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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from $387

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 3/5. 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.
American Airlines Logo
6:59 pm - 2:15 pmDCA-BHD
15h 16m2 stops
American Airlines Logo
10:40 am - 10:46 pmBHD-DCA
16h 06m2 stops
$655American Airlines
Find Deal
Mon, Mar 16 - Sun, Mar 22
Delta Logo
2:59 pm - 4:50 pmDCA-BHD
20h 51m2 stops
Delta Logo
5:20 pm - 4:35 pmBHD-DCA
28h 15m2 stops
$667Delta
Find Deal
Wed, Nov 12 - Sun, Nov 16
Delta Logo
5:03 pm - 4:50 pmDCA-BHD
18h 47m2 stops
Delta Logo
5:20 pm - 6:59 pmBHD-DCA
30h 39m2 stops
$668Delta
Find Deal
Wed, Nov 12 - Sun, Nov 16
Delta Logo
5:30 pm - 4:50 pmDCA-BHD
18h 20m2 stops
Delta Logo
6:30 am - 6:00 pmBHD-DCA
16h 30m2 stops
$669Delta
Find Deal
Wed, Nov 12 - Sun, Nov 16
KLM Logo
2:30 pm - 4:55 pmDCA-BHD
21h 25m2 stops
KLM Logo
5:25 pm - 5:27 pmBHD-DCA
29h 02m2 stops
$855KLM
Find Deal
Wed, Apr 1 - Sun, Apr 5
British Airways Logo
6:10 am - 8:15 amDCA-BHD
21h 05m2 stops
British Airways Logo
5:45 pm - 3:59 pmBHD-DCA
27h 14m2 stops
$901British Airways
Find Deal
Wed, Nov 26 - Mon, Dec 1
KLM Logo
8:15 pm - 9:20 pmDCA-BHD
20h 05m2 stops
KLM Logo
6:30 am - 11:33 pmBHD-DCA
22h 03m2 stops
$906KLM
Find Deal
Wed, Apr 1 - Sun, Apr 5
Multiple Airlines Logo
5:23 pm - 10:20 amDCA-BHD
12h 57m2 stops
Multiple Airlines Logo
1:00 pm - 10:46 pmBHD-DCA
14h 46m2 stops
$938Multiple Airlines
Find Deal
Sun, Mar 22 - Sun, Mar 29
British Airways Logo
5:49 pm - 11:55 amDCA-BHD
13h 06m2 stops
British Airways Logo
10:00 am - 7:04 pmBHD-DCA
14h 04m2 stops
$995British Airways
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Wed, Apr 15 - Wed, Apr 22
Multiple Airlines Logo
11:05 am - 4:10 pmDCA-BFS
24h 05m3 stops
Multiple Airlines Logo
6:30 am - 7:45 pmBFS-DCA
18h 15m2 stops
$1,278Multiple Airlines
Find Deal
Wed, Nov 26 - Mon, Dec 1

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
Nov 12
DCA2:59 pmWashington, D.C. Reagan-National
20h 51m
2 stops
BHD4:50 pmBelfast City
Nov 16
BHD5:20 pmBelfast City
28h 15m
2 stops
DCA4:35 pmWashington, D.C. Reagan-National
$667
Find similar
Delta
Nov 12
DCA5:03 pmWashington, D.C. Reagan-National
18h 47m
2 stops
BHD4:50 pmBelfast City
Nov 16
BHD5:20 pmBelfast City
30h 39m
2 stops
DCA6:59 pmWashington, D.C. Reagan-National
$668
Find similar
Delta
Nov 12
DCA5:30 pmWashington, D.C. Reagan-National
18h 20m
2 stops
BHD4:50 pmBelfast City
Nov 16
BHD6:30 amBelfast City
16h 30m
2 stops
DCA6:00 pmWashington, D.C. Reagan-National
$669
Find similar

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

Our best KLM deals on Washington, D.C. Reagan-National Airport to Belfast flight tickets
KLM
Apr 1
DCA2:30 pmWashington, D.C. Reagan-National
21h 25m
2 stops
BHD4:55 pmBelfast City
Apr 5
BHD5:25 pmBelfast City
29h 02m
2 stops
DCA5:27 pmWashington, D.C. Reagan-National
$855
Find similar
KLM
Apr 1
DCA8:15 pmWashington, D.C. Reagan-National
20h 05m
2 stops
BHD9:20 pmBelfast City
Apr 5
BHD6:30 amBelfast City
22h 03m
2 stops
DCA11:33 pmWashington, D.C. Reagan-National
$906
Find similar
KLM
Apr 1
DCA8:15 pmWashington, D.C. Reagan-National
20h 05m
2 stops
BHD9:20 pmBelfast City
Apr 5
BHD6:30 amBelfast City
22h 03m
2 stops
DCA11:33 pmWashington, D.C. Reagan-National
$907
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 November 2, 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

Mon 3/16

6:59 pm-2:15 pm

2 stops15h 16m

Belfast City

Sun 3/22

10:40 am-10:46 pm

2 stops16h 06m

$655

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/12

2:59 pm-4:50 pm

2 stops20h 51m

Belfast City

Sun 11/16

5:20 pm-4:35 pm

2 stops28h 15m

$667

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/12

5:03 pm-4:50 pm

2 stops18h 47m

Belfast City

Sun 11/16

5:20 pm-6:59 pm

2 stops30h 39m

$668

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/12

5:30 pm-4:50 pm

2 stops18h 20m

Belfast City

Sun 11/16

6:30 am-6:00 pm

2 stops16h 30m

$669

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 4/1

2:30 pm-4:55 pm

2 stops21h 25m

Belfast City

Sun 4/5

5:25 pm-5:27 pm

2 stops29h 02m

$855

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/26

6:10 am-8:15 am

2 stops21h 05m

Belfast City

Mon 12/1

5:45 pm-3:59 pm

2 stops27h 14m

$901

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 4/1

8:15 pm-9:20 pm

2 stops20h 05m

Belfast City

Sun 4/5

6:30 am-11:33 pm

2 stops22h 03m

$906

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sun 3/22

5:23 pm-10:20 am

2 stops12h 57m

Belfast City

Sun 3/29

1:00 pm-10:46 pm

2 stops14h 46m

$938

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 4/15

5:49 pm-11:55 am

2 stops13h 06m

Belfast City

Wed 4/22

10:00 am-7:04 pm

2 stops14h 04m

$995

Washington, D.C.Belfast

DCA - BFS

DCABFS

Washington, D.C. Reagan-National

Wed 11/26

11:05 am-4:10 pm

3 stops24h 05m

Belfast Intl

Mon 12/1

6:30 am-7:45 pm

2 stops18h 15m

$1,278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 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

Direct flights

None
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.
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  • 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 57m 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