Cheap flights from Seattle to London Heathrow Airport from C$ 314
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to London Heathrow Airport departing on 21/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly from Seattle to London Heathrow Airport?
November. The cheapest time of year to fly to London Heathrow Airport from Seattle is November. The most expensive is June.
What is the cheapest day to depart Seattle for London Heathrow Airport?
Monday. The cheapest day of the week is typically Monday. The most expensive is typically Thursday
When is the cheapest time to fly from Seattle to London Heathrow Airport?
In the morning. Seattle to London Heathrow Airport flights are approximately 15% more expensive at noon than in the morning
How far in advance should you book Seattle to London Heathrow Airport flights?
44 days before. The cheapest time to buy a flight from Seattle to London Heathrow Airport is approximately 44 days to departure
Can stopping save me money on Seattle to London Heathrow Airport flights?
You could potentially save up to 45% on your flight if you consider stops on a Seattle to London Heathrow Airport flight.
How have Seattle to London Heathrow Airport flight prices changed over time?
As of November 2024, prices for Seattle to London Heathrow Airport flights are approximately 42% cheaper when compared to flights at the same time last year.
How many flights depart from Seattle to London Heathrow Airport on average per day?
As of November 2024, there are 11 flights per week flying from Seattle to London Heathrow Airport. The most common time of day flights depart is 5:00p.m., with 50% of flights taking off in the afternoon.
How many flights depart from Seattle to London Heathrow Airport on average per week?
The number of flights available between Seattle and London Heathrow Airport is 78 per week as of November 2024. The most frequent departure day is Tue, with 23% of weekly flights leaving on this day.
When to book flights from Seattle to London Heathrow Airport
Cheap Seattle to London Heathrow Airport (SEA to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to London Heathrow Airport
How far is Seattle/Tacoma Intl to London Heathrow by plane?
London Heathrow is 7683.2 km away from Seattle/Tacoma Intl. A reasonable flight in good conditions will take 9h 20m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to London Heathrow Airport?
Prices for flights from Seattle/Tacoma Intl Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to London Heathrow Airport?
As of November 2024, there are 7 operators available to choose from for flights from Seattle/Tacoma Intl Airport to London Heathrow Airport.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Seattle to London Heathrow Airport is Boeing 787-10 Dreamliner, representing 34.16% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 24.25%, Airbus A330-900neo at 18.18%, and Boeing 777 at 17.92%.
What is the most popular airline from Seattle to London Heathrow Airport?
Based on momondo bookings for flights between Seattle and London Heathrow Airport, the leading airline is Virgin Atlantic, making up 36.74% of the total bookings. Other popular airlines include British Airways with 20.47%, Icelandair with 12.56%, and Air France with 8.37%.
Best airlines flying from Seattle to London Heathrow Airport
Compare and see reviews for airlines that fly from Seattle to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 617 | Free Cancellation | Rating 7.0 2,662 reviews | |||
| PriceFrom C$ 617 | Free Cancellation | Rating 7.2 555 reviews | |||
| PriceFrom C$ 719 | Free Cancellation | Rating 7.4 1,523 reviews | |||
| PriceFrom C$ 720 | Free Cancellation | Rating 7.8 1,350 reviews | |||
| PriceFrom C$ 820 | Free Cancellation | Rating 7.5 663 reviews | |||
| PriceFrom C$ 856 | Free Cancellation | Rating 8.0 8,756 reviews | |||
| PriceFrom C$ 865 | Free Cancellation | Rating 6.6 6,837 reviews |
Delta Flights From Seattle to London Heathrow Airport
Delta operates around 7 flights from Seattle to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been C$ 704, but momondo users have found Delta deals from Seattle to London Heathrow Airport from as low as C$ 611 round-trip. Delta has been scored 8.0/10 in 8,756 reviews.
KLM Flights From Seattle to London Heathrow Airport
Another popular option for Seattle to London Heathrow Airport flights is KLM (7.8/10, 1,350 ratings). KLM flies from Seattle to London Heathrow Airport around 7 times per week, with deals starting from C$ 514 round-trip and rising to an average price of around C$ 650.
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to London. momondo saves you time and could save you money on your trip.
Can I find flights from Seattle to London with flexible booking policies on momondo?
All flight searches from Seattle to London on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to London?
Once all potential Seattle to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.