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 2026

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Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:05 - 15:50

BHD

IAD

13h 45m

1 stop

17:40 - 10:30

IAD

BHD

11h 50m

1 stop

£597British Airways

Sat, 4 Jul - Sun, 5 Jul

06:30 - 17:25

BHD

IAD

15h 55m

1 stop

19:15 - 12:55

IAD

BHD

12h 40m

1 stop

£612British Airways

Thu, 23 Apr - Mon, 27 Apr

12:45 - 23:59

BHD

IAD

16h 14m

2 stops

20:11 - 18:45

IAD

BHD

17h 34m

2 stops

£687British Airways

Thu, 23 Apr - Mon, 27 Apr

09:15 - 20:55

BHD

IAD

15h 40m

1 stop

19:20 - 10:15

IAD

BHD

10h 55m

1 stop

£715British Airways

Sat, 21 Mar - Wed, 25 Mar

09:15 - 19:45

BHD

BWI

14h 30m

1 stop

21:35 - 14:15

BWI

BHD

12h 40m

1 stop

£718British Airways

Sat, 21 Mar - Wed, 25 Mar

06:35 - 16:35

BHD

IAD

14h 00m

1 stop

19:20 - 10:20

IAD

BHD

11h 00m

1 stop

£726British Airways

Wed, 18 Mar - Sun, 22 Mar

11:25 - 20:55

BHD

IAD

13h 30m

1 stop

19:20 - 10:20

IAD

BHD

11h 00m

1 stop

£727British Airways

Wed, 18 Mar - Sun, 22 Mar

11:25 - 20:30

BHD

IAD

37h 05m

2 stops

19:20 - 10:20

IAD

BHD

11h 00m

1 stop

£730British Airways

Wed, 18 Mar - Sun, 22 Mar

06:05 - 23:59

BFS

BWI

22h 54m

2 stops

20:30 - 23:20

BWI

BFS

21h 50m

3 stops

£1,051Multiple Airlines

Fri, 3 Apr - Fri, 10 Apr

06:05 - 09:14

BFS

BWI

32h 09m

3 stops

20:30 - 23:20

BWI

BFS

21h 50m

3 stops

£1,075Multiple Airlines

Fri, 3 Apr - Fri, 10 Apr

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

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

British Airways

4 Jul

BHD07:05Belfast City

13h 45m

1 stop

IAD15:50Washington, D.C. Dulles Intl

5 Jul

IAD17:40Washington, D.C. Dulles Intl

11h 50m

1 stop

BHD10:30Belfast City

£597

British Airways

23 Apr

BHD06:30Belfast City

15h 55m

1 stop

IAD17:25Washington, D.C. Dulles Intl

27 Apr

IAD19:15Washington, D.C. Dulles Intl

12h 40m

1 stop

BHD12:55Belfast City

£612

British Airways

23 Apr

BHD12:45Belfast City

16h 14m

2 stops

IAD23:59Washington, D.C. Dulles Intl

27 Apr

IAD20:11Washington, D.C. Dulles Intl

17h 34m

2 stops

BHD18:45Belfast City

£687

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

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

American Airlines

7 Mar

BHD11:35Belfast City

13h 20m

1 stop

IAD19:55Washington, D.C. Dulles Intl

11 Mar

IAD19:20Washington, D.C. Dulles Intl

10h 55m

1 stop

BHD10:15Belfast City

£1,023

American Airlines

7 Mar

BHD06:35Belfast City

14h 24m

2 stops

DCA15:59Washington, D.C. Reagan-National

11 Mar

DCA17:00Washington, D.C. Reagan-National

12h 10m

2 stops

BHD09:10Belfast City

£1,098

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 4/7

07:05-15:50

1 stop13h 45m

Washington, D.C. Dulles Intl

Sun 5/7

17:40-10:30

1 stop11h 50m

£597

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 23/4

06:30-17:25

1 stop15h 55m

Washington, D.C. Dulles Intl

Mon 27/4

19:15-12:55

1 stop12h 40m

£612

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 23/4

12:45-23:59

2 stops16h 14m

Washington, D.C. Dulles Intl

Mon 27/4

20:11-18:45

2 stops17h 34m

£687

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Sat 21/3

09:15-20:55

1 stop15h 40m

Washington, D.C. Dulles Intl

Wed 25/3

19:20-10:15

1 stop10h 55m

£715

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Sat 21/3

09:15-19:45

1 stop14h 30m

Baltimore/Washington

Wed 25/3

21:35-14:15

1 stop12h 40m

£718

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 18/3

06:35-16:35

1 stop14h 00m

Washington, D.C. Dulles Intl

Sun 22/3

19:20-10:20

1 stop11h 00m

£726

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 18/3

11:25-20:55

1 stop13h 30m

Washington, D.C. Dulles Intl

Sun 22/3

19:20-10:20

1 stop11h 00m

£727

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 18/3

11:25-20:30

2 stops37h 05m

Washington, D.C. Dulles Intl

Sun 22/3

19:20-10:20

1 stop11h 00m

£730

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Fri 3/4

06:05-23:59

2 stops22h 54m

Baltimore/Washington

Fri 10/4

20:30-23:20

3 stops21h 50m

£1,051

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Fri 3/4

06:05-09:14

3 stops32h 09m

Baltimore/Washington

Fri 10/4

20:30-23:20

3 stops21h 50m

£1,075

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

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.

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 45m
Direct flights	None

The fastest flight from Belfast to Washington, D.C. takes 13h 45m

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 13h 45m.
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

Arlington

Fairfax

Linthicum Heights

Alexandria

Glen Burnie

Lutherville Timonium

Ellicott City

Cambridge

Lexington Park

Westminster

Woodbridge

Bethesda

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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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 £243

This is the cheapest one-way 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 26/5. 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

Filter for what you want

Filter for what you want

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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

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

Our best American Airlines 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

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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