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$584+ Cheap flights from Washington, D.C. (WAS) to Belfast City (BHD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BHD
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$587
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$664
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
Highest demand for flights based on searches. 19% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 mayo 1, 2025.

This Gotogate deal was found by Cheapflights users on 4/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/37:25 pmIAD - BHD
1 stop11h 50mBritish Airways
vie. 5/162:00 pmBHD - IAD
1 stop11h 05mBritish Airways
Deal found 4/30$584
This American Airlines deal was found by Cheapflights users on 4/30. 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.
sáb. 9/610:45 pmIAD - BHD
1 stop11h 20mAmerican Airlines
sáb. 12/206:30 amBHD - IAD
1 stop14h 05mAmerican Airlines
Deal found 4/30$587
This Priceline deal was found by Cheapflights users on 4/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/129:20 pmBWI - BHD
1 stop13h 20mBritish Airways
mié. 5/2111:30 amBHD - BWI
1 stop13h 05mBritish Airways
Deal found 4/30$589
This American Airlines deal was found by Cheapflights users on 4/30. 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.
lun. 5/129:20 pmBWI - BHD
1 stop10h 35mAmerican Airlines
mié. 5/2110:00 amBHD - BWI
2 stops17h 15mAmerican Airlines
Deal found 4/30$597
This oojo deal was found by Cheapflights users on 4/30. 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.
mar. 9/23:25 pmDCA - BHD
2 stops14h 10mBritish Airways
mar. 9/99:35 amBHD - DCA
2 stops17h 25mBritish Airways
Deal found 4/30$602
This Travelocity deal was found by Cheapflights users on 5/1. 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.
mar. 9/210:40 pmIAD - BHD
1 stop13h 50mIberia
jue. 10/96:35 amBHD - IAD
1 stop14h 20mIberia
Deal found 5/1$628
This Delta deal was found by Cheapflights users on 4/30. 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.
sáb. 5/31:44 pmIAD - BHD
2 stops22h 11mDelta
vie. 5/166:30 amBHD - IAD
2 stops18h 09mDelta
Deal found 4/30$718
This KLM deal was found by Cheapflights users on 4/29. 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.
dom. 7/68:30 pmIAD - BHD
2 stops15h 25mKLM
dom. 8/246:30 amBHD - IAD
1 stop14h 05mKLM
Deal found 4/29$750
This Delta deal was found by Cheapflights users on 4/29. 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.
sáb. 7/57:40 pmBWI - BHD
2 stops20h 35mDelta
dom. 8/246:30 amBHD - BWI
2 stops30h 34mDelta
Deal found 4/29$820
This Delta deal was found by Cheapflights users on 4/29. 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.
sáb. 7/55:29 pmDCA - BHD
2 stops18h 26mDelta
dom. 8/246:30 amBHD - DCA
2 stops21h 33mDelta
Deal found 4/29$820
This Orbitz deal was found by Cheapflights users on 4/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/195:20 pmIAD - BHD
2 stops15h 50mAer Lingus
vie. 9/266:35 amBHD - IAD
2 stops14h 15mAer Lingus
Deal found 4/30$893
This Mytrip deal was found by Cheapflights users on 5/1. 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.
vie. 8/16:00 amIAD - BHD
3 stops33h 10mMultiple Airlines
sáb. 8/95:50 pmBHD - IAD
2 stops32h 35mMultiple Airlines
Deal found 5/1$1,151

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 mayo 1, 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

sáb. 9/6

10:45 pm-3:05 pm

1 stop11h 20m

Belfast City

sáb. 12/20

6:30 am-3:35 pm

1 stop14h 05m

$587

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mar. 9/2

7:25 pm-10:35 am

1 stop10h 10m

Belfast City

mar. 9/9

6:35 am-5:35 pm

1 stop16h 00m

$589

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

lun. 5/12

9:20 pm-3:40 pm

1 stop13h 20m

Belfast City

mié. 5/21

11:30 am-7:35 pm

1 stop13h 05m

$589

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

lun. 5/12

9:20 pm-12:55 pm

1 stop10h 35m

Belfast City

mié. 5/21

10:00 am-10:15 pm

2 stops17h 15m

$597

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

mar. 9/2

3:25 pm-10:35 am

2 stops14h 10m

Belfast City

mar. 9/9

9:35 am-10:00 pm

2 stops17h 25m

$602

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

mar. 9/2

10:40 pm-5:30 pm

1 stop13h 50m

Belfast City

jue. 10/9

6:35 am-3:55 pm

1 stop14h 20m

$628

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

dom. 7/6

8:30 pm-4:55 pm

2 stops15h 25m

Belfast City

dom. 8/24

6:30 am-3:35 pm

1 stop14h 05m

$750

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

dom. 7/6

12:13 pm-9:15 pm

2 stops28h 02m

Belfast City

dom. 8/24

5:25 pm-7:37 pm

2 stops31h 12m

$760

BaltimoreBelfast

BWI - BHD

BWIBHD

Baltimore/Washington

sáb. 7/5

7:40 pm-9:15 pm

2 stops20h 35m

Belfast City

dom. 8/24

6:30 am-8:04 am

2 stops30h 34m

$820

Washington, D.C.Belfast

DCA - BHD

DCABHD

Washington, D.C. Reagan-National

sáb. 7/5

5:29 pm-4:55 pm

2 stops18h 26m

Belfast City

dom. 8/24

6:30 am-11:03 pm

2 stops21h 33m

$820

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 13 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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 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

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 mayo 1, 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
7,934 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,076 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,846 reviews
Delta
8.0
Very good
7,934 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 $587, 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 $589 and $750, 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, Baltimore/Washington - Belfast City and Washington, D.C. Dulles Intl - 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
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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
Dulles Intl to Belfast Intl flights
Reagan-National to Belfast City 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$578Average$813FlexibilityNo cancel feeOn-time70%

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