How do I get Price Alerts for flights from Belfast Intl Airport to District of Columbia?

Search flight deals from Belfast Intl Airport to District of Columbia . While viewing offers you’ll have the option to create a Price Alert.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport 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.

£586 Cheap Flights from Belfast Intl Airport to District of Columbia in 2026

Find the cheapest flights from Belfast Intl Airport to District of Columbia

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Cheap return flights

Enter your travel dates to find the best prices.

06:10 - 19:35BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

18h 25m2 stops London Gatwick Paris Charles de Gaulle

21:45 - 19:20IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

16h 35m2 stops Paris Charles de Gaulle London Gatwick

£586Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

07:05 - 19:25BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

17h 20m2 stops Manchester Dublin

17:15 - 21:20IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

23h 05m2 stops Dublin Manchester

£635Multiple Airlines

Fri, 4 Sep - Tue, 8 Sep

06:05 - 11:20BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

34h 15m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Island

17:05 - 15:15IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

17h 10m2 stops Lisbon Humberto Delgado Manchester

£650Multiple Airlines

Fri, 4 Sep - Tue, 8 Sep

21:10 - 21:24BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

29h 14m2 stops London Gatwick Toronto Pearson Intl

23:20 - 21:00IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

16h 40m2 stops Reykjavik Keflavik Intl Glasgow Intl

£652Multiple Airlines

Sun, 20 Sep - Sun, 27 Sep

21:10 - 21:14BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

29h 04m3 stops London Gatwick Toronto Pearson Intl Ottawa

23:20 - 21:00IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

16h 40m2 stops Reykjavik Keflavik Intl Glasgow Intl

£653Multiple Airlines

Sun, 20 Sep - Sun, 27 Sep

07:00 - 15:55BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

37h 55m3 stops London Luton Madrid Barajas San Salvador El Salvador Intl

20:30 - 21:30IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

20h 00m2 stops Reykjavik Keflavik Intl Manchester

£672Multiple Airlines

Sun, 6 Sep - Sun, 13 Sep

09:35 - 19:25BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

14h 50m2 stops Birmingham Dublin

17:15 - 23:35IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

25h 20m2 stops Dublin Birmingham

£690Multiple Airlines

Sun, 6 Sep - Sun, 13 Sep

21:40 - 05:20BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

36h 40m3 stops Birmingham Madrid Barajas Bogotá El Dorado

11:25 - 19:20IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

26h 55m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl London Gatwick

£702Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

21:10 - 21:14BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

29h 04m3 stops London Gatwick Toronto Pearson Intl Ottawa

23:20 - 21:55IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

17h 35m3 stops Reykjavik Keflavik Intl Glasgow Intl London Stansted

£712Multiple Airlines

Sun, 20 Sep - Sun, 27 Sep

06:10 - 20:25BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

19h 15m2 stops London Gatwick Toronto Pearson Intl

11:25 - 19:20IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

26h 55m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl London Gatwick

£744Multiple Airlines

Thu, 24 Sep - Thu, 1 Oct

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Thu 24/9

06:10-19:35

2 stops18h 25m

Washington, D.C. Dulles Intl

Thu 1/10

21:45-19:20

2 stops16h 35m

£586

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Fri 4/9

07:05-19:25

2 stops17h 20m

Washington, D.C. Dulles Intl

Tue 8/9

17:15-21:20

2 stops23h 05m

£635

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Fri 4/9

06:05-11:20

3 stops34h 15m

Washington, D.C. Dulles Intl

Tue 8/9

17:05-15:15

2 stops17h 10m

£650

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Sun 20/9

21:10-21:24

2 stops29h 14m

Washington, D.C. Dulles Intl

Sun 27/9

23:20-21:00

2 stops16h 40m

£652

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Sun 20/9

21:10-21:14

3 stops29h 04m

Washington, D.C. Dulles Intl

Sun 27/9

23:20-21:00

2 stops16h 40m

£653

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Sun 6/9

07:00-15:55

3 stops37h 55m

Washington, D.C. Dulles Intl

Sun 13/9

20:30-21:30

2 stops20h 00m

£672

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Sun 6/9

09:35-19:25

2 stops14h 50m

Washington, D.C. Dulles Intl

Sun 13/9

17:15-23:35

2 stops25h 20m

£690

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Thu 24/9

21:40-05:20

3 stops36h 40m

Washington, D.C. Dulles Intl

Thu 1/10

11:25-19:20

3 stops26h 55m

£702

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Sun 20/9

21:10-21:14

3 stops29h 04m

Washington, D.C. Dulles Intl

Sun 27/9

23:20-21:55

3 stops17h 35m

£712

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Thu 24/9

06:10-20:25

2 stops19h 15m

Washington, D.C. Dulles Intl

Thu 1/10

11:25-19:20

3 stops26h 55m

£744

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Belfast Intl Airport to District of Columbia flight deals and tips

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

Fastest flight time	14h 55m
Direct flights	None

The fastest flight from Belfast Intl Airport to District of Columbia takes 14h 55m

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

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Frequently asked questions about flying from Belfast Intl Airport to District of Columbia

When did momondo last update prices for flights from Belfast Intl Airport to District of Columbia?
Prices for flights from Belfast Intl Airport to District of Columbia refresh daily.
How old do you have to be to fly from Belfast Intl Airport to District of Columbia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport 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.

Frequently asked questions about flying from Belfast Intl Airport to District of Columbia

How do I get Price Alerts for flights from Belfast Intl Airport to District of Columbia?
Search flight deals from Belfast Intl Airport to District of Columbia. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Belfast Intl Airport to District of Columbia with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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. All flights to District of Columbia from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Belfast and District of Columbia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Belfast to District of Columbia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to District of Columbia and let you know when they change.