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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from £275

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 Belfast departing on 5/8. 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 Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:45 - 14:55
DCA
-
BHD
21h 10m
3 stops
Multiple Airlines Logo
07:00 - 18:13
BHD
-
DCA
40h 13m
3 stops
£686Multiple Airlines
Sun, 7 Jun - Thu, 11 Jun
Multiple Airlines Logo
06:59 - 18:55
DCA
-
BFS
30h 56m
3 stops
Multiple Airlines Logo
21:10 - 18:13
BFS
-
DCA
26h 03m
2 stops
£720Multiple Airlines
Sat, 6 Jun - Fri, 12 Jun
Multiple Airlines Logo
06:59 - 18:55
DCA
-
BFS
30h 56m
3 stops
Multiple Airlines Logo
21:10 - 21:55
BFS
-
DCA
29h 45m
3 stops
£730Multiple Airlines
Sat, 6 Jun - Fri, 12 Jun
Multiple Airlines Logo
06:59 - 20:50
DCA
-
BHD
32h 51m
3 stops
Multiple Airlines Logo
07:00 - 19:58
BHD
-
DCA
17h 58m
2 stops
£755Multiple Airlines
Sat, 6 Jun - Fri, 12 Jun
Multiple Airlines Logo
18:55 - 16:30
DCA
-
BFS
16h 35m
2 stops
Multiple Airlines Logo
06:10 - 08:53
BFS
-
DCA
31h 43m
3 stops
£757Multiple Airlines
Fri, 5 Jun - Thu, 11 Jun
Multiple Airlines Logo
06:59 - 08:55
DCA
-
BFS
20h 56m
2 stops
Multiple Airlines Logo
21:10 - 18:13
BFS
-
DCA
26h 03m
2 stops
£758Multiple Airlines
Sat, 6 Jun - Fri, 12 Jun
American Airlines Logo
17:00 - 10:45
DCA
-
BHD
12h 45m
2 stops
American Airlines Logo
06:30 - 19:14
BHD
-
DCA
17h 44m
2 stops
£978American Airlines
Tue, 2 Jun - Mon, 8 Jun
British Airways Logo
14:24 - 10:45
DCA
-
BHD
15h 21m
2 stops
British Airways Logo
11:35 - 22:19
BHD
-
DCA
15h 44m
2 stops
£992British Airways
Tue, 2 Jun - Mon, 8 Jun
British Airways Logo
18:40 - 18:10
DCA
-
BHD
18h 30m
2 stops
British Airways Logo
11:35 - 21:30
BHD
-
DCA
14h 55m
2 stops
£1,004British Airways
Fri, 5 Jun - Mon, 8 Jun
British Airways Logo
17:00 - 15:30
DCA
-
BHD
17h 30m
2 stops
British Airways Logo
11:35 - 23:14
BHD
-
DCA
16h 39m
2 stops
£1,047British Airways
Fri, 29 May - Mon, 8 Jun

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

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Belfast flight tickets
British Airways
13 May
DCA17:54Washington, D.C. Reagan-National
14h 41m
2 stops
BHD13:35Belfast City
17 May
BHD11:00Belfast City
16h 29m
2 stops
DCA22:29Washington, D.C. Reagan-National
£860
British Airways
2 Jun
DCA14:24Washington, D.C. Reagan-National
15h 21m
2 stops
BHD10:45Belfast City
8 Jun
BHD11:35Belfast City
15h 44m
2 stops
DCA22:19Washington, D.C. Reagan-National
£992
British Airways
5 Jun
DCA18:40Washington, D.C. Reagan-National
18h 30m
2 stops
BHD18:10Belfast City
8 Jun
BHD11:35Belfast City
14h 55m
2 stops
DCA21:30Washington, D.C. Reagan-National
£1,004

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Belfast flight tickets
American Airlines
13 May
DCA17:54Washington, D.C. Reagan-National
13h 06m
2 stops
BHD12:00Belfast City
17 May
BHD13:10Belfast City
15h 51m
2 stops
DCA00:01Washington, D.C. Reagan-National
£858
American Airlines
2 Jun
DCA17:00Washington, D.C. Reagan-National
12h 45m
2 stops
BHD10:45Belfast City
8 Jun
BHD06:30Belfast City
17h 44m
2 stops
DCA19:14Washington, D.C. Reagan-National
£978

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Reagan-National Airport to Belfast 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 8 May 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 7/6

12:45-14:55

3 stops21h 10m

Belfast City

Thu 11/6

07:00-18:13

3 stops40h 13m

£686

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 6/6

06:59-18:55

3 stops30h 56m

Belfast Intl

Fri 12/6

21:10-18:13

2 stops26h 03m

£720

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 6/6

06:59-18:55

3 stops30h 56m

Belfast Intl

Fri 12/6

21:10-21:55

3 stops29h 45m

£730

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 6/6

06:59-20:50

3 stops32h 51m

Belfast City

Fri 12/6

07:00-19:58

2 stops17h 58m

£755

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 5/6

18:55-16:30

2 stops16h 35m

Belfast Intl

Thu 11/6

06:10-08:53

3 stops31h 43m

£757

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sat 6/6

06:59-08:55

2 stops20h 56m

Belfast Intl

Fri 12/6

21:10-18:13

2 stops26h 03m

£758
Fastest return journey

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 2/6

17:00-10:45

2 stops12h 45m

Belfast City

Mon 8/6

06:30-19:14

2 stops17h 44m

£978

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 2/6

14:24-10:45

2 stops15h 21m

Belfast City

Mon 8/6

11:35-22:19

2 stops15h 44m

£992

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 5/6

18:40-18:10

2 stops18h 30m

Belfast City

Mon 8/6

11:35-21:30

2 stops14h 55m

£1,004

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 29/5

17:00-15:30

2 stops17h 30m

Belfast City

Mon 8/6

11:35-23:14

2 stops16h 39m

£1,047

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Belfast

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 Belfast?

KLM and Delta are the most popular carriers operating from Washington, D.C. Reagan-National to Belfast

Cheap Washington, D.C. Reagan-National Airport to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Belfast

Fastest flight time

13h 20m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Belfast takes 13h 20m
There are no direct flights from Washington, D.C. Reagan-National Airport to Belfast. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Belfast.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Belfast

  • How far is Washington, D.C. Reagan-National to Belfast by plane?

    The straight-line distance from Washington, D.C. Reagan-National to Belfast is 3376.1 mi. In terms of flight time, this usually takes a little over 13h 20m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Belfast are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The travel and health documents you'll need for your trip to Belfast 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 Belfast. 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 Belfast?

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 Belfast from Washington, D.C..

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

Flights from Washington, D.C. to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Washington, D.C. to Belfast 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 Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Washington, D.C. and alert you when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport