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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from $434

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 1/28. 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
10:15 pm - 8:25 am
DCA
-
BHD
29h 10m2 stops
British Airways Logo
10:00 am - 9:30 pm
BHD
-
DCA
16h 30m2 stops
$643British Airways
Thu, Jan 15 - Tue, Jan 20
British Airways Logo
1:44 pm - 10:40 am
DCA
-
BHD
16h 56m2 stops
British Airways Logo
8:25 pm - 4:37 pm
BHD
-
DCA
24h 12m2 stops
$669British Airways
Mon, Mar 16 - Sun, Mar 22
British Airways Logo
7:59 pm - 4:05 pm
DCA
-
BHD
16h 06m2 stops
British Airways Logo
6:30 am - 6:48 pm
BHD
-
DCA
16h 18m2 stops
$797British Airways
Mon, Mar 16 - Sun, Mar 22
British Airways Logo
1:44 pm - 10:15 am
DCA
-
BHD
15h 31m2 stops
British Airways Logo
6:30 am - 11:00 pm
BHD
-
DCA
21h 30m2 stops
$859British Airways
Wed, Feb 11 - Sun, Feb 15
Multiple Airlines Logo
11:05 am - 2:00 pm
DCA
-
BFS
21h 55m2 stops
Multiple Airlines Logo
6:30 am - 8:55 am
BFS
-
DCA
31h 25m3 stops
$1,027Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
9:40 am - 2:40 pm
DCA
-
BFS
24h 00m3 stops
Multiple Airlines Logo
10:35 am - 8:55 am
BFS
-
DCA
27h 20m3 stops
$1,535Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
4:15 pm - 7:25 pm
DCA
-
BFS
22h 10m2 stops
Multiple Airlines Logo
7:30 am - 9:58 pm
BFS
-
DCA
19h 28m2 stops
$1,609Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
9:40 am - 2:40 pm
DCA
-
BFS
24h 00m3 stops
Multiple Airlines Logo
7:30 am - 9:58 pm
BFS
-
DCA
19h 28m2 stops
$2,670Multiple Airlines
Fri, Jan 30 - Fri, Feb 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
Jan 15
DCA10:15 pmWashington, D.C. Reagan-National
29h 10m
2 stops
BHD8:25 amBelfast City
Jan 20
BHD10:00 amBelfast City
16h 30m
2 stops
DCA9:30 pmWashington, D.C. Reagan-National
$643
Find similar
British Airways
Mar 16
DCA1:44 pmWashington, D.C. Reagan-National
16h 56m
2 stops
BHD10:40 amBelfast City
Mar 22
BHD8:25 pmBelfast City
24h 12m
2 stops
DCA4:37 pmWashington, D.C. Reagan-National
$669
Find similar
British Airways
Mar 16
DCA7:59 pmWashington, D.C. Reagan-National
16h 06m
2 stops
BHD4:05 pmBelfast City
Mar 22
BHD6:30 amBelfast City
16h 18m
2 stops
DCA6:48 pmWashington, D.C. Reagan-National
$797
Find similar

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 December 18, 2025.
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

Thu 1/15

10:15 pm-8:25 am

2 stops29h 10m

Belfast City

Tue 1/20

10:00 am-9:30 pm

2 stops16h 30m

$643

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

1:44 pm-10:40 am

2 stops16h 56m

Belfast City

Sun 3/22

8:25 pm-4:37 pm

2 stops24h 12m

$669

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

7:59 pm-4:05 pm

2 stops16h 06m

Belfast City

Sun 3/22

6:30 am-6:48 pm

2 stops16h 18m

$797

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 2/11

1:44 pm-10:15 am

2 stops15h 31m

Belfast City

Sun 2/15

6:30 am-11:00 pm

2 stops21h 30m

$859

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Sun 2/1

11:05 am-2:00 pm

2 stops21h 55m

Belfast Intl

Sun 2/8

6:30 am-8:55 am

3 stops31h 25m

$1,027

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 1/30

9:40 am-2:40 pm

3 stops24h 00m

Belfast Intl

Fri 2/6

10:35 am-8:55 am

3 stops27h 20m

$1,535

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 1/30

4:15 pm-7:25 pm

2 stops22h 10m

Belfast Intl

Fri 2/6

7:30 am-9:58 pm

2 stops19h 28m

$1,609

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Fri 1/30

9:40 am-2:40 pm

3 stops24h 00m

Belfast Intl

Fri 2/6

7:30 am-9:58 pm

2 stops19h 28m

$2,670

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 1/28

6:34 pm-2:15 pm

2 stops14h 41m

$434

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 2/19

4:35 pm-10:20 am

2 stops12h 45m

$484

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Belfast?

The cheapest day to depart from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National Airport 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 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 36m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Belfast takes 12h 36m
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 12h 36m 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