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.

$347 Cheap Flights from Belfast to Washington, D.C. in 2025

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

Round-trip

One-way

Cheap round-trip flights

6:05 am - 5:40 pmBFS-BWI

16h 35m2 stops

6:50 pm - 10:35 pmBWI-BFS

22h 45m2 stops

$553

Find Deal

Fri, Sep 12 - Fri, Sep 19

6:00 am - 5:40 pmBFS-BWI

16h 40m2 stops

6:50 pm - 11:25 pmBWI-BFS

23h 35m2 stops

$556

Find Deal

Sat, Sep 13 - Sat, Sep 20

9:05 pm - 10:33 pmBFS-BWI

30h 28m3 stops

6:50 pm - 10:35 pmBWI-BFS

22h 45m2 stops

$715

Find Deal

Fri, Sep 12 - Fri, Sep 19

9:30 pm - 5:40 pmBFS-BWI

25h 10m2 stops

6:50 pm - 10:30 pmBWI-BFS

22h 40m3 stops

$760

Find Deal

Sat, Sep 13 - Sat, Sep 20

12:25 pm - 7:55 pmBHD-IAD

12h 30m1 stop

6:20 pm - 10:20 amIAD-BHD

11h 00m1 stop

$764British Airways

Find Deal

Wed, Nov 19 - Thu, Dec 11

6:35 am - 3:35 pmBHD-IAD

14h 00m1 stop

9:45 pm - 2:15 pmIAD-BHD

11h 30m1 stop

$782American Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

10:40 am - 7:55 pmBHD-IAD

14h 15m1 stop

9:45 pm - 2:15 pmIAD-BHD

11h 30m1 stop

$783American Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

9:15 am - 6:45 pmBHD-BWI

14h 30m1 stop

8:35 pm - 6:50 pmBWI-BHD

17h 15m1 stop

$836British Airways

Find Deal

Wed, Nov 19 - Thu, Dec 11

6:50 am - 7:30 pmBHD-IAD

17h 40m2 stops

9:00 pm - 9:00 pmIAD-BHD

19h 00m2 stops

$1,117Aer Lingus

Find Deal

Wed, Nov 19 - Thu, Dec 11

3:25 pm - 6:45 pmBHD-BWI

32h 20m3 stops

8:35 pm - 9:00 pmBWI-BHD

19h 25m3 stops

$1,260Aer Lingus

Find Deal

Wed, Nov 19 - Thu, Dec 11

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

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

American Airlines

Nov 20

BHD6:35 amBelfast City

14h 00m

1 stop

IAD3:35 pmWashington, D.C. Dulles Intl

Nov 24

IAD9:45 pmWashington, D.C. Dulles Intl

11h 30m

1 stop

BHD2:15 pmBelfast City

$782

Find similar

American Airlines

Nov 20

BHD10:40 amBelfast City

14h 15m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

Nov 24

IAD9:45 pmWashington, D.C. Dulles Intl

11h 30m

1 stop

BHD2:15 pmBelfast City

$783

Find similar

American Airlines

Nov 20

BHD6:35 amBelfast City

18h 20m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

Nov 24

IAD6:20 pmWashington, D.C. Dulles Intl

11h 20m

1 stop

BHD10:40 amBelfast City

$786

Find similar

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

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

British Airways

Nov 19

BHD12:25 pmBelfast City

12h 30m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

Dec 11

IAD6:20 pmWashington, D.C. Dulles Intl

11h 00m

1 stop

BHD10:20 amBelfast City

$764

Find similar

British Airways

Nov 19

BHD9:15 amBelfast City

14h 30m

1 stop

BWI6:45 pmBaltimore/Washington

Dec 11

BWI8:35 pmBaltimore/Washington

17h 15m

1 stop

BHD6:50 pmBelfast City

$836

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Fri 9/12

6:05 am-5:40 pm

2 stops16h 35m

Baltimore/Washington

Fri 9/19

6:50 pm-10:35 pm

2 stops22h 45m

$553

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Sat 9/13

6:00 am-5:40 pm

2 stops16h 40m

Baltimore/Washington

Sat 9/20

6:50 pm-11:25 pm

2 stops23h 35m

$556

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Fri 9/12

9:05 pm-10:33 pm

3 stops30h 28m

Baltimore/Washington

Fri 9/19

6:50 pm-10:35 pm

2 stops22h 45m

$715

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Sat 9/13

9:30 pm-5:40 pm

2 stops25h 10m

Baltimore/Washington

Sat 9/20

6:50 pm-10:30 pm

3 stops22h 40m

$760

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 11/19

12:25 pm-7:55 pm

1 stop12h 30m

Washington, D.C. Dulles Intl

Thu 12/11

6:20 pm-10:20 am

1 stop11h 00m

$764

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 11/20

6:35 am-3:35 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Mon 11/24

9:45 pm-2:15 pm

1 stop11h 30m

$782

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 11/20

10:40 am-7:55 pm

1 stop14h 15m

Washington, D.C. Dulles Intl

Mon 11/24

9:45 pm-2:15 pm

1 stop11h 30m

$783

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 11/19

9:15 am-6:45 pm

1 stop14h 30m

Baltimore/Washington

Thu 12/11

8:35 pm-6:50 pm

1 stop17h 15m

$836

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Wed 11/19

6:50 am-7:30 pm

2 stops17h 40m

Washington, D.C. Dulles Intl

Thu 12/11

9:00 pm-9:00 pm

2 stops19h 00m

$1,117

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Wed 11/19

3:25 pm-6:45 pm

3 stops32h 20m

Baltimore/Washington

Thu 12/11

8:35 pm-9:00 pm

3 stops19h 25m

$1,260

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.?

Aer Lingus, British Airways, and Delta 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.

Best Price Found	$347
Fastest flight time	10h 55m
Direct flights	None
Airports in Washington, D.C.	3 airports

The best one-way flight to Washington, D.C. from Belfast in the past 72 hours is $347. The best round-trip flight deal from Belfast to Washington, D.C. found on momondo in the last 72 hours is $553.

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

There are no direct flights from Belfast to Washington, D.C.. Popular non-direct routes for this connection are Belfast City Airport - Washington, D.C. Reagan-National Airport, Belfast City Airport - Baltimore/Washington Airport and Belfast City Airport - Washington, D.C. Dulles Intl Airport.

There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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How far is Belfast to Washington, D.C. by plane?
The straight-line distance from Belfast to Washington, D.C. is 3373.5 mi. 12h 30m 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

Gettysburg

Arlington

National Harbor

Woodbridge

Laurel

Tysons

Silver Spring

Waldorf

Fredericksburg

Manassas

Towson

Rockville

Colonial Beach

Gaithersburg

Fairfax

Reston

Glen Burnie

Linthicum Heights

Springfield

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.