British Airways flights from Washington, D.C. Dulles Intl Airport to London (IAD - LON)

IAD — LON
May 27 — Jun 31

Cheapflights users flying from Washington, D.C. to London on British Airways typically fly into London Heathrow and depart from Washington, D.C. Dulles Intl. Select your dates above for pricing.

British Airways flights from Dulles Intl to London in 2024

Find detailed information about British Airways flights from Dulles Intl to London. Explore the options provided by British Airways to plan your journey from Dulles Intl to London. Data last updated May 22, 2024.

Popular in

June

Cheapest in

January

Average price (all airlines)

$797

One-way from

$431

Round-trip from

$587
Highest demand for flights from Washington, D.C. Dulles Intl to London; 18% potential price increase.
Best time to find cheap flights from Washington, D.C. Dulles Intl to London; 3% potential price drop.
Average price for all Washington, D.C. Dulles Intl to London flights (one-way and round-trip).
Cheapest one-way British Airways flight from Washington, D.C. Dulles Intl to London
Cheapest round-trip British Airways flight from Washington, D.C. Dulles Intl to London
  • Can I get a flight from Washington, D.C. Dulles Intl Airport to London on British Airways for under $800?

    There are 13 flights available on British Airways from Washington, D.C. Dulles Intl Airport to London for under $800. These prices can change based on many factors including date and time. To find IAD-LON flight prices for your dates, click here.

  • How do most travelers feel about British Airways?

    The average rating from 29 British Airways reviews by Cheapflights users is 6.8 (out of a maximum rating of 10). If you are considering flying IAD-LON with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to London with British Airways.

Cheapest British Airways flights from Dulles Intl to London

Discover the cheapest flight options specifically offered by British Airways for travel from Dulles Intl to London. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,730,072 searches. The data was last updated on May 22, 2024.
Wed 6/121:13 pmIAD - LGW
2 stops14h 37mBritish Airways
Tue 6/1810:50 amLGW - IAD
1 stop13h 25mBritish Airways
Deal found 5/22$846
Tue 6/410:45 pmIAD - LHR
Nonstop7h 20mBritish Airways
Tue 6/115:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/21$860
Wed 6/125:43 pmIAD - LHR
1 stop10h 22mBritish Airways
Wed 6/195:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/20$862

Direct flights from Dulles Intl to London on British Airways

Discover the cheapest flight options specifically offered by British Airways for travel from Dulles Intl to London. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,730,072 searches. The data was last updated on May 22, 2024.
Wed 10/210:45 pmIAD - LHR
Nonstop7h 20mBritish Airways
Fri 10/115:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/20$587
Tue 10/155:55 pmIAD - LHR
Nonstop7h 20mBritish Airways
Wed 10/235:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/21$588
Sun 8/1810:50 pmIAD - LHR
Nonstop7h 20mBritish Airways
Mon 9/305:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/21$602

Last minute deals on Cheapflights

Explore last-minute flight deals on British Airways for various destinations, including Dulles Intl to London. Discover attractive deals on flights departing soon. Keep an eye on the latest last-minute deals to find great opportunities for spontaneous travel. Please note that prices are subject to change and availability may vary. Data last updated May 22, 2024 and based on user searches. In the last 7 days, Cheapflights users made a total of 2,730,072 searches.
Wed 5/2910:45 pmIAD - LHR
Nonstop7h 20mBritish Airways
Wed 6/512:35 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/21$1,028
Tue 5/285:55 pmIAD - LHR
Nonstop7h 20mBritish Airways
Sun 6/165:35 pmLHR - IAD
Nonstop8h 00mBritish Airways
Deal found 5/21$1,077
Thu 5/305:55 pmIAD - LHR
Nonstop7h 20mBritish Airways
Thu 6/135:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 5/22$1,078

One-way British Airways flights to London from Dulles Intl

Search for one-way flight options from Dulles Intl to London specifically provided by British Airways. Find affordable one-way fares from British Airways and compare prices with other airlines. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,730,072 searches. The data was last updated on May 22, 2024.
Sun 8/185:10 pmIAD - LCY
1 stop12h 05mBritish Airways
Deal found 5/21$431
Tue 7/235:55 pmIAD - LHR
Nonstop7h 20mBritish Airways
Deal found 5/21$454
Sun 7/141:22 pmIAD - LHR
2 stops15h 58mBritish Airways
Deal found 5/21$459

Best time to book a flight from Dulles Intl to London

Have a flexible travel schedule? Discover the best time to fly to London 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.

Temperature and rainfall in London by month

Plan your trip to London by taking into account the average temperature and rainfall totals by month.

LON

Temperature

39.2 - 62.6 °F

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Browse thousands of different options on Cheapflights for your next trip

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Fly from Dulles Intl to London on another airline
Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on May 22, 2024.

See what others are saying about British Airways

Read reviews and see what other travelers 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 May 22, 2024.
British Airways
6.8
Okay
6,794 reviews
Overview

Crew

7.7

Boarding

7.0

Comfort

6.8

Food

6.4

Entertainment

6.5
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