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Dulles Intl

$637+ Cheap flights from Belfast City (BHD) to Dulles Intl (IAD)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — IAD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Belfast City to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Belfast City (BHD) to Dulles Intl (IAD). 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 septiembre 11, 2025.

Round-trip from

$670
(American Airlines)

One-way from

$637
(Mytrip)
From Belfast City to Washington, D.C. Dulles Intl
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One-way flight from Belfast City to Washington, D.C. Dulles Intl
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Find flight deals from Belfast City to Dulles Intl

Cheapest flights from Belfast City to Dulles Intl
Explore the most affordable flight options available from Belfast City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
jue. 11/203:05 pmBHD - IAD
1 stop33h 50mAmerican Airlines
lun. 11/246:20 pmIAD - BHD
1 stop11h 20mAmerican Airlines
Deal found 9/10$670
This Delta deal was found by Cheapflights users on 9/10. 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.
lun. 10/66:30 amBHD - IAD
1 stop14h 05mDelta
lun. 10/1312:09 pmIAD - BHD
2 stops23h 46mDelta
Deal found 9/10$677
This TravelUp deal was found by Cheapflights users on 9/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/63:25 pmBHD - IAD
2 stops32h 29mMultiple Airlines
lun. 10/135:41 pmIAD - BHD
2 stops14h 14mMultiple Airlines
Deal found 9/10$710
This TravelUp deal was found by Cheapflights users on 9/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/61:50 pmBHD - IAD
1 stop11h 25mBritish Airways
lun. 10/135:41 pmIAD - BHD
2 stops14h 14mBritish Airways
Deal found 9/10$759
This KLM deal was found by Cheapflights users on 9/10. 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.
sáb. 10/256:30 amBHD - IAD
1 stop14h 05mKLM
sáb. 11/17:05 pmIAD - BHD
1 stop21h 55mKLM
Deal found 9/10$921
This oojo deal was found by Cheapflights users on 9/10. 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.
sáb. 10/256:50 amBHD - IAD
2 stops17h 05mAer Lingus
sáb. 11/110:00 pmIAD - BHD
2 stops18h 35mAer Lingus
Deal found 9/10$1,068
This Delta deal was found by Cheapflights users on 9/10. 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. 10/256:30 amBHD - IAD
1 stop14h 05mDelta
sáb. 11/15:52 pmIAD - BHD
2 stops18h 58mDelta
Deal found 9/10$1,144

Cheapflights Fare Finder

 
Customize your flight search to find flights from Belfast City to Dulles Intl 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Belfast City

Fly to

Dulles Intl

Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

jue. 11/20

3:05 pm-7:55 pm

1 stop33h 50m

Washington, D.C. Dulles Intl

lun. 11/24

6:20 pm-10:40 am

1 stop11h 20m

$670

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

lun. 10/6

6:30 am-3:35 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

lun. 10/13

12:09 pm-4:55 pm

2 stops23h 46m

$677

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

lun. 10/6

3:25 pm-6:54 pm

2 stops32h 29m

Washington, D.C. Dulles Intl

lun. 10/13

5:41 pm-12:55 pm

2 stops14h 14m

$710

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

lun. 10/6

1:50 pm-8:15 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

lun. 10/13

5:41 pm-12:55 pm

2 stops14h 14m

$759

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

sáb. 10/25

6:30 am-3:35 pm

1 stop14h 05m

Washington, D.C. Dulles Intl

sáb. 11/1

7:05 pm-9:00 pm

1 stop21h 55m

$921

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

mar. 10/14

2:20 pm-3:20 pm

2 stops30h 00m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Belfast City to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Belfast City 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 Belfast City to Dulles Intl. 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 Belfast City Airport to Washington, D.C. Dulles Intl Airport?

    For as low as $677, American Airlines can have you in Washington, D.C. Dulles Intl Airport from Belfast City Airport in 14h 05m. Airlines will cover a distance of 3390 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast City to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Belfast City Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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