When did momondo last update prices for flights from Belfast to District of Columbia?

Prices for flights from Belfast to District of Columbia were last updated today.

How old do you have to be to fly from Belfast to District of Columbia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The necessary travel and health documents for your District of Columbia 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.

£357 Cheap Flights from Belfast to District of Columbia in 2026

Find the cheapest flights from Belfast to District of Columbia

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:10 - 19:20

BFS

IAD

18h 10m

2 stops

20:30 - 20:35

IAD

BFS

19h 05m

2 stops

£569Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

21:40 - 14:15

BFS

IAD

45h 35m

3 stops

20:30 - 21:30

IAD

BFS

20h 00m

2 stops

£591Multiple Airlines

Sun, 13 Sep - Sun, 20 Sep

06:55 - 14:25

BFS

IAD

36h 30m

3 stops

20:30 - 23:05

IAD

BFS

21h 35m

2 stops

£600Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

20:15 - 14:15

BFS

IAD

47h 00m

3 stops

23:20 - 21:50

IAD

BFS

17h 30m

2 stops

£608Multiple Airlines

Fri, 11 Sep - Fri, 18 Sep

07:05 - 20:20

BHD

IAD

18h 15m

1 stop

21:30 - 15:05

IAD

BHD

12h 35m

1 stop

£647British Airways

Sat, 29 Aug - Sat, 5 Sep

06:30 - 20:20

BHD

IAD

18h 50m

1 stop

22:25 - 15:40

IAD

BHD

12h 15m

1 stop

£653British Airways

Wed, 26 Aug - Wed, 2 Sep

21:40 - 05:20

BFS

IAD

36h 40m

3 stops

20:30 - 23:35

IAD

BFS

22h 05m

3 stops

£655Multiple Airlines

Sun, 13 Sep - Sun, 20 Sep

05:55 - 21:48

BFS

DCA

20h 53m

3 stops

06:59 - 15:55

DCA

BFS

27h 56m

2 stops

£655Multiple Airlines

Wed, 26 Aug - Wed, 2 Sep

08:20 - 21:50

BFS

DCA

18h 30m

3 stops

11:00 - 18:55

DCA

BFS

26h 55m

3 stops

£655Multiple Airlines

Thu, 10 Sep - Thu, 17 Sep

05:55 - 21:48

BFS

DCA

20h 53m

3 stops

06:00 - 15:55

DCA

BFS

28h 55m

3 stops

£657Multiple Airlines

Wed, 26 Aug - Wed, 2 Sep

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British Airways flights from Belfast to District of Columbia

Our best British Airways deals on Belfast to District of Columbia flight tickets

British Airways

29 Aug

BHD07:05Belfast City

18h 15m

1 stop

IAD20:20Washington, D.C. Dulles Intl

5 Sept

IAD21:30Washington, D.C. Dulles Intl

12h 35m

1 stop

BHD15:05Belfast City

£647

British Airways

26 Aug

BHD06:30Belfast City

18h 50m

1 stop

IAD20:20Washington, D.C. Dulles Intl

2 Sept

IAD22:25Washington, D.C. Dulles Intl

12h 15m

1 stop

BHD15:40Belfast City

£653

British Airways

4 Sept

BHD20:10Belfast City

24h 20m

2 stops

IAD15:30Washington, D.C. Dulles Intl

8 Sept

IAD13:23Washington, D.C. Dulles Intl

16h 22m

2 stops

BHD10:45Belfast City

£669

Delta flights from Belfast to District of Columbia

Our best Delta deals on Belfast to District of Columbia flight tickets

Delta

29 Aug

BHD09:50Belfast City

10h 45m

1 stop

IAD15:35Washington, D.C. Dulles Intl

5 Sept

IAD12:29Washington, D.C. Dulles Intl

15h 46m

2 stops

BHD09:15Belfast City

£693

Delta

28 Aug

BHD09:50Belfast City

18h 36m

2 stops

IAD23:26Washington, D.C. Dulles Intl

4 Sept

IAD12:30Washington, D.C. Dulles Intl

23h 25m

2 stops

BHD16:55Belfast City

£736

momondo Fare Finder

Use the filters below to find and compare flights from Belfast to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 10/9

06:10-19:20

2 stops18h 10m

Washington, D.C. Dulles Intl

Thu 17/9

20:30-20:35

2 stops19h 05m

£569

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 13/9

21:40-14:15

3 stops45h 35m

Washington, D.C. Dulles Intl

Sun 20/9

20:30-21:30

2 stops20h 00m

£591

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 10/9

06:55-14:25

3 stops36h 30m

Washington, D.C. Dulles Intl

Thu 17/9

20:30-23:05

2 stops21h 35m

£600

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 11/9

20:15-14:15

3 stops47h 00m

Washington, D.C. Dulles Intl

Fri 18/9

23:20-21:50

2 stops17h 30m

£608

Fastest return journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 29/8

07:05-20:20

1 stop18h 15m

Washington, D.C. Dulles Intl

Sat 5/9

21:30-15:05

1 stop12h 35m

£647

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 26/8

06:30-20:20

1 stop18h 50m

Washington, D.C. Dulles Intl

Wed 2/9

22:25-15:40

1 stop12h 15m

£653

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Sun 13/9

21:40-05:20

3 stops36h 40m

Washington, D.C. Dulles Intl

Sun 20/9

20:30-23:35

3 stops22h 05m

£655

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Wed 26/8

05:55-21:48

3 stops20h 53m

Washington, D.C. Reagan-National

Wed 2/9

06:59-15:55

2 stops27h 56m

£655

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Thu 10/9

08:20-21:50

3 stops18h 30m

Washington, D.C. Reagan-National

Thu 17/9

11:00-18:55

3 stops26h 55m

£655

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Wed 26/8

05:55-21:48

3 stops20h 53m

Washington, D.C. Reagan-National

Wed 2/9

06:00-15:55

3 stops28h 55m

£657

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 Belfast to District of Columbia

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 cheapest airline that flies from Belfast to District of Columbia?

Aer Lingus, KLM, and American Airlines are the most popular carriers operating from Belfast to District of Columbia

Cheap Belfast to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to District of Columbia

Fastest flight time	14h 25m
Direct flights	None

The fastest flight from Belfast to District of Columbia takes 14h 25m

There are no direct flights from Belfast to District of Columbia. There are no popular flight routes from Belfast to District of Columbia.

Search flight deals

Frequently asked questions about flying from Belfast to District of Columbia

When did momondo last update prices for flights from Belfast to District of Columbia?
Prices for flights from Belfast to District of Columbia were last updated today.
How old do you have to be to fly from Belfast to District of Columbia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The necessary travel and health documents for your District of Columbia 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.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to District of Columbia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to District of Columbia. momondo saves you time and could save you money on your trip.

Can I find flights from Belfast to District of Columbia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to District of Columbia from Belfast with this policy.

How can momondo help me find flights from Belfast to District of Columbia?

momondo provides multiple filters to help you find the best flight to District of Columbia from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Belfast to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Belfast to District of Columbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.