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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from $378

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 9/11. 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
4:43 pm - 10:45 am
DCA
-
BHD
13h 02m
2 stops
British Airways Logo
9:35 am - 8:20 pm
BHD
-
DCA
15h 45m
2 stops
$975British Airways
Tue, May 19 - Thu, May 28
British Airways Logo
7:17 pm - 12:55 pm
DCA
-
BHD
12h 38m
2 stops
British Airways Logo
9:35 am - 9:23 pm
BHD
-
DCA
16h 48m
2 stops
$1,027British Airways
Mon, Aug 10 - Thu, Aug 13
Multiple Airlines Logo
9:40 am - 3:55 pm
DCA
-
BFS
25h 15m
3 stops
Multiple Airlines Logo
7:35 am - 7:58 pm
BFS
-
DCA
17h 23m
3 stops
$1,036Multiple Airlines
Wed, Apr 29 - Wed, May 6
British Airways Logo
2:54 pm - 10:10 am
DCA
-
BHD
14h 16m
2 stops
British Airways Logo
9:35 am - 9:23 pm
BHD
-
DCA
16h 48m
2 stops
$1,040British Airways
Thu, Aug 27 - Sat, Sep 5
British Airways Logo
10:00 pm - 2:35 pm
DCA
-
BHD
35h 35m
2 stops
British Airways Logo
6:30 am - 4:45 pm
BHD
-
DCA
15h 15m
2 stops
$1,049British Airways
Sat, May 9 - Sun, May 17
British Airways Logo
5:31 pm - 3:30 pm
DCA
-
BHD
16h 59m
2 stops
British Airways Logo
11:00 am - 10:29 pm
BHD
-
DCA
16h 29m
2 stops
$1,051British Airways
Fri, May 8 - Sun, May 17
British Airways Logo
5:30 pm - 3:30 pm
DCA
-
BHD
17h 00m
2 stops
British Airways Logo
11:00 am - 9:23 pm
BHD
-
DCA
15h 23m
2 stops
$1,070British Airways
Fri, Aug 7 - Sun, Aug 30
British Airways Logo
2:58 pm - 3:20 pm
DCA
-
BHD
19h 22m
2 stops
British Airways Logo
9:35 am - 11:22 pm
BHD
-
DCA
18h 47m
2 stops
$1,077British Airways
Tue, Jul 14 - Fri, Jul 24
British Airways Logo
3:00 pm - 12:55 pm
DCA
-
BHD
16h 55m
2 stops
British Airways Logo
9:40 am - 11:22 pm
BHD
-
DCA
18h 42m
2 stops
$1,125British Airways
Mon, Jul 20 - Mon, Jul 27
Multiple Airlines Logo
6:00 am - 3:15 pm
DCA
-
BFS
28h 15m
3 stops
Multiple Airlines Logo
9:55 pm - 3:30 pm
BFS
-
DCA
22h 35m
3 stops
$1,129Multiple Airlines
Tue, Mar 31 - Mon, Apr 6

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
May 19
DCA4:43 pmWashington, D.C. Reagan-National
13h 02m
2 stops
BHD10:45 amBelfast City
May 28
BHD9:35 amBelfast City
15h 45m
2 stops
DCA8:20 pmWashington, D.C. Reagan-National
$975
British Airways
Aug 10
DCA7:17 pmWashington, D.C. Reagan-National
12h 38m
2 stops
BHD12:55 pmBelfast City
Aug 13
BHD9:35 amBelfast City
16h 48m
2 stops
DCA9:23 pmWashington, D.C. Reagan-National
$1,027
British Airways
Aug 27
DCA2:54 pmWashington, D.C. Reagan-National
14h 16m
2 stops
BHD10:10 amBelfast City
Sep 5
BHD9:35 amBelfast City
16h 48m
2 stops
DCA9:23 pmWashington, D.C. Reagan-National
$1,040

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
Jul 14
DCA4:38 pmWashington, D.C. Reagan-National
13h 07m
2 stops
BHD10:45 amBelfast City
Jul 24
BHD9:35 amBelfast City
16h 16m
2 stops
DCA8:51 pmWashington, D.C. Reagan-National
$1,233
American Airlines
May 24
DCA2:24 pmWashington, D.C. Reagan-National
15h 06m
2 stops
BHD10:30 amBelfast City
May 31
BHD11:00 amBelfast City
15h 59m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$1,405
American Airlines
May 23
DCA5:26 pmWashington, D.C. Reagan-National
13h 59m
2 stops
BHD12:25 pmBelfast City
May 30
BHD7:05 amBelfast City
15h 19m
2 stops
DCA5:24 pmWashington, D.C. Reagan-National
$1,475

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 March 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Belfast that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 5/19

4:43 pm-10:45 am

2 stops13h 02m

Belfast City

Thu 5/28

9:35 am-8:20 pm

2 stops15h 45m

$975

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 8/10

7:17 pm-12:55 pm

2 stops12h 38m

Belfast City

Thu 8/13

9:35 am-9:23 pm

2 stops16h 48m

$1,027

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 4/29

9:40 am-3:55 pm

3 stops25h 15m

Belfast Intl

Wed 5/6

7:35 am-7:58 pm

3 stops17h 23m

$1,036

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 8/27

2:54 pm-10:10 am

2 stops14h 16m

Belfast City

Sat 9/5

9:35 am-9:23 pm

2 stops16h 48m

$1,040

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 5/9

10:00 pm-2:35 pm

2 stops35h 35m

Belfast City

Sun 5/17

6:30 am-4:45 pm

2 stops15h 15m

$1,049

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 5/8

5:31 pm-3:30 pm

2 stops16h 59m

Belfast City

Sun 5/17

11:00 am-10:29 pm

2 stops16h 29m

$1,051

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 8/7

5:30 pm-3:30 pm

2 stops17h 00m

Belfast City

Sun 8/30

11:00 am-9:23 pm

2 stops15h 23m

$1,070

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Tue 7/14

2:58 pm-3:20 pm

2 stops19h 22m

Belfast City

Fri 7/24

9:35 am-11:22 pm

2 stops18h 47m

$1,077

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 7/20

3:00 pm-12:55 pm

2 stops16h 55m

Belfast City

Mon 7/27

9:40 am-11:22 pm

2 stops18h 42m

$1,125

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 3/31

6:00 am-3:15 pm

3 stops28h 15m

Belfast Intl

Mon 4/6

9:55 pm-3:30 pm

3 stops22h 35m

$1,129

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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 is the most popular carrier 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

13h 40m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Belfast takes 13h 40m
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 13h 40m 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