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Cheap flights from Washington, D.C. to Belfast from £309

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. to Belfast departing on 11/12. 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. to Belfast

Cheap return flights

These are some of the best return flight deals from Washington, D.C. to Belfast that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Belfast.

Cheap last-minute flights

Planning a quick getaway from Washington, D.C. to Belfast? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Belfast, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Washington, D.C. to Belfast

Find recent round-trip train or bus tickets from Washington, D.C. to Belfast.

All round-trip flight deals to Belfast

The cheapest plane tickets to Belfast found on KAYAK recently.
18:10 - 13:45BWI-BFS
14h 35m2 stops
06:00 - 17:00BFS-BWI
16h 00m2 stops
Mon, 24 Feb - Fri, 7 Mar
19:10 - 13:45IAD-BFS
14h 35m2 stops
06:00 - 18:00BFS-IAD
16h 00m2 stops
Mon, 10 Mar - Tue, 18 Mar
21:55 - 14:15IAD-BHD
11h 20m1 stop
11:30 - 19:45BHD-IAD
13h 15m1 stop
£489British Airways
Find Deal
Fri, 6 Dec - Tue, 10 Dec
21:55 - 13:35IAD-BHD
10h 40m1 stop
19:25 - 15:35BHD-IAD
25h 10m1 stop
£490British Airways
Find Deal
Tue, 21 Jan - Tue, 28 Jan
20:00 - 16:15IAD-BHD
15h 15m2 stops
11:30 - 19:45BHD-IAD
13h 15m1 stop
£492American Airlines
Find Deal
Mon, 9 Dec - Mon, 16 Dec
21:55 - 16:40IAD-BHD
13h 45m1 stop
06:35 - 19:45BHD-IAD
18h 10m1 stop
£497American Airlines
Find Deal
Thu, 9 Jan - Mon, 13 Jan
17:35 - 21:00IAD-BHD
22h 25m1 stop
17:20 - 15:45BHD-IAD
27h 25m1 stop
£517Delta
Find Deal
Fri, 6 Dec - Sat, 14 Dec
17:35 - 16:50IAD-BHD
18h 15m2 stops
17:20 - 15:45BHD-IAD
27h 25m1 stop
£521Delta
Find Deal
Mon, 9 Dec - Sun, 15 Dec
18:10 - 14:15IAD-BHD
16h 05m2 stops
15:05 - 16:40BHD-IAD
29h 35m2 stops
£643Aer Lingus
Find Deal
Sat, 15 Mar - Sat, 22 Mar
18:10 - 13:35IAD-BHD
15h 25m2 stops
20:25 - 16:40BHD-IAD
24h 15m2 stops
£659Aer Lingus
Find Deal
Sun, 16 Mar - Sun, 23 Mar
21:55 - 14:15IAD-BHD
11h 20m1 stop
£309British Airways
Find Deal
Wed, 11 Dec
18:50 - 09:55IAD-BFS
34h 05m2 stops
Thu, 15 May
21:55 - 20:15IAD-BHD
17h 20m1 stop
£315British Airways
Find Deal
Wed, 11 Dec
18:50 - 15:40IAD-BHD
15h 50m2 stops
Thu, 15 May
18:50 - 23:00BWI-BFS
23h 10m2 stops
Thu, 15 May
11:40 - 16:50IAD-BHD
24h 10m2 stops
£372Delta
Find Deal
Wed, 11 Dec
17:10 - 11:00DCA-BHD
12h 50m2 stops
£377American Airlines
Find Deal
Thu, 15 May
17:25 - 21:20IAD-BHD
22h 55m1 stop
£400Delta
Find Deal
Thu, 15 May
21:20 - 15:35BWI-BHD
13h 15m1 stop
£460Iberia
Find Deal
Thu, 15 May
18:30 - 16:50IAD-BHD
17h 20m2 stops
£1,135Air France
Find Deal
Sat, 30 Nov
21:55 - 13:55IAD-BHD
11h 00m1 stop
06:30 - 19:28BHD-IAD
17h 58m2 stops
£492British Airways
Find Deal
Sun, 24 Nov - Sat, 7 Dec
21:55 - 13:55IAD-BHD
11h 00m1 stop
18:50 - 19:45BHD-IAD
29h 55m1 stop
£499British Airways
Find Deal
Sun, 24 Nov - Sat, 7 Dec
17:04 - 16:50IAD-BHD
18h 46m2 stops
06:30 - 17:34BHD-IAD
16h 04m2 stops
£523Delta
Find Deal
Sun, 24 Nov - Sat, 7 Dec
21:55 - 17:15IAD-BHD
14h 20m1 stop
06:35 - 15:35BHD-IAD
14h 00m1 stop
£587American Airlines
Find Deal
Fri, 22 Nov - Mon, 25 Nov
21:55 - 17:15IAD-BHD
14h 20m1 stop
06:35 - 17:18BHD-IAD
15h 43m2 stops
£595American Airlines
Find Deal
Fri, 22 Nov - Mon, 25 Nov
20:30 - 19:15BWI-BHD
17h 45m1 stop
06:35 - 18:45BHD-BWI
17h 10m1 stop
£617British Airways
Find Deal
Fri, 22 Nov - Mon, 25 Nov
18:30 - 16:50IAD-BHD
17h 20m2 stops
06:30 - 17:34BHD-IAD
16h 04m2 stops
Sun, 24 Nov - Sat, 7 Dec
21:55 - 09:05IAD-BFS
30h 10m1 stop
06:00 - 16:56BFS-IAD
39h 56m2 stops
Sun, 24 Nov - Sat, 7 Dec
21:55 - 19:40IAD-BHD
16h 45m1 stop
09:10 - 15:35BHD-IAD
11h 25m1 stop
£1,322Iberia
Find Deal
Sat, 23 Nov - Mon, 25 Nov
18:00 - 10:20IAD-BHD
11h 20m1 stop
09:10 - 19:45BHD-IAD
15h 35m1 stop
£1,514Iberia
Find Deal
Sun, 24 Nov - Sat, 7 Dec

Aer Lingus flights from Washington, D.C. to Belfast

Our best Aer Lingus deals on Washington, D.C. to Belfast flight tickets
Aer Lingus
15 Mar
IAD18:10Washington, D.C. Dulles Intl
16h 05m
2 stops
BHD14:15Belfast City
22 Mar
BHD15:05Belfast City
29h 35m
2 stops
IAD16:40Washington, D.C. Dulles Intl
Aer Lingus
16 Mar
IAD18:10Washington, D.C. Dulles Intl
15h 25m
2 stops
BHD13:35Belfast City
23 Mar
BHD20:25Belfast City
24h 15m
2 stops
IAD16:40Washington, D.C. Dulles Intl
Aer Lingus
29 Dec
IAD17:10Washington, D.C. Dulles Intl
16h 25m
2 stops
BHD14:35Belfast City
8 Jan
BHD19:25Belfast City
25h 15m
2 stops
IAD15:40Washington, D.C. Dulles Intl

British Airways flights from Washington, D.C. to Belfast

Our best British Airways deals on Washington, D.C. to Belfast flight tickets
British Airways
6 Dec
IAD21:55Washington, D.C. Dulles Intl
11h 20m
1 stop
BHD14:15Belfast City
10 Dec
BHD11:30Belfast City
13h 15m
1 stop
IAD19:45Washington, D.C. Dulles Intl
British Airways
21 Jan
IAD21:55Washington, D.C. Dulles Intl
10h 40m
1 stop
BHD13:35Belfast City
28 Jan
BHD19:25Belfast City
25h 10m
1 stop
IAD15:35Washington, D.C. Dulles Intl
British Airways
24 Nov
IAD21:55Washington, D.C. Dulles Intl
11h 00m
1 stop
BHD13:55Belfast City
7 Dec
BHD06:30Belfast City
17h 58m
2 stops
IAD19:28Washington, D.C. Dulles Intl

See travel insights to Belfast from

How to get the cheapest flight ticket from Washington, D.C. 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 month to fly from Washington, D.C. to Belfast?

October. The cheapest time of year to fly to Belfast from Washington, D.C. is October. The most expensive is June.

What is the cheapest Washington, D.C. to Belfast flight route?

Washington, D.C. Dulles Intl - Belfast Intl. Fly from Washington, D.C. Dulles Intl to Belfast Intl for the best Washington, D.C. - Belfast flight prices

Can stopping save me money on Washington, D.C. to Belfast flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Belfast.

What is the typical price of a round-trip flight between Washington, D.C. and Belfast?


Cheap Washington, D.C. to Belfast flight deals and tips

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

Best price found

£309

Fastest flight time

10h 05m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from Washington, D.C. in the past 72 hours is £309. The best return flight deal from Washington, D.C. to Belfast found on momondo in the last 72 hours is £399.
The fastest flight from Washington, D.C. to Belfast takes 10h 05m
There are no direct flights from Washington, D.C. to Belfast. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Belfast City Airport, Baltimore/Washington Airport - Belfast Intl Airport and Washington, D.C. Dulles Intl Airport - Belfast Intl Airport.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)

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

    There are 3373.5 mi between Washington, D.C. and Belfast. Typically, this will take 10h 05m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. 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. to Belfast.

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

    The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Belfast?

Finding the right flight to Belfast from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

Yes. All flights to Belfast from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Belfast right now. Can momondo alert me if prices change?

Price alerts on flights to Belfast from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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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