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Cheap flights from Washington, D.C. Reagan-National Airport to Ireland from $381

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 2/15. 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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0 bags

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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.
JetBlue Logo
3:59 pm - 8:20 am
DCA
-
DUB
11h 21m1 stop
JetBlue Logo
10:40 am - 4:19 pm
DUB
-
DCA
10h 39m1 stop
$518JetBlue
Wed, Apr 29 - Thu, May 7
JetBlue Logo
8:55 pm - 8:20 am
DCA
-
DUB
30h 25m1 stop
JetBlue Logo
10:40 am - 5:49 pm
DUB
-
DCA
12h 09m1 stop
$525JetBlue
Sun, Apr 19 - Thu, Apr 30
Multiple Airlines Logo
6:00 am - 12:20 pm
DCA
-
DUB
25h 20m2 stops
Multiple Airlines Logo
6:20 am - 10:23 am
DUB
-
DCA
33h 03m2 stops
$564Multiple Airlines
Wed, Jan 21 - Tue, Jan 27
Multiple Airlines Logo
12:55 pm - 7:10 am
DCA
-
DUB
13h 15m2 stops
Multiple Airlines Logo
9:10 am - 7:45 pm
DUB
-
DCA
15h 35m2 stops
$567Multiple Airlines
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
1:59 pm - 11:30 am
DCA
-
SNN
16h 31m2 stops
American Airlines Logo
7:50 am - 9:30 pm
SNN
-
DCA
18h 40m2 stops
$621American Airlines
Wed, Jan 28 - Wed, Feb 4
American Airlines Logo
4:43 pm - 11:10 am
DCA
-
ORK
13h 27m2 stops
American Airlines Logo
7:40 am - 6:44 pm
ORK
-
DCA
16h 04m2 stops
$645American Airlines
Thu, Jan 29 - Thu, Feb 5
Air Canada Logo
4:15 pm - 11:30 am
DCA
-
SNN
14h 15m2 stops
Air Canada Logo
7:50 am - 9:58 pm
SNN
-
DCA
19h 08m2 stops
$758Air Canada
Sun, Feb 8 - Tue, Feb 24
British Airways Logo
6:06 am - 11:30 am
DCA
-
SNN
25h 24m2 stops
British Airways Logo
8:05 pm - 4:37 pm
SNN
-
DCA
24h 32m2 stops
$778British Airways
Sun, Mar 8 - Mon, Mar 16
British Airways Logo
3:30 pm - 11:30 am
DCA
-
SNN
15h 00m2 stops
British Airways Logo
2:45 pm - 10:37 pm
SNN
-
DCA
12h 52m1 stop
$787British Airways
Wed, Jan 28 - Wed, Feb 4
Air Canada Logo
12:55 pm - 3:10 pm
DCA
-
ORK
21h 15m2 stops
Air Canada Logo
11:45 am - 12:01 pm
ORK
-
DCA
53h 16m2 stops
$838Air Canada
Wed, Apr 29 - Sun, May 3

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
Apr 26
DCA6:30 amWashington, D.C. Reagan-National
22h 15m
1 stop
DUB9:45 amDublin
May 5
DUB9:50 amDublin
28h 03m
1 stop
DCA8:53 amWashington, D.C. Reagan-National
$578
Find similar
United Airlines
Jan 28
DCA2:00 pmWashington, D.C. Reagan-National
13h 10m
1 stop
DUB8:10 amDublin
Feb 4
DUB9:00 amDublin
15h 59m
1 stop
DCA7:59 pmWashington, D.C. Reagan-National
$580
Find similar
United Airlines
Jan 5
DCA3:30 pmWashington, D.C. Reagan-National
11h 40m
1 stop
DUB8:10 amDublin
Jan 14
DUB9:00 amDublin
15h 45m
1 stop
DCA7:45 pmWashington, D.C. Reagan-National
$582
Find similar

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

Our best Icelandair deals on Washington, D.C. Reagan-National Airport to Ireland flight tickets
Icelandair
Jan 7
DCA1:00 pmWashington, D.C. Reagan-National
16h 15m
2 stops
DUB10:15 amDublin
Jan 13
DUB11:30 amDublin
15h 15m
2 stops
DCA9:45 pmWashington, D.C. Reagan-National
$602
Find similar
Icelandair
Feb 4
DCA1:00 pmWashington, D.C. Reagan-National
16h 15m
2 stops
DUB10:15 amDublin
Apr 14
DUB2:15 pmDublin
22h 46m
2 stops
DCA8:01 amWashington, D.C. Reagan-National
$632
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 December 16, 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

Wed 4/29

3:59 pm-8:20 am

1 stop11h 21m

Dublin

Thu 5/7

10:40 am-4:19 pm

1 stop10h 39m

$518

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 4/19

8:55 pm-8:20 am

1 stop30h 25m

Dublin

Thu 4/30

10:40 am-5:49 pm

1 stop12h 09m

$525

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 1/21

6:00 am-12:20 pm

2 stops25h 20m

Dublin

Tue 1/27

6:20 am-10:23 am

2 stops33h 03m

$564

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 1/13

12:55 pm-7:10 am

2 stops13h 15m

Dublin

Tue 1/20

9:10 am-7:45 pm

2 stops15h 35m

$567

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 1/28

1:59 pm-11:30 am

2 stops16h 31m

Shannon

Wed 2/4

7:50 am-9:30 pm

2 stops18h 40m

$621

Washington, D.C.Cork

DCA - ORK

DCAORK

Washington, D.C. Reagan-National

Thu 1/29

4:43 pm-11:10 am

2 stops13h 27m

Cork

Thu 2/5

7:40 am-6:44 pm

2 stops16h 04m

$645

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 2/8

4:15 pm-11:30 am

2 stops14h 15m

Shannon

Tue 2/24

7:50 am-9:58 pm

2 stops19h 08m

$758

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Sun 3/8

6:06 am-11:30 am

2 stops25h 24m

Shannon

Mon 3/16

8:05 pm-4:37 pm

2 stops24h 32m

$778

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

Wed 1/28

3:30 pm-11:30 am

2 stops15h 00m

Shannon

Wed 2/4

2:45 pm-10:37 pm

1 stop12h 52m

$787

Washington, D.C.Cork

DCA - ORK

DCAORK

Washington, D.C. Reagan-National

Wed 4/29

12:55 pm-3:10 pm

2 stops21h 15m

Cork

Sun 5/3

11:45 am-12:01 pm

2 stops53h 16m

$838

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, February 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 $551. If you aren’t able to travel to Ireland during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $633.

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.

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

You could potentially save up to 56% 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

9h 31m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Ireland takes 9h 31m
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.
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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 $359Free CancellationRating
7.2
1,395 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $469Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
JetBluePriceFrom $477Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
United AirlinesPriceFrom $496Free CancellationRating
7.4
9,094 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.

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