How old do you have to be to fly from Belfast to Washington, D.C. Dulles Intl Airport?

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 Belfast to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£320 Cheap Flights from Belfast to Washington, D.C. Dulles Intl Airport in 2026

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

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:55 - 16:05BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

35h 10m2 stops London Gatwick Paris Charles de Gaulle

18:15 - 20:15IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

21h 00m2 stops Paris Charles de Gaulle London Gatwick

£591Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

10:10 - 14:45BHD Belfast City-IAD Washington, D.C. Dulles Intl

33h 35m2 stops London Gatwick Lisbon Humberto Delgado

17:25 - 18:55IAD Washington, D.C. Dulles Intl-BHD Belfast City

20h 30m2 stops Lisbon Humberto Delgado London Gatwick

£617Multiple Airlines

Mon, 21 Dec - Sat, 9 Jan

10:15 - 14:45BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

33h 30m2 stops London Gatwick Lisbon Humberto Delgado

17:25 - 17:50IAD Washington, D.C. Dulles Intl-BFS Belfast Intl

19h 25m2 stops Lisbon Humberto Delgado London Gatwick

£617Multiple Airlines

Mon, 21 Dec - Sat, 9 Jan

11:40 - 19:55BHD Belfast City-IAD Washington, D.C. Dulles Intl

13h 15m1 stop London Heathrow

21:45 - 16:45IAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 00m1 stop London Heathrow

£651British Airways

Mon, 21 Dec - Sat, 9 Jan

17:05 - 17:00BFS Belfast Intl-IAD Washington, D.C. Dulles Intl

28h 55m3 stops Manchester Stockholm Arlanda Kastrup Copenhagen

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

20h 10m2 stops Kastrup Copenhagen Manchester

£653Multiple Airlines

Sun, 4 Oct - Sun, 11 Oct

06:35 - 15:40BHD Belfast City-IAD Washington, D.C. Dulles Intl

14h 05m1 stop London Heathrow

21:45 - 16:45IAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 00m1 stop London Heathrow

£666British Airways

Sat, 19 Dec - Sat, 9 Jan

20:00 - 16:20BHD Belfast City-IAD Washington, D.C. Dulles Intl

25h 20m2 stops London Heathrow Madrid Barajas

11:34 - 10:50IAD Washington, D.C. Dulles Intl-BHD Belfast City

18h 16m2 stops Charlotte Douglas London Heathrow

£687British Airways

Thu, 21 Jan - Mon, 25 Jan

20:00 - 16:20BHD Belfast City-IAD Washington, D.C. Dulles Intl

25h 20m2 stops London Heathrow Madrid Barajas

11:34 - 10:50IAD Washington, D.C. Dulles Intl-BHD Belfast City

18h 16m2 stops Charlotte Douglas London Heathrow

£688British Airways

Thu, 21 Jan - Mon, 25 Jan

11:05 - 16:20BHD Belfast City-IAD Washington, D.C. Dulles Intl

34h 15m2 stops London Heathrow Madrid Barajas

21:45 - 17:25IAD Washington, D.C. Dulles Intl-BHD Belfast City

14h 40m1 stop London Heathrow

£688British Airways

Thu, 21 Jan - Mon, 25 Jan

08:50 - 19:55BHD Belfast City-IAD Washington, D.C. Dulles Intl

16h 05m1 stop London Heathrow

18:05 - 10:50IAD Washington, D.C. Dulles Intl-BHD Belfast City

11h 45m1 stop London Heathrow

£699British Airways

Thu, 21 Jan - Mon, 25 Jan

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British Airways flights from Belfast to Washington, D.C. Dulles Intl Airport

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

British Airways

21 Dec

BHD11:40Belfast City

13h 15m

1 stop

IAD19:55Washington, D.C. Dulles Intl

9 Jan

IAD21:45Washington, D.C. Dulles Intl

14h 00m

1 stop

BHD16:45Belfast City

£651

British Airways

19 Dec

BHD06:35Belfast City

14h 05m

1 stop

IAD15:40Washington, D.C. Dulles Intl

9 Jan

IAD21:45Washington, D.C. Dulles Intl

14h 00m

1 stop

BHD16:45Belfast City

£666

British Airways

21 Jan

BHD20:00Belfast City

25h 20m

2 stops

IAD16:20Washington, D.C. Dulles Intl

25 Jan

IAD11:34Washington, D.C. Dulles Intl

18h 16m

2 stops

BHD10:50Belfast City

£687

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Sun 4/10

09:55-16:05

2 stops35h 10m

Washington, D.C. Dulles Intl

Sun 11/10

18:15-20:15

2 stops21h 00m

£591

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Mon 21/12

10:10-14:45

2 stops33h 35m

Washington, D.C. Dulles Intl

Sat 9/1

17:25-18:55

2 stops20h 30m

£617

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Mon 21/12

10:15-14:45

2 stops33h 30m

Washington, D.C. Dulles Intl

Sat 9/1

17:25-17:50

2 stops19h 25m

£617

Fastest return journey

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Mon 21/12

11:40-19:55

1 stop13h 15m

Washington, D.C. Dulles Intl

Sat 9/1

21:45-16:45

1 stop14h 00m

£651

BelfastWashington, D.C.

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

BFSIAD

Belfast Intl

Sun 4/10

17:05-17:00

3 stops28h 55m

Washington, D.C. Dulles Intl

Sun 11/10

20:20-21:30

2 stops20h 10m

£653

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Sat 19/12

06:35-15:40

1 stop14h 05m

Washington, D.C. Dulles Intl

Sat 9/1

21:45-16:45

1 stop14h 00m

£666

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 21/1

20:00-16:20

2 stops25h 20m

Washington, D.C. Dulles Intl

Mon 25/1

11:34-10:50

2 stops18h 16m

£687

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 21/1

20:00-16:20

2 stops25h 20m

Washington, D.C. Dulles Intl

Mon 25/1

11:34-10:50

2 stops18h 16m

£688

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 21/1

11:05-16:20

2 stops34h 15m

Washington, D.C. Dulles Intl

Mon 25/1

21:45-17:25

1 stop14h 40m

£688

BelfastWashington, D.C.

BHD Belfast City - IAD Washington, D.C. Dulles Intl

BHDIAD

Belfast City

Thu 21/1

08:50-19:55

1 stop16h 05m

Washington, D.C. Dulles Intl

Mon 25/1

18:05-10:50

1 stop11h 45m

£699

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl?

British Airways is the most popular carrier operating from Belfast to Washington, D.C. Dulles Intl

Cheap Belfast to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Washington, D.C. Dulles Intl Airport

Best price found	£320
Fastest flight time	33h 30m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Belfast in the past 72 hours is £320. The best return flight deal from Belfast to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is £591.

The fastest flight from Belfast to Washington, D.C. Dulles Intl Airport takes 33h 30m

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

Search flight deals

Frequently asked questions about flying from Belfast to Washington, D.C. Dulles Intl Airport

How far is Belfast to Washington, D.C. Dulles Intl by plane?
A flight from Belfast to Washington, D.C. Dulles Intl will travel around 3387.7 mi. By plane, this route typically takes 33h 30m.
When did momondo last update prices for flights from Belfast to Washington, D.C. Dulles Intl Airport?
Prices for flights from Belfast to Washington, D.C. Dulles Intl Airport are updated daily.
How old do you have to be to fly from Belfast to Washington, D.C. Dulles Intl Airport?
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 Belfast to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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