$1,021 Cheap Air France flights London (LHR) to Washington (IAD)

View $1,021 flight on Tue, Feb 17, 2026Opens in a new window

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$1,021 Cheap Air France flights London (LHR) to Washington (IAD)

Prices were available within the past 7 days and start at $1,021 for one-way flights and $681 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air France
Sun, Aug 31 - Sat, Sep 13
LHR
London
IAD
Washington
$681 Roundtrip, just found
$681
Roundtrip
just found
Select Air France flight, departing Sun, Aug 31 from London to Washington, returning Sat, Sep 13, priced at $681 just found
Flights from London (LHR) to Washington (IAD)
Origin airport
Heathrow
Destination airport
Washington Dulles Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Popular airline
Aer Lingus
Distance
3666 mi
Average flight time
3 hours 15 mins

Frequently asked questions

How much is an Air France flight from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)?
You can find budget-friendly return Air France flights from $681 from LHR to IAD by organizing your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $1,021 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LHR to IAD with Air France?
Air France flights to Washington are usually cheaper in the low-season months of January and February. Whether you're after a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD) with Air France?
Scoring the best Air France deals from LHR to IAD often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is often the most expensive day to book.* It's a good idea to start searching for flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Air France fly nonstop from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)?
To find out if there's a direct journey from LHR to IAD with Air France or any other carriers, check the "Nonstop" box when looking for flights.
What is the earliest Air France flight from LHR to IAD?
Browse Air France's earliest flights from LHR to IAD by selecting our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Air France fly into in Washington?
Washington Dulles Intl. Airport (IAD) is the main Washington hub for Air France flights from Heathrow Airport (LHR).
What kind of luggage can I take on an Air France flight from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)?
On Air France, you can fly standard economy from LHR to IAD with a small personal item and 1 cabin bag. Your carry-on bag should be no larger than 21 inches x 13 inches x 9 inches and weigh under 26 lb. Going over these limits can lead to additional fees, so read your airline's latest policies before finalizing your booking.
Why fly with Air France from LHR to IAD?
Traveling from LHR to IAD with Air France means enjoying a host of benefits, such as a rewarding loyalty program and a 4-star airline rating. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Air France Flying Blue points you can earn with Air France.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Air France flight from Heathrow Airport (LHR) to Washington Dulles Intl. Airport (IAD)?
It's usually possible to modify or cancel your flight, although there may be additional charges if you booked more than 24 hours ago. Prefer to keep your options open? Use Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you need to adjust your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.