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.

$383 Cheap Flights from Belfast to Washington, D.C. in 2026

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:05 am - 7:40 pm

BHD

IAD

14h 35m

1 stop

10:25 pm - 3:30 pm

IAD

BHD

12h 05m

1 stop

$856British Airways

Wed, Aug 5 - Mon, Aug 10

6:10 am - 10:15 pm

BFS

BWI

21h 05m

2 stops

8:30 pm - 8:40 pm

BWI

BFS

19h 10m

2 stops

$892Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

9:10 pm - 3:45 pm

BFS

IAD

23h 35m

2 stops

5:15 pm - 11:15 pm

IAD

BFS

25h 00m

2 stops

$894Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

11:35 am - 11:33 pm

BHD

DCA

16h 58m

2 stops

6:23 pm - 3:30 pm

DCA

BHD

16h 07m

2 stops

$921British Airways

Wed, Aug 5 - Mon, Aug 10

4:05 pm - 7:40 pm

BHD

BWI

32h 35m

1 stop

9:30 pm - 3:30 pm

BWI

BHD

13h 00m

1 stop

$948British Airways

Wed, Aug 5 - Mon, Aug 10

8:35 pm - 6:55 pm

BHD

IAD

27h 20m

2 stops

10:25 pm - 5:30 pm

IAD

BHD

14h 05m

1 stop

$956Multiple Airlines

Wed, Aug 5 - Mon, Aug 10

6:30 pm - 7:10 pm

BHD

IAD

29h 40m

2 stops

8:55 pm - 8:05 pm

IAD

BHD

18h 10m

2 stops

$1,088Aer Lingus

Wed, Aug 5 - Mon, Aug 10

7:20 am - 8:24 pm

BFS

IAD

18h 04m

2 stops

8:30 pm - 9:50 pm

IAD

BFS

20h 20m

2 stops

$1,107Multiple Airlines

Fri, Aug 14 - Fri, Aug 21

7:20 am - 8:24 pm

BFS

IAD

18h 04m

2 stops

5:05 pm - 11:20 pm

IAD

BFS

25h 15m

3 stops

$1,109Multiple Airlines

Fri, Aug 14 - Fri, Aug 21

5:30 pm - 11:13 pm

BHD

BWI

34h 43m

2 stops

2:18 pm - 9:20 am

BWI

BHD

14h 02m

2 stops

$1,779Virgin Atlantic

Wed, Aug 5 - Mon, Aug 10

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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

British Airways

Aug 5

BHD10:05 amBelfast City

14h 35m

1 stop

IAD7:40 pmWashington, D.C. Dulles Intl

Aug 10

IAD10:25 pmWashington, D.C. Dulles Intl

12h 05m

1 stop

BHD3:30 pmBelfast City

$856

British Airways

Aug 5

BHD11:35 amBelfast City

16h 58m

2 stops

DCA11:33 pmWashington, D.C. Reagan-National

Aug 10

DCA6:23 pmWashington, D.C. Reagan-National

16h 07m

2 stops

BHD3:30 pmBelfast City

$921

British Airways

Aug 5

BHD4:05 pmBelfast City

32h 35m

1 stop

BWI7:40 pmBaltimore/Washington

Aug 10

BWI9:30 pmBaltimore/Washington

13h 00m

1 stop

BHD3:30 pmBelfast City

$948

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 8/5

10:05 am-7:40 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Mon 8/10

10:25 pm-3:30 pm

1 stop12h 05m

$856

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Wed 8/12

6:10 am-10:15 pm

2 stops21h 05m

Baltimore/Washington

Wed 8/19

8:30 pm-8:40 pm

2 stops19h 10m

$892

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Wed 8/12

9:10 pm-3:45 pm

2 stops23h 35m

Washington, D.C. Dulles Intl

Wed 8/19

5:15 pm-11:15 pm

2 stops25h 00m

$894

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 8/5

11:35 am-11:33 pm

2 stops16h 58m

Washington, D.C. Reagan-National

Mon 8/10

6:23 pm-3:30 pm

2 stops16h 07m

$921

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 8/5

4:05 pm-7:40 pm

1 stop32h 35m

Baltimore/Washington

Mon 8/10

9:30 pm-3:30 pm

1 stop13h 00m

$948

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 8/5

8:35 pm-6:55 pm

2 stops27h 20m

Washington, D.C. Dulles Intl

Mon 8/10

10:25 pm-5:30 pm

1 stop14h 05m

$956

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 8/5

6:30 pm-7:10 pm

2 stops29h 40m

Washington, D.C. Dulles Intl

Mon 8/10

8:55 pm-8:05 pm

2 stops18h 10m

$1,088

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 8/14

7:20 am-8:24 pm

2 stops18h 04m

Washington, D.C. Dulles Intl

Fri 8/21

8:30 pm-9:50 pm

2 stops20h 20m

$1,107

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Fri 8/14

7:20 am-8:24 pm

2 stops18h 04m

Washington, D.C. Dulles Intl

Fri 8/21

5:05 pm-11:20 pm

3 stops25h 15m

$1,109

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 8/5

5:30 pm-11:13 pm

2 stops34h 43m

Baltimore/Washington

Mon 8/10

2:18 pm-9:20 am

2 stops14h 02m

$1,779

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.?

American Airlines and British Airways 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	14h 35m
Direct flights	None

The fastest flight from Belfast to Washington, D.C. takes 14h 35m

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. 14h 35m 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

Arlington

Gettysburg

Waldorf

Laurel

Woodbridge

Fredericksburg

Gaithersburg

Linthicum Heights

Rockville

Colonial Beach

Towson

Manassas

Silver Spring

Tysons

Springfield

Bethesda

Fairfax

Glen Burnie

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 $383

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.

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

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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.

Popular cities in the United States

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

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