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Cheap flights from Washington, D.C. Reagan-National Airport to Northern Ireland from £259

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 Northern Ireland departing on 11/9. 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 Northern Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:40 - 18:25
DCA
-
BFS
24h 45m
3 stops
Multiple Airlines Logo
20:35 - 21:48
BFS
-
DCA
30h 13m
3 stops
£706Multiple Airlines
Sun, 12 Jul - Mon, 20 Jul
Multiple Airlines Logo
12:45 - 19:15
DCA
-
BFS
25h 30m
3 stops
Multiple Airlines Logo
05:55 - 22:31
BFS
-
DCA
21h 36m
2 stops
£708Multiple Airlines
Wed, 17 Jun - Wed, 24 Jun
Multiple Airlines Logo
18:55 - 22:50
DCA
-
BFS
22h 55m
2 stops
Multiple Airlines Logo
20:35 - 21:48
BFS
-
DCA
30h 13m
3 stops
£726Multiple Airlines
Sun, 12 Jul - Mon, 20 Jul
Multiple Airlines Logo
12:40 - 15:55
DCA
-
BFS
22h 15m
3 stops
Multiple Airlines Logo
06:45 - 12:00
BFS
-
DCA
34h 15m
3 stops
£733Multiple Airlines
Sun, 5 Jul - Sun, 12 Jul
American Airlines Logo
17:06 - 10:45
DCA
-
BHD
12h 39m
2 stops
American Airlines Logo
11:25 - 21:29
BHD
-
DCA
15h 04m
2 stops
£737American Airlines
Tue, 13 Oct - Wed, 11 Nov
Multiple Airlines Logo
12:45 - 19:15
DCA
-
BFS
25h 30m
3 stops
Multiple Airlines Logo
05:55 - 10:18
BFS
-
DCA
33h 23m
3 stops
£739Multiple Airlines
Wed, 17 Jun - Wed, 24 Jun
British Airways Logo
17:22 - 15:30
DCA
-
BHD
17h 08m
2 stops
British Airways Logo
09:40 - 20:59
BHD
-
DCA
16h 19m
2 stops
£776British Airways
Fri, 21 Aug - Tue, 25 Aug
British Airways Logo
15:36 - 10:05
DCA
-
BHD
13h 29m
2 stops
British Airways Logo
19:35 - 15:59
BHD
-
DCA
25h 24m
2 stops
£782British Airways
Sat, 12 Sep - Mon, 21 Sep
Delta Logo
17:00 - 16:55
DCA
-
BHD
18h 55m
2 stops
Delta Logo
09:50 - 21:50
BHD
-
DCA
17h 00m
2 stops
£788Delta
Fri, 11 Sep - Wed, 16 Sep
Delta Logo
17:00 - 16:55
DCA
-
BHD
18h 55m
2 stops
Delta Logo
09:50 - 21:50
BHD
-
DCA
17h 00m
2 stops
£790Delta
Fri, 11 Sep - Wed, 16 Sep

British Airways flights from Washington, D.C. Reagan-National Airport to Northern Ireland

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Northern Ireland flight tickets
British Airways
21 Aug
DCA17:22Washington, D.C. Reagan-National
17h 08m
2 stops
BHD15:30Belfast City
25 Aug
BHD09:40Belfast City
16h 19m
2 stops
DCA20:59Washington, D.C. Reagan-National
£776
British Airways
12 Sept
DCA15:36Washington, D.C. Reagan-National
13h 29m
2 stops
BHD10:05Belfast City
21 Sept
BHD19:35Belfast City
25h 24m
2 stops
DCA15:59Washington, D.C. Reagan-National
£782
British Airways
11 Sept
DCA06:30Washington, D.C. Reagan-National
21h 20m
2 stops
BHD08:50Belfast City
16 Sept
BHD11:35Belfast City
16h 27m
2 stops
DCA23:02Washington, D.C. Reagan-National
£783

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Northern Ireland flight tickets
American Airlines
13 Oct
DCA17:06Washington, D.C. Reagan-National
12h 39m
2 stops
BHD10:45Belfast City
11 Nov
BHD11:25Belfast City
15h 04m
2 stops
DCA21:29Washington, D.C. Reagan-National
£737
American Airlines
12 Jul
DCA14:54Washington, D.C. Reagan-National
14h 36m
2 stops
BHD10:30Belfast City
20 Jul
BHD06:30Belfast City
15h 51m
2 stops
DCA17:21Washington, D.C. Reagan-National
£941

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Reagan-National Airport to Northern 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 279,928 searches. Data last updated 24 May 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 12/7

12:40-18:25

3 stops24h 45m

Belfast Intl

Mon 20/7

20:35-21:48

3 stops30h 13m

£706

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 17/6

12:45-19:15

3 stops25h 30m

Belfast Intl

Wed 24/6

05:55-22:31

2 stops21h 36m

£708

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 12/7

18:55-22:50

2 stops22h 55m

Belfast Intl

Mon 20/7

20:35-21:48

3 stops30h 13m

£726

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 5/7

12:40-15:55

3 stops22h 15m

Belfast Intl

Sun 12/7

06:45-12:00

3 stops34h 15m

£733
Fastest return journey

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 13/10

17:06-10:45

2 stops12h 39m

Belfast City

Wed 11/11

11:25-21:29

2 stops15h 04m

£737

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 17/6

12:45-19:15

3 stops25h 30m

Belfast Intl

Wed 24/6

05:55-10:18

3 stops33h 23m

£739

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 21/8

17:22-15:30

2 stops17h 08m

Belfast City

Tue 25/8

09:40-20:59

2 stops16h 19m

£776

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 12/9

15:36-10:05

2 stops13h 29m

Belfast City

Mon 21/9

19:35-15:59

2 stops25h 24m

£782

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 11/9

17:00-16:55

2 stops18h 55m

Belfast City

Wed 16/9

09:50-21:50

2 stops17h 00m

£788

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 11/9

17:00-16:55

2 stops18h 55m

Belfast City

Wed 16/9

09:50-21:50

2 stops17h 00m

£790

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Northern 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 airline that flies from Washington, D.C. Reagan-National to Northern Ireland?

British Airways is the most popular carrier operating from Washington, D.C. Reagan-National to Northern Ireland

Cheap Washington, D.C. Reagan-National Airport to Northern 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 Northern Ireland

Fastest flight time

13h 29m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Northern Ireland takes 13h 29m
There are no direct flights from Washington, D.C. Reagan-National Airport to Northern Ireland. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Northern Ireland.
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Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Northern Ireland

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Reagan-National Airport to Northern Ireland.

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

    The travel and health documents you'll need for your trip to Northern Ireland 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 Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Northern Ireland for you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Northern Ireland flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Northern Ireland?

Once you have performed a search for Washington, D.C. to Northern Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Washington, D.C. to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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