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Cheap flights from Washington, D.C. Reagan-National Airport to Ireland from $289

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 10/21. 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

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.
JetBlue Logo
7:59 pm - 8:20 amDCA  Washington, D.C. Reagan-National-DUB Dublin
31h 21m1 stop Boston Logan Intl
JetBlue Logo
11:30 am - 10:59 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
16h 29m1 stop New York John F Kennedy Intl
$640JetBlue
Sat, Aug 22 - Thu, Aug 27
Multiple Airlines Logo
6:55 pm - 11:05 amDCA  Washington, D.C. Reagan-National-DUB Dublin
35h 10m2 stops Toronto Pearson Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
12:15 pm - 8:55 amDUB  Dublin-DCA Washington, D.C. Reagan-National
25h 40m2 stops Reykjavik Keflavik Intl Toronto Pearson Intl
$640Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
6:00 am - 11:30 amDCA  Washington, D.C. Reagan-National-DUB Dublin
24h 30m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
1:15 pm - 10:34 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
14h 19m1 stop Toronto Pearson Intl
$644Multiple Airlines
Tue, Sep 15 - Wed, Sep 30
Aer Lingus Logo
6:55 pm - 5:10 amDCA  Washington, D.C. Reagan-National-DUB Dublin
29h 15m1 stop Toronto Pearson Intl
Aer Lingus Logo
1:20 pm - 7:57 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
11h 37m1 stop Toronto Pearson Intl
$648Aer Lingus
Mon, Aug 31 - Mon, Sep 7
Multiple Airlines Logo
11:00 am - 11:30 amDCA  Washington, D.C. Reagan-National-DUB Dublin
19h 30m1 stop Toronto Pearson Intl
Multiple Airlines Logo
1:15 pm - 7:59 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
11h 44m1 stop Toronto Pearson Intl
$648Multiple Airlines
Tue, Sep 15 - Tue, Sep 22
JetBlue Logo
6:10 am - 9:00 amDCA  Washington, D.C. Reagan-National-DUB Dublin
21h 50m1 stop New York John F Kennedy Intl
JetBlue Logo
11:30 am - 10:59 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
16h 29m1 stop New York John F Kennedy Intl
$665JetBlue
Sat, Aug 29 - Sat, Sep 5
Aer Lingus Logo
11:00 am - 5:10 amDCA  Washington, D.C. Reagan-National-DUB Dublin
13h 10m1 stop Toronto Pearson Intl
Aer Lingus Logo
11:15 am - 7:05 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
11h 50m1 stop New York John F Kennedy Intl
$671Aer Lingus
Sun, Oct 18 - Tue, Oct 27
Aer Lingus Logo
11:00 am - 5:10 amDCA  Washington, D.C. Reagan-National-DUB Dublin
13h 10m1 stop Toronto Pearson Intl
Aer Lingus Logo
11:15 am - 7:05 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
11h 50m1 stop New York John F Kennedy Intl
$671Aer Lingus
Sun, Oct 18 - Wed, Oct 28
JetBlue Logo
5:00 pm - 8:20 amDCA  Washington, D.C. Reagan-National-DUB Dublin
10h 20m1 stop Boston Logan Intl
JetBlue Logo
11:30 am - 10:59 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
16h 29m1 stop New York John F Kennedy Intl
$703JetBlue
Sun, Aug 16 - Tue, Sep 1
JetBlue Logo
11:00 am - 8:20 amDCA  Washington, D.C. Reagan-National-DUB Dublin
16h 20m1 stop Boston Logan Intl
JetBlue Logo
10:40 am - 3:59 pmDUB  Dublin-DCA Washington, D.C. Reagan-National
10h 19m1 stop Boston Logan Intl
$704JetBlue
Tue, Sep 8 - Tue, Sep 15

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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
Aug 13
DCA11:00 amWashington, D.C. Reagan-National
13h 10m
1 stop
DUB5:10 amDublin
Aug 20
DUB1:20 pmDublin
11h 37m
1 stop
DCA7:57 pmWashington, D.C. Reagan-National
$640
Aer Lingus
Oct 18
DCA11:00 amWashington, D.C. Reagan-National
13h 10m
1 stop
DUB5:10 amDublin
Oct 28
DUB11:15 amDublin
11h 50m
1 stop
DCA7:05 pmWashington, D.C. Reagan-National
$671
Aer Lingus
Aug 25
DCA11:00 amWashington, D.C. Reagan-National
13h 10m
1 stop
DUB5:10 amDublin
Aug 28
DUB1:20 pmDublin
14h 11m
1 stop
DCA10:31 pmWashington, D.C. Reagan-National
$686

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
Aug 22
DCA7:59 pmWashington, D.C. Reagan-National
31h 21m
1 stop
DUB8:20 amDublin
Aug 27
DUB11:30 amDublin
16h 29m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$640
JetBlue
Aug 29
DCA6:10 amWashington, D.C. Reagan-National
21h 50m
1 stop
DUB9:00 amDublin
Sep 5
DUB11:30 amDublin
16h 29m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$665
JetBlue
Aug 17
DCA5:00 pmWashington, D.C. Reagan-National
10h 20m
1 stop
DUB8:20 amDublin
Sep 2
DUB11:30 amDublin
16h 29m
1 stop
DCA10:59 pmWashington, D.C. Reagan-National
$704

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 6, 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 Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Sat 8/22

7:59 pm-8:20 am

1 stop31h 21m

Dublin

Thu 8/27

11:30 am-10:59 pm

1 stop16h 29m

$640

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Mon 9/21

6:55 pm-11:05 am

2 stops35h 10m

Dublin

Wed 9/30

12:15 pm-8:55 am

2 stops25h 40m

$640

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Tue 9/15

6:00 am-11:30 am

2 stops24h 30m

Dublin

Wed 9/30

1:15 pm-10:34 pm

1 stop14h 19m

$644

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Mon 8/31

6:55 pm-5:10 am

1 stop29h 15m

Dublin

Mon 9/7

1:20 pm-7:57 pm

1 stop11h 37m

$648

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Tue 9/15

11:00 am-11:30 am

1 stop19h 30m

Dublin

Tue 9/22

1:15 pm-7:59 pm

1 stop11h 44m

$648

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Sat 8/29

6:10 am-9:00 am

1 stop21h 50m

Dublin

Sat 9/5

11:30 am-10:59 pm

1 stop16h 29m

$665
Quickest round-trip

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Sun 10/18

11:00 am-5:10 am

1 stop13h 10m

Dublin

Tue 10/27

11:15 am-7:05 pm

1 stop11h 50m

$671

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Sun 10/18

11:00 am-5:10 am

1 stop13h 10m

Dublin

Wed 10/28

11:15 am-7:05 pm

1 stop11h 50m

$671

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Sun 8/16

5:00 pm-8:20 am

1 stop10h 20m

Dublin

Tue 9/1

11:30 am-10:59 pm

1 stop16h 29m

$703

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Tue 9/8

11:00 am-8:20 am

1 stop16h 20m

Dublin

Tue 9/15

10:40 am-3:59 pm

1 stop10h 19m

$704

Flights are sorted by cheapest round-trip flights 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 $0. If you aren’t able to travel to Ireland during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $537.

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

You could potentially save up to 60% 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 36m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Ireland takes 9h 36m
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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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
1,690 reviews
Search Aer Lingus flights
JetBluePriceFrom $491Free CancellationRating
7.1
3,023 reviews
Search JetBlue 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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