How long is the flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport?

For as low as $730, British Airways can have you in Washington, D.C. Dulles Intl Airport from Belfast City Airport in 14h. Airlines will cover a distance of 3390 mi.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from BHD to IAD?

When flying from Belfast City Airport to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$730+ Flights from Belfast City Airport to Washington, D.C. Dulles Intl Airport

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Cheap 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 January 28, 2026.

Thu 3/56:35 am

BHD

IAD

1 stop18h 20m

British Airways

Mon 3/910:45 pm

IAD

BHD

1 stop11h 30m

British Airways

Deal found 1/26

$730

Thu 2/56:50 pm

BHD

IAD

2 stops25h 45m

British Airways

Mon 2/96:20 pm

IAD

BHD

1 stop11h 20m

British Airways

Deal found 1/25

$779

Wed 2/46:35 am

BHD

IAD

1 stop18h 20m

British Airways

Sun 2/89:45 pm

IAD

BHD

1 stop11h 10m

British Airways

Deal found 1/27

$1,332

Best flights from Belfast City to Dulles Intl
Discover carefully curated flight deals from Belfast City to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 28, 2026.

Thu 3/56:35 am

BHD

IAD

1 stop14h 00m

British Airways

Mon 3/910:45 pm

IAD

BHD

1 stop11h 30m

British Airways

Deal found 1/25

$730

Last-minute flights from Belfast City to Dulles Intl
Discover last-minute flight deals from Belfast City to Dulles Intl. Data last updated January 28, 2026 and is based on user searches.

Wed 2/46:35 am

BHD

IAD

1 stop18h 20m

British Airways

Sun 2/89:45 pm

IAD

BHD

1 stop11h 10m

British Airways

Deal found 1/27

$1,332

Thu 2/510:35 am

BHD

IAD

2 stops34h 00m

British Airways

Mon 2/911:34 am

IAD

BHD

2 stops23h 31m

British Airways

Deal found 1/26

$779

Find flight deals from Belfast City to Dulles Intl

Round-trip from	$730 (British Airways)

From Belfast City to Washington, D.C. Dulles Intl

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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.

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Route

Depart

Return

Price

BelfastWashington, D.C.

BHD - IAD

BHDIAD

Belfast City

Thu 3/5

6:35 am-3:35 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Mon 3/9

10:45 pm-2:15 pm

1 stop11h 30m

$730

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Deals found on 1/25

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

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Estimated round-trip price

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Related info for your journey

How long is the flight from Belfast City Airport to Washington, D.C. Dulles Intl Airport?
For as low as $730, British Airways can have you in Washington, D.C. Dulles Intl Airport from Belfast City Airport in 14h. Airlines will cover a distance of 3390 mi.
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.

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$730+ Cheap flights from Belfast City (BHD) to Dulles Intl (IAD)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Belfast City to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Belfast City to Dulles Intl

Cheapest flights from Belfast City to Dulles IntlExplore 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 January 28, 2026.

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 January 28, 2026.

Find flight deals from Belfast City to Dulles Intl

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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.

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.

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?

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

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

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

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

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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 January 28, 2026.