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 Baltimore and flying into Belfast Intl Airport (one of the most popular routes), then the duration is 12h 25m on average. Another popular route from Washington, D.C. to Belfast is flying from Washington, D.C. to Belfast Intl Airport, which will take roughly 15h 18m. 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.

£460 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

Last minute

Cheap return flights

22:45 - 18:15IAD-BHD

14h 30m1 stop

11:55 - 20:15BHD-IAD

13h 20m1 stop

£462American Airlines

Find Deal

ven., 3 oct. - ven., 10 oct.

18:20 - 10:30IAD-BHD

11h 10m1 stop

12:25 - 19:55BHD-IAD

12h 30m1 stop

£465British Airways

Find Deal

mar., 6 janv. - mer., 14 janv.

17:45 - 23:45IAD-BFS

25h 00m3 stops

21:00 - 15:20BFS-IAD

47h 20m3 stops

£473Multiple Airlines

Find Deal

lun., 13 oct. - lun., 20 oct.

22:20 - 23:00IAD-BFS

19h 40m2 stops

21:00 - 15:20BFS-IAD

47h 20m3 stops

£510Multiple Airlines

Find Deal

lun., 13 oct. - lun., 20 oct.

17:25 - 16:55IAD-BHD

18h 30m1 stop

06:30 - 15:35BHD-IAD

14h 05m1 stop

£519Delta

Find Deal

lun., 6 oct. - lun., 20 oct.

19:35 - 16:55IAD-BHD

16h 20m2 stops

06:30 - 15:35BHD-IAD

14h 05m1 stop

£520KLM

Find Deal

lun., 6 oct. - lun., 20 oct.

12:11 - 21:00IAD-BHD

27h 49m2 stops

17:20 - 16:05BHD-IAD

27h 45m1 stop

£522Delta

Find Deal

mer., 12 nov. - dim., 16 nov.

17:30 - 21:00DCA-BHD

22h 30m2 stops

06:30 - 17:00BHD-DCA

15h 30m2 stops

£529Virgin Atlantic

Find Deal

mer., 12 nov. - dim., 16 nov.

06:10 - 16:50IAD-BHD

29h 40m2 stops

17:20 - 23:02BHD-IAD

34h 42m2 stops

£574Virgin Atlantic

Find Deal

mar., 6 janv. - mer., 14 janv.

19:35 - 16:50DCA-BHD

16h 15m2 stops

06:30 - 16:38BHD-DCA

15h 08m2 stops

£683KLM

Find Deal

mar., 25 nov. - ven., 28 nov.

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

Our best Aer Lingus deals on Washington, D.C. to Belfast flight tickets

Aer Lingus

13 Oct

IAD20:25Washington, D.C. Dulles Intl

12h 20m

2 stops

BHD13:45Belfast City

20 Oct

BHD09:50Belfast City

14h 05m

2 stops

IAD18:55Washington, D.C. Dulles Intl

£678

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Aer Lingus

6 Oct

IAD20:25Washington, D.C. Dulles Intl

12h 20m

2 stops

BHD13:45Belfast City

20 Oct

BHD09:50Belfast City

14h 05m

2 stops

IAD18:55Washington, D.C. Dulles Intl

£690

Find similar

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 Jan

IAD18:20Washington, D.C. Dulles Intl

11h 10m

1 stop

BHD10:30Belfast City

14 Jan

BHD12:25Belfast City

12h 30m

1 stop

IAD19:55Washington, D.C. Dulles Intl

£465

Find similar

British Airways

13 Oct

DCA12:19Washington, D.C. Reagan-National

19h 36m

2 stops

BHD12:55Belfast City

20 Oct

BHD06:40Belfast City

18h 36m

2 stops

DCA20:16Washington, D.C. Reagan-National

£529

Find similar

British Airways

12 Nov

IAD18:20Washington, D.C. Dulles Intl

9h 50m

1 stop

BHD09:10Belfast City

16 Nov

BHD10:40Belfast City

14h 15m

1 stop

IAD19:55Washington, D.C. Dulles Intl

£548

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

ven. 3/10

22:45-18:15

1 stop14h 30m

Belfast City

ven. 10/10

11:55-20:15

1 stop13h 20m

£462

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mar. 6/1

18:20-10:30

1 stop11h 10m

Belfast City

mer. 14/1

12:25-19:55

1 stop12h 30m

£465

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

lun. 13/10

17:45-23:45

3 stops25h 00m

Belfast Intl

lun. 20/10

21:00-15:20

3 stops47h 20m

£473

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

lun. 13/10

22:20-23:00

2 stops19h 40m

Belfast Intl

lun. 20/10

21:00-15:20

3 stops47h 20m

£510

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

lun. 6/10

17:25-16:55

1 stop18h 30m

Belfast City

lun. 20/10

06:30-15:35

1 stop14h 05m

£519

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

lun. 6/10

19:35-16:55

2 stops16h 20m

Belfast City

lun. 20/10

06:30-15:35

1 stop14h 05m

£520

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mer. 12/11

12:11-21:00

2 stops27h 49m

Belfast City

dim. 16/11

17:20-16:05

1 stop27h 45m

£522

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

mer. 12/11

17:30-21:00

2 stops22h 30m

Belfast City

dim. 16/11

06:30-17:00

2 stops15h 30m

£529

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mar. 6/1

06:10-16:50

2 stops29h 40m

Belfast City

mer. 14/1

17:20-23:02

2 stops34h 42m

£574

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

mar. 25/11

19:35-16:50

2 stops16h 15m

Belfast City

ven. 28/11

06:30-16:38

2 stops15h 08m

£683

Flights are sorted by cheapest return flights first.

Sorted 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

Prices

Other information

What is the cheapest month to fly to Belfast?

The cheapest month to fly to Belfast from Washington, D.C. is in February. Flight prices, which tend to average around £453, 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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £455.

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

Direct flights	None

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

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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.