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.

£533 Cheap Flights from Belfast to Washington, D.C. in 2025/26

1 adult

0 bags

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

Round-trip

One-way

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06:35 - 17:08

BHD

DCA

15h 33m2 stops

13:59 - 10:40

DCA

BHD

15h 41m2 stops

£533American Airlines

Thu, 22 Jan - Mon, 26 Jan

09:05 - 19:55

BHD

IAD

15h 50m1 stop

17:46 - 16:05

IAD

BHD

17h 19m2 stops

£726British Airways

Thu, 22 Jan - Mon, 26 Jan

10:40 - 23:59

BHD

DCA

18h 19m2 stops

18:34 - 14:15

DCA

BHD

14h 41m2 stops

£731British Airways

Thu, 22 Jan - Mon, 26 Jan

11:05 - 19:55

BHD

IAD

13h 50m1 stop

21:45 - 16:05

IAD

BHD

13h 20m1 stop

£731British Airways

Thu, 29 Jan - Mon, 2 Feb

10:40 - 22:55

BHD

DCA

17h 15m2 stops

13:44 - 10:40

DCA

BHD

15h 56m2 stops

£735British Airways

Thu, 22 Jan - Mon, 26 Jan

11:05 - 23:12

BHD

IAD

17h 07m2 stops

17:46 - 14:15

IAD

BHD

15h 29m2 stops

£735British Airways

Thu, 29 Jan - Mon, 2 Feb

17:45 - 18:45

BHD

BWI

30h 00m1 stop

14:46 - 10:40

BWI

BHD

14h 54m2 stops

£737British Airways

Thu, 29 Jan - Mon, 2 Feb

06:35 - 21:18

BHD

BWI

19h 43m2 stops

09:17 - 14:15

BWI

BHD

23h 58m2 stops

£740British Airways

Thu, 29 Jan - Mon, 2 Feb

09:05 - 18:45

BHD

BWI

14h 40m1 stop

11:13 - 14:15

BWI

BHD

22h 02m2 stops

£741British Airways

Thu, 29 Jan - Mon, 2 Feb

06:35 - 21:18

BHD

BWI

19h 43m2 stops

09:17 - 10:40

BWI

BHD

20h 23m2 stops

£745British Airways

Thu, 29 Jan - Mon, 2 Feb

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

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

British Airways

22 Jan

BHD09:05Belfast City

15h 50m

1 stop

IAD19:55Washington, D.C. Dulles Intl

26 Jan

IAD17:46Washington, D.C. Dulles Intl

17h 19m

2 stops

BHD16:05Belfast City

£726

Find similar

British Airways

29 Jan

BHD09:05Belfast City

11h 30m

1 stop

IAD15:35Washington, D.C. Dulles Intl

2 Feb

IAD13:08Washington, D.C. Dulles Intl

16h 32m

2 stops

BHD10:40Belfast City

£731

Find similar

British Airways

29 Jan

BHD11:05Belfast City

17h 07m

2 stops

IAD23:12Washington, D.C. Dulles Intl

2 Feb

IAD17:46Washington, D.C. Dulles Intl

15h 29m

2 stops

BHD14:15Belfast City

£735

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 22/1

06:35-17:08

2 stops15h 33m

Washington, D.C. Reagan-National

Mon 26/1

13:59-10:40

2 stops15h 41m

£533

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 22/1

09:05-19:55

1 stop15h 50m

Washington, D.C. Dulles Intl

Mon 26/1

17:46-16:05

2 stops17h 19m

£726

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 22/1

10:40-23:59

2 stops18h 19m

Washington, D.C. Reagan-National

Mon 26/1

18:34-14:15

2 stops14h 41m

£731

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 29/1

11:05-19:55

1 stop13h 50m

Washington, D.C. Dulles Intl

Mon 2/2

21:45-16:05

1 stop13h 20m

£731

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 22/1

10:40-22:55

2 stops17h 15m

Washington, D.C. Reagan-National

Mon 26/1

13:44-10:40

2 stops15h 56m

£735

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 29/1

11:05-23:12

2 stops17h 07m

Washington, D.C. Dulles Intl

Mon 2/2

17:46-14:15

2 stops15h 29m

£735

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 29/1

17:45-18:45

1 stop30h 00m

Baltimore/Washington

Mon 2/2

14:46-10:40

2 stops14h 54m

£737

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 29/1

06:35-21:18

2 stops19h 43m

Baltimore/Washington

Mon 2/2

09:17-14:15

2 stops23h 58m

£740

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 29/1

09:05-18:45

1 stop14h 40m

Baltimore/Washington

Mon 2/2

11:13-14:15

2 stops22h 02m

£741

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 29/1

06:35-21:18

2 stops19h 43m

Baltimore/Washington

Mon 2/2

09:17-10:40

2 stops20h 23m

£745

Flights are sorted by cheapest return flights first.

Sorted 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

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 £741. 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 £1,047.

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.

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from Belfast to Washington, D.C. takes 13h 50m

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 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

Ellicott City

Cambridge

Arlington

Westminster

Woodbridge

Silver Spring

Owings Mills

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.