Vuelos de Air France de Seattle (SEA) a Londres (LHR) desde

Be sure to check out the Covid-19 Travel Advisor to find out if there are any current travel advice reports or quarantine requirements in effect in LHR when flying from Seattle - Tacoma Intl. Airport (SEA).

If you’re heading from Seattle - Tacoma Intl. Airport (SEA) to London Heathrow, you’ll most likely be getting off the plane at terminal 3. We can’t say for certain which terminal you’ll be departing from — it’s a good idea to contact your airline.

Be ready for a stopover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Heathrow Airport (LHR), as Air France doesn’t operate direct flights between these two locations. While in transit, you might like to grab a new bestseller or a travel magazine from the airport bookstore to make the time go quicker.

Life is one big, exciting journey — and so is your flight from SEA to London Heathrow with Air France. Taking about 12 hours and 54 minutes, make sure you bring the basics like a neck pillow, a sweater and your toothbrush.

The Boeing 787-9 and the Airbus A330-900neo are the aircraft models most commonly used by Air France between SEA and LHR.

You can choose between approximately 2 flights each day with Air France from Seattle - Tacoma Intl. Airport (SEA) to Heathrow Airport.

For more info about changing your flight to LHR, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.