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Cheap flights from District of Columbia to Belfast from $423

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 12/25. 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
0 bags

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Find the cheapest flights from District of Columbia to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
6:05 pm - 4:50 pmIAD-BHD
17h 45m1 stop
Virgin Atlantic Logo
5:20 pm - 4:05 pmBHD-IAD
27h 45m1 stop
$637Virgin Atlantic
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Sat, Nov 15 - Sat, Nov 22
Virgin Atlantic Logo
11:05 am - 4:50 pmIAD-BHD
24h 45m2 stops
Virgin Atlantic Logo
5:20 pm - 4:05 pmBHD-IAD
27h 45m1 stop
$640Virgin Atlantic
Find Deal
Sat, Nov 15 - Sat, Nov 22
British Airways Logo
10:45 pm - 2:15 pmIAD-BHD
11h 30m1 stop
British Airways Logo
6:30 am - 4:35 pmBHD-IAD
14h 05m1 stop
$641British Airways
Find Deal
Mon, Mar 16 - Sun, Mar 22
British Airways Logo
6:20 pm - 10:20 amIAD-BHD
11h 00m1 stop
British Airways Logo
11:30 am - 8:55 pmBHD-IAD
13h 25m1 stop
$647British Airways
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Thu, Mar 5 - Fri, Mar 13
Delta Logo
11:05 am - 4:50 pmIAD-BHD
24h 45m2 stops
Delta Logo
5:20 pm - 11:03 pmBHD-IAD
34h 43m2 stops
$672Delta
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Wed, Nov 12 - Sun, Nov 16
Delta Logo
2:59 pm - 4:50 pmDCA-BHD
20h 51m2 stops
Delta Logo
6:30 am - 6:00 pmBHD-DCA
16h 30m2 stops
$672Delta
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Wed, Nov 12 - Sun, Nov 16
Multiple Airlines Logo
7:40 pm - 7:20 pmIAD-BFS
18h 40m2 stops
Multiple Airlines Logo
7:20 am - 6:30 pmBFS-IAD
16h 10m2 stops
$674Multiple Airlines
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Wed, Nov 19 - Wed, Nov 26
KLM Logo
6:05 pm - 9:00 pmIAD-BHD
21h 55m1 stop
KLM Logo
6:30 am - 6:42 pmBHD-IAD
16h 12m2 stops
$677KLM
Find Deal
Thu, Mar 5 - Wed, Mar 11
Multiple Airlines Logo
5:30 pm - 3:25 pmIAD-BFS
16h 55m2 stops
Multiple Airlines Logo
10:25 pm - 9:00 pmBFS-IAD
27h 35m3 stops
$708Multiple Airlines
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Sat, Nov 15 - Sat, Nov 22
KLM Logo
6:50 pm - 4:50 pmIAD-BHD
17h 00m2 stops
KLM Logo
6:30 am - 6:42 pmBHD-IAD
16h 12m2 stops
$923KLM
Find Deal
Thu, Mar 5 - Fri, Mar 13

British Airways flights from District of Columbia to Belfast

Our best British Airways deals on District of Columbia to Belfast flight tickets
British Airways
Mar 16
IAD10:45 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BHD2:15 pmBelfast City
Mar 22
BHD6:30 amBelfast City
14h 05m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$641
Find similar
British Airways
Mar 5
IAD6:20 pmWashington, D.C. Dulles Intl
11h 00m
1 stop
BHD10:20 amBelfast City
Mar 13
BHD11:30 amBelfast City
13h 25m
1 stop
IAD8:55 pmWashington, D.C. Dulles Intl
$647
Find similar
British Airways
Mar 16
DCA6:59 pmWashington, D.C. Reagan-National
15h 16m
2 stops
BHD2:15 pmBelfast City
Mar 22
BHD6:30 amBelfast City
16h 18m
2 stops
DCA6:48 pmWashington, D.C. Reagan-National
$668
Find similar

Delta flights from District of Columbia to Belfast

Our best Delta deals on District of Columbia to Belfast flight tickets
Delta
Nov 12
IAD11:05 amWashington, D.C. Dulles Intl
24h 45m
2 stops
BHD4:50 pmBelfast City
Nov 16
BHD5:20 pmBelfast City
34h 43m
2 stops
IAD11:03 pmWashington, D.C. Dulles Intl
$672
Find similar
Delta
Apr 1
IAD12:30 pmWashington, D.C. Dulles Intl
23h 25m
2 stops
BHD4:55 pmBelfast City
Apr 5
BHD5:25 pmBelfast City
23h 28m
2 stops
IAD11:53 amWashington, D.C. Dulles Intl
$698
Find similar
Delta
Mar 5
IAD5:00 pmWashington, D.C. Dulles Intl
23h 00m
2 stops
BHD9:00 pmBelfast City
Mar 12
BHD6:30 amBelfast City
20h 32m
2 stops
IAD11:02 pmWashington, D.C. Dulles Intl
$789
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from District of Columbia to Belfast 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 October 6, 2025.
Use the filters below to find and compare flights from District of Columbia to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 11/15

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Sat 11/22

5:20 pm-4:05 pm

1 stop27h 45m

$637

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 11/15

11:05 am-4:50 pm

2 stops24h 45m

Belfast City

Sat 11/22

5:20 pm-4:05 pm

1 stop27h 45m

$640

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 3/16

10:45 pm-2:15 pm

1 stop11h 30m

Belfast City

Sun 3/22

6:30 am-4:35 pm

1 stop14h 05m

$641

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:20 pm-10:20 am

1 stop11h 00m

Belfast City

Fri 3/13

11:30 am-8:55 pm

1 stop13h 25m

$647

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

11:05 am-4:50 pm

2 stops24h 45m

Belfast City

Sun 11/16

5:20 pm-11:03 pm

2 stops34h 43m

$672

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/12

2:59 pm-4:50 pm

2 stops20h 51m

Belfast City

Sun 11/16

6:30 am-6:00 pm

2 stops16h 30m

$672

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 11/19

7:40 pm-7:20 pm

2 stops18h 40m

Belfast Intl

Wed 11/26

7:20 am-6:30 pm

2 stops16h 10m

$674

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Wed 3/11

6:30 am-6:42 pm

2 stops16h 12m

$677

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sat 11/15

5:30 pm-3:25 pm

2 stops16h 55m

Belfast Intl

Sat 11/22

10:25 pm-9:00 pm

3 stops27h 35m

$708

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:50 pm-4:50 pm

2 stops17h 00m

Belfast City

Fri 3/13

6:30 am-6:42 pm

2 stops16h 12m

$923

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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

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 day to depart on your flight to Belfast?

The cheapest day to depart from District of Columbia to Belfast is on a Tuesday when prices can be found for as low as $680. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to Belfast for around $884.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest District of Columbia to Belfast flights are usually those with departure times in the evening. Our users have found flights to Belfast in the evening for as low as $683. Try not to purchase tickets in the afternoon because they tend to be around $762. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap District of Columbia to Belfast flight deals and tips

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

Direct flights

None
There are no direct flights from District of Columbia to Belfast. There are no popular flight routes from District of Columbia to Belfast.
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  • When did momondo last update prices for flights from District of Columbia to Belfast?

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

  • How many operators does momondo search for flights from District of Columbia to Belfast?

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

    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.

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

    The travel and health documents you'll need for your trip to Belfast 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from District of Columbia to Belfast

Compare and see reviews for airlines that fly from District of Columbia to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $620Free CancellationRating
6.7
7,430 reviews
Search British Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from District of Columbia to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Belfast from District of Columbia on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Belfast from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of District of Columbia to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport