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Cheap flights from Washington, D.C. Reagan-National Airport to Belfast from $657

This is the cheapest round-trip 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 3/16. 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
5:23 pm - 10:40 amDCA-BHD
13h 17m2 stops
American Airlines Logo
10:40 am - 10:46 pmBHD-DCA
16h 06m2 stops
$657American Airlines
Find Deal
Mon, Mar 16 - Sun, Mar 22
Virgin Atlantic Logo
5:30 pm - 9:00 pmDCA-BHD
22h 30m2 stops
Virgin Atlantic Logo
6:30 am - 7:53 pmBHD-DCA
18h 23m2 stops
$670Virgin Atlantic
Find Deal
Wed, Nov 12 - Sun, Nov 16
British Airways Logo
1:44 pm - 10:15 amDCA-BHD
15h 31m2 stops
British Airways Logo
12:10 pm - 9:43 pmBHD-DCA
14h 33m2 stops
$1,760British Airways
Find Deal
Wed, Nov 26 - Sun, Nov 30

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Belfast City 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 October 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Belfast City Airport 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

5:23 pm-10:40 am

2 stops13h 17m

Belfast City

Sun 3/22

10:40 am-10:46 pm

2 stops16h 06m

$657

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/12

5:30 pm-9:00 pm

2 stops22h 30m

Belfast City

Sun 11/16

6:30 am-7:53 pm

2 stops18h 23m

$670

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Wed 11/26

1:44 pm-10:15 am

2 stops15h 31m

Belfast City

Sun 11/30

12:10 pm-9:43 pm

2 stops14h 33m

$1,760

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to Belfast City Airport

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 City Airport?

On average, the least expensive day to fly to Belfast City Airport from Washington, D.C. Reagan-National Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $626. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Washington, D.C. Reagan-National Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $873.

What is the cheapest time of day to depart on your flight to Belfast City Airport?

According to our data, the cheapest time of day to fly to Belfast City Airport is in the afternoon. momondo users have found flights departing from Washington, D.C. Reagan-National Airport to Belfast City Airport in the afternoon for as low as $708. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $779.

When to book flights from Washington, D.C. Reagan-National Airport to Belfast City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Belfast City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Belfast City Airport (DCA to BHD) 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 City Airport

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to Belfast City Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Belfast City Airport.
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  • How far is Washington, D.C. Reagan-National to Belfast City by plane?

    Belfast City is 3378.1 mi away from Washington, D.C. Reagan-National. 13h 17m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Belfast City Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 City Airport.

  • What documentation or ID do you need to fly to Belfast City Airport?

    The necessary travel and health documents for your Belfast City 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.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

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?

Yes. All flights to Belfast from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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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