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.

$584 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

Enter your travel dates to find the best prices.

6:30 am - 7:30 pm

BFS

IAD

17h 00m

2 stops

8:40 pm - 5:55 pm

IAD

BFS

17h 15m

2 stops

$673Multiple Airlines

Wed, Mar 11 - Wed, Mar 18

8:35 am - 6:30 pm

BFS

IAD

14h 55m

2 stops

7:40 pm - 8:10 pm

IAD

BFS

19h 30m

2 stops

$692Multiple Airlines

Mon, Feb 23 - Sun, Mar 1

7:50 am - 2:35 pm

BFS

IAD

35h 45m

3 stops

7:40 pm - 9:55 pm

IAD

BFS

21h 15m

3 stops

$693Multiple Airlines

Mon, Feb 23 - Sun, Mar 1

2:25 pm - 5:40 pm

BFS

IAD

31h 15m

2 stops

9:30 pm - 10:20 pm

IAD

BFS

20h 50m

2 stops

$696Multiple Airlines

Thu, Mar 12 - Thu, Mar 19

11:30 am - 7:55 pm

BHD

IAD

13h 25m

1 stop

6:20 pm - 10:20 am

IAD

BHD

11h 00m

1 stop

$727British Airways

Mon, Feb 23 - Sun, Mar 1

6:35 am - 7:55 pm

BHD

IAD

18h 20m

1 stop

10:45 pm - 2:15 pm

IAD

BHD

11h 30m

1 stop

$730British Airways

Thu, Mar 5 - Mon, Mar 9

6:30 am - 4:05 pm

BHD

IAD

14h 35m

1 stop

12:24 pm - 4:50 pm

IAD

BHD

23h 26m

2 stops

$734Delta

Mon, Feb 23 - Sun, Mar 1

6:30 am - 10:08 pm

BHD

DCA

20h 38m

2 stops

5:00 pm - 9:00 pm

DCA

BHD

23h 00m

2 stops

$739Delta

Mon, Feb 23 - Sun, Mar 1

6:30 am - 11:09 pm

BHD

IAD

21h 39m

2 stops

12:24 pm - 4:50 pm

IAD

BHD

23h 26m

2 stops

$739Delta

Mon, Feb 23 - Sun, Mar 1

10:35 am - 7:30 pm

BHD

IAD

13h 55m

2 stops

7:20 pm - 10:40 am

IAD

BHD

11h 20m

1 stop

$751British Airways

Thu, Mar 5 - Mon, Mar 9

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

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

British Airways

Feb 23

BHD11:30 amBelfast City

13h 25m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

Mar 1

IAD6:20 pmWashington, D.C. Dulles Intl

11h 00m

1 stop

BHD10:20 amBelfast City

$727

British Airways

Mar 5

BHD6:35 amBelfast City

18h 20m

1 stop

IAD7:55 pmWashington, D.C. Dulles Intl

Mar 9

IAD10:45 pmWashington, D.C. Dulles Intl

11h 30m

1 stop

BHD2:15 pmBelfast City

$730

British Airways

Mar 5

BHD10:35 amBelfast City

13h 55m

2 stops

IAD7:30 pmWashington, D.C. Dulles Intl

Mar 9

IAD7:20 pmWashington, D.C. Dulles Intl

11h 20m

1 stop

BHD10:40 amBelfast City

$751

Delta flights from Belfast to Washington, D.C.

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

Delta

Feb 23

BHD6:30 amBelfast City

14h 35m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

Mar 1

IAD12:24 pmWashington, D.C. Dulles Intl

23h 26m

2 stops

BHD4:50 pmBelfast City

$734

Delta

Feb 23

BHD6:30 amBelfast City

21h 39m

2 stops

IAD11:09 pmWashington, D.C. Dulles Intl

Mar 1

IAD12:24 pmWashington, D.C. Dulles Intl

23h 26m

2 stops

BHD4:50 pmBelfast City

$739

Delta

Feb 10

BHD5:20 pmBelfast City

28h 09m

2 stops

DCA4:29 pmWashington, D.C. Reagan-National

Feb 14

DCA10:59 amWashington, D.C. Reagan-National

24h 51m

2 stops

BHD4:50 pmBelfast City

$1,628

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Wed 3/11

6:30 am-7:30 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Wed 3/18

8:40 pm-5:55 pm

2 stops17h 15m

$673

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Mon 2/23

8:35 am-6:30 pm

2 stops14h 55m

Washington, D.C. Dulles Intl

Sun 3/1

7:40 pm-8:10 pm

2 stops19h 30m

$692

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Mon 2/23

7:50 am-2:35 pm

3 stops35h 45m

Washington, D.C. Dulles Intl

Sun 3/1

7:40 pm-9:55 pm

3 stops21h 15m

$693

BelfastWashington, D.C.

BFS - IAD

BFSIAD

Belfast Intl

Thu 3/12

2:25 pm-5:40 pm

2 stops31h 15m

Washington, D.C. Dulles Intl

Thu 3/19

9:30 pm-10:20 pm

2 stops20h 50m

$696

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 2/23

11:30 am-7:55 pm

1 stop13h 25m

Washington, D.C. Dulles Intl

Sun 3/1

6:20 pm-10:20 am

1 stop11h 00m

$727

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/5

6:35 am-7:55 pm

1 stop18h 20m

Washington, D.C. Dulles Intl

Mon 3/9

10:45 pm-2:15 pm

1 stop11h 30m

$730

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 2/23

6:30 am-4:05 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Sun 3/1

12:24 pm-4:50 pm

2 stops23h 26m

$734

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Mon 2/23

6:30 am-10:08 pm

2 stops20h 38m

Washington, D.C. Reagan-National

Sun 3/1

5:00 pm-9:00 pm

2 stops23h 00m

$739

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Mon 2/23

6:30 am-11:09 pm

2 stops21h 39m

Washington, D.C. Dulles Intl

Sun 3/1

12:24 pm-4:50 pm

2 stops23h 26m

$739

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/5

10:35 am-7:30 pm

2 stops13h 55m

Washington, D.C. Dulles Intl

Mon 3/9

7:20 pm-10:40 am

1 stop11h 20m

$751

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 Finnair 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 25m
Direct flights	None

The fastest flight from Belfast to Washington, D.C. takes 13h 25m

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. 13h 25m 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

Tysons

Laurel

Colonial Beach

Silver Spring

Towson

Fredericksburg

Gaithersburg

Rockville

Manassas

Springfield

Fairfax

Linthicum Heights

Bethesda

Reston

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.