What is the cheapest airline that flies from Belfast to Washington, D.C.?

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

When did momondo last update prices for flights from Belfast to Washington, D.C.?

Prices for flights from Belfast to Washington, D.C. refresh daily.

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

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 to Washington, D.C..

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

The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£298 Cheap Flights from Belfast to Washington, D.C. in 2025/26

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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 05:00BFS-IAD

27h 30m3 stops

22:30 - 22:00IAD-BFS

18h 30m2 stops

£717Multiple Airlines

Find Deal

Fri, 28 Nov - Fri, 5 Dec

15:05 - 15:35BHD-IAD

29h 30m1 stop

18:20 - 10:40IAD-BHD

11h 20m1 stop

£724American Airlines

Find Deal

Thu, 13 Nov - Mon, 17 Nov

09:05 - 19:55BHD-IAD

15h 50m1 stop

17:29 - 16:05IAD-BHD

17h 36m2 stops

£726American Airlines

Find Deal

Thu, 20 Nov - Mon, 24 Nov

06:35 - 19:55BHD-IAD

18h 20m1 stop

18:20 - 10:40IAD-BHD

11h 20m1 stop

£727American Airlines

Find Deal

Thu, 20 Nov - Mon, 24 Nov

09:05 - 15:35BHD-IAD

11h 30m1 stop

21:45 - 14:15IAD-BHD

11h 30m1 stop

£727British Airways

Find Deal

Thu, 20 Nov - Mon, 24 Nov

06:30 - 05:00BFS-IAD

27h 30m3 stops

09:45 - 15:10IAD-BFS

24h 25m3 stops

£807Multiple Airlines

Find Deal

Fri, 28 Nov - Fri, 5 Dec

06:30 - 15:35BHD-IAD

14h 05m1 stop

19:59 - 21:20IAD-BHD

20h 21m2 stops

£1,248Virgin Atlantic

Find Deal

Wed, 1 Apr - Sun, 5 Apr

06:30 - 11:53BHD-IAD

34h 23m2 stops

19:59 - 21:20IAD-BHD

20h 21m2 stops

£1,252Virgin Atlantic

Find Deal

Wed, 1 Apr - Sun, 5 Apr

17:25 - 10:25BHD-DCA

22h 00m2 stops

17:00 - 16:55DCA-BHD

18h 55m2 stops

£1,255Delta

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Wed, 1 Apr - Sun, 5 Apr

06:30 - 21:54BHD-DCA

20h 24m2 stops

17:00 - 21:20DCA-BHD

23h 20m2 stops

£1,257Delta

Find Deal

Wed, 1 Apr - Sun, 5 Apr

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

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

American Airlines

13 Nov

BHD15:05Belfast City

29h 30m

1 stop

IAD15:35Washington, D.C. Dulles Intl

17 Nov

IAD18:20Washington, D.C. Dulles Intl

11h 20m

1 stop

BHD10:40Belfast City

£724

Find similar

American Airlines

20 Nov

BHD09:05Belfast City

15h 50m

1 stop

IAD19:55Washington, D.C. Dulles Intl

24 Nov

IAD17:29Washington, D.C. Dulles Intl

17h 36m

2 stops

BHD16:05Belfast City

£726

Find similar

American Airlines

20 Nov

BHD06:35Belfast City

18h 20m

1 stop

IAD19:55Washington, D.C. Dulles Intl

24 Nov

IAD18:20Washington, D.C. Dulles Intl

11h 20m

1 stop

BHD10:40Belfast City

£727

Find similar

Virgin Atlantic flights from Belfast to Washington, D.C.

Our best Virgin Atlantic deals on Belfast to Washington, D.C. flight tickets

Virgin Atlantic

1 Apr

BHD06:30Belfast City

14h 05m

1 stop

IAD15:35Washington, D.C. Dulles Intl

5 Apr

IAD19:59Washington, D.C. Dulles Intl

20h 21m

2 stops

BHD21:20Belfast City

£1,248

Find similar

Virgin Atlantic

1 Apr

BHD06:30Belfast City

34h 23m

2 stops

IAD11:53Washington, D.C. Dulles Intl

5 Apr

IAD19:59Washington, D.C. Dulles Intl

20h 21m

2 stops

BHD21:20Belfast City

£1,252

Find similar

Virgin Atlantic

1 Apr

BHD06:30Belfast City

14h 05m

1 stop

IAD15:35Washington, D.C. Dulles Intl

5 Apr

IAD17:50Washington, D.C. Dulles Intl

22h 30m

1 stop

BHD21:20Belfast City

£1,278

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 28/11

06:30-05:00

3 stops27h 30m

Washington, D.C. Dulles Intl

Fri 5/12

22:30-22:00

2 stops18h 30m

£717

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 13/11

15:05-15:35

1 stop29h 30m

Washington, D.C. Dulles Intl

Mon 17/11

18:20-10:40

1 stop11h 20m

£724

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

09:05-19:55

1 stop15h 50m

Washington, D.C. Dulles Intl

Mon 24/11

17:29-16:05

2 stops17h 36m

£726

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

06:35-19:55

1 stop18h 20m

Washington, D.C. Dulles Intl

Mon 24/11

18:20-10:40

1 stop11h 20m

£727

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 20/11

09:05-15:35

1 stop11h 30m

Washington, D.C. Dulles Intl

Mon 24/11

21:45-14:15

1 stop11h 30m

£727

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 28/11

06:30-05:00

3 stops27h 30m

Washington, D.C. Dulles Intl

Fri 5/12

09:45-15:10

3 stops24h 25m

£807

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

06:30-15:35

1 stop14h 05m

Washington, D.C. Dulles Intl

Sun 5/4

19:59-21:20

2 stops20h 21m

£1,248

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 1/4

06:30-11:53

2 stops34h 23m

Washington, D.C. Dulles Intl

Sun 5/4

19:59-21:20

2 stops20h 21m

£1,252

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 1/4

17:25-10:25

2 stops22h 00m

Washington, D.C. Reagan-National

Sun 5/4

17:00-16:55

2 stops18h 55m

£1,255

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 1/4

06:30-21:54

2 stops20h 24m

Washington, D.C. Reagan-National

Sun 5/4

17:00-21:20

2 stops23h 20m

£1,257

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

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

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

Airlines

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Belfast is on a Friday. momondo users have found tickets for Friday departures for as low as £743. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Belfast because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,050.

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

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

Direct flights	None

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

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How far is Belfast to Washington, D.C. by plane?
Belfast and Washington, D.C. are 3373.5 mi apart from one another. By plane, this route typically takes 11h 30m.
When did momondo last update prices for flights from Belfast to Washington, D.C.?
Prices for flights from Belfast to Washington, D.C. refresh daily.
How old do you have to be to fly from Belfast to Washington, D.C.?
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 to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Laurel

College Park

Alexandria

Fairfax

Linthicum Heights

Bethesda

Gettysburg

Cambridge

Ellicott City

Westminster

Arlington

Woodbridge

Owings Mills

Silver Spring

National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Washington, D.C.?

Finding the right flight to Washington, D.C. from Belfast 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 Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Belfast to Washington, D.C. with flexible booking policies on momondo?

Flights from Belfast to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Belfast to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Belfast.

I’m not ready to book a flight from Belfast to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Belfast and alert you when they change.