When did momondo last update prices for flights from Belfast to Washington, D.C.?

Prices for flights from Belfast to Washington, D.C. are refreshed on a daily basis.

How old do you have to be to fly from Belfast to Washington, D.C.?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$465 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

Cheap round-trip flights

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8:20 am - 10:15 pm

BFS

BWI

18h 55m

2 stops

11:20 pm - 10:25 pm

BWI

BFS

18h 05m

2 stops

$910Multiple Airlines

Tue, Jun 23 - Tue, Jun 30

11:35 am - 12:01 am

BHD

BWI

17h 26m

2 stops

8:17 pm - 12:55 pm

BWI

BHD

35h 38m

2 stops

$951British Airways

Wed, Oct 7 - Sun, Oct 11

11:35 am - 5:41 pm

BHD

BWI

35h 06m

2 stops

8:17 pm - 12:55 pm

BWI

BHD

35h 38m

2 stops

$953British Airways

Wed, Oct 7 - Sun, Oct 11

9:40 am - 7:40 pm

BHD

BWI

15h 00m

1 stop

4:25 pm - 3:20 pm

BWI

BHD

17h 55m

2 stops

$962American Airlines

Tue, Jun 23 - Tue, Aug 11

1:45 pm - 7:40 pm

BHD

BWI

10h 55m

1 stop

7:25 pm - 10:45 am

BWI

BHD

10h 20m

1 stop

$964American Airlines

Tue, Jun 23 - Tue, Aug 11

9:35 am - 7:40 pm

BHD

BWI

15h 05m

1 stop

10:50 am - 7:25 pm

BWI

BHD

27h 35m

2 stops

$986British Airways

Thu, Oct 1 - Mon, Oct 5

8:35 pm - 7:40 pm

BHD

BWI

28h 05m

1 stop

10:50 am - 12:55 pm

BWI

BHD

21h 05m

2 stops

$988British Airways

Thu, Oct 1 - Mon, Oct 5

7:00 am - 3:45 pm

BHD

IAD

13h 45m

2 stops

5:15 pm - 3:00 pm

IAD

BHD

16h 45m

2 stops

$1,010Aer Lingus

Fri, May 22 - Mon, May 25

9:50 am - 3:35 pm

BHD

IAD

10h 45m

1 stop

12:29 pm - 9:20 am

IAD

BHD

15h 51m

2 stops

$1,521Delta

Tue, Jun 23 - Tue, Aug 11

9:50 am - 7:35 pm

BHD

IAD

14h 45m

2 stops

12:29 pm - 9:20 am

IAD

BHD

15h 51m

2 stops

$1,707KLM

Tue, Jun 23 - Tue, Aug 11

Delta flights from Belfast to Washington, D.C.

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

Delta

Jun 23

BHD9:50 amBelfast City

10h 45m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Aug 11

IAD12:29 pmWashington, D.C. Dulles Intl

15h 51m

2 stops

BHD9:20 amBelfast City

$1,521

Delta

Jun 23

BHD9:50 amBelfast City

17h 34m

2 stops

BWI10:24 pmBaltimore/Washington

Aug 11

BWI12:30 pmBaltimore/Washington

15h 50m

2 stops

BHD9:20 amBelfast City

$1,523

Delta

Jun 23

BHD9:50 amBelfast City

17h 34m

2 stops

BWI10:24 pmBaltimore/Washington

Aug 11

BWI12:30 pmBaltimore/Washington

15h 50m

2 stops

BHD9:20 amBelfast City

$1,524

KLM flights from Belfast to Washington, D.C.

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

KLM

Jun 23

BHD9:50 amBelfast City

14h 45m

2 stops

IAD7:35 pmWashington, D.C. Dulles Intl

Aug 11

IAD12:29 pmWashington, D.C. Dulles Intl

15h 51m

2 stops

BHD9:20 amBelfast City

$1,707

KLM

Jun 23

BHD9:50 amBelfast City

14h 45m

2 stops

IAD7:35 pmWashington, D.C. Dulles Intl

Aug 11

IAD12:29 pmWashington, D.C. Dulles Intl

15h 51m

2 stops

BHD9:20 amBelfast City

$1,710

KLM

May 22

BHD9:50 amBelfast City

16h 00m

2 stops

BWI8:50 pmBaltimore/Washington

May 25

BWI12:31 pmBaltimore/Washington

15h 49m

2 stops

BHD9:20 amBelfast City

$1,897

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Tue 6/23

8:20 am-10:15 pm

2 stops18h 55m

Baltimore/Washington

Tue 6/30

11:20 pm-10:25 pm

2 stops18h 05m

$910

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 10/7

11:35 am-12:01 am

2 stops17h 26m

Baltimore/Washington

Sun 10/11

8:17 pm-12:55 pm

2 stops35h 38m

$951

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 10/7

11:35 am-5:41 pm

2 stops35h 06m

Baltimore/Washington

Sun 10/11

8:17 pm-12:55 pm

2 stops35h 38m

$953

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 6/23

9:40 am-7:40 pm

1 stop15h 00m

Baltimore/Washington

Tue 8/11

4:25 pm-3:20 pm

2 stops17h 55m

$962

Quickest round-trip

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Tue 6/23

1:45 pm-7:40 pm

1 stop10h 55m

Baltimore/Washington

Tue 8/11

7:25 pm-10:45 am

1 stop10h 20m

$964

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 10/1

9:35 am-7:40 pm

1 stop15h 05m

Baltimore/Washington

Mon 10/5

10:50 am-7:25 pm

2 stops27h 35m

$986

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Thu 10/1

8:35 pm-7:40 pm

1 stop28h 05m

Baltimore/Washington

Mon 10/5

10:50 am-12:55 pm

2 stops21h 05m

$988

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 5/22

7:00 am-3:45 pm

2 stops13h 45m

Washington, D.C. Dulles Intl

Mon 5/25

5:15 pm-3:00 pm

2 stops16h 45m

$1,010

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

9:50 am-3:35 pm

1 stop10h 45m

Washington, D.C. Dulles Intl

Tue 8/11

12:29 pm-9:20 am

2 stops15h 51m

$1,521

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Tue 6/23

9:50 am-7:35 pm

2 stops14h 45m

Washington, D.C. Dulles Intl

Tue 8/11

12:29 pm-9:20 am

2 stops15h 51m

$1,707

Flights are sorted by cheapest round-trip 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 and American Airlines are the most popular carriers 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..

Search flight deals

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

How far is Belfast to Washington, D.C. by plane?
The straight-line distance from Belfast to Washington, D.C. is 3373.5 mi. 13h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Belfast to Washington, D.C.?
Prices for flights from Belfast to Washington, D.C. are refreshed on a daily basis.
How old do you have to be to fly from Belfast to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Gaithersburg

Colonial Beach

Towson

Fredericksburg

Silver Spring

Rockville

Manassas

Linthicum Heights

Tysons

Bethesda

Springfield

Fairfax

College Park

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Washington, D.C. for you.

Can I find flights from Belfast to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Washington, D.C..

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 $465

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 8/24. 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 and deals

Big names and deals

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Filter for what you want

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

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Delta flights from Belfast to Washington, D.C.

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

KLM flights from Belfast to Washington, D.C.

Our best KLM 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.

Traveling 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, organize 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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