HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belfast City

$574+ Cheap flights from Dulles Intl (IAD) 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BHD
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Belfast City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$574
(oojo)
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

Find 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 15, 2026.

This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:20 pm
IAD
-
BHD
1 stop11h 00m
British Airways
Fri 2/276:45 am
BHD
-
IAD
1 stop13h 50m
British Airways
Deal found 1/14$574
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:30 pm
IAD
-
BHD
1 stop12h 50m
British Airways
Mon 8/316:30 pm
BHD
-
IAD
1 stop30h 50m
British Airways
Deal found 1/13$585
This British Airways deal was found by Cheapflights users on 1/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:30 pm
IAD
-
BHD
1 stop12h 50m
British Airways
Tue 9/18:25 pm
BHD
-
IAD
2 stops24h 05m
British Airways
Deal found 1/13$587
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:40 pm
IAD
-
BHD
1 stop10h 20m
British Airways
Wed 9/210:05 am
BHD
-
IAD
1 stop15h 15m
British Airways
Deal found 1/14$590
This oojo deal was found by Cheapflights users on 1/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:45 pm
IAD
-
BHD
1 stop13h 55m
British Airways
Thu 3/129:05 am
BHD
-
IAD
1 stop11h 30m
British Airways
Deal found 1/13$596
This American Airlines deal was found by Cheapflights users on 1/13. 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 American Airlines 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
Multiple Airlines
Wed 9/211:30 am
BHD
-
IAD
2 stops17h 29m
Multiple Airlines
Deal found 1/13$601
This oojo deal was found by Cheapflights users on 1/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:20 pm
IAD
-
BHD
1 stop11h 00m
British Airways
Sat 2/286:35 am
BHD
-
IAD
1 stop14h 00m
British Airways
Deal found 1/14$609
This British Airways deal was found by Cheapflights users on 1/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:45 pm
IAD
-
BHD
1 stop11h 30m
British Airways
Sun 3/88:25 pm
BHD
-
IAD
1 stop28h 30m
British Airways
Deal found 1/13$611

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 15, 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

Sun 2/15

6:20 pm-10:20 am

1 stop11h 00m

Belfast City

Fri 2/27

6:45 am-3:35 pm

1 stop13h 50m

$574

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

$596

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

9:45 pm-4:40 pm

1 stop13h 55m

Belfast City

Thu 3/12

6:35 am-4:35 pm

1 stop14h 00m

$608

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Sun 2/15

6:20 pm-10:20 am

1 stop11h 00m

Belfast City

Sat 2/28

6:35 am-3:35 pm

1 stop14h 00m

$609

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 3/4

9:45 pm-2:15 pm

1 stop11h 30m

Belfast City

Sun 3/8

8:25 pm-8:55 pm

1 stop28h 30m

$611

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 2/27

6:20 pm-10:30 am

1 stop11h 10m

Belfast City

Fri 3/6

6:45 am-3:35 pm

1 stop13h 50m

$612

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 4/2

5:40 pm-10:10 am

1 stop11h 30m

Belfast City

Tue 4/7

7:30 pm-5:25 pm

1 stop26h 55m

$612

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 4/2

5:40 pm-10:10 am

1 stop11h 30m

Belfast City

Fri 4/10

9:30 am-8:20 pm

1 stop15h 50m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

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*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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. Dulles Intl Airport-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. Dulles Intl Airport-Belfast City Airport flight deals on Cheapflights vs. eDreams >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 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. 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 11h. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Belfast City

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights