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Belfast City

$259+ Cheap flights from Dulles Intl (IAD) 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BHD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Dulles Intl to Belfast City

Cheapest flights from Dulles Intl to Belfast City
Explore the most affordable flight options available from Dulles Intl to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Trip.com deal was found by Cheapflights users on 1/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:40 pm
IAD
-
BHD
2 stops18h 20m
Multiple Airlines
Wed 3/47:25 am
BHD
-
IAD
2 stops16h 05m
Multiple Airlines
Deal found 1/28$598
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:20 pm
IAD
-
BHD
1 stop9h 50m
British Airways
Wed 3/412:25 pm
BHD
-
IAD
1 stop12h 30m
British Airways
Deal found 1/28$644
This British Airways deal was found by Cheapflights users on 1/26. 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.
Wed 3/46:20 pm
IAD
-
BHD
1 stop9h 50m
British Airways
Sun 3/812:10 pm
BHD
-
IAD
1 stop32h 25m
British Airways
Deal found 1/26$647
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:45 pm
IAD
-
BHD
1 stop16h 05m
British Airways
Thu 3/1210:40 am
BHD
-
IAD
1 stop14h 15m
British Airways
Deal found 1/28$653
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:40 pm
IAD
-
BHD
1 stop12h 05m
British Airways
Tue 9/11:45 pm
BHD
-
IAD
1 stop10h 55m
British Airways
Deal found 1/27$660
This oojo deal was found by Cheapflights users on 1/28. 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.
Fri 5/110:25 pm
IAD
-
BHD
1 stop14h 45m
British Airways
Tue 5/56:20 pm
BHD
-
IAD
1 stop28h 05m
British Airways
Deal found 1/28$664
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:15 pm
IAD
-
BHD
1 stop15h 15m
British Airways
Sun 9/136:30 am
BHD
-
IAD
1 stop15h 55m
British Airways
Deal found 1/28$670
This oojo deal was found by Cheapflights users on 1/27. 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.
Thu 4/27:15 pm
IAD
-
BHD
1 stop20h 20m
British Airways
Tue 4/78:25 pm
BHD
-
IAD
1 stop26h 00m
British Airways
Deal found 1/27$674
This Delta deal was found by Cheapflights users on 1/28. 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 2/2512:24 pm
IAD
-
BHD
2 stops23h 26m
Delta
Wed 3/46:30 am
BHD
-
IAD
1 stop14h 35m
Delta
Deal found 1/28$676
This Delta deal was found by Cheapflights users on 1/27. 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 8/255:40 pm
IAD
-
BHD
1 stop18h 15m
Delta
Wed 9/29:50 am
BHD
-
IAD
2 stops18h 39m
Delta
Deal found 1/27$695

Find flight deals from Dulles Intl to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$598
(Trip.com)

One-way from

$259
(Kiwi.com)
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Belfast City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Belfast City flights.
Search Deals
From Washington, D.C. Dulles Intl to Belfast City
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Belfast City
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Belfast City Airport that are best for you.

Fly from

Dulles Intl

Fly to

Belfast City

Route

Depart

Return

Price

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 2/25

7:40 pm-7:00 pm

2 stops18h 20m

Belfast City

Wed 3/4

7:25 am-6:30 pm

2 stops16h 05m

$598

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 3/4

6:20 pm-9:10 am

1 stop9h 50m

Belfast City

Sun 3/8

12:10 pm-4:35 pm

1 stop32h 25m

$647

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 5/2

5:40 pm-10:05 am

1 stop11h 25m

Belfast City

Sat 5/9

7:05 am-5:25 pm

1 stop15h 20m

$660

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 5/1

10:25 pm-6:10 pm

1 stop14h 45m

Belfast City

Tue 5/5

6:20 pm-5:25 pm

1 stop28h 05m

$664

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sat 5/9

7:15 pm-3:05 pm

1 stop14h 50m

Belfast City

Thu 5/21

6:30 am-3:50 pm

1 stop14h 20m

$664

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 4/2

7:15 pm-8:35 pm

1 stop20h 20m

Belfast City

Tue 4/7

8:25 pm-5:25 pm

1 stop26h 00m

$674

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 2/25

12:24 pm-4:50 pm

2 stops23h 26m

Belfast City

Wed 3/4

6:30 am-4:05 pm

1 stop14h 35m

$676

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 5/14

7:15 pm-6:45 pm

1 stop18h 30m

Belfast City

Sun 5/17

11:00 am-5:25 pm

1 stop11h 25m

$763

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 5/14

8:30 pm-6:40 pm

2 stops17h 10m

Belfast City

Sun 5/17

7:00 am-10:15 pm

2 stops20h 15m

$766

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

3:10 pm-4:35 pm

1 stop29h 25m

$775

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 18 results
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Compare providers for flights from Dulles Intl 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 Dulles Intl to Belfast City in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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. Dulles Intl Airport-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. Dulles Intl Airport-Belfast City Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-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. Dulles Intl Airport-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. Dulles Intl Airport-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 Dulles Intl to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Dulles Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Belfast City Airport?

    Departing from Washington, D.C. Dulles Intl Airport to Belfast City Airport will take you 9h 50m. The distance from Washington, D.C. Dulles Intl Airport to Belfast City Airport is about 3390 mi.

  • Can I find deals for flights from Dulles Intl to Belfast City that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Belfast City?

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

  • Can I find deals for business class flights from Dulles Intl to Belfast City?

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Dulles Intl to Belfast City

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