA
-
SNN
13h 30m
1 stop
United Airlines Logo
9:30 am - 1:04 pm
SNN
-
DCA
32h 34m
1 stop
$813United Airlines
Mon, Jul 20 - Mon, Jul 27

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to Ireland flight tickets
JetBlue
Jul 24
DCA1:25 pmWashington, D.C. Reagan-National
13h 55m
1 stop
DUB8:20 amDublin
Jul 27
DUB10:40 amDublin
26h 09m
1 stop
DCA7:49 amWashington, D.C. Reagan-National
$696
JetBlue
Sep 3
DCA9:00 amWashington, D.C. Reagan-National
18h 20m
1 stop
DUB8:20 amDublin
Sep 6
DUB11:30 amDublin
16h 29m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$700
JetBlue
Sep 6
DCA9:00 amWashington, D.C. Reagan-National
18h 20m
1 stop
DUB8:20 amDublin
Sep 17
DUB10:40 amDublin
11h 44m
1 stop
DCA5:24 pmWashington, D.C. Reagan-National
$705

Aer Lingus flights from Washington, D.C. Reagan-National Airport to Ireland

Our best Aer Lingus deals on Washington, D.C. Reagan-National Airport to Ireland flight tickets
Aer Lingus
Nov 11
DCA6:50 pmWashington, D.C. Reagan-National
29h 20m
1 stop
DUB5:10 amDublin
Nov 16
DUB1:00 pmDublin
11h 57m
1 stop
DCA7:57 pmWashington, D.C. Reagan-National
$648
Aer Lingus
Sep 3
DCA11:42 amWashington, D.C. Reagan-National
12h 28m
1 stop
DUB5:10 amDublin
Sep 6
DUB1:20 pmDublin
11h 37m
1 stop
DCA7:57 pmWashington, D.C. Reagan-National
$680
Aer Lingus
Aug 8
DCA11:00 amWashington, D.C. Reagan-National
13h 10m
1 stop
DUB5:10 amDublin
Aug 15
DUB1:20 pmDublin
14h 11m
1 stop
DCA10:31 pmWashington, D.C. Reagan-National
$703

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Ireland 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 June 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ireland 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

Wed 11/11

6:50 pm-5:10 am

1 stop29h 20m

Dublin

Mon 11/16

1:00 pm-7:57 pm

1 stop11h 57m

$648
Quickest round-trip

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 9/3

11:42 am-5:10 am

1 stop12h 28m

Dublin

Sun 9/6

1:20 pm-7:57 pm

1 stop11h 37m

$680

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 7/24

1:25 pm-8:20 am

1 stop13h 55m

Dublin

Mon 7/27

10:40 am-7:49 am

1 stop26h 09m

$696

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sat 8/15

4:20 pm-8:20 am

3 stops35h 00m

Dublin

Mon 8/17

10:40 am-10:31 pm

1 stop16h 51m

$697

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 8/14

8:20 pm-7:30 am

1 stop30h 10m

Dublin

Sat 8/22

9:50 am-10:18 am

1 stop29h 28m

$699

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Thu 9/3

9:00 am-8:20 am

1 stop18h 20m

Dublin

Sun 9/6

11:30 am-10:59 pm

1 stop16h 29m

$700

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 8/17

8:40 pm-8:20 am

2 stops30h 40m

Dublin

Tue 8/25

10:40 am-9:48 pm

2 stops16h 08m

$707

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/17

5:00 pm-11:10 am

1 stop13h 10m

Shannon

Tue 8/25

1:05 pm-10:59 pm

1 stop14h 54m

$727

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 8/17

2:45 pm-11:10 am

2 stops15h 25m

Shannon

Tue 8/25

1:05 pm-11:48 pm

2 stops15h 43m

$732

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Mon 7/20

1:00 pm-7:30 am

1 stop13h 30m

Shannon

Mon 7/27

9:30 am-1:04 pm

1 stop32h 34m

$813

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ireland from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Ireland

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 Ireland?

In general, January is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Ireland during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $123.

Can stopping save me money on Washington, D.C. Reagan-National Airport to Ireland flights?

You could potentially save up to 50% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Ireland flight.

Cheap Washington, D.C. Reagan-National Airport to Ireland flight deals and tips

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

Fastest flight time

8h 55m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Ireland takes 8h 55m
There are no direct flights from Washington, D.C. Reagan-National Airport to Ireland. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Ireland.

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

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Ireland refresh daily.

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

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

    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. Reagan-National Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $359Free CancellationRating
7.3
1,599 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $405Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
JetBluePriceFrom $477Free CancellationRating
7.1
2,980 reviews
Search JetBlue flights
United AirlinesPriceFrom $584Free CancellationRating
7.4
9,801 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ireland from Washington, D.C..

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

Yes. All flights to Ireland 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 Ireland?

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 Ireland from Washington, D.C..

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

Price alerts on flights to Ireland from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 7/9
Thu 7/16

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo