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Find cheap British Airways flights to Washington, D.C. Dulles Intl Airport

RDU — IAD
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Find British Airways flight deals to Washington, D.C. Dulles Intl Airport

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Cheapest British Airways flights from United Kingdom to Dulles Intl
Explore the most affordable British Airways flight options available from United Kingdom to Dulles Intl. Find the lowest fares with prices last updated on 27 July 2026.

Wed 26/813:25
LHR
-
IAD
1 stop11h 00m
British Airways
Wed 9/917:45
IAD
-
LHR
Nonstop7h 35m
British Airways
Deal found 24/7£451
Thu 20/811:30
LHR
-
IAD
1 stop12h 25m
British Airways
Sun 6/917:45
IAD
-
LHR
Nonstop7h 35m
British Airways
Deal found 22/7£455
Wed 19/809:50
LHR
-
IAD
1 stop10h 55m
British Airways
Wed 26/817:34
IAD
-
LHR
1 stop10h 31m
British Airways
Deal found 22/7£455

Flights to Washington, D.C. Dulles Intl Airport with British Airways at a glance

Find detailed information about British Airways flights from United Kingdom to Dulles Intl. Explore the options provided by British Airways to plan your journey from United Kingdom to Dulles Intl. Data last updated 27 July 2026.

Popular in

December

Cheapest in

March

Average price

£551

Return from

£439

One-way from

£335
Highest demand for flights to Washington, D.C. Dulles Intl Airport with British Airways; 6% potential price increase.
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Best time to find cheap flights to Washington, D.C. Dulles Intl Airport with British Airways; 1% potential price drop.
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Average price for flights to Washington, D.C. Dulles Intl Airport with British Airways (return).
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British Airways
  • British Airways
  • 22/10-9/11
  • 2 total stops
  • 21h 45m total
  • United Kingdom to Washington, D.C.
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British Airways
  • British Airways
  • 17/9
  • Nonstop
  • 8h 25m total
  • United Kingdom to Washington, D.C.
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Cheapflights Insights

Find cheap British Airways flights to Washington, D.C. Dulles Intl Airport

How long is the flight to Washington, D.C. Dulles Intl Airport with British Airways?

On average, British Airways flights from the United Kingdom to Washington, D.C. Dulles Intl Airport take 9 hours 11 minutes. Flights to Washington, D.C. Dulles Intl Airport from other popular cities in the United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

British Airways weekly flight availability to Washington, D.C. Dulles Intl Airport

The most flights to Washington, D.C. Dulles Intl Airport operated by British Airways are scheduled on a Monday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

When is the best time to book a flight to Washington, D.C. Dulles Intl Airport with British Airways?

The best time to book a flight to Washington, D.C. Dulles Intl Airport with British Airways is 70 days before departure. On average, fares are higher if you book 3 days before departure.

FAQs about flights to Washington, D.C. Dulles Intl Airport with British Airways

  • Which airport do British Airways flights arrive at when travelling to Washington, D.C. Dulles Intl Airport?

    British Airways flights on this route tend to land at Washington, D.C. Dulles Intl Airport.

  • Is British Airways the cheapest airline for a flight to Washington, D.C. Dulles Intl Airport?

    Flight prices will depend on factors like date, time, and cabin class, so it is worth comparing flights before booking. Based on Cheapflights data, the cheapest average return price for flights to Washington, D.C. Dulles Intl Airport tends to be with PLAY.

  • Are there alternative airlines other than British Airways that fly to Washington, D.C. Dulles Intl Airport?

    Virgin Atlantic, Aer Lingus and Lufthansa all fly to Washington, D.C. Dulles Intl Airport and offer an alternative to British Airways.

  • How much is a British Airways flight to Washington, D.C. Dulles Intl Airport?

    The average price for a return flight with British Airways is £607, while a one-way flight costs around £647.

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Reviews of British Airways

See what Cheapflights users have to say about their British Airways experience.
British Airways
6.7
Okay
8,130 reviews
Check prices
Overview

Food

6.4

Boarding

7.0

Crew

7.7

Entertainment

6.5

Comfort

6.8

Popular British Airways flights

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Fly your favorite airline to Dulles Intl. Flight routes are based on user searches made on Cheapflights and were last updated on 27 July 2026.
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