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Cheap flights from Washington, D.C. to Belfast from £389

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 19/7. 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 return train or bus tickets from Washington, D.C. to Belfast.

All return flight deals from Washington, D.C. to Belfast

The cheapest plane tickets from Washington, D.C. to Belfast found on KAYAK recently.
18:50 - 19:15BWI-BFS
19h 25m2 stops
06:00 - 17:40BFS-BWI
16h 40m2 stops
Tue, 8 Apr - Thu, 1 May
22:40 - 15:35IAD-BHD
11h 55m1 stop
06:50 - 15:50BHD-IAD
14h 00m1 stop
£499British Airways
Find Deal
Wed, 2 Apr - Wed, 16 Apr
21:30 - 14:10BWI-BHD
12h 40m1 stop
19:30 - 19:35BHD-BWI
29h 05m1 stop
£502British Airways
Find Deal
Mon, 24 Mar - Mon, 31 Mar
19:30 - 16:35IAD-BHD
16h 05m2 stops
08:40 - 15:35BHD-IAD
11h 55m1 stop
£504American Airlines
Find Deal
Wed, 19 Feb - Tue, 25 Feb
17:27 - 11:55IAD-BHD
13h 28m2 stops
13:50 - 20:10BHD-IAD
11h 20m1 stop
£507American Airlines
Find Deal
Wed, 2 Apr - Wed, 16 Apr
17:35 - 16:50IAD-BHD
18h 15m1 stop
06:30 - 15:45BHD-IAD
14h 15m1 stop
£529KLM
Find Deal
Wed, 19 Feb - Tue, 25 Feb
17:35 - 16:50IAD-BHD
18h 15m1 stop
17:20 - 15:45BHD-IAD
27h 25m1 stop
£542KLM
Find Deal
Wed, 19 Feb - Sun, 23 Feb
16:45 - 16:55BWI-BHD
19h 10m2 stops
06:30 - 16:29BHD-BWI
14h 59m2 stops
£567Delta
Find Deal
Tue, 8 Apr - Thu, 1 May
20:30 - 16:35BWI-BHD
15h 05m1 stop
15:05 - 18:45BHD-BWI
32h 40m1 stop
£667Finnair
Find Deal
Wed, 19 Feb - Tue, 25 Feb
15:28 - 16:50BWI-BHD
21h 22m2 stops
06:30 - 18:56BHD-BWI
16h 26m2 stops
£1,795Delta
Find Deal
Sun, 16 Mar - Sun, 23 Mar
22:45 - 17:15IAD-BHD
13h 30m1 stop
£389British Airways
Find Deal
Sat, 19 Jul
14:06 - 12:15IAD-BHD
17h 09m2 stops
£393British Airways
Find Deal
Sat, 19 Jul
21:20 - 15:05BWI-BHD
12h 45m1 stop
£394British Airways
Find Deal
Sat, 19 Jul
16:30 - 10:10DCA-BHD
12h 40m2 stops
£395British Airways
Find Deal
Sat, 19 Jul
12:35 - 17:15IAD-BHD
23h 40m3 stops
Sat, 19 Jul
13:30 - 12:40IAD-BHD
18h 10m2 stops
Sun, 22 Jun
21:20 - 17:40BWI-BHD
15h 20m2 stops
£517British Airways
Find Deal
Sat, 19 Jul
17:40 - 17:45IAD-BHD
19h 05m3 stops
Sun, 22 Jun
19:25 - 11:30IAD-BHD
11h 05m1 stop
£589British Airways
Find Deal
Sun, 22 Jun
21:20 - 13:05BWI-BHD
10h 45m1 stop
£602British Airways
Find Deal
Sun, 22 Jun

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

Our best British Airways deals on Washington, D.C. to Belfast flight tickets
British Airways
2 Apr
IAD22:40Washington, D.C. Dulles Intl
11h 55m
1 stop
BHD15:35Belfast City
16 Apr
BHD06:50Belfast City
14h 00m
1 stop
IAD15:50Washington, D.C. Dulles Intl
British Airways
24 Mar
BWI21:30Baltimore/Washington
12h 40m
1 stop
BHD14:10Belfast City
31 Mar
BHD19:30Belfast City
29h 05m
1 stop
BWI19:35Baltimore/Washington
British Airways
2 Apr
BWI21:20Baltimore/Washington
11h 10m
1 stop
BHD13:30Belfast City
16 Apr
BHD10:00Belfast City
14h 35m
1 stop
BWI19:35Baltimore/Washington

American Airlines flights from Washington, D.C. to Belfast

Our best American Airlines deals on Washington, D.C. to Belfast flight tickets
American Airlines
19 Feb
IAD19:30Washington, D.C. Dulles Intl
16h 05m
2 stops
BHD16:35Belfast City
25 Feb
BHD08:40Belfast City
11h 55m
1 stop
IAD15:35Washington, D.C. Dulles Intl
American Airlines
2 Apr
IAD17:27Washington, D.C. Dulles Intl
13h 28m
2 stops
BHD11:55Belfast City
16 Apr
BHD13:50Belfast City
11h 20m
1 stop
IAD20:10Washington, D.C. Dulles Intl
American Airlines
19 Feb
IAD13:48Washington, D.C. Dulles Intl
15h 17m
2 stops
BHD10:05Belfast City
25 Feb
BHD09:55Belfast City
18h 58m
2 stops
IAD23:53Washington, 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 typical price of a round-trip flight between Washington, D.C. and Belfast?

What is the cheapest month to fly to Belfast?

The cheapest month to fly to Belfast from Washington, D.C. is in October. Flight prices, which tend to average around £505, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £529.

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

£389

Fastest flight time

9h 55m

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 £389. The best return flight deal from Washington, D.C. to Belfast found on momondo in the last 72 hours is £487.
The fastest flight from Washington, D.C. to Belfast takes 9h 55m
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 City Airport and Washington, D.C. Reagan-National Airport - Belfast City 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 9h 55m 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