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$311+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BHD
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap 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 December 10, 2025.

This Delta deal was found by Cheapflights users on 12/8. 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.
Tue 12/236:05 pmIAD - BHD
1 stop17h 45mDelta
Wed 1/75:20 pmBHD - IAD
1 stop27h 45mDelta
Deal found 12/8$1,177
This British Airways deal was found by Cheapflights users on 12/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:35 pmBWI - BHD
1 stop9h 55mBritish Airways
Wed 1/77:25 pmBHD - BWI
1 stop28h 20mBritish Airways
Deal found 12/8$1,240
This British Airways deal was found by Cheapflights users on 12/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:05 pmIAD - BHD
2 stops14h 45mBritish Airways
Wed 1/76:35 amBHD - IAD
2 stops21h 37mBritish Airways
Deal found 12/8$1,367
This American Airlines deal was found by Cheapflights users on 12/8. 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.
Tue 12/239:00 pmIAD - BHD
2 stops14h 45mAmerican Airlines
Wed 1/79:15 amBHD - IAD
2 stops18h 57mAmerican Airlines
Deal found 12/8$1,393
This KLM deal was found by Cheapflights users on 12/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:05 pmIAD - BHD
1 stop17h 45mKLM
Tue 1/65:20 pmBHD - IAD
2 stops28h 15mKLM
Deal found 12/8$1,415
This Delta deal was found by Cheapflights users on 12/8. 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.
Mon 12/226:05 pmIAD - BHD
1 stop21h 55mDelta
Wed 1/75:20 pmBHD - IAD
1 stop27h 45mDelta
Deal found 12/8$1,417
This FlightHub deal was found by Cheapflights users on 12/8. 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 12/235:05 pmIAD - BHD
2 stops14h 45mAer Lingus
Tue 1/66:50 pmBHD - IAD
2 stops25h 45mAer Lingus
Deal found 12/8$1,421
This American Airlines deal was found by Cheapflights users on 12/8. 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.
Tue 12/238:35 pmBWI - BHD
1 stop9h 55mAmerican Airlines
Wed 1/73:40 pmBHD - BWI
1 stop32h 05mAmerican Airlines
Deal found 12/8$1,438
This Delta deal was found by Cheapflights users on 12/8. 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.
Tue 12/2310:10 amDCA - BHD
2 stops25h 40mDelta
Wed 1/75:20 pmBHD - DCA
2 stops29h 33mDelta
Deal found 12/8$1,492
This KLM deal was found by Cheapflights users on 12/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:05 pmIAD - BHD
1 stop21h 55mKLM
Sun 1/45:20 pmBHD - IAD
1 stop27h 45mKLM
Deal found 12/9$1,512
This KLM deal was found by Cheapflights users on 12/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:05 pmIAD - BHD
1 stop21h 55mKLM
Tue 1/65:20 pmBHD - IAD
2 stops28h 26mKLM
Deal found 12/8$1,546
This FlightHub deal was found by Cheapflights users on 12/8. 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 12/235:41 pmDCA - BHD
2 stops16h 09mBritish Airways
Tue 1/610:00 amBHD - DCA
2 stops17h 55mBritish Airways
Deal found 12/8$1,567

Find 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 December 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$621
(Cheapflightsfares)

One-way from

$311
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. (WAS)-Belfast City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Belfast City flights.
Search Deals
From Washington, D.C. (WAS) to Belfast City
Search Deals
One-way flight from Washington, D.C. (WAS) to Belfast City
Search Deals

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 December 10, 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

6:35 am-8:55 pm

1 stop18h 20m

$621

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Thu 1/8

8:35 pm-2:00 pm

1 stop12h 25m

Belfast City

Thu 1/22

11:05 am-6:45 pm

1 stop12h 40m

$641

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 3/16

10:45 pm-2:15 pm

1 stop11h 30m

Belfast City

Sun 3/22

5:35 pm-4:35 pm

1 stop27h 00m

$642

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 2/11

9:45 pm-4:35 pm

1 stop13h 50m

Belfast City

Sun 2/15

9:10 am-7:55 pm

1 stop15h 45m

$644

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-10:15 am

1 stop10h 55m

Belfast City

Sun 3/8

5:35 pm-4:35 pm

1 stop27h 00m

$644

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Wed 2/11

8:35 pm-2:15 pm

1 stop12h 40m

Belfast City

Sun 2/15

6:30 am-6:45 pm

1 stop17h 15m

$644

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Wed 2/25

8:35 pm-2:15 pm

1 stop12h 40m

Belfast City

Sun 3/1

10:40 am-6:45 pm

1 stop13h 05m

$644

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Mon 3/16

5:00 pm-10:40 am

2 stops13h 40m

Belfast City

Sun 3/22

9:10 am-10:00 pm

2 stops16h 50m

$656

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

12:23 pm-4:50 pm

2 stops23h 27m

Belfast City

Thu 3/12

6:30 am-5:05 pm

1 stop14h 35m

$669

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Mon 3/16

7:59 pm-4:50 pm

2 stops16h 51m

Belfast City

Sun 3/22

5:20 pm-5:05 pm

1 stop27h 45m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 23 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Belfast City Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 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 Baltimore/Washington - Belfast City, Washington, D.C. Dulles Intl - Belfast City and Washington, D.C. Reagan-National - 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 City flights
Dulles Intl to Belfast Intl flights
Reagan-National to Belfast City flights
Reagan-National to Belfast Intl 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 December 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$620Average$813FlexibilityNo cancel feeOn-time70%

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