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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from £325

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 28/1. 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.
British Airways Logo
22:15 - 08:25
DCA
-
BHD
29h 10m2 stops
British Airways Logo
10:00 - 21:30
BHD
-
DCA
16h 30m2 stops
£481British Airways
Thu, 15 Jan - Tue, 20 Jan
British Airways Logo
13:44 - 10:40
DCA
-
BHD
16h 56m2 stops
British Airways Logo
20:25 - 16:37
BHD
-
DCA
24h 12m2 stops
£500British Airways
Mon, 16 Mar - Sun, 22 Mar
British Airways Logo
19:59 - 16:05
DCA
-
BHD
16h 06m2 stops
British Airways Logo
06:30 - 18:48
BHD
-
DCA
16h 18m2 stops
£596British Airways
Mon, 16 Mar - Sun, 22 Mar
British Airways Logo
13:35 - 10:15
DCA
-
BHD
15h 40m2 stops
British Airways Logo
06:30 - 23:00
BHD
-
DCA
21h 30m2 stops
£642British Airways
Wed, 11 Feb - Sun, 15 Feb
Multiple Airlines Logo
11:05 - 14:00
DCA
-
BFS
21h 55m2 stops
Multiple Airlines Logo
06:30 - 08:55
BFS
-
DCA
31h 25m3 stops
£768Multiple Airlines
Sun, 1 Feb - Sun, 8 Feb
Multiple Airlines Logo
09:40 - 14:40
DCA
-
BFS
24h 00m3 stops
Multiple Airlines Logo
10:35 - 08:55
BFS
-
DCA
27h 20m3 stops
£1,148Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
16:15 - 19:25
DCA
-
BFS
22h 10m2 stops
Multiple Airlines Logo
07:30 - 21:58
BFS
-
DCA
19h 28m2 stops
£1,203Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
09:40 - 14:40
DCA
-
BFS
24h 00m3 stops
Multiple Airlines Logo
07:30 - 21:58
BFS
-
DCA
19h 28m2 stops
£1,996Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb

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
15 Jan
DCA22:15Washington, D.C. Reagan-National
29h 10m
2 stops
BHD08:25Belfast City
20 Jan
BHD10:00Belfast City
16h 30m
2 stops
DCA21:30Washington, D.C. Reagan-National
£481
Find similar
British Airways
16 Mar
DCA13:44Washington, D.C. Reagan-National
16h 56m
2 stops
BHD10:40Belfast City
22 Mar
BHD20:25Belfast City
24h 12m
2 stops
DCA16:37Washington, D.C. Reagan-National
£500
Find similar
British Airways
16 Mar
DCA19:59Washington, D.C. Reagan-National
16h 06m
2 stops
BHD16:05Belfast City
22 Mar
BHD06:30Belfast City
16h 18m
2 stops
DCA18:48Washington, D.C. Reagan-National
£596
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 18 December 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

Thu 15/1

22:15-08:25

2 stops29h 10m

Belfast City

Tue 20/1

10:00-21:30

2 stops16h 30m

£481

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 16/3

13:44-10:40

2 stops16h 56m

Belfast City

Sun 22/3

20:25-16:37

2 stops24h 12m

£500

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 16/3

19:59-16:05

2 stops16h 06m

Belfast City

Sun 22/3

06:30-18:48

2 stops16h 18m

£596

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/2

13:35-10:15

2 stops15h 40m

Belfast City

Sun 15/2

06:30-23:00

2 stops21h 30m

£642

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 1/2

11:05-14:00

2 stops21h 55m

Belfast Intl

Sun 8/2

06:30-08:55

3 stops31h 25m

£768

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 30/1

09:40-14:40

3 stops24h 00m

Belfast Intl

Fri 6/2

10:35-08:55

3 stops27h 20m

£1,148

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 30/1

16:15-19:25

2 stops22h 10m

Belfast Intl

Fri 6/2

07:30-21:58

2 stops19h 28m

£1,203

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 30/1

09:40-14:40

3 stops24h 00m

Belfast Intl

Fri 6/2

07:30-21:58

2 stops19h 28m

£1,996

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 28/1

18:34-14:15

2 stops14h 41m

£325

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 19/2

16:35-10:20

2 stops12h 45m

£362

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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?

British Airways is the most popular carrier 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

12h 36m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Belfast takes 12h 36m
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 12h 36m.

  • 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