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Cheap flights from District of Columbia to Belfast from $286

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 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from District of Columbia to Belfast

Cheap round-trip flights

British Airways Logo
7:25 pm - 11:55 amIAD-BHD
11h 30m1 stop
British Airways Logo
7:25 pm - 5:30 pmBHD-IAD
26h 05m2 stops
$619British Airways
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Wed, Oct 22 - Mon, Oct 27
British Airways Logo
10:45 pm - 3:35 pmIAD-BHD
11h 50m1 stop
British Airways Logo
12:15 pm - 8:15 pmBHD-IAD
13h 00m1 stop
$624British Airways
Find Deal
Wed, Oct 1 - Mon, Oct 6
American Airlines Logo
3:59 pm - 10:40 amDCA-BHD
13h 41m2 stops
American Airlines Logo
9:10 am - 8:02 pmBHD-DCA
15h 52m2 stops
$643American Airlines
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Mon, Dec 8 - Sun, Dec 21
Logo
10:20 pm - 9:40 pmIAD-BFS
18h 20m3 stops
Logo
6:45 am - 8:50 pmBFS-IAD
43h 05m3 stops
$660
Find Deal
Thu, Oct 2 - Mon, Oct 6
Logo
5:00 pm - 7:25 pmIAD-BFS
21h 25m2 stops
Logo
7:25 am - 3:20 pmBFS-IAD
36h 55m3 stops
$672
Find Deal
Tue, Sep 23 - Tue, Sep 30
Virgin Atlantic Logo
5:00 pm - 4:50 pmDCA-BHD
18h 50m2 stops
Virgin Atlantic Logo
6:30 am - 5:27 pmBHD-DCA
15h 57m2 stops
$829Virgin Atlantic
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Wed, Nov 12 - Sun, Nov 16
Virgin Atlantic Logo
7:10 pm - 9:15 pmIAD-BHD
21h 05m2 stops
Virgin Atlantic Logo
6:30 am - 7:18 pmBHD-IAD
17h 48m2 stops
$830Virgin Atlantic
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Tue, Oct 14 - Fri, Oct 24
Delta Logo
5:15 pm - 4:50 pmDCA-BHD
18h 35m2 stops
Delta Logo
5:20 pm - 4:32 pmBHD-DCA
28h 12m2 stops
$830Delta
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Wed, Nov 19 - Sun, Nov 23
American Airlines Logo
8:19 pm - 5:30 pmIAD-BHD
16h 11m2 stops
American Airlines Logo
6:40 am - 6:51 pmBHD-IAD
17h 11m2 stops
$835American Airlines
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Mon, Sep 1 - Mon, Sep 15
Delta Logo
5:00 pm - 9:15 pmIAD-BHD
23h 15m2 stops
Delta Logo
6:30 am - 3:35 pmBHD-IAD
14h 05m1 stop
$5,846Delta
Find Deal
Fri, Sep 12 - Fri, Sep 19

Virgin Atlantic flights from District of Columbia to Belfast

Our best Virgin Atlantic deals on District of Columbia to Belfast flight tickets
Virgin Atlantic
Nov 12
DCA5:00 pmWashington, D.C. Reagan-National
18h 50m
2 stops
BHD4:50 pmBelfast City
Nov 16
BHD6:30 amBelfast City
15h 57m
2 stops
DCA5:27 pmWashington, D.C. Reagan-National
$829
Find similar
Virgin Atlantic
Oct 14
IAD7:10 pmWashington, D.C. Dulles Intl
21h 05m
2 stops
BHD9:15 pmBelfast City
Oct 24
BHD6:30 amBelfast City
17h 48m
2 stops
IAD7:18 pmWashington, D.C. Dulles Intl
$830
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British Airways flights from District of Columbia to Belfast

Our best British Airways deals on District of Columbia to Belfast flight tickets
British Airways
Oct 22
IAD7:25 pmWashington, D.C. Dulles Intl
11h 30m
1 stop
BHD11:55 amBelfast City
Oct 27
BHD7:25 pmBelfast City
26h 05m
2 stops
IAD5:30 pmWashington, D.C. Dulles Intl
$619
Find similar
British Airways
Oct 1
IAD10:45 pmWashington, D.C. Dulles Intl
11h 50m
1 stop
BHD3:35 pmBelfast City
Oct 6
BHD12:15 pmBelfast City
13h 00m
1 stop
IAD8:15 pmWashington, D.C. Dulles Intl
$624
Find similar
British Airways
Oct 22
IAD7:25 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
BHD1:30 pmBelfast City
Oct 27
BHD6:35 amBelfast City
14h 00m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
$625
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 August 13, 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

Wed 10/22

7:25 pm-11:55 am

1 stop11h 30m

Belfast City

Mon 10/27

7:25 pm-5:30 pm

2 stops26h 05m

$619

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 10/1

10:45 pm-3:35 pm

1 stop11h 50m

Belfast City

Mon 10/6

12:15 pm-8:15 pm

1 stop13h 00m

$624

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 12/8

3:59 pm-10:40 am

2 stops13h 41m

Belfast City

Sun 12/21

9:10 am-8:02 pm

2 stops15h 52m

$643

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Thu 10/2

10:20 pm-9:40 pm

3 stops18h 20m

Belfast Intl

Mon 10/6

6:45 am-8:50 pm

3 stops43h 05m

$660

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 9/23

5:00 pm-7:25 pm

2 stops21h 25m

Belfast Intl

Tue 9/30

7:25 am-3:20 pm

3 stops36h 55m

$672

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/12

5:00 pm-4:50 pm

2 stops18h 50m

Belfast City

Sun 11/16

6:30 am-5:27 pm

2 stops15h 57m

$829

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 10/14

7:10 pm-9:15 pm

2 stops21h 05m

Belfast City

Fri 10/24

6:30 am-7:18 pm

2 stops17h 48m

$830

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/19

5:15 pm-4:50 pm

2 stops18h 35m

Belfast City

Sun 11/23

5:20 pm-4:32 pm

2 stops28h 12m

$830

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 9/1

8:19 pm-5:30 pm

2 stops16h 11m

Belfast City

Mon 9/15

6:40 am-6:51 pm

2 stops17h 11m

$835

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 9/12

5:00 pm-9:15 pm

2 stops23h 15m

Belfast City

Fri 9/19

6:30 am-3:35 pm

1 stop14h 05m

$5,846

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

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 month to fly to Belfast?

In general, February is the cheapest month to fly from District of Columbia to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $618. If you don’t want to visit Belfast in February, then you should wait until August to fly from District of Columbia, when ticket prices are also cheap, with an average price of $618.

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

Best Price Found

$286

Fastest flight time

9h 50m

Direct flights

None

Airports in Belfast

2 airports
The best one-way flight to Belfast from District of Columbia in the past 72 hours is $286. The best round-trip flight deal from District of Columbia to Belfast found on momondo in the last 72 hours is $619.
The fastest flight from District of Columbia to Belfast takes 9h 50m
There are no direct flights from District of Columbia to Belfast. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Belfast City Airport, Washington, D.C. Reagan-National Airport - Belfast City Airport and Washington, D.C. Dulles Intl Airport - Belfast Intl Airport.
There are 2 airports near Belfast: Belfast Intl (BFS), Belfast City (BHD)
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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
6.6
7,265 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