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$271+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BHD
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$631
(American Airlines)

One-way from

$271
(Kiwi.com)

Popular in

June

Cheapest in

August

Average price

$1,232
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. 22% potential increase in price ($219 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 16, 2025.

This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 9/67:25 pmIAD - BHD
1 stop11h 50mAmerican Airlines
Sat 12/206:30 amBHD - IAD
1 stop14h 05mAmerican Airlines
Deal found 6/14$631
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 9/129:20 pmBWI - BHD
1 stop13h 10mAmerican Airlines
Tue 9/169:35 amBHD - BWI
1 stop15h 00mAmerican Airlines
Deal found 6/14$631
This Ovago deal was found by Cheapflights users on 6/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:50 pmIAD - BHD
1 stop10h 00mBritish Airways
Tue 9/168:20 pmBHD - IAD
2 stops23h 40mBritish Airways
Deal found 6/15$640
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 9/127:23 pmDCA - BHD
2 stops15h 07mAmerican Airlines
Tue 9/161:40 pmBHD - DCA
2 stops14h 27mAmerican Airlines
Deal found 6/14$645
This Ovago deal was found by Cheapflights users on 6/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:56 pmBWI - BHD
2 stops13h 19mBritish Airways
Sun 9/141:00 pmBHD - BWI
1 stop11h 35mBritish Airways
Deal found 6/14$650
This Ovago deal was found by Cheapflights users on 6/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/61:30 pmDCA - BHD
2 stops15h 40mBritish Airways
Sat 12/206:30 amBHD - DCA
2 stops15h 46mBritish Airways
Deal found 6/15$660
This KLM deal was found by Cheapflights users on 6/15. 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.
Fri 10/177:50 pmIAD - BHD
2 stops16h 05mKLM
Sat 10/255:25 pmBHD - IAD
1 stop28h 20mKLM
Deal found 6/15$712
This Delta deal was found by Cheapflights users on 6/15. 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.
Thu 10/165:10 pmIAD - BHD
2 stops18h 45mDelta
Sat 10/256:30 amBHD - IAD
2 stops21h 30mDelta
Deal found 6/15$722
This Delta deal was found by Cheapflights users on 6/14. 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.
Sat 9/66:25 pmBWI - BHD
2 stops17h 30mDelta
Sun 9/146:30 amBHD - BWI
2 stops20h 13mDelta
Deal found 6/14$722
This Delta deal was found by Cheapflights users on 6/15. 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.
Thu 10/163:10 pmDCA - BHD
2 stops20h 45mDelta
Sat 10/256:30 amBHD - DCA
2 stops17h 41mDelta
Deal found 6/15$722
This Travelocity deal was found by Cheapflights users on 6/13. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:55 amIAD - BHD
2 stops23h 20mMultiple Airlines
Sat 11/299:10 amBHD - IAD
2 stops15h 29mMultiple Airlines
Deal found 6/13$890
This Mytrip deal was found by Cheapflights users on 6/15. 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.
Sun 6/296:59 amDCA - BHD
2 stops26h 31mMultiple Airlines
Tue 9/166:55 amBHD - DCA
2 stops16h 09mMultiple Airlines
Deal found 6/15$983

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 June 16, 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

Sat 9/6

7:25 pm-12:15 pm

1 stop11h 50m

Belfast City

Sat 12/20

6:30 am-3:35 pm

1 stop14h 05m

$631

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Fri 9/12

9:20 pm-3:30 pm

1 stop13h 10m

Belfast City

Tue 9/16

9:35 am-7:35 pm

1 stop15h 00m

$631

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 9/12

5:50 pm-8:50 am

1 stop10h 00m

Belfast City

Tue 9/16

8:20 pm-3:00 pm

2 stops23h 40m

$640

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Fri 9/12

7:23 pm-3:30 pm

2 stops15h 07m

Belfast City

Tue 9/16

1:40 pm-11:07 pm

2 stops14h 27m

$645

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sat 9/6

5:56 pm-12:15 pm

2 stops13h 19m

Belfast City

Sun 9/14

1:00 pm-7:35 pm

1 stop11h 35m

$650

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Sat 9/6

1:30 pm-10:10 am

2 stops15h 40m

Belfast City

Sat 12/20

6:30 am-5:16 pm

2 stops15h 46m

$660

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 10/17

7:50 pm-4:55 pm

2 stops16h 05m

Belfast City

Mon 10/27

5:20 pm-4:45 pm

1 stop27h 25m

$712

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 10/16

5:10 pm-4:55 pm

2 stops18h 45m

Belfast City

Sat 10/25

6:30 am-11:00 pm

2 stops21h 30m

$722

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

Sat 9/6

6:25 pm-4:55 pm

2 stops17h 30m

Belfast City

Sun 9/14

6:30 am-9:43 pm

2 stops20h 13m

$722

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

Thu 10/16

9:59 pm-4:55 pm

2 stops37h 56m

Belfast City

Mon 10/27

6:30 am-11:29 pm

2 stops20h 59m

$722

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 24 results
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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

Rainfall in Belfast City by month

Plan your trip to Belfast City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belfast City Airport ranges from 2.0 - 3.5 inches per month. October is typically the wettest month, when rainfall can reach 3.5 in. April is typically the driest time to visit Belfast City Airport when rainfall is around 2.0 in.

Temperature in Belfast City by month

Plan your trip to Belfast City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast City Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Belfast City

Get insights into the airlines that provide service to Belfast City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast City. Reviews last updated June 16, 2025.
Read reviews from past customers who have flown Delta, KLM and American Airlines from Washington, D.C. to Belfast. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,963 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,361 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Aer Lingus
7.1
Good
1,118 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Iberia
7.0
Good
2,778 reviews
Delta
8.0
Very good
7,963 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Washington, D.C. to Belfast City Airport round-trip?

    Currently priced at $631, American Airlines will fly you from Washington, D.C. to Belfast City Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and KLM - these airlines can fly you to your destination from $640 and $712, 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. Reagan-National - Belfast City, Washington, D.C. Dulles Intl - 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 Washington, D.C.?

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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.
Reagan-National to Belfast Intl flights
Reagan-National to Belfast City flights
Dulles Intl to Belfast Intl flights
Dulles Intl 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$578Average$813FlexibilityNo cancel feeOn-time70%

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