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Cheap flights from Belfast to Washington, D.C. from $717

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Washington, D.C. 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 Belfast to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:05 am - 10:05 pm
BHD
-
DCA
16h 00m2 stops
American Airlines Logo
5:00 pm - 10:40 am
DCA
-
BHD
13h 40m2 stops
$717American Airlines
Thu, Mar 5 - Mon, Mar 9
British Airways Logo
6:35 am - 4:57 pm
BHD
-
DCA
15h 22m2 stops
British Airways Logo
5:00 pm - 10:20 am
DCA
-
BHD
13h 20m2 stops
$718British Airways
Thu, Mar 5 - Thu, Mar 12
British Airways Logo
6:45 am - 6:54 pm
BHD
-
DCA
17h 09m2 stops
British Airways Logo
1:35 pm - 10:30 am
DCA
-
BHD
15h 55m2 stops
$721British Airways
Fri, Jan 30 - Tue, Feb 3
British Airways Logo
6:45 am - 5:08 pm
BHD
-
DCA
15h 23m2 stops
British Airways Logo
5:45 pm - 11:30 am
DCA
-
BHD
12h 45m2 stops
$723British Airways
Fri, Jan 30 - Tue, Feb 3
Delta Logo
6:30 am - 5:04 pm
BHD
-
DCA
15h 34m2 stops
Delta Logo
2:25 pm - 4:50 pm
DCA
-
BHD
22h 25m2 stops
$725Delta
Wed, Mar 4 - Wed, Mar 11
American Airlines Logo
8:45 am - 7:44 pm
BHD
-
DCA
15h 59m2 stops
American Airlines Logo
5:00 pm - 10:30 am
DCA
-
BHD
13h 30m2 stops
$748American Airlines
Fri, Mar 6 - Fri, Mar 13
KLM Logo
6:30 am - 4:27 pm
BHD
-
DCA
14h 57m2 stops
KLM Logo
8:45 pm - 4:40 pm
DCA
-
BHD
15h 55m2 stops
$1,237KLM
Wed, Mar 4 - Thu, Mar 12
Multiple Airlines Logo
2:10 pm - 7:52 pm
BFS
-
DCA
34h 42m3 stops
Multiple Airlines Logo
11:11 am - 2:05 pm
DCA
-
BFS
21h 54m3 stops
$1,332Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
KLM Logo
6:30 am - 5:04 pm
BHD
-
DCA
15h 34m2 stops
KLM Logo
8:45 pm - 4:50 pm
DCA
-
BHD
16h 05m2 stops
$1,438KLM
Wed, Mar 4 - Fri, Mar 13
British Airways Logo
6:30 am - 5:34 pm
BHD
-
DCA
16h 04m2 stops
British Airways Logo
3:30 pm - 10:15 am
DCA
-
BHD
13h 45m2 stops
$6,950British Airways
Sun, Jan 4 - Wed, Jan 7

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

Our best British Airways deals on Belfast to Washington, D.C. Reagan-National Airport flight tickets
British Airways
Mar 5
BHD6:35 amBelfast City
15h 22m
2 stops
DCA4:57 pmWashington, D.C. Reagan-National
Mar 12
DCA5:00 pmWashington, D.C. Reagan-National
13h 20m
2 stops
BHD10:20 amBelfast City
$718
Find similar
British Airways
Jan 30
BHD6:45 amBelfast City
17h 09m
2 stops
DCA6:54 pmWashington, D.C. Reagan-National
Feb 3
DCA1:35 pmWashington, D.C. Reagan-National
15h 55m
2 stops
BHD10:30 amBelfast City
$721
Find similar
British Airways
Jan 30
BHD6:45 amBelfast City
15h 23m
2 stops
DCA5:08 pmWashington, D.C. Reagan-National
Feb 3
DCA5:45 pmWashington, D.C. Reagan-National
12h 45m
2 stops
BHD11:30 amBelfast City
$723
Find similar

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

Our best American Airlines deals on Belfast to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Mar 5
BHD11:05 amBelfast City
16h 00m
2 stops
DCA10:05 pmWashington, D.C. Reagan-National
Mar 9
DCA5:00 pmWashington, D.C. Reagan-National
13h 40m
2 stops
BHD10:40 amBelfast City
$717
Find similar
American Airlines
Mar 6
BHD8:45 amBelfast City
15h 59m
2 stops
DCA7:44 pmWashington, D.C. Reagan-National
Mar 13
DCA5:00 pmWashington, D.C. Reagan-National
13h 30m
2 stops
BHD10:30 amBelfast City
$748
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Belfast to Washington, D.C. Reagan-National Airport 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 23, 2025.
Use the filters below to find and compare flights from Belfast to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 3/5

11:05 am-10:05 pm

2 stops16h 00m

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-10:40 am

2 stops13h 40m

$717

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Thu 3/5

6:35 am-4:57 pm

2 stops15h 22m

Washington, D.C. Reagan-National

Thu 3/12

5:00 pm-10:20 am

2 stops13h 20m

$718

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 1/30

6:45 am-6:54 pm

2 stops17h 09m

Washington, D.C. Reagan-National

Tue 2/3

1:35 pm-10:30 am

2 stops15h 55m

$721

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 1/30

6:45 am-5:08 pm

2 stops15h 23m

Washington, D.C. Reagan-National

Tue 2/3

5:45 pm-11:30 am

2 stops12h 45m

$723

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 3/4

6:30 am-5:04 pm

2 stops15h 34m

Washington, D.C. Reagan-National

Wed 3/11

2:25 pm-4:50 pm

2 stops22h 25m

$725

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Fri 3/6

8:45 am-7:44 pm

2 stops15h 59m

Washington, D.C. Reagan-National

Fri 3/13

5:00 pm-10:30 am

2 stops13h 30m

$748

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 3/4

6:30 am-4:27 pm

2 stops14h 57m

Washington, D.C. Reagan-National

Thu 3/12

8:45 pm-4:40 pm

2 stops15h 55m

$1,237

BelfastWashington, D.C.

BFS - DCA

BFSDCA

Belfast Intl

Wed 2/4

2:10 pm-7:52 pm

3 stops34h 42m

Washington, D.C. Reagan-National

Wed 2/11

11:11 am-2:05 pm

3 stops21h 54m

$1,332

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Wed 3/4

6:30 am-5:04 pm

2 stops15h 34m

Washington, D.C. Reagan-National

Fri 3/13

8:45 pm-4:50 pm

2 stops16h 05m

$1,438

BelfastWashington, D.C.

BHD - DCA

BHDDCA

Belfast City

Sun 1/4

6:30 am-5:34 pm

2 stops16h 04m

Washington, D.C. Reagan-National

Wed 1/7

3:30 pm-10:15 am

2 stops13h 45m

$6,950

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Fastest flight time

14h 53m

Direct flights

None
The fastest flight from Belfast to Washington, D.C. Reagan-National Airport takes 14h 53m
There are no direct flights from Belfast to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Belfast to Washington, D.C. Reagan-National Airport.
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  • How far is Belfast to Washington, D.C. Reagan-National by plane?

    Washington, D.C. Reagan-National is 3376.1 mi away from Belfast. A reasonable flight in good conditions will take 14h 53m.

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

    Prices for flights from Belfast to Washington, D.C. Reagan-National Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport 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.

  • How do I get Price Alerts for flights from Belfast to Washington, D.C. Reagan-National Airport?

    Confirm your travel details to search for the latest offers for flights from Belfast to Washington, D.C. Reagan-National Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Belfast to Washington, D.C. Reagan-National Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

Why use momondo?

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

It is quick and easy to find Belfast to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Belfast to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Belfast to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Belfast to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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