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$324+ Cheap flights from Washington, D.C. (WAS) to Belfast City (BHD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BHD
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$640
(Cheapflightsfares)

One-way from

$324
(Kiwi.com)

Popular in

June

Cheapest in

February
Provider with most accurate pricing for Washington, D.C. (WAS)-Belfast City flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Belfast City flights.
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From Washington, D.C. (WAS) to Belfast City
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One-way flight from Washington, D.C. (WAS) to Belfast City
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Highest demand for flights based on searches. 18% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Find flight deals from Washington, D.C. to Belfast City

Cheapest flights from Washington, D.C. to Belfast City
Explore the most affordable flight options available from Washington, D.C. to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Virgin Atlantic deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:05 pmIAD - BHD
1 stop17h 45mVirgin Atlantic
Sun 11/165:20 pmBHD - IAD
1 stop27h 45mVirgin Atlantic
Deal found 10/21$656
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:05 pmIAD - BHD
1 stop17h 45mDelta
Sun 11/166:30 amBHD - IAD
1 stop14h 35mDelta
Deal found 10/19$657
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:05 pmIAD - BHD
1 stop21h 55mDelta
Wed 12/36:30 amBHD - IAD
2 stops17h 49mDelta
Deal found 10/21$666
This Air France deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:05 pmIAD - BHD
1 stop21h 55mKLM
Mon 11/36:30 amBHD - IAD
2 stops17h 09mKLM
Deal found 10/20$667
This Virgin Atlantic deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:30 pmDCA - BHD
2 stops18h 20mVirgin Atlantic
Sun 11/166:30 amBHD - DCA
2 stops21h 26mVirgin Atlantic
Deal found 10/21$671
This American Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:20 pmIAD - BHD
1 stop9h 50mAmerican Airlines
Wed 11/266:35 amBHD - IAD
2 stops17h 45mAmerican Airlines
Deal found 10/20$722
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/197:40 pmIAD - BHD
2 stops18h 20mMultiple Airlines
Wed 11/267:25 amBHD - IAD
2 stops16h 05mMultiple Airlines
Deal found 10/20$747
This Virgin Atlantic deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:05 pmIAD - BHD
1 stop17h 45mVirgin Atlantic
Thu 11/276:30 amBHD - IAD
1 stop14h 35mVirgin Atlantic
Deal found 10/21$776
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:45 pmIAD - BHD
1 stop12h 05mBritish Airways
Wed 12/312:25 pmBHD - IAD
1 stop12h 30mBritish Airways
Deal found 10/20$790
This oojo deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:21 pmBWI - BHD
2 stops15h 24mBritish Airways
Wed 12/39:15 amBHD - BWI
1 stop14h 30mBritish Airways
Deal found 10/20$803
This oojo deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:44 pmDCA - BHD
2 stops15h 46mBritish Airways
Wed 12/33:40 pmBHD - DCA
2 stops23h 22mBritish Airways
Deal found 10/21$806
This FlightHub deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:35 pmBWI - BHD
1 stop12h 40mBritish Airways
Wed 12/312:25 pmBHD - BWI
1 stop11h 20mBritish Airways
Deal found 10/20$808

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Belfast City 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, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Belfast City Airport that are best for you.

Fly from

Washington, D.C.

Fly to

Belfast City

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

6:20 pm-10:20 am

1 stop11h 00m

Belfast City

Thu 3/12

11:05 am-8:55 pm

1 stop13h 50m

$640

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 11/25

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Wed 12/3

6:30 am-4:05 pm

1 stop14h 35m

$656

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Sun 11/16

5:20 pm-4:05 pm

1 stop27h 45m

$656

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Wed 12/3

6:30 am-4:05 pm

1 stop14h 35m

$656

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Wed 12/3

5:20 pm-4:05 pm

1 stop27h 45m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Sun 11/16

6:30 am-4:05 pm

1 stop14h 35m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/19

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Wed 11/26

6:30 am-4:05 pm

1 stop14h 35m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Tue 11/25

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Wed 12/3

5:20 pm-4:05 pm

1 stop27h 45m

$657

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

4:04 pm-10:40 am

2 stops14h 36m

Belfast City

Sun 3/22

10:40 am-10:46 pm

2 stops16h 06m

$659

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 12/5

12:19 pm-4:50 pm

2 stops23h 31m

Belfast City

Mon 12/8

6:30 am-4:05 pm

1 stop14h 35m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 32 results
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Compare providers for flights from Washington, D.C. to Belfast City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Belfast City in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Belfast City Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Belfast City Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Belfast City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Belfast City Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Belfast City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Belfast City Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Belfast City Airport?

    Departing from Washington, D.C. to Belfast City Airport will take you 11h. The distance between Washington, D.C. and Belfast City Airport is about 3390 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. to Belfast City Airport round-trip?

    Currently priced at $620, British Airways will fly you from Washington, D.C. to Belfast City Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip.

  • What are the cheapest airlines to fly from Washington, D.C. to Belfast City Airport one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $378. Users have also found prices from $388 and $728 on American Airlines and KLM, respectively.

  • What are the most popular routes from Washington, D.C. to Belfast City Airport?

    The most popular flight routes from Washington, D.C. to Belfast City Airport are Washington, D.C. Dulles Intl - Belfast City, Washington, D.C. Reagan-National - Belfast City and Baltimore/Washington - Belfast City.

  • Can I find deals for flights from Washington, D.C. to Belfast City that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Belfast City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Belfast City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Belfast City.

  • Can I find deals for business class flights from Washington, D.C. to Belfast City?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Belfast City Airport?

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

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Alternative routes for Washington, D.C. to Belfast City

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Belfast Intl flights
Dulles Intl to Belfast City flights
Reagan-National to Belfast Intl flights
Reagan-National to Belfast City flights

Top airline flying from Washington, D.C. to Belfast City

Discover the top airline that operate flights from Washington, D.C. to Belfast City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$620Average$834FlexibilityNo cancel feeOn-time70%

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