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Cheap flights from Washington, D.C. Reagan-National Airport to Ireland from $265

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 10/20. 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 Ireland

Cheap round-trip flights

JetBlue Logo
6:25 am - 8:20 amDCA-DUB
20h 55m1 stop
JetBlue Logo
11:30 am - 7:21 pmDUB-DCA
12h 51m1 stop
$466JetBlue
Find Deal
Fri, Oct 10 - Mon, Oct 13
United Airlines Logo
4:00 pm - 7:30 amDCA-DUB
11h 30m1 stop
United Airlines Logo
9:00 am - 10:35 pmDUB-DCA
18h 35m1 stop
$468United Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
JetBlue Logo
5:30 pm - 8:20 amDCA-DUB
9h 50m1 stop
JetBlue Logo
10:40 am - 4:47 pmDUB-DCA
11h 07m1 stop
$474JetBlue
Find Deal
Sun, Sep 14 - Tue, Sep 23
United Airlines Logo
4:30 pm - 7:30 amDCA-DUB
11h 00m1 stop
United Airlines Logo
9:00 am - 5:25 pmDUB-DCA
13h 25m2 stops
$478United Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Air Canada Logo
4:30 pm - 7:45 amDCA-DUB
10h 15m1 stop
Air Canada Logo
9:20 am - 3:51 pmDUB-DCA
11h 31m1 stop
$488Air Canada
Find Deal
Sun, Aug 17 - Tue, Sep 2
Air Canada Logo
4:30 pm - 7:45 amDCA-DUB
10h 15m1 stop
Air Canada Logo
9:20 am - 6:04 pmDUB-DCA
13h 44m2 stops
$495Air Canada
Find Deal
Sun, Aug 17 - Tue, Sep 2
Delta Logo
6:45 pm - 9:20 amDCA-DUB
10h 35m1 stop
Delta Logo
8:45 am - 10:19 pmDUB-DCA
18h 34m2 stops
$501Delta
Find Deal
Tue, Oct 28 - Tue, Nov 4
Delta Logo
12:15 pm - 10:45 amDCA-DUB
17h 30m1 stop
Delta Logo
12:00 pm - 10:12 pmDUB-DCA
15h 12m1 stop
$526Delta
Find Deal
Wed, Aug 20 - Wed, Aug 27
American Airlines Logo
3:59 pm - 11:30 amDCA-SNN
14h 31m2 stops
American Airlines Logo
7:50 am - 10:29 pmSNN-DCA
19h 39m2 stops
$597American Airlines
Find Deal
Tue, Nov 25 - Sun, Nov 30
American Airlines Logo
7:23 pm - 4:05 pmDCA-SNN
15h 42m2 stops
American Airlines Logo
7:40 am - 8:00 pmSNN-DCA
17h 20m2 stops
$647American Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Ireland flight tickets
United Airlines
Aug 13
DCA6:25 amWashington, D.C. Reagan-National
22h 20m
1 stop
DUB9:45 amDublin
Aug 21
DUB9:20 amDublin
29h 58m
1 stop
DCA10:18 amWashington, D.C. Reagan-National
$448
Find similar
United Airlines
Aug 11
DCA6:25 amWashington, D.C. Reagan-National
22h 20m
1 stop
DUB9:45 amDublin
Aug 20
DUB9:50 amDublin
28h 07m
1 stop
DCA8:57 amWashington, D.C. Reagan-National
$455
Find similar
United Airlines
Aug 12
DCA5:00 pmWashington, D.C. Reagan-National
11h 45m
1 stop
DUB9:45 amDublin
Aug 21
DUB9:20 amDublin
17h 28m
1 stop
DCA9:48 pmWashington, D.C. Reagan-National
$465
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Air Canada flights from Washington, D.C. Reagan-National Airport to Ireland

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Ireland flight tickets
Air Canada
Aug 11
DCA4:30 pmWashington, D.C. Reagan-National
10h 15m
1 stop
DUB7:45 amDublin
Aug 19
DUB9:50 amDublin
17h 37m
1 stop
DCA10:27 pmWashington, D.C. Reagan-National
$449
Find similar
Air Canada
Aug 11
DCA4:30 pmWashington, D.C. Reagan-National
10h 15m
1 stop
DUB7:45 amDublin
Aug 21
DUB9:20 amDublin
29h 58m
1 stop
DCA10:18 amWashington, D.C. Reagan-National
$461
Find similar
Air Canada
Aug 11
DCA4:30 pmWashington, D.C. Reagan-National
10h 15m
1 stop
DUB7:45 amDublin
Aug 20
DUB9:50 amDublin
29h 28m
2 stops
DCA10:18 amWashington, D.C. Reagan-National
$467
Find similar

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 August 5, 2025.
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

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Fri 10/10

6:25 am-8:20 am

1 stop20h 55m

Dublin

Mon 10/13

11:30 am-7:21 pm

1 stop12h 51m

$466

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 10/29

4:00 pm-7:30 am

1 stop11h 30m

Dublin

Wed 11/5

9:00 am-10:35 pm

1 stop18h 35m

$468

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 9/14

5:30 pm-8:20 am

1 stop9h 50m

Dublin

Tue 9/23

10:40 am-4:47 pm

1 stop11h 07m

$474

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 10/29

4:30 pm-7:30 am

1 stop11h 00m

Dublin

Wed 11/5

9:00 am-5:25 pm

2 stops13h 25m

$478

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 8/17

4:30 pm-7:45 am

1 stop10h 15m

Dublin

Tue 9/2

9:20 am-3:51 pm

1 stop11h 31m

$488

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 8/17

4:30 pm-7:45 am

1 stop10h 15m

Dublin

Tue 9/2

9:20 am-6:04 pm

2 stops13h 44m

$495

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 10/28

6:45 pm-9:20 am

1 stop10h 35m

Dublin

Tue 11/4

8:45 am-10:19 pm

2 stops18h 34m

$501

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 8/20

12:15 pm-10:45 am

1 stop17h 30m

Dublin

Wed 8/27

12:00 pm-10:12 pm

1 stop15h 12m

$526

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Tue 11/25

3:59 pm-11:30 am

2 stops14h 31m

Shannon

Sun 11/30

7:50 am-10:29 pm

2 stops19h 39m

$597

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sat 9/6

7:23 pm-4:05 pm

2 stops15h 42m

Shannon

Sat 9/13

7:40 am-8:00 pm

2 stops17h 20m

$647

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 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 $601. If you aren’t able to travel to Ireland during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $621.

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

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $752. This is often the case because there is less demand to fly during this day of the week. Flights from Washington, D.C. Reagan-National Airport to Ireland on a Monday will generally be more expensive and average around $871. 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 Ireland?

According to our data, the cheapest time of day to fly to Ireland is in the afternoon. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Ireland in the afternoon for as low as $789. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is at noon when prices are around $890.

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

Best Price Found

$265

Fastest flight time

9h 00m

Direct flights

None

Airports in Ireland

2 airports
The best one-way flight to Ireland from Washington, D.C. Reagan-National Airport in the past 72 hours is $265. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Ireland found on momondo in the last 72 hours is $466.
The fastest flight from Washington, D.C. Reagan-National Airport to Ireland takes 9h 00m
There are no direct flights from Washington, D.C. Reagan-National Airport to Ireland. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Dublin Airport and Washington, D.C. Reagan-National Airport - Shannon Airport.
There are 2 airports near Ireland: Dublin (DUB), Shannon (SNN)
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  • 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 $457Free CancellationRating
7.1
1,197 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
8,912 reviews
Search United Airlines flights
JetBluePriceFrom $526Free CancellationRating
7.2
2,915 reviews
Search JetBlue flights
American AirlinesPriceFrom $554Free CancellationRating
7.2
10,000 reviews
Search American 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.

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Find better results for your trip to Ireland

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