How long does it take to fly to Belfast?

Flight times from Washington, D.C. to Belfast vary, but if you’re flying out of Washington, D.C. and flying into Belfast Intl Airport (one of the most popular routes), then the duration is 12h on average. Another popular route from Washington, D.C. to Belfast is flying from Baltimore to Belfast Intl Airport, which will take roughly 12h 40m. Keep in mind that layovers or delays could extend your travel time.

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.

£187 Cheap Flights from Washington, D.C. to Belfast in 2025/26

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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

19:40 - 20:10

IAD

BFS

19h 30m2 stops

06:30 - 18:30

BFS

IAD

17h 00m2 stops

£460Multiple Airlines

Mon, 2 Feb - Mon, 9 Feb

21:45 - 16:45

IAD

BHD

14h 00m1 stop

10:00 - 19:55

BHD

IAD

14h 55m1 stop

£463British Airways

Tue, 27 Jan - Tue, 3 Feb

20:35 - 14:50

BWI

BHD

13h 15m1 stop

19:25 - 18:45

BHD

BWI

28h 20m1 stop

£463British Airways

Tue, 27 Jan - Tue, 3 Feb

18:20 - 10:15

IAD

BHD

10h 55m1 stop

08:45 - 15:35

BHD

IAD

11h 50m1 stop

£465British Airways

Wed, 28 Jan - Tue, 3 Mar

20:35 - 14:00

BWI

BHD

12h 25m1 stop

09:10 - 18:45

BHD

BWI

14h 35m1 stop

£465British Airways

Thu, 5 Feb - Sun, 8 Feb

18:20 - 09:10

IAD

BHD

9h 50m1 stop

08:45 - 15:35

BHD

IAD

11h 50m1 stop

£469British Airways

Wed, 28 Jan - Tue, 3 Mar

13:08 - 10:30

IAD

BHD

16h 22m2 stops

11:30 - 23:12

BHD

IAD

16h 42m2 stops

£491American Airlines

Tue, 27 Jan - Mon, 2 Feb

18:37 - 18:40

BWI

BHD

19h 03m2 stops

08:45 - 22:57

BHD

BWI

19h 12m2 stops

£491American Airlines

Tue, 17 Feb - Tue, 24 Feb

17:00 - 16:50

DCA

BHD

18h 50m2 stops

17:20 - 16:19

BHD

DCA

27h 59m2 stops

£509Delta

Mon, 2 Feb - Tue, 10 Feb

19:30 - 16:50

DCA

BHD

16h 20m2 stops

17:20 - 17:04

BHD

DCA

28h 44m2 stops

£758KLM

Wed, 4 Feb - Sat, 7 Feb

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

Our best British Airways deals on Washington, D.C. to Belfast flight tickets

British Airways

27 Jan

IAD21:45Washington, D.C. Dulles Intl

14h 00m

1 stop

BHD16:45Belfast City

3 Feb

BHD10:00Belfast City

14h 55m

1 stop

IAD19:55Washington, D.C. Dulles Intl

£463

Find similar

British Airways

28 Jan

IAD18:20Washington, D.C. Dulles Intl

9h 50m

1 stop

BHD09:10Belfast City

3 Mar

BHD08:45Belfast City

11h 50m

1 stop

IAD15:35Washington, D.C. Dulles Intl

£469

Find similar

British Airways

22 Apr

BWI21:30Baltimore/Washington

11h 00m

1 stop

BHD13:30Belfast City

29 Apr

BHD10:00Belfast City

14h 40m

1 stop

BWI19:40Baltimore/Washington

£475

Find similar

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

Our best American Airlines deals on Washington, D.C. to Belfast flight tickets

American Airlines

27 Jan

IAD13:08Washington, D.C. Dulles Intl

16h 22m

2 stops

BHD10:30Belfast City

3 Feb

BHD08:45Belfast City

19h 27m

2 stops

IAD23:12Washington, D.C. Dulles Intl

£491

Find similar

American Airlines

22 Apr

BWI14:11Baltimore/Washington

18h 19m

2 stops

BHD13:30Belfast City

29 Apr

BHD06:50Belfast City

17h 50m

1 stop

BWI19:40Baltimore/Washington

£496

Find similar

American Airlines

22 Apr

BWI14:11Baltimore/Washington

18h 19m

2 stops

BHD13:30Belfast City

29 Apr

BHD10:00Belfast City

16h 32m

2 stops

BWI21:32Baltimore/Washington

£503

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Mon 2/2

19:40-20:10

2 stops19h 30m

Belfast Intl

Mon 9/2

06:30-18:30

2 stops17h 00m

£460

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 27/1

21:45-16:45

1 stop14h 00m

Belfast City

Tue 3/2

10:00-19:55

1 stop14h 55m

£463

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 27/1

20:35-14:50

1 stop13h 15m

Belfast City

Tue 3/2

19:25-18:45

1 stop28h 20m

£463

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 28/1

18:20-10:15

1 stop10h 55m

Belfast City

Tue 3/3

08:45-15:35

1 stop11h 50m

£465

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Thu 5/2

20:35-14:00

1 stop12h 25m

Belfast City

Sun 8/2

09:10-18:45

1 stop14h 35m

£465

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 28/1

18:20-09:10

1 stop9h 50m

Belfast City

Tue 3/3

08:45-15:35

1 stop11h 50m

£469

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 27/1

13:08-10:30

2 stops16h 22m

Belfast City

Mon 2/2

11:30-23:12

2 stops16h 42m

£491

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Tue 17/2

18:37-18:40

2 stops19h 03m

Belfast City

Tue 24/2

08:45-22:57

2 stops19h 12m

£491

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 2/2

17:00-16:50

2 stops18h 50m

Belfast City

Tue 10/2

17:20-16:19

2 stops27h 59m

£509

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 4/2

19:30-16:50

2 stops16h 20m

Belfast City

Sat 7/2

17:20-17:04

2 stops28h 44m

£758

Flights are sorted by cheapest return flights first.

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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

Airlines

Other information

What is the cheapest airline that flies from Washington, D.C. to Belfast?

KLM and British Airways are the most popular carriers operating from Washington, D.C. to 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

Fastest flight time	9h 50m
Direct flights	None

The fastest flight from Washington, D.C. to Belfast takes 9h 50m

There are no direct flights from Washington, D.C. to Belfast. There are no popular flight routes from Washington, D.C. to Belfast.

Search flight deals

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 50m 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.