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Cheap flights from Washington, D.C. to Belfast from $411

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 7:10 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
18h 30m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
7:40 pm - 7:05 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
28h 25m3 stops Birmingham Alicante Casablanca Mohamed V
$807Multiple Airlines
Mon, Nov 23 - Tue, Dec 8
Multiple Airlines Logo
7:40 pm - 10:20 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 40m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
6:25 am - 6:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
17h 05m2 stops London Gatwick Reykjavik Keflavik Intl
$827Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 2:05 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
13h 25m2 stops Reykjavik Keflavik Intl Amsterdam Schiphol
Multiple Airlines Logo
7:00 am - 6:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
16h 30m2 stops Amsterdam Schiphol Reykjavik Keflavik Intl
$831Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 9:45 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 05m3 stops Reykjavik Keflavik Intl Gdansk Rebiechowo London Stansted
Multiple Airlines Logo
6:25 am - 6:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
17h 05m2 stops London Gatwick Reykjavik Keflavik Intl
$924Multiple Airlines
Wed, Dec 9 - Wed, Dec 16
Multiple Airlines Logo
7:40 pm - 9:40 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 00m3 stops Reykjavik Keflavik Intl Oslo Gardermoen Manchester
Multiple Airlines Logo
7:05 pm - 6:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
28h 25m3 stops London Stansted Kastrup Copenhagen Reykjavik Keflavik Intl
$958Multiple Airlines
Sun, Jan 24 - Sat, Feb 13
Multiple Airlines Logo
7:40 pm - 6:35 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
17h 55m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen London Stansted
Multiple Airlines Logo
6:00 am - 7:05 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
18h 05m2 stops Alicante Casablanca Mohamed V
$960Multiple Airlines
Fri, Dec 11 - Fri, Dec 18
Multiple Airlines Logo
8:45 pm - 5:20 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
15h 35m2 stops Dublin Bristol
Multiple Airlines Logo
7:20 pm - 7:00 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
28h 40m3 stops London Luton Barcelona-El Prat Casablanca Mohamed V
$963Multiple Airlines
Tue, Apr 13 - Tue, Apr 20
Multiple Airlines Logo
7:40 pm - 9:40 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
21h 00m2 stops Reykjavik Keflavik Intl Manchester
Multiple Airlines Logo
7:05 pm - 6:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
28h 25m3 stops London Stansted Kastrup Copenhagen Reykjavik Keflavik Intl
$974Multiple Airlines
Sun, Jan 24 - Sat, Feb 13
Multiple Airlines Logo
6:40 pm - 11:30 amIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
11h 50m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
7:05 am - 4:30 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
14h 25m1 stop Paris Charles de Gaulle
$986Multiple Airlines
Mon, Nov 23 - Tue, Dec 8
Multiple Airlines Logo
7:40 pm - 8:55 pmIAD  Washington, D.C. Dulles Intl-BFS Belfast Intl
20h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
7:05 pm - 8:35 pmBFS  Belfast Intl-IAD Washington, D.C. Dulles Intl
30h 30m3 stops London Stansted Barcelona-El Prat Lisbon Humberto Delgado
$996Multiple Airlines
Sat, Dec 12 - Sat, Dec 19

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Use the filters below to find and compare flights from Washington, D.C. to Belfast Intl Airport that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Mon 11/23

7:40 pm-7:10 pm

2 stops18h 30m

Belfast Intl

Tue 12/8

7:40 pm-7:05 pm

3 stops28h 25m

$807

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Wed 12/9

7:40 pm-10:20 pm

2 stops21h 40m

Belfast Intl

Wed 12/16

6:25 am-6:30 pm

2 stops17h 05m

$827

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Wed 12/9

7:40 pm-2:05 pm

2 stops13h 25m

Belfast Intl

Wed 12/16

7:00 am-6:30 pm

2 stops16h 30m

$831

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Wed 12/9

7:40 pm-9:45 pm

3 stops21h 05m

Belfast Intl

Wed 12/16

6:25 am-6:30 pm

2 stops17h 05m

$924

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Sun 1/24

7:40 pm-9:40 pm

3 stops21h 00m

Belfast Intl

Sat 2/13

7:05 pm-6:30 pm

3 stops28h 25m

$958

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Fri 12/11

7:40 pm-6:35 pm

3 stops17h 55m

Belfast Intl

Fri 12/18

6:00 am-7:05 pm

2 stops18h 05m

$960

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Tue 4/13

8:45 pm-5:20 pm

2 stops15h 35m

Belfast Intl

Tue 4/20

7:20 pm-7:00 pm

3 stops28h 40m

$963

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Sun 1/24

7:40 pm-9:40 pm

2 stops21h 00m

Belfast Intl

Sat 2/13

7:05 pm-6:30 pm

3 stops28h 25m

$974
Quickest round-trip

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Mon 11/23

6:40 pm-11:30 am

1 stop11h 50m

Belfast Intl

Tue 12/8

7:05 am-4:30 pm

1 stop14h 25m

$986

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BFS Belfast Intl

IADBFS

Washington, D.C. Dulles Intl

Sat 12/12

7:40 pm-8:55 pm

2 stops20h 15m

Belfast Intl

Sat 12/19

7:05 pm-8:35 pm

3 stops30h 30m

$996

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Washington, D.C. to Belfast Intl Airport

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

How long does it take to fly to Belfast Intl Airport?

On average, it takes 11h 25m to fly from Washington, D.C. to Belfast Intl Airport if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Belfast Intl Airport (the most popular airport in Belfast Intl Airport). If you’re flying out of Baltimore and into Belfast Intl Airport, then the flight time is around 14h 20m.

When to book flights from Washington, D.C. to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Belfast Intl Airport (WAS to BFS) flight deals and tips

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

Best Price Found

$411

Fastest flight time

10h 20m

Direct flights

None
The best one-way flight to Belfast Intl Airport from Washington, D.C. in the past 72 hours is $411. The best round-trip flight deal from Washington, D.C. to Belfast Intl Airport found on momondo in the last 72 hours is $807.
The fastest flight from Washington, D.C. to Belfast Intl Airport takes 10h 20m
There are no direct flights from Washington, D.C. to Belfast Intl Airport. There are no popular flight routes from Washington, D.C. to Belfast Intl Airport.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Belfast Intl Airport

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

    A flight from Washington, D.C. to Belfast Intl will travel around 3361.5 mi. Typically, this will take 10h 20m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. to Belfast Intl Airport refresh daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Belfast Intl Airport.

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

    The necessary travel and health documents for your Belfast Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Belfast Intl Airport?

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newry
Armagh
Ballymena
Dungannon

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Belfast. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Belfast from Washington, D.C. with this policy.

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?

Yes momondo offers price alerts on flights to Belfast from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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