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Cheap flights from Washington, D.C. Reagan-National Airport to Northern Ireland from £389

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.
1 adult
1 adult, Economy, 0 bags
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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
06:00 - 08:55
DCA
-
BFS
21h 55m
3 stops
Multiple Airlines Logo
22:25 - 22:31
BFS
-
DCA
29h 06m
2 stops
£651Multiple Airlines
Sat, 22 Aug - Sat, 29 Aug
Multiple Airlines Logo
06:59 - 08:55
DCA
-
BFS
20h 56m
2 stops
Multiple Airlines Logo
22:25 - 18:12
BFS
-
DCA
24h 47m
2 stops
£660Multiple Airlines
Sat, 22 Aug - Sat, 29 Aug
Multiple Airlines Logo
12:40 - 08:55
DCA
-
BFS
15h 15m
3 stops
Multiple Airlines Logo
22:25 - 22:31
BFS
-
DCA
29h 06m
2 stops
£665Multiple Airlines
Sat, 22 Aug - Sat, 29 Aug
Multiple Airlines Logo
06:59 - 08:55
DCA
-
BFS
20h 56m
2 stops
Multiple Airlines Logo
21:25 - 22:31
BFS
-
DCA
30h 06m
2 stops
£689Multiple Airlines
Sat, 22 Aug - Sun, 30 Aug
Multiple Airlines Logo
12:40 - 08:55
DCA
-
BFS
15h 15m
3 stops
Multiple Airlines Logo
21:25 - 22:31
BFS
-
DCA
30h 06m
2 stops
£692Multiple Airlines
Sat, 22 Aug - Sun, 30 Aug
Multiple Airlines Logo
11:00 - 08:55
DCA
-
BFS
16h 55m
2 stops
Multiple Airlines Logo
22:25 - 22:31
BFS
-
DCA
29h 06m
2 stops
£697Multiple Airlines
Sat, 22 Aug - Sat, 29 Aug
British Airways Logo
15:54 - 10:20
DCA
-
BHD
13h 26m
2 stops
British Airways Logo
06:35 - 19:59
BHD
-
DCA
18h 24m
2 stops
£742British Airways
Sun, 13 Dec - Sat, 30 Jan
British Airways Logo
13:55 - 10:45
DCA
-
BHD
15h 50m
2 stops
British Airways Logo
19:35 - 23:33
BHD
-
DCA
32h 58m
2 stops
£747British Airways
Tue, 1 Sep - Mon, 7 Sep
Delta Logo
12:55 - 09:20
DCA
-
BHD
15h 25m
2 stops
Delta Logo
17:30 - 17:48
BHD
-
DCA
29h 18m
2 stops
£757Delta
Sun, 23 Aug - Mon, 7 Sep
British Airways Logo
22:16 - 08:40
DCA
-
BHD
29h 24m
2 stops
British Airways Logo
19:35 - 19:05
BHD
-
DCA
28h 30m
2 stops
£777British Airways
Sat, 10 Oct - Mon, 19 Oct

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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
13 Dec
DCA15:54Washington, D.C. Reagan-National
13h 26m
2 stops
BHD10:20Belfast City
30 Jan
BHD06:35Belfast City
18h 24m
2 stops
DCA19:59Washington, D.C. Reagan-National
£742
British Airways
1 Sept
DCA13:55Washington, D.C. Reagan-National
15h 50m
2 stops
BHD10:45Belfast City
7 Sept
BHD19:35Belfast City
32h 58m
2 stops
DCA23:33Washington, D.C. Reagan-National
£747
British Airways
10 Oct
DCA22:16Washington, D.C. Reagan-National
29h 24m
2 stops
BHD08:40Belfast City
19 Oct
BHD19:35Belfast City
28h 30m
2 stops
DCA19:05Washington, D.C. Reagan-National
£777

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 12 July 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

Sat 22/8

06:00-08:55

3 stops21h 55m

Belfast Intl

Sat 29/8

22:25-22:31

2 stops29h 06m

£651

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 22/8

06:59-08:55

2 stops20h 56m

Belfast Intl

Sat 29/8

22:25-18:12

2 stops24h 47m

£660

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 22/8

12:40-08:55

3 stops15h 15m

Belfast Intl

Sat 29/8

22:25-22:31

2 stops29h 06m

£665

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 22/8

06:59-08:55

2 stops20h 56m

Belfast Intl

Sun 30/8

21:25-22:31

2 stops30h 06m

£689

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 22/8

12:40-08:55

3 stops15h 15m

Belfast Intl

Sun 30/8

21:25-22:31

2 stops30h 06m

£692

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 22/8

11:00-08:55

2 stops16h 55m

Belfast Intl

Sat 29/8

22:25-22:31

2 stops29h 06m

£697
Fastest return journey

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 13/12

15:54-10:20

2 stops13h 26m

Belfast City

Sat 30/1

06:35-19:59

2 stops18h 24m

£742

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 1/9

13:55-10:45

2 stops15h 50m

Belfast City

Mon 7/9

19:35-23:33

2 stops32h 58m

£747

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 23/8

12:55-09:20

2 stops15h 25m

Belfast City

Mon 7/9

17:30-17:48

2 stops29h 18m

£757

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 10/10

22:16-08:40

2 stops29h 24m

Belfast City

Mon 19/10

19:35-19:05

2 stops28h 30m

£777

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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?

Delta and British Airways are the most popular carriers 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

14h 28m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Northern Ireland takes 14h 28m
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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