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Belfast City

$358+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BHD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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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 November 3, 2025.

This Gotogate deal was found by Cheapflights users on 11/2. 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.
Mon 12/86:05 pmIAD - BHD
1 stop17h 45mVirgin Atlantic
Tue 12/236:30 amBHD - IAD
1 stop14h 35mVirgin Atlantic
Deal found 11/2$628
This Air France deal was found by Cheapflights users on 11/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:05 pmIAD - BHD
1 stop17h 45mMultiple Airlines
Wed 12/35:20 pmBHD - IAD
1 stop27h 45mMultiple Airlines
Deal found 11/2$653
This Delta deal was found by Cheapflights users on 10/31. 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 11/126:05 pmIAD - BHD
1 stop17h 45mDelta
Sun 11/166:30 amBHD - IAD
1 stop14h 35mDelta
Deal found 10/31$654
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:05 pmIAD - BHD
1 stop21h 55mDelta
Wed 12/36:30 amBHD - IAD
2 stops19h 59mDelta
Deal found 11/1$663
This Booking.com deal was found by Cheapflights users on 11/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:16 pmIAD - BHD
2 stops15h 24mBritish Airways
Tue 12/237:25 pmBHD - IAD
1 stop25h 10mBritish Airways
Deal found 11/2$723
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Mon 12/89:45 amIAD - BHD
3 stops23h 05mMultiple Airlines
Tue 12/236:00 pmBHD - IAD
2 stops31h 05mMultiple Airlines
Deal found 11/2$780

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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$628
(Gotogate)

One-way from

$358
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$705
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Belfast City flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Belfast City flights.
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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
Highest demand for flights based on searches. 18% potential increase in price ($183 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 3, 2025.
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

Mon 3/16

10:45 pm-4:05 pm

1 stop13h 20m

Belfast City

Sun 3/22

9:10 am-4:40 pm

1 stop11h 30m

$631

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-8:55 pm

1 stop18h 20m

$631

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Wed 12/3

5:20 pm-4:05 pm

1 stop27h 45m

$653

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/12

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Sun 11/16

6:30 am-4:05 pm

1 stop14h 35m

$653

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 11/28

6:05 pm-4:50 pm

1 stop17h 45m

Belfast City

Fri 12/5

6:30 am-4:05 pm

1 stop14h 35m

$653

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Fri 11/28

12:11 pm-4:50 pm

2 stops23h 39m

Belfast City

Fri 12/5

6:30 am-4:05 pm

1 stop14h 35m

$657

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Wed 11/26

6:05 pm-9:00 pm

1 stop21h 55m

Belfast City

Wed 12/3

6:30 am-5:03 pm

2 stops15h 33m

$663

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

5:30 pm-8:30 pm

3 stops22h 00m

$358

Washington, D.C.Belfast

IAD - BHD

IADBHD

Washington, D.C. Dulles Intl

Thu 3/5

9:45 pm-4:40 pm

1 stop13h 55m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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.

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 November 3, 2025.
Read reviews from past customers who have flown British Airways from Washington, D.C. Dulles Intl Airport to Belfast City Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,494 reviews

Boarding

6.9

Entertainment

6.4

Crew

7.6

Overall

6.7

Food

6.3

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,494 reviews
British Airways
6.7
Okay
7,494 reviews

Boarding

6.9

Entertainment

6.4

Crew

7.6

Overall

6.7

Food

6.3

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

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 13h 20m. The distance from Washington, D.C. Dulles Intl Airport to Belfast City Airport is about 3390 mi.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Belfast City Airport round-trip?

    Currently priced at $620, British Airways will fly you from Washington, D.C. Dulles Intl Airport to Belfast City Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Belfast Intl flights
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Top airline flying from Dulles Intl to Belfast City

Discover the top airline that operate flights from Dulles Intl 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$620Average$834FlexibilityNo cancel feeOn-time70%

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