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.

$509 Cheap Flights from Belfast to Washington, D.C. in 2025/26

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

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11:05 am - 7:55 pm

BHD

IAD

13h 50m1 stop

5:46 pm - 4:05 pm

IAD

BHD

17h 19m2 stops

$978British Airways

Thu, Jan 29 - Mon, Feb 2

6:35 am - 6:59 pm

BHD

DCA

17h 24m2 stops

5:00 pm - 10:40 am

DCA

BHD

13h 40m2 stops

$984British Airways

Thu, Mar 5 - Mon, Mar 9

11:05 am - 11:12 pm

BHD

IAD

17h 07m2 stops

5:46 pm - 2:15 pm

IAD

BHD

15h 29m2 stops

$984British Airways

Thu, Jan 29 - Mon, Feb 2

11:05 am - 9:29 pm

BHD

DCA

15h 24m2 stops

6:14 pm - 10:40 am

DCA

BHD

12h 26m2 stops

$985British Airways

Thu, Mar 5 - Mon, Mar 9

6:55 am - 7:25 pm

BFS

BWI

17h 30m3 stops

8:30 pm - 8:50 pm

BWI

BFS

19h 20m2 stops

$993Multiple Airlines

Sat, May 2 - Sat, May 16

5:20 pm - 4:05 pm

BHD

IAD

27h 45m1 stop

12:23 pm - 4:50 pm

IAD

BHD

23h 27m2 stops

$1,022Delta

Fri, Jan 23 - Fri, Jan 30

5:20 pm - 11:06 pm

BHD

IAD

34h 46m2 stops

12:32 pm - 4:50 pm

IAD

BHD

23h 18m2 stops

$1,028Delta

Fri, Jan 23 - Fri, Jan 30

6:55 am - 7:25 pm

BFS

BWI

17h 30m3 stops

11:35 pm - 10:40 pm

BWI

BFS

18h 05m3 stops

$1,040Multiple Airlines

Sat, May 2 - Sat, May 16

8:45 am - 11:21 pm

BHD

BWI

19h 36m2 stops

8:35 pm - 2:15 pm

BWI

BHD

12h 40m1 stop

$1,061American Airlines

Fri, Jan 23 - Fri, Jan 30

8:45 am - 11:52 pm

BHD

BWI

20h 07m2 stops

6:31 pm - 2:15 pm

BWI

BHD

14h 44m2 stops

$1,066American Airlines

Fri, Jan 23 - Fri, Jan 30

Delta flights from Belfast to Washington, D.C.

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

Delta

Jan 23

BHD5:20 pmBelfast City

27h 45m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Jan 30

IAD12:23 pmWashington, D.C. Dulles Intl

23h 27m

2 stops

BHD4:50 pmBelfast City

$1,022

Find similar

Delta

Jan 23

BHD5:20 pmBelfast City

34h 46m

2 stops

IAD11:06 pmWashington, D.C. Dulles Intl

Jan 30

IAD12:32 pmWashington, D.C. Dulles Intl

23h 18m

2 stops

BHD4:50 pmBelfast City

$1,028

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

Jan 29

BHD9:05 amBelfast City

15h 50m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

Feb 2

IAD6:20 pmWashington, D.C. Dulles Intl

11h 20m

1 stop

BHD10:40 amBelfast City

$978

Find similar

British Airways

Jan 29

BHD11:05 amBelfast City

17h 07m

2 stops

IAD11:12 pmWashington, D.C. Dulles Intl

Feb 2

IAD5:46 pmWashington, D.C. Dulles Intl

15h 29m

2 stops

BHD2:15 pmBelfast City

$984

Find similar

British Airways

Mar 5

BHD11:05 amBelfast City

15h 24m

2 stops

DCA9:29 pmWashington, D.C. Reagan-National

Mar 9

DCA6:14 pmWashington, D.C. Reagan-National

12h 26m

2 stops

BHD10:40 amBelfast City

$985

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 1/29

11:05 am-7:55 pm

1 stop13h 50m

Washington, D.C. Dulles Intl

Mon 2/2

5:46 pm-4:05 pm

2 stops17h 19m

$978

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 3/5

6:35 am-6:59 pm

2 stops17h 24m

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-10:40 am

2 stops13h 40m

$984

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 1/29

11:05 am-11:12 pm

2 stops17h 07m

Washington, D.C. Dulles Intl

Mon 2/2

5:46 pm-2:15 pm

2 stops15h 29m

$984

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 3/5

11:05 am-9:29 pm

2 stops15h 24m

Washington, D.C. Reagan-National

Mon 3/9

6:14 pm-10:40 am

2 stops12h 26m

$985

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Sat 5/2

6:55 am-7:25 pm

3 stops17h 30m

Baltimore/Washington

Sat 5/16

8:30 pm-8:50 pm

2 stops19h 20m

$993

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 1/23

5:20 pm-4:05 pm

1 stop27h 45m

Washington, D.C. Dulles Intl

Fri 1/30

12:23 pm-4:50 pm

2 stops23h 27m

$1,022

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Fri 1/23

5:20 pm-11:06 pm

2 stops34h 46m

Washington, D.C. Dulles Intl

Fri 1/30

12:32 pm-4:50 pm

2 stops23h 18m

$1,028

BelfastBaltimore

BFS - BWI

BFSBWI

Belfast Intl

Sat 5/2

6:55 am-7:25 pm

3 stops17h 30m

Baltimore/Washington

Sat 5/16

11:35 pm-10:40 pm

3 stops18h 05m

$1,040

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Fri 1/23

8:45 am-11:21 pm

2 stops19h 36m

Baltimore/Washington

Fri 1/30

8:35 pm-2:15 pm

1 stop12h 40m

$1,061

BelfastBaltimore

BHD - BWI

BHDBWI

Belfast City

Fri 1/23

8:45 am-11:52 pm

2 stops20h 07m

Baltimore/Washington

Fri 1/30

6:31 pm-2:15 pm

2 stops14h 44m

$1,066

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, Aer Lingus, and KLM 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	11h 15m
Direct flights	None

The fastest flight from Belfast to Washington, D.C. takes 11h 15m

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?
The straight-line distance from Belfast to Washington, D.C. is 3373.5 mi. 11h 15m 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

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Gaithersburg

Reston

Manassas

Fairfax

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.