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British Airways flights from London to Washington, D.C. (LON - WAS)

LON — WAS
15 Sep — 22 Sep1
1 adult
1 adult, Economy, 0 bags

Find British Airways flight deals from London to Washington, D.C.

Enter your travel dates to find the best prices.

Cheapest British Airways flights from London to Washington, D.C.
Explore the most affordable British Airways flight options available from London to Washington, D.C.. Find the lowest fares with prices last updated on 16 August 2026.

Fri 25/917:25 -
1 stop10h 45m
Fri 2/1016:59 -
1 stop10h 01m
Deal found 11/8£431
Mon 28/909:15 -
1 stop11h 52m
Mon 5/1017:57 -
1 stop9h 33m
Deal found 14/8£435
Tue 15/916:25 -
Nonstop8h 15m
Sat 26/921:30 -
Nonstop7h 20m
Deal found 14/8£436

  • How do most travelers feel about British Airways?

    The average rating from 8,167 British Airways reviews by Cheapflights users is 6.7 (out of a maximum rating of 10). If you are considering flying LON-WAS with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Washington, D.C. with British Airways.

  • Does British Airways service alternative airports for LON-WAS?

    When traveling from London to Washington, D.C., there are typically alternate options for departure airport, arrival airport, or both. When arriving in Washington, D.C., most people land at Washington, D.C. Dulles Intl, but that is not the only available airport that British Airways flies to. Many people choose to land at Baltimore/Washington depending on where there are traveling to in the area. If you are looking for a closer or different airport to depart from in London, British Airways also flies out of London Gatwick when traveling to Washington, D.C..

  • Can I get a flight from London to Washington, D.C. on British Airways for under £591?

    Cheapflights users have found 50 British Airways flights for under £591 on the LON-WAS route. Prices on flights to Washington, D.C. from London can vary based on many factors including dates. To look at price based on your preferred dates, click here.

British Airways flights from London to Washington, D.C. in 2026

Find detailed information about British Airways flights from London to Washington, D.C.. Explore the options provided by British Airways to plan your journey from London to Washington, D.C.. Data last updated 16 August 2026.

One-way from

£329

Return from

£430

Popular in

June

Cheapest in

February

Average price (all airlines)

£536
British Airways
  • British Airways
  • 12/11
  • 1 total stop
  • 15h 05m total
  • London to Washington, D.C.
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British Airways
  • British Airways
  • 28/12-3/1
  • 2 total stops
  • 22h 10m total
  • London to Washington, D.C.
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Highest demand for flights from London to Washington, D.C.; 9% potential price increase.
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Best time to find cheap flights from London to Washington, D.C.; 1% potential price drop.
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Average price for all London to Washington, D.C. flights (one-way and round-trip).
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Which month is the cheapest to fly Economy class from London to Washington, D.C.?

For Economy class flights, the cheapest month to fly this route is February. The most expensive months are December and August.

Weekly British Airways flight availability from London to Washington, D.C.

The most British Airways flights from LON to WAS are scheduled on a Wednesday (3 on average). You will have fewer British Airways flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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

The best time to book a flight to Washington, D.C. with British Airways is 70 days before departure. On average, fares are higher if you book 1 day before departure.

Best time to book a flight from London to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from London with our price prediction graph.
Estimated return 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.

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Washington, D.C. on another airline

Consider alternative airlines that service the Washington, D.C. area. Flight routes are based on user searches made on Cheapflights and were last updated on 16 August 2026.
Virgin Atlantic flights from London to Washington, D.C.
Finnair flights from London to Washington, D.C.

See what others are saying about British Airways

Read reviews and see what other travellers are saying about their experiences with British Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing British Airways for your next flight. Reviews last updated 16 August 2026.
British Airways
6.7
Okay
8,168 reviews
Check prices
Overview

Food

6.4

Crew

7.7

Entertainment

6.5

Boarding

7.0

Comfort

6.8

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