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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from $262

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Belfast departing on 5/6. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:16 pm - 10:15 am
DCA
-
BHD
14h 59m
2 stops
British Airways Logo
9:05 am - 8:43 pm
BHD
-
DCA
15h 38m
2 stops
$652British Airways
Wed, Mar 4 - Thu, Mar 12
American Airlines Logo
1:54 pm - 10:15 am
DCA
-
BHD
15h 21m
2 stops
American Airlines Logo
10:40 am - 10:24 pm
BHD
-
DCA
15h 44m
2 stops
$662American Airlines
Wed, Mar 4 - Thu, Mar 12
American Airlines Logo
4:45 pm - 10:20 am
DCA
-
BHD
12h 35m
2 stops
American Airlines Logo
10:40 am - 10:24 pm
BHD
-
DCA
15h 44m
2 stops
$665American Airlines
Sun, Mar 1 - Sun, Mar 8
American Airlines Logo
4:00 pm - 12:25 pm
DCA
-
BHD
15h 25m
2 stops
American Airlines Logo
6:30 am - 5:59 pm
BHD
-
DCA
16h 29m
2 stops
$682American Airlines
Sat, Apr 4 - Sun, Apr 12
Delta Logo
2:35 pm - 4:50 pm
DCA
-
BHD
21h 15m
2 stops
Delta Logo
6:30 am - 10:08 pm
BHD
-
DCA
20h 38m
2 stops
$688Delta
Fri, Feb 20 - Mon, Feb 23
British Airways Logo
4:34 pm - 10:40 am
DCA
-
BHD
14h 06m
2 stops
British Airways Logo
8:25 pm - 6:48 pm
BHD
-
DCA
26h 23m
2 stops
$778British Airways
Mon, Mar 16 - Sun, Mar 22
Multiple Airlines Logo
6:59 am - 2:00 pm
DCA
-
BFS
26h 01m
2 stops
Multiple Airlines Logo
6:30 am - 7:55 am
BFS
-
DCA
30h 25m
3 stops
$843Multiple Airlines
Sun, Mar 1 - Sun, Mar 8
British Airways Logo
1:41 pm - 10:30 am
DCA
-
BHD
15h 49m
2 stops
British Airways Logo
11:30 am - 11:59 pm
BHD
-
DCA
17h 29m
2 stops
$846British Airways
Fri, Feb 20 - Mon, Feb 23
British Airways Logo
2:16 pm - 10:15 am
DCA
-
BHD
14h 59m
2 stops
British Airways Logo
10:40 am - 8:59 am
BHD
-
DCA
26h 19m
2 stops
$867British Airways
Wed, Mar 4 - Sun, Mar 8
Multiple Airlines Logo
4:10 pm - 1:25 pm
DCA
-
BFS
17h 15m
3 stops
Multiple Airlines Logo
6:30 am - 8:55 am
BFS
-
DCA
30h 25m
3 stops
$1,108Multiple Airlines
Tue, Mar 17 - Tue, Mar 24

American Airlines flights from Washington, D.C. Reagan-National Airport to Belfast

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Belfast flight tickets
American Airlines
Mar 4
DCA1:54 pmWashington, D.C. Reagan-National
15h 21m
2 stops
BHD10:15 amBelfast City
Mar 12
BHD10:40 amBelfast City
15h 44m
2 stops
DCA10:24 pmWashington, D.C. Reagan-National
$662
American Airlines
Mar 1
DCA4:45 pmWashington, D.C. Reagan-National
12h 35m
2 stops
BHD10:20 amBelfast City
Mar 8
BHD10:40 amBelfast City
15h 44m
2 stops
DCA10:24 pmWashington, D.C. Reagan-National
$665
American Airlines
Apr 4
DCA4:00 pmWashington, D.C. Reagan-National
15h 25m
2 stops
BHD12:25 pmBelfast City
Apr 12
BHD6:30 amBelfast City
16h 29m
2 stops
DCA5:59 pmWashington, D.C. Reagan-National
$682

British Airways flights from Washington, D.C. Reagan-National Airport to Belfast

Our best British Airways deals on Washington, D.C. Reagan-National Airport to Belfast flight tickets
British Airways
Mar 4
DCA2:16 pmWashington, D.C. Reagan-National
14h 59m
2 stops
BHD10:15 amBelfast City
Mar 12
BHD9:05 amBelfast City
15h 38m
2 stops
DCA8:43 pmWashington, D.C. Reagan-National
$652
British Airways
Mar 16
DCA4:34 pmWashington, D.C. Reagan-National
14h 06m
2 stops
BHD10:40 amBelfast City
Mar 22
BHD8:25 pmBelfast City
26h 23m
2 stops
DCA6:48 pmWashington, D.C. Reagan-National
$778
British Airways
Feb 20
DCA1:41 pmWashington, D.C. Reagan-National
15h 49m
2 stops
BHD10:30 amBelfast City
Feb 23
BHD11:30 amBelfast City
17h 29m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$846

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 February 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 3/4

2:16 pm-10:15 am

2 stops14h 59m

Belfast City

Thu 3/12

9:05 am-8:43 pm

2 stops15h 38m

$652

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 3/4

1:54 pm-10:15 am

2 stops15h 21m

Belfast City

Thu 3/12

10:40 am-10:24 pm

2 stops15h 44m

$662

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 3/1

4:45 pm-10:20 am

2 stops12h 35m

Belfast City

Sun 3/8

10:40 am-10:24 pm

2 stops15h 44m

$665

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 4/4

4:00 pm-12:25 pm

2 stops15h 25m

Belfast City

Sun 4/12

6:30 am-5:59 pm

2 stops16h 29m

$682

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 2/20

2:35 pm-4:50 pm

2 stops21h 15m

Belfast City

Mon 2/23

6:30 am-10:08 pm

2 stops20h 38m

$688

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

4:34 pm-10:40 am

2 stops14h 06m

Belfast City

Sun 3/22

8:25 pm-6:48 pm

2 stops26h 23m

$778

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 3/1

6:59 am-2:00 pm

2 stops26h 01m

Belfast Intl

Sun 3/8

6:30 am-7:55 am

3 stops30h 25m

$843

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 2/20

1:41 pm-10:30 am

2 stops15h 49m

Belfast City

Mon 2/23

11:30 am-11:59 pm

2 stops17h 29m

$846

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 3/4

2:16 pm-10:15 am

2 stops14h 59m

Belfast City

Sun 3/8

10:40 am-8:59 am

2 stops26h 19m

$867

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 3/17

4:10 pm-1:25 pm

3 stops17h 15m

Belfast Intl

Tue 3/24

6:30 am-8:55 am

3 stops30h 25m

$1,108

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 airline that flies from Washington, D.C. Reagan-National to Belfast?

British Airways and KLM are the most popular carriers operating from Washington, D.C. Reagan-National to Belfast

Cheap Washington, D.C. Reagan-National Airport to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Belfast

Fastest flight time

14h 06m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Belfast takes 14h 06m
There are no direct flights from Washington, D.C. Reagan-National Airport to Belfast. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Belfast.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Belfast by plane?

    There are 3376.1 mi between Washington, D.C. Reagan-National and Belfast. Typically, this will take 14h 06m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Belfast?

    Prices for flights from Washington, D.C. Reagan-National Airport to Belfast are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Belfast?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Belfast.

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

    The necessary travel and health documents for your Belfast trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Belfast?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Belfast. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Belfast with flexible booking policies on momondo?

momondo does allow users to show only those flights to Belfast from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Belfast?

momondo helps you find the best flight between Washington, D.C. 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 Washington, D.C. to Belfast right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Washington, D.C. and alert you when they change.

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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