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 11h 58m 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.

£190 Cheap Flights from Washington, D.C. to Belfast in 2026

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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 - 17:55

IAD

BFS

17h 15m

2 stops

06:30 - 19:30

BFS

IAD

17h 00m

2 stops

£399Multiple Airlines

Wed, 4 Mar - Thu, 12 Mar

19:40 - 17:55

IAD

BFS

17h 15m

2 stops

06:30 - 19:30

BFS

IAD

17h 00m

2 stops

£401Multiple Airlines

Wed, 4 Mar - Thu, 12 Mar

19:40 - 19:00

IAD

BHD

18h 20m

2 stops

07:25 - 19:30

BHD

IAD

16h 05m

2 stops

£410Multiple Airlines

Wed, 4 Mar - Thu, 12 Mar

18:20 - 10:20

IAD

BHD

11h 00m

1 stop

06:30 - 15:35

BHD

IAD

14h 05m

1 stop

£472British Airways

Sun, 1 Mar - Sun, 8 Mar

18:20 - 09:10

IAD

BHD

9h 50m

1 stop

06:35 - 16:35

BHD

IAD

14h 00m

1 stop

£472British Airways

Wed, 4 Mar - Thu, 12 Mar

18:05 - 16:50

IAD

BHD

17h 45m

1 stop

06:30 - 17:05

BHD

IAD

14h 35m

1 stop

£477Virgin Atlantic

Wed, 4 Mar - Thu, 12 Mar

13:54 - 10:15

DCA

BHD

15h 21m

2 stops

10:40 - 22:24

BHD

DCA

15h 44m

2 stops

£483American Airlines

Wed, 4 Mar - Thu, 12 Mar

14:03 - 10:40

IAD

BHD

15h 37m

2 stops

06:35 - 20:30

BHD

IAD

17h 55m

2 stops

£486American Airlines

Mon, 2 Mar - Mon, 9 Mar

19:52 - 16:50

IAD

BHD

39h 58m

2 stops

06:30 - 17:05

BHD

IAD

14h 35m

1 stop

£492Virgin Atlantic

Wed, 4 Mar - Thu, 12 Mar

15:39 - 16:50

BWI

BHD

20h 11m

2 stops

06:30 - 19:19

BHD

BWI

16h 49m

2 stops

£492KLM

Wed, 4 Mar - Thu, 12 Mar

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

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

British Airways

1 Mar

IAD18:20Washington, D.C. Dulles Intl

11h 00m

1 stop

BHD10:20Belfast City

8 Mar

BHD06:30Belfast City

14h 05m

1 stop

IAD15:35Washington, D.C. Dulles Intl

£472

British Airways

4 Mar

IAD18:20Washington, D.C. Dulles Intl

9h 50m

1 stop

BHD09:10Belfast City

12 Mar

BHD06:35Belfast City

14h 00m

1 stop

IAD16:35Washington, D.C. Dulles Intl

£472

British Airways

4 Mar

IAD18:20Washington, D.C. Dulles Intl

9h 50m

1 stop

BHD09:10Belfast City

12 Mar

BHD06:35Belfast City

14h 00m

1 stop

IAD16:35Washington, D.C. Dulles Intl

£474

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

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

Scandinavian Airlines

24 Jul

IAD12:30Washington, D.C. Dulles Intl

15h 50m

2 stops

BHD09:20Belfast City

3 Aug

BHD17:30Belfast City

27h 05m

1 stop

IAD15:35Washington, D.C. Dulles Intl

£675

Scandinavian Airlines

23 Jul

IAD12:30Washington, D.C. Dulles Intl

15h 50m

2 stops

BHD09:20Belfast City

3 Aug

BHD17:30Belfast City

27h 05m

1 stop

IAD15:35Washington, D.C. Dulles Intl

£734

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 4/3

19:40-17:55

2 stops17h 15m

Belfast Intl

Thu 12/3

06:30-19:30

2 stops17h 00m

£399

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 4/3

19:40-17:55

2 stops17h 15m

Belfast Intl

Thu 12/3

06:30-19:30

2 stops17h 00m

£401

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

19:40-19:00

2 stops18h 20m

Belfast City

Thu 12/3

07:25-19:30

2 stops16h 05m

£410

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 1/3

18:20-10:20

1 stop11h 00m

Belfast City

Sun 8/3

06:30-15:35

1 stop14h 05m

£472

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

18:20-09:10

1 stop9h 50m

Belfast City

Thu 12/3

06:35-16:35

1 stop14h 00m

£472

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

18:05-16:50

1 stop17h 45m

Belfast City

Thu 12/3

06:30-17:05

1 stop14h 35m

£477

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 4/3

13:54-10:15

2 stops15h 21m

Belfast City

Thu 12/3

10:40-22:24

2 stops15h 44m

£483

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 2/3

14:03-10:40

2 stops15h 37m

Belfast City

Mon 9/3

06:35-20:30

2 stops17h 55m

£486

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 4/3

19:52-16:50

2 stops39h 58m

Belfast City

Thu 12/3

06:30-17:05

1 stop14h 35m

£492

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Wed 4/3

15:39-16:50

2 stops20h 11m

Belfast City

Thu 12/3

06:30-19:19

2 stops16h 49m

£492

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

British Airways and KLM 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.