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.

£619 Cheap Flights from Belfast to Washington, D.C. in 2026

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

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One-way

Cheap return flights

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07:00 - 22:15

BHD

IAD

20h 15m

2 stops

23:20 - 20:35

IAD

BHD

16h 15m

2 stops

£619Multiple Airlines

Wed, 24 Jun - Sun, 28 Jun

22:30 - 15:10

BFS

IAD

45h 40m

3 stops

12:35 - 16:20

IAD

BFS

22h 45m

3 stops

£627Multiple Airlines

Tue, 26 May - Tue, 2 Jun

22:30 - 15:10

BFS

IAD

45h 40m

3 stops

17:15 - 16:20

IAD

BFS

18h 05m

2 stops

£631Multiple Airlines

Tue, 26 May - Tue, 2 Jun

06:40 - 12:01

BFS

DCA

34h 21m

3 stops

06:00 - 16:15

DCA

BFS

29h 15m

3 stops

£718Multiple Airlines

Mon, 25 May - Mon, 1 Jun

11:00 - 21:30

BHD

DCA

15h 30m

2 stops

16:59 - 15:20

DCA

BHD

17h 21m

2 stops

£756British Airways

Fri, 28 Aug - Tue, 1 Sep

07:35 - 12:00

BFS

DCA

33h 25m

3 stops

09:40 - 15:15

DCA

BFS

24h 35m

3 stops

£768Multiple Airlines

Tue, 30 Jun - Tue, 21 Jul

06:30 - 15:45

BHD

IAD

14h 15m

1 stop

19:15 - 12:55

IAD

BHD

12h 40m

1 stop

£780British Airways

Mon, 11 May - Mon, 18 May

19:35 - 18:41

BHD

IAD

28h 06m

2 stops

19:15 - 12:55

IAD

BHD

12h 40m

1 stop

£807British Airways

Mon, 11 May - Mon, 18 May

09:50 - 23:15

BHD

DCA

18h 25m

2 stops

13:30 - 09:20

DCA

BHD

14h 50m

2 stops

£1,111Delta

Tue, 23 Jun - Tue, 11 Aug

09:50 - 23:15

BHD

DCA

18h 25m

2 stops

10:00 - 09:20

DCA

BHD

18h 20m

2 stops

£1,113Delta

Tue, 23 Jun - Tue, 11 Aug

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

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

British Airways

28 Aug

BHD11:00Belfast City

15h 30m

2 stops

DCA21:30Washington, D.C. Reagan-National

1 Sept

DCA16:59Washington, D.C. Reagan-National

17h 21m

2 stops

BHD15:20Belfast City

£756

British Airways

11 May

BHD19:35Belfast City

28h 06m

2 stops

IAD18:41Washington, D.C. Dulles Intl

18 May

IAD19:15Washington, D.C. Dulles Intl

12h 40m

1 stop

BHD12:55Belfast City

£807

British Airways

11 May

BHD19:35Belfast City

29h 05m

1 stop

BWI19:40Baltimore/Washington

18 May

BWI21:30Baltimore/Washington

10h 25m

1 stop

BHD12:55Belfast City

£810

Delta flights from Belfast to Washington, D.C.

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

Delta

23 Jun

BHD09:50Belfast City

10h 45m

1 stop

IAD15:35Washington, D.C. Dulles Intl

11 Aug

IAD10:40Washington, D.C. Dulles Intl

17h 40m

2 stops

BHD09:20Belfast City

£1,106

Delta

23 Jun

BHD09:50Belfast City

10h 45m

1 stop

IAD15:35Washington, D.C. Dulles Intl

11 Aug

IAD10:40Washington, D.C. Dulles Intl

17h 40m

2 stops

BHD09:20Belfast City

£1,109

Delta

23 Jun

BHD09:50Belfast City

10h 45m

1 stop

IAD15:35Washington, D.C. Dulles Intl

11 Aug

IAD17:40Washington, D.C. Dulles Intl

18h 15m

1 stop

BHD16:55Belfast City

£1,110

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 24/6

07:00-22:15

2 stops20h 15m

Washington, D.C. Dulles Intl

Sun 28/6

23:20-20:35

2 stops16h 15m

£619

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 26/5

22:30-15:10

3 stops45h 40m

Washington, D.C. Dulles Intl

Tue 2/6

12:35-16:20

3 stops22h 45m

£627

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Tue 26/5

22:30-15:10

3 stops45h 40m

Washington, D.C. Dulles Intl

Tue 2/6

17:15-16:20

2 stops18h 05m

£631

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Mon 25/5

06:40-12:01

3 stops34h 21m

Washington, D.C. Reagan-National

Mon 1/6

06:00-16:15

3 stops29h 15m

£718

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 28/8

11:00-21:30

2 stops15h 30m

Washington, D.C. Reagan-National

Tue 1/9

16:59-15:20

2 stops17h 21m

£756

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Tue 30/6

07:35-12:00

3 stops33h 25m

Washington, D.C. Reagan-National

Tue 21/7

09:40-15:15

3 stops24h 35m

£768

Fastest return journey

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 11/5

06:30-15:45

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 18/5

19:15-12:55

1 stop12h 40m

£780

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 11/5

19:35-18:41

2 stops28h 06m

Washington, D.C. Dulles Intl

Mon 18/5

19:15-12:55

1 stop12h 40m

£807

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

09:50-23:15

2 stops18h 25m

Washington, D.C. Reagan-National

Tue 11/8

13:30-09:20

2 stops14h 50m

£1,111

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Tue 23/6

09:50-23:15

2 stops18h 25m

Washington, D.C. Reagan-National

Tue 11/8

10:00-09:20

2 stops18h 20m

£1,113

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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

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

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

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 05m
Direct flights	None

The fastest flight from Belfast to Washington, D.C. takes 13h 05m

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

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

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 13h 05m.
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.

College Park

Fairfax

Arlington

Linthicum Heights

Glen Burnie

Laurel

Lutherville Timonium

Ellicott City

Cambridge

Lexington Park

Westminster

Woodbridge

Bethesda

Alexandria

Silver Spring

Rockville

Owings Mills

Landover

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.

An easier way to manage your Washington, D.C. trip

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Nearby airports

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Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Belfast to Washington, D.C. from £619

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Washington, D.C. departing on 24/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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Filter for what you want

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Price Alerts

Price Alerts

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

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

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

Delta flights from Belfast to Washington, D.C.

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

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

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

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

Direct flights

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

Travelling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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