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.

£453 Cheap Flights from Belfast to Washington, D.C. in 2026

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0 bags

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

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 18:30

BFS

IAD

17h 00m

2 stops

19:40 - 20:40

IAD

BFS

20h 00m

2 stops

£453Multiple Airlines

Do, 26 Feb - Do, 5 Mrz

21:25 - 21:00

BFS

IAD

28h 35m

3 stops

19:40 - 20:35

IAD

BFS

19h 55m

2 stops

£526Multiple Airlines

Do, 26 Feb - Do, 5 Mrz

09:05 - 15:35

BHD

IAD

11h 30m

1 stop

22:45 - 14:15

IAD

BHD

11h 30m

1 stop

£533British Airways

Do, 5 Mrz - Mo, 9 Mrz

11:05 - 19:55

BHD

IAD

13h 50m

1 stop

22:45 - 14:15

IAD

BHD

11h 30m

1 stop

£535British Airways

Do, 5 Mrz - Mo, 9 Mrz

06:35 - 23:59

BHD

DCA

22h 24m

2 stops

14:16 - 13:55

DCA

BHD

18h 39m

2 stops

£537British Airways

Mi, 11 Feb - So, 15 Feb

09:15 - 18:54

BHD

DCA

14h 39m

2 stops

13:30 - 10:20

DCA

BHD

15h 50m

2 stops

£540British Airways

Mi, 11 Feb - So, 15 Feb

14:00 - 15:35

BHD

IAD

30h 35m

2 stops

21:45 - 16:05

IAD

BHD

13h 20m

1 stop

£547British Airways

Do, 5 Feb - Mo, 9 Feb

18:50 - 15:35

BHD

IAD

25h 45m

2 stops

18:20 - 10:40

IAD

BHD

11h 20m

1 stop

£549British Airways

Do, 5 Feb - Mo, 9 Feb

21:25 - 21:00

BFS

IAD

28h 35m

3 stops

19:40 - 19:30

IAD

BFS

18h 50m

3 stops

£552Multiple Airlines

Do, 26 Feb - Do, 5 Mrz

06:35 - 15:35

BHD

IAD

14h 00m

1 stop

21:45 - 14:15

IAD

BHD

11h 30m

1 stop

£554British Airways

Do, 5 Feb - Mo, 9 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

5 Mar

BHD09:05Belfast City

11h 30m

1 stop

IAD15:35Washington, D.C. Dulles Intl

9 Mar

IAD16:46Washington, D.C. Dulles Intl

17h 29m

2 stops

BHD14:15Belfast City

£533

British Airways

5 Mar

BHD11:05Belfast City

13h 50m

1 stop

IAD19:55Washington, D.C. Dulles Intl

9 Mar

IAD16:46Washington, D.C. Dulles Intl

17h 29m

2 stops

BHD14:15Belfast City

£535

British Airways

11 Feb

BHD06:35Belfast City

22h 24m

2 stops

DCA23:59Washington, D.C. Reagan-National

15 Feb

DCA14:16Washington, D.C. Reagan-National

18h 39m

2 stops

BHD13:55Belfast City

£537

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Do 26/2

06:30-18:30

2 stops17h 00m

Washington, D.C. Dulles Intl

Do 5/3

19:40-20:40

2 stops20h 00m

£453

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Do 26/2

21:25-21:00

3 stops28h 35m

Washington, D.C. Dulles Intl

Do 5/3

19:40-20:35

2 stops19h 55m

£526

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Do 5/3

09:05-15:35

1 stop11h 30m

Washington, D.C. Dulles Intl

Mo 9/3

22:45-14:15

1 stop11h 30m

£533

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Do 5/3

11:05-19:55

1 stop13h 50m

Washington, D.C. Dulles Intl

Mo 9/3

22:45-14:15

1 stop11h 30m

£535

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mi 11/2

06:35-23:59

2 stops22h 24m

Washington, D.C. Reagan-National

So 15/2

14:16-13:55

2 stops18h 39m

£537

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mi 11/2

09:15-18:54

2 stops14h 39m

Washington, D.C. Reagan-National

So 15/2

13:30-10:20

2 stops15h 50m

£540

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Do 5/2

14:00-15:35

2 stops30h 35m

Washington, D.C. Dulles Intl

Mo 9/2

21:45-16:05

1 stop13h 20m

£547

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Do 5/2

18:50-15:35

2 stops25h 45m

Washington, D.C. Dulles Intl

Mo 9/2

18:20-10:40

1 stop11h 20m

£549

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Do 26/2

21:25-21:00

3 stops28h 35m

Washington, D.C. Dulles Intl

Do 5/3

19:40-19:30

3 stops18h 50m

£552

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Do 5/2

06:35-15:35

1 stop14h 00m

Washington, D.C. Dulles Intl

Mo 9/2

21:45-14:15

1 stop11h 30m

£554

Flights are sorted by cheapest return flights first.

Sorted 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	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

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.

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.

Laurel

College Park

Alexandria

Fairfax

Arlington

Linthicum Heights

Bethesda

Glen Burnie

Lutherville Timonium

Ellicott City

Cambridge

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.