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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from $522

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.
1 adult
1 adult, Economy, 0 bags

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.
Multiple Airlines Logo
6:00 am - 7:15 pm
DCA
-
BFS
32h 15m
3 stops
Multiple Airlines Logo
10:45 pm - 9:48 pm
BFS
-
DCA
28h 03m
3 stops
$881Multiple Airlines
Wed, Jul 29 - Wed, Aug 5
Multiple Airlines Logo
6:00 am - 7:50 pm
DCA
-
BFS
32h 50m
3 stops
Multiple Airlines Logo
5:55 am - 7:57 pm
BFS
-
DCA
19h 02m
2 stops
$885Multiple Airlines
Tue, Jul 14 - Wed, Jul 29
Multiple Airlines Logo
6:00 am - 7:15 pm
DCA
-
BFS
32h 15m
3 stops
Multiple Airlines Logo
10:45 pm - 6:12 pm
BFS
-
DCA
24h 27m
2 stops
$902Multiple Airlines
Wed, Jul 29 - Wed, Aug 5
Multiple Airlines Logo
6:00 am - 7:50 pm
DCA
-
BFS
32h 50m
3 stops
Multiple Airlines Logo
5:55 am - 12:00 pm
BFS
-
DCA
35h 05m
3 stops
$903Multiple Airlines
Tue, Jul 14 - Wed, Jul 29
Multiple Airlines Logo
11:00 am - 7:50 pm
DCA
-
BFS
27h 50m
2 stops
Multiple Airlines Logo
5:55 am - 7:57 pm
BFS
-
DCA
19h 02m
2 stops
$921Multiple Airlines
Tue, Jul 14 - Wed, Jul 29
British Airways Logo
2:00 pm - 10:15 am
DCA
-
BHD
15h 15m
2 stops
British Airways Logo
9:15 am - 6:51 pm
BHD
-
DCA
14h 36m
2 stops
$932British Airways
Wed, Nov 4 - Wed, Nov 18
British Airways Logo
3:58 pm - 12:25 pm
DCA
-
BHD
15h 27m
2 stops
British Airways Logo
11:35 am - 10:00 pm
BHD
-
DCA
15h 25m
2 stops
$983British Airways
Sat, Sep 19 - Mon, Oct 19
Delta Logo
5:05 pm - 4:55 pm
DCA
-
BHD
18h 50m
2 stops
Delta Logo
9:50 am - 8:35 pm
BHD
-
DCA
15h 45m
2 stops
$1,074Delta
Fri, Sep 11 - Wed, Sep 16
Delta Logo
5:05 pm - 4:55 pm
DCA
-
BHD
18h 50m
2 stops
Delta Logo
9:50 am - 10:03 pm
BHD
-
DCA
17h 13m
2 stops
$1,075Delta
Fri, Sep 11 - Wed, Sep 16
KLM Logo
12:55 pm - 9:20 am
DCA
-
BHD
15h 25m
2 stops
KLM Logo
9:50 am - 10:03 pm
BHD
-
DCA
17h 13m
2 stops
$1,156KLM
Wed, Jul 15 - Wed, Jul 22

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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
Nov 4
DCA2:00 pmWashington, D.C. Reagan-National
15h 15m
2 stops
BHD10:15 amBelfast City
Nov 18
BHD9:15 amBelfast City
14h 36m
2 stops
DCA6:51 pmWashington, D.C. Reagan-National
$932
British Airways
Sep 19
DCA3:58 pmWashington, D.C. Reagan-National
15h 27m
2 stops
BHD12:25 pmBelfast City
Oct 19
BHD11:35 amBelfast City
15h 25m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
$983
British Airways
Aug 9
DCA6:23 pmWashington, D.C. Reagan-National
18h 17m
2 stops
BHD5:40 pmBelfast City
Aug 24
BHD11:35 amBelfast City
16h 07m
2 stops
DCA10:42 pmWashington, D.C. Reagan-National
$1,091

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Belfast flight tickets
Delta
Sep 11
DCA5:05 pmWashington, D.C. Reagan-National
18h 50m
2 stops
BHD4:55 pmBelfast City
Sep 16
BHD9:50 amBelfast City
15h 45m
2 stops
DCA8:35 pmWashington, D.C. Reagan-National
$1,074
Delta
Sep 11
DCA5:05 pmWashington, D.C. Reagan-National
18h 50m
2 stops
BHD4:55 pmBelfast City
Sep 16
BHD9:50 amBelfast City
17h 13m
2 stops
DCA10:03 pmWashington, D.C. Reagan-National
$1,075
Delta
Jul 14
DCA12:23 pmWashington, D.C. Reagan-National
15h 57m
2 stops
BHD9:20 amBelfast City
Jul 29
BHD9:50 amBelfast City
17h 13m
2 stops
DCA10:03 pmWashington, D.C. Reagan-National
$1,129

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 June 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 7/29

6:00 am-7:15 pm

3 stops32h 15m

Belfast Intl

Wed 8/5

10:45 pm-9:48 pm

3 stops28h 03m

$881

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 7/14

6:00 am-7:50 pm

3 stops32h 50m

Belfast Intl

Wed 7/29

5:55 am-7:57 pm

2 stops19h 02m

$885

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 7/29

6:00 am-7:15 pm

3 stops32h 15m

Belfast Intl

Wed 8/5

10:45 pm-6:12 pm

2 stops24h 27m

$902

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 7/14

6:00 am-7:50 pm

3 stops32h 50m

Belfast Intl

Wed 7/29

5:55 am-12:00 pm

3 stops35h 05m

$903

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Tue 7/14

11:00 am-7:50 pm

2 stops27h 50m

Belfast Intl

Wed 7/29

5:55 am-7:57 pm

2 stops19h 02m

$921
Quickest round-trip

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/4

2:00 pm-10:15 am

2 stops15h 15m

Belfast City

Wed 11/18

9:15 am-6:51 pm

2 stops14h 36m

$932

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 9/19

3:58 pm-12:25 pm

2 stops15h 27m

Belfast City

Mon 10/19

11:35 am-10:00 pm

2 stops15h 25m

$983

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 9/11

5:05 pm-4:55 pm

2 stops18h 50m

Belfast City

Wed 9/16

9:50 am-8:35 pm

2 stops15h 45m

$1,074

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 9/11

5:05 pm-4:55 pm

2 stops18h 50m

Belfast City

Wed 9/16

9:50 am-10:03 pm

2 stops17h 13m

$1,075

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 7/15

12:55 pm-9:20 am

2 stops15h 25m

Belfast City

Wed 7/22

9:50 am-10:03 pm

2 stops17h 13m

$1,156

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 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?

Delta 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

12h 45m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Belfast takes 12h 45m
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

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Belfast

  • 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 12h 45m 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