Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from £704

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 2/9. 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 Belfast

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
15:49 - 13:35
DCA
-
BHD
16h 46m
2 stops
American Airlines Logo
06:30 - 19:15
BHD
-
DCA
17h 45m
2 stops
£704American Airlines
Wed, 2 Sep - Tue, 15 Sep
British Airways Logo
16:43 - 10:45
DCA
-
BHD
13h 02m
2 stops
British Airways Logo
09:35 - 20:20
BHD
-
DCA
15h 45m
2 stops
£731British Airways
Tue, 19 May - Thu, 28 May
British Airways Logo
19:17 - 12:55
DCA
-
BHD
12h 38m
2 stops
British Airways Logo
09:35 - 21:23
BHD
-
DCA
16h 48m
2 stops
£770British Airways
Mon, 10 Aug - Thu, 13 Aug
Multiple Airlines Logo
09:40 - 15:55
DCA
-
BFS
25h 15m
3 stops
Multiple Airlines Logo
07:35 - 19:58
BFS
-
DCA
17h 23m
3 stops
£777Multiple Airlines
Wed, 29 Apr - Wed, 6 May
British Airways Logo
14:54 - 10:10
DCA
-
BHD
14h 16m
2 stops
British Airways Logo
09:35 - 21:23
BHD
-
DCA
16h 48m
2 stops
£780British Airways
Thu, 27 Aug - Sat, 5 Sep
British Airways Logo
22:00 - 14:35
DCA
-
BHD
35h 35m
2 stops
British Airways Logo
06:30 - 16:45
BHD
-
DCA
15h 15m
2 stops
£787British Airways
Sat, 9 May - Sun, 17 May
British Airways Logo
17:31 - 15:30
DCA
-
BHD
16h 59m
2 stops
British Airways Logo
11:00 - 22:29
BHD
-
DCA
16h 29m
2 stops
£788British Airways
Fri, 8 May - Sun, 17 May
British Airways Logo
17:30 - 15:30
DCA
-
BHD
17h 00m
2 stops
British Airways Logo
11:00 - 21:23
BHD
-
DCA
15h 23m
2 stops
£803British Airways
Fri, 7 Aug - Sun, 30 Aug
KLM Logo
19:38 - 16:55
DCA
-
BHD
16h 17m
2 stops
KLM Logo
17:30 - 17:07
BHD
-
DCA
28h 37m
2 stops
£841KLM
Sun, 26 Apr - Tue, 12 May
Multiple Airlines Logo
06:00 - 15:15
DCA
-
BFS
28h 15m
3 stops
Multiple Airlines Logo
21:55 - 15:30
BFS
-
DCA
22h 35m
3 stops
£847Multiple Airlines
Tue, 31 Mar - Mon, 6 Apr

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
2 Sept
DCA15:49Washington, D.C. Reagan-National
16h 46m
2 stops
BHD13:35Belfast City
15 Sept
BHD06:30Belfast City
17h 45m
2 stops
DCA19:15Washington, D.C. Reagan-National
£704
American Airlines
14 Jul
DCA16:38Washington, D.C. Reagan-National
13h 07m
2 stops
BHD10:45Belfast City
24 Jul
BHD09:35Belfast City
16h 16m
2 stops
DCA20:51Washington, D.C. Reagan-National
£925
American Airlines
24 May
DCA14:24Washington, D.C. Reagan-National
15h 06m
2 stops
BHD10:30Belfast City
31 May
BHD11:00Belfast City
15h 59m
2 stops
DCA21:59Washington, D.C. Reagan-National
£1,054

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

Our best KLM deals on Washington, D.C. Reagan-National Airport to Belfast flight tickets
KLM
26 Apr
DCA19:38Washington, D.C. Reagan-National
16h 17m
2 stops
BHD16:55Belfast City
12 May
BHD17:30Belfast City
28h 37m
2 stops
DCA17:07Washington, D.C. Reagan-National
£841
KLM
18 Jun
DCA13:30Washington, D.C. Reagan-National
14h 50m
2 stops
BHD09:20Belfast City
6 Jul
BHD09:50Belfast City
17h 00m
2 stops
DCA21:50Washington, D.C. Reagan-National
£1,918
KLM
19 Jun
DCA19:30Washington, D.C. Reagan-National
16h 25m
2 stops
BHD16:55Belfast City
6 Jul
BHD09:50Belfast City
17h 00m
2 stops
DCA21:50Washington, D.C. Reagan-National
£2,199

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 19 March 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

Wed 2/9

15:49-13:35

2 stops16h 46m

Belfast City

Tue 15/9

06:30-19:15

2 stops17h 45m

£704
Fastest return journey

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 19/5

16:43-10:45

2 stops13h 02m

Belfast City

Thu 28/5

09:35-20:20

2 stops15h 45m

£731

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 10/8

19:17-12:55

2 stops12h 38m

Belfast City

Thu 13/8

09:35-21:23

2 stops16h 48m

£770

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 29/4

09:40-15:55

3 stops25h 15m

Belfast Intl

Wed 6/5

07:35-19:58

3 stops17h 23m

£777

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 27/8

14:54-10:10

2 stops14h 16m

Belfast City

Sat 5/9

09:35-21:23

2 stops16h 48m

£780

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 9/5

22:00-14:35

2 stops35h 35m

Belfast City

Sun 17/5

06:30-16:45

2 stops15h 15m

£787

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 8/5

17:31-15:30

2 stops16h 59m

Belfast City

Sun 17/5

11:00-22:29

2 stops16h 29m

£788

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 7/8

17:30-15:30

2 stops17h 00m

Belfast City

Sun 30/8

11:00-21:23

2 stops15h 23m

£803

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 26/4

19:38-16:55

2 stops16h 17m

Belfast City

Tue 12/5

17:30-17:07

2 stops28h 37m

£841

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 31/3

06:00-15:15

3 stops28h 15m

Belfast Intl

Mon 6/4

21:55-15:30

3 stops22h 35m

£847

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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?

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

13h 40m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Belfast takes 13h 40m
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.
  • 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 40m.

  • 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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1 adult
Sat 18/4
Sat 25/4

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