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

Aer Lingus and British Airways are the most popular carriers 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.

£243 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

09:05 - 19:55BHD-IAD

15h 50m1 stop

21:45 - 16:05IAD-BHD

13h 20m1 stop

£495American Airlines

Find Deal

Kam, 20 Nov - Sen, 24 Nov

11:05 - 22:15BHD-DCA

16h 10m2 stops

19:48 - 16:05DCA-BHD

15h 17m2 stops

£498American Airlines

Find Deal

Kam, 4 Des - Sen, 8 Des

09:05 - 23:59BHD-IAD

19h 54m2 stops

14:16 - 10:40IAD-BHD

15h 24m2 stops

£498American Airlines

Find Deal

Kam, 20 Nov - Sen, 24 Nov

06:35 - 16:04BHD-DCA

14h 29m2 stops

19:48 - 18:35DCA-BHD

17h 47m2 stops

£499American Airlines

Find Deal

Kam, 4 Des - Sen, 8 Des

21:45 - 17:40BFS-BWI

24h 55m3 stops

18:50 - 23:20BWI-BFS

23h 30m2 stops

£523

Find Deal

Jum, 10 Okt - Min, 12 Okt

11:30 - 18:45BHD-BWI

12h 15m1 stop

14:09 - 11:30BWI-BHD

17h 21m2 stops

£526American Airlines

Find Deal

Jum, 6 Mar - Sel, 10 Mar

06:50 - 20:20BHD-IAD

18h 30m1 stop

13:09 - 11:30IAD-BHD

17h 21m2 stops

£545

Find Deal

Min, 12 Okt - Min, 19 Okt

11:00 - 23:53BHD-IAD

17h 53m2 stops

17:41 - 14:40IAD-BHD

15h 59m2 stops

£549British Airways

Find Deal

Min, 12 Okt - Min, 19 Okt

11:00 - 20:20BHD-IAD

14h 20m1 stop

17:50 - 13:05IAD-BHD

14h 15m1 stop

£559British Airways

Find Deal

Min, 12 Okt - Min, 19 Okt

06:50 - 19:45BHD-BWI

17h 55m1 stop

21:35 - 17:40BWI-BHD

15h 05m1 stop

£969Iberia

Find Deal

Min, 12 Okt - Min, 19 Okt

British Airways flights from Belfast to Washington, D.C.

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

British Airways

12 Oct

BHD11:00Belfast City

17h 53m

2 stops

IAD23:53Washington, D.C. Dulles Intl

19 Oct

IAD17:41Washington, D.C. Dulles Intl

15h 59m

2 stops

BHD14:40Belfast City

£549

Find similar

British Airways

12 Oct

BHD11:00Belfast City

14h 20m

1 stop

IAD20:20Washington, D.C. Dulles Intl

19 Oct

IAD17:50Washington, D.C. Dulles Intl

14h 15m

1 stop

BHD13:05Belfast City

£559

Find similar

British Airways

12 Oct

BHD06:50Belfast City

22h 03m

2 stops

IAD23:53Washington, D.C. Dulles Intl

19 Oct

IAD17:50Washington, D.C. Dulles Intl

10h 15m

1 stop

BHD09:05Belfast City

£597

Find similar

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

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

American Airlines

20 Nov

BHD09:05Belfast City

15h 50m

1 stop

IAD19:55Washington, D.C. Dulles Intl

24 Nov

IAD21:45Washington, D.C. Dulles Intl

13h 20m

1 stop

BHD16:05Belfast City

£495

Find similar

American Airlines

20 Nov

BHD09:05Belfast City

19h 54m

2 stops

IAD23:59Washington, D.C. Dulles Intl

24 Nov

IAD14:16Washington, D.C. Dulles Intl

15h 24m

2 stops

BHD10:40Belfast City

£498

Find similar

American Airlines

4 Dec

BHD06:35Belfast City

14h 29m

2 stops

DCA16:04Washington, D.C. Reagan-National

8 Dec

DCA19:48Washington, D.C. Reagan-National

17h 47m

2 stops

BHD18:35Belfast City

£499

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Kam 20/11

09:05-19:55

1 stop15h 50m

Washington, D.C. Dulles Intl

Sen 24/11

21:45-16:05

1 stop13h 20m

£495

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Kam 4/12

11:05-22:15

2 stops16h 10m

Washington, D.C. Reagan-National

Sen 8/12

19:48-16:05

2 stops15h 17m

£498

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Kam 20/11

09:05-23:59

2 stops19h 54m

Washington, D.C. Dulles Intl

Sen 24/11

14:16-10:40

2 stops15h 24m

£498

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Kam 4/12

06:35-16:04

2 stops14h 29m

Washington, D.C. Reagan-National

Sen 8/12

19:48-18:35

2 stops17h 47m

£499

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Jum 10/10

21:45-17:40

3 stops24h 55m

Baltimore/Washington

Min 12/10

18:50-23:20

2 stops23h 30m

£523

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Jum 6/3

11:30-18:45

1 stop12h 15m

Baltimore/Washington

Sel 10/3

14:09-11:30

2 stops17h 21m

£526

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Min 12/10

06:50-20:20

1 stop18h 30m

Washington, D.C. Dulles Intl

Min 19/10

13:09-11:30

2 stops17h 21m

£545

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Min 12/10

11:00-23:53

2 stops17h 53m

Washington, D.C. Dulles Intl

Min 19/10

17:41-14:40

2 stops15h 59m

£549

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Min 12/10

11:00-20:20

1 stop14h 20m

Washington, D.C. Dulles Intl

Min 19/10

17:50-13:05

1 stop14h 15m

£559

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Min 12/10

06:50-19:45

1 stop17h 55m

Baltimore/Washington

Min 19/10

21:35-17:40

1 stop15h 05m

£969

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 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 £729. 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 £1,030.

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..

Search flight deals

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 12h 15m.
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

Essex

Alexandria

Fairfax

Bethesda

Oxon Hill

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.