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Cheap flights from District of Columbia to Belfast from $370

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Belfast departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from District of Columbia to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 8:30 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
19h 00m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
7:00 am - 3:10 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
37h 10m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Island
$909Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
9:55 am - 11:55 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
21h 00m2 stops Toronto Pearson Intl Glasgow Intl
Multiple Airlines Logo
2:30 pm - 7:20 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
33h 50m2 stops London Gatwick Reykjavik Keflavik Intl
$930Multiple Airlines
Sun, Sep 27 - Mon, Oct 12
Multiple Airlines Logo
8:30 pm - 8:30 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
19h 00m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
7:00 am - 3:10 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
37h 10m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Island
$933Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Virgin Atlantic Logo
5:40 pm - 9:20 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 40m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:30 pm - 3:35 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 05m1 stop Amsterdam Schiphol
$951Virgin Atlantic
Sun, Sep 27 - Mon, Oct 12
Virgin Atlantic Logo
5:40 pm - 9:20 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 40m1 stop Amsterdam Schiphol
Virgin Atlantic Logo
5:30 pm - 3:35 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 05m1 stop Amsterdam Schiphol
$952Virgin Atlantic
Sun, Sep 27 - Mon, Oct 12
British Airways Logo
9:55 pm - 2:15 pmIAD  Washington, D.C. Dulles Intl-BHD Belfast City
11h 20m1 stop London Heathrow
British Airways Logo
9:25 am - 3:40 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
11h 15m1 stop London Heathrow
$953British Airways
Wed, Nov 18 - Mon, Nov 23
British Airways Logo
6:23 pm - 2:15 pmDCA  Washington, D.C. Reagan-National-BHD Belfast City
14h 52m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
11:30 am - 11:59 pmBHD  Belfast City-DCA Washington, D.C. Reagan-National
17h 29m2 stops London Heathrow Chicago O'Hare Intl
$967British Airways
Wed, Nov 18 - Mon, Nov 23
Multiple Airlines Logo
5:40 pm - 9:20 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
10h 40m1 stop Amsterdam Schiphol
Multiple Airlines Logo
2:30 pm - 7:20 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
33h 50m2 stops London Gatwick Reykjavik Keflavik Intl
$967Multiple Airlines
Sun, Sep 27 - Mon, Oct 12
Virgin Atlantic Logo
11:10 am - 9:20 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
17h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Virgin Atlantic Logo
5:30 pm - 3:35 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 05m1 stop Amsterdam Schiphol
$972Virgin Atlantic
Sun, Sep 27 - Mon, Oct 12
Virgin Atlantic Logo
11:10 am - 9:20 amIAD  Washington, D.C. Dulles Intl-BHD Belfast City
17h 10m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
Virgin Atlantic Logo
5:30 pm - 4:28 pmBHD  Belfast City-IAD Washington, D.C. Dulles Intl
27h 58m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$974Virgin Atlantic
Sun, Sep 27 - Mon, Oct 12

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British Airways flights from District of Columbia to Belfast City Airport

Our best British Airways deals on District of Columbia to Belfast City Airport flight tickets
British Airways
Nov 18
IAD9:55 pmWashington, D.C. Dulles Intl
11h 20m
1 stop
BHD2:15 pmBelfast City
Nov 23
BHD9:25 amBelfast City
11h 15m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$953
British Airways
Nov 18
DCA6:23 pmWashington, D.C. Reagan-National
14h 52m
2 stops
BHD2:15 pmBelfast City
Nov 23
BHD11:30 amBelfast City
17h 29m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$967
British Airways
Dec 6
IAD9:45 pmWashington, D.C. Dulles Intl
11h 10m
1 stop
BHD1:55 pmBelfast City
Dec 10
BHD7:40 amBelfast City
17h 15m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$978

Virgin Atlantic flights from District of Columbia to Belfast City Airport

Our best Virgin Atlantic deals on District of Columbia to Belfast City Airport flight tickets
Virgin Atlantic
Sep 27
IAD5:40 pmWashington, D.C. Dulles Intl
10h 40m
1 stop
BHD9:20 amBelfast City
Oct 12
BHD5:30 pmBelfast City
27h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$951
Virgin Atlantic
Sep 27
IAD5:40 pmWashington, D.C. Dulles Intl
10h 40m
1 stop
BHD9:20 amBelfast City
Oct 12
BHD5:30 pmBelfast City
27h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$952
Virgin Atlantic
Sep 27
IAD11:10 amWashington, D.C. Dulles Intl
17h 10m
2 stops
BHD9:20 amBelfast City
Oct 12
BHD5:30 pmBelfast City
27h 05m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$972

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Belfast City Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from District of Columbia to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Sun 9/6

8:30 pm-8:30 pm

2 stops19h 00m

Belfast City

Sun 9/13

7:00 am-3:10 pm

3 stops37h 10m

$909

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Sun 9/27

9:55 am-11:55 am

2 stops21h 00m

Belfast City

Mon 10/12

2:30 pm-7:20 pm

2 stops33h 50m

$930

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Sun 9/6

8:30 pm-8:30 pm

2 stops19h 00m

Belfast City

Sun 9/13

7:00 am-3:10 pm

3 stops37h 10m

$933

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Sun 9/27

5:40 pm-9:20 am

1 stop10h 40m

Belfast City

Mon 10/12

5:30 pm-3:35 pm

1 stop27h 05m

$951

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Sun 9/27

5:40 pm-9:20 am

1 stop10h 40m

Belfast City

Mon 10/12

5:30 pm-3:35 pm

1 stop27h 05m

$952
Quickest round-trip

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Wed 11/18

9:55 pm-2:15 pm

1 stop11h 20m

Belfast City

Mon 11/23

9:25 am-3:40 pm

1 stop11h 15m

$953

Washington, D.C.Belfast

DCA Washington, D.C. Reagan-National - BHD Belfast City

DCABHD

Washington, D.C. Reagan-National

Wed 11/18

6:23 pm-2:15 pm

2 stops14h 52m

Belfast City

Mon 11/23

11:30 am-11:59 pm

2 stops17h 29m

$967

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Sun 9/27

5:40 pm-9:20 am

1 stop10h 40m

Belfast City

Mon 10/12

2:30 pm-7:20 pm

2 stops33h 50m

$967

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Sun 9/27

11:10 am-9:20 am

2 stops17h 10m

Belfast City

Mon 10/12

5:30 pm-3:35 pm

1 stop27h 05m

$972

Washington, D.C.Belfast

IAD Washington, D.C. Dulles Intl - BHD Belfast City

IADBHD

Washington, D.C. Dulles Intl

Sun 9/27

11:10 am-9:20 am

2 stops17h 10m

Belfast City

Mon 10/12

5:30 pm-4:28 pm

2 stops27h 58m

$974

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from District of Columbia to Belfast City Airport

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 District of Columbia to Belfast City?

Delta, KLM, and British Airways are the most popular carriers operating from District of Columbia to Belfast City

Cheap District of Columbia to Belfast City Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Belfast City Airport

Fastest flight time

11h 40m

Direct flights

None
The fastest flight from District of Columbia to Belfast City Airport takes 11h 40m
There are no direct flights from District of Columbia to Belfast City Airport. There are no popular flight routes from District of Columbia to Belfast City Airport.
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Frequently asked questions about flying from District of Columbia to Belfast City Airport

  • When did momondo last update prices for flights from District of Columbia to Belfast City Airport?

    Prices for flights from District of Columbia to Belfast City Airport are updated daily.

  • How old do you have to be to fly from District of Columbia to Belfast City Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from District of Columbia to Belfast City Airport.

  • What documentation or ID do you need to fly to Belfast City Airport?

    The travel and health documents you'll need for your trip to Belfast City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Belfast?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from District of Columbia.

Can I find flights from District of Columbia to Belfast with flexible booking policies on momondo?

All flight searches from District of Columbia to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Belfast?

momondo helps you find the best flight between District of Columbia and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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