How do I get Price Alerts for flights from Belfast to Washington, D.C.?

Confirm your travel details to search for the latest offers for flights from Belfast to Washington, D.C. . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Belfast to Washington, D.C. with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

£389 Cheap Flights from Belfast to Washington, D.C. in 2026

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

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:45 - 19:40

BHD

BWI

10h 55m

1 stop

19:25 - 10:45

BWI

BHD

10h 20m

1 stop

£695British Airways

Tue, 23 Jun - Tue, 11 Aug

06:30 - 19:28

BHD

BWI

17h 58m

2 stops

11:59 - 10:45

BWI

BHD

17h 46m

2 stops

£696American Airlines

Tue, 23 Jun - Tue, 11 Aug

08:20 - 22:28

BFS

DCA

19h 08m

2 stops

12:45 - 19:15

DCA

BFS

25h 30m

3 stops

£697Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

20:15 - 15:10

BFS

IAD

47h 55m

3 stops

23:20 - 21:00

IAD

BFS

16h 40m

2 stops

£721Multiple Airlines

Fri, 16 Oct - Sun, 18 Oct

08:20 - 20:29

BFS

IAD

17h 09m

2 stops

12:40 - 19:15

IAD

BFS

25h 35m

2 stops

£732Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

06:35 - 15:10

BFS

IAD

37h 35m

3 stops

12:40 - 19:15

IAD

BFS

25h 35m

2 stops

£733Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

06:40 - 19:58

BFS

DCA

18h 18m

2 stops

18:55 - 19:15

DCA

BFS

19h 20m

2 stops

£745Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

11:35 - 19:40

BHD

BWI

13h 05m

1 stop

21:30 - 15:30

BWI

BHD

13h 00m

1 stop

£749British Airways

Mon, 14 Sep - Mon, 21 Sep

11:00 - 19:40

BHD

BWI

13h 40m

1 stop

21:35 - 14:35

BWI

BHD

12h 00m

1 stop

£751British Airways

Fri, 16 Oct - Sun, 18 Oct

16:25 - 19:40

BHD

BWI

32h 15m

1 stop

19:24 - 19:40

BWI

BHD

19h 16m

2 stops

£764American Airlines

Tue, 23 Jun - Tue, 11 Aug

KLM flights from Belfast to Washington, D.C.

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

KLM

14 Sept

BHD09:50Belfast City

17h 23m

2 stops

BWI22:13Baltimore/Washington

21 Sept

BWI13:00Baltimore/Washington

15h 20m

2 stops

BHD09:20Belfast City

£812

KLM

16 Oct

BHD09:50Belfast City

17h 20m

2 stops

BWI22:10Baltimore/Washington

18 Oct

BWI13:00Baltimore/Washington

15h 20m

2 stops

BHD09:20Belfast City

£941

KLM

23 Jun

BHD09:50Belfast City

10h 45m

1 stop

IAD15:35Washington, D.C. Dulles Intl

11 Aug

IAD12:29Washington, D.C. Dulles Intl

15h 51m

2 stops

BHD09:20Belfast City

£1,112

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

IAD12:29Washington, D.C. Dulles Intl

15h 51m

2 stops

BHD09:20Belfast City

£1,109

Delta

23 Jun

BHD09:50Belfast City

18h 24m

2 stops

IAD23:14Washington, D.C. Dulles Intl

11 Aug

IAD19:20Washington, D.C. Dulles Intl

16h 35m

2 stops

BHD16:55Belfast City

£1,112

Delta

23 Jun

BHD09:50Belfast City

18h 24m

2 stops

IAD23:14Washington, D.C. Dulles Intl

11 Aug

IAD19:20Washington, D.C. Dulles Intl

16h 35m

2 stops

BHD16:55Belfast City

£1,118

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 23/6

13:45-19:40

1 stop10h 55m

Baltimore/Washington

Tue 11/8

19:25-10:45

1 stop10h 20m

£695

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 23/6

06:30-19:28

2 stops17h 58m

Baltimore/Washington

Tue 11/8

11:59-10:45

2 stops17h 46m

£696

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Thu 11/6

08:20-22:28

2 stops19h 08m

Washington, D.C. Reagan-National

Wed 17/6

12:45-19:15

3 stops25h 30m

£697

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 16/10

20:15-15:10

3 stops47h 55m

Washington, D.C. Dulles Intl

Sun 18/10

23:20-21:00

2 stops16h 40m

£721

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 11/6

08:20-20:29

2 stops17h 09m

Washington, D.C. Dulles Intl

Wed 17/6

12:40-19:15

2 stops25h 35m

£732

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 11/6

06:35-15:10

3 stops37h 35m

Washington, D.C. Dulles Intl

Wed 17/6

12:40-19:15

2 stops25h 35m

£733

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Thu 11/6

06:40-19:58

2 stops18h 18m

Washington, D.C. Reagan-National

Wed 17/6

18:55-19:15

2 stops19h 20m

£745

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Mon 14/9

11:35-19:40

1 stop13h 05m

Baltimore/Washington

Mon 21/9

21:30-15:30

1 stop13h 00m

£749

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Fri 16/10

11:00-19:40

1 stop13h 40m

Baltimore/Washington

Sun 18/10

21:35-14:35

1 stop12h 00m

£751

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 23/6

16:25-19:40

1 stop32h 15m

Baltimore/Washington

Tue 11/8

19:24-19:40

2 stops19h 16m

£764

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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	10h 55m
Direct flights	None

The fastest flight from Belfast to Washington, D.C. takes 10h 55m

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 10h 55m.
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.

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

How do I get Price Alerts for flights from Belfast to Washington, D.C.?
Confirm your travel details to search for the latest offers for flights from Belfast to Washington, D.C.. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Belfast to Washington, D.C. with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Alexandria

College Park

Springfield

Fairfax

Arlington

Gettysburg

Linthicum Heights

Glen Burnie

Laurel

Ellicott City

Cambridge

Lutherville Timonium

Westminster

Lexington Park

Woodbridge

Bethesda

Owings Mills

Silver Spring

Rockville

Landover

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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Find better results for your trip to the United States

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 £354

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 18/10. 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

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

KLM flights from Belfast to Washington, D.C.

Our best KLM 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

momondo Fare Finder

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

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.

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.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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