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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from £499

This is the cheapest return 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 16/3. 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.
American Airlines Logo
18:59 - 14:15DCA-BHD
15h 16m2 stops
American Airlines Logo
12:10 - 22:46BHD-DCA
14h 36m2 stops
£499American Airlines
Find Deal
Mon, 16 Mar - Sun, 22 Mar
Delta Logo
17:30 - 16:50DCA-BHD
18h 20m2 stops
Delta Logo
06:30 - 18:00BHD-DCA
16h 30m2 stops
£508Delta
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Delta Logo
12:36 - 16:50DCA-BHD
23h 14m2 stops
Delta Logo
06:30 - 18:00BHD-DCA
16h 30m2 stops
£508Delta
Find Deal
Wed, 12 Nov - Sun, 16 Nov
Delta Logo
17:00 - 16:55DCA-BHD
18h 55m2 stops
Delta Logo
06:30 - 23:08BHD-DCA
21h 38m2 stops
£527Delta
Find Deal
Wed, 1 Apr - Sun, 5 Apr
British Airways Logo
16:04 - 09:10DCA-BHD
13h 06m2 stops
British Airways Logo
06:50 - 19:13BHD-DCA
17h 23m2 stops
£601British Airways
Find Deal
Sat, 28 Mar - Sun, 5 Apr
American Airlines Logo
17:23 - 11:55DCA-BHD
13h 32m2 stops
American Airlines Logo
15:50 - 10:05BHD-DCA
23h 15m2 stops
£663American Airlines
Find Deal
Wed, 1 Apr - Sun, 5 Apr
Multiple Airlines Logo
17:42 - 09:10DCA-BHD
34h 28m2 stops
Multiple Airlines Logo
11:05 - 07:49BHD-DCA
25h 44m3 stops
£719Multiple Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
Multiple Airlines Logo
16:10 - 13:40DCA-BHD
16h 30m2 stops
Multiple Airlines Logo
07:05 - 22:27BHD-DCA
44h 22m3 stops
£871Multiple Airlines
Find Deal
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
11:05 - 20:50DCA-BHD
28h 45m3 stops
Multiple Airlines Logo
07:20 - 19:45BHD-DCA
41h 25m3 stops
£943Multiple Airlines
Find Deal
Fri, 28 Nov - Fri, 5 Dec
British Airways Logo
17:24 - 13:55DCA-BHD
15h 31m2 stops
British Airways Logo
06:35 - 16:53BHD-DCA
15h 18m2 stops
£1,128British Airways
Find Deal
Sun, 23 Nov - Sat, 29 Nov

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
16 Mar
DCA18:59Washington, D.C. Reagan-National
15h 16m
2 stops
BHD14:15Belfast City
22 Mar
BHD12:10Belfast City
14h 36m
2 stops
DCA22:46Washington, D.C. Reagan-National
£499
Find similar
American Airlines
1 Apr
DCA17:23Washington, D.C. Reagan-National
13h 32m
2 stops
BHD11:55Belfast City
5 Apr
BHD15:50Belfast City
23h 15m
2 stops
DCA10:05Washington, D.C. Reagan-National
£663
Find similar

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Belfast flight tickets
Delta
12 Nov
DCA17:30Washington, D.C. Reagan-National
18h 20m
2 stops
BHD16:50Belfast City
16 Nov
BHD06:30Belfast City
16h 30m
2 stops
DCA18:00Washington, D.C. Reagan-National
£508
Find similar
Delta
12 Nov
DCA12:36Washington, D.C. Reagan-National
23h 14m
2 stops
BHD16:50Belfast City
16 Nov
BHD06:30Belfast City
16h 30m
2 stops
DCA18:00Washington, D.C. Reagan-National
£508
Find similar
Delta
1 Apr
DCA17:00Washington, D.C. Reagan-National
18h 55m
2 stops
BHD16:55Belfast City
5 Apr
BHD06:30Belfast City
21h 38m
2 stops
DCA23:08Washington, D.C. Reagan-National
£527
Find similar

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 31 October 2025.
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

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 16/3

18:59-14:15

2 stops15h 16m

Belfast City

Sun 22/3

12:10-22:46

2 stops14h 36m

£499

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 12/11

17:30-16:50

2 stops18h 20m

Belfast City

Sun 16/11

06:30-18:00

2 stops16h 30m

£508

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 12/11

12:36-16:50

2 stops23h 14m

Belfast City

Sun 16/11

06:30-18:00

2 stops16h 30m

£508

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 1/4

17:00-16:55

2 stops18h 55m

Belfast City

Sun 5/4

06:30-23:08

2 stops21h 38m

£527

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 28/3

16:04-09:10

2 stops13h 06m

Belfast City

Sun 5/4

06:50-19:13

2 stops17h 23m

£601

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 1/4

17:23-11:55

2 stops13h 32m

Belfast City

Sun 5/4

15:50-10:05

2 stops23h 15m

£663

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 28/11

17:42-09:10

2 stops34h 28m

Belfast City

Fri 5/12

11:05-07:49

3 stops25h 44m

£719

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 26/4

16:10-13:40

2 stops16h 30m

Belfast City

Sun 3/5

07:05-22:27

3 stops44h 22m

£871

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 28/11

11:05-20:50

3 stops28h 45m

Belfast City

Fri 5/12

07:20-19:45

3 stops41h 25m

£943

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 23/11

17:24-13:55

2 stops15h 31m

Belfast City

Sat 29/11

06:35-16:53

2 stops15h 18m

£1,128

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Direct flights

None
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.
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  • 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 06m.

  • 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.

  • How do I get Price Alerts for flights from Washington, D.C. Reagan-National Airport to Belfast?

    Price Alerts will notify you by email when the price for flights to Belfast from Washington, D.C. Reagan-National Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Washington, D.C. Reagan-National Airport to Belfast with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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