Cheap Flights from Seattle (SEA) to London (BQH)

Popular airlines from Seattle-Tacoma International Airport (SEA) to London (BQH-Biggin Hill)

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Heathrow LHR. Average driving time to city center is 28 minutes. Flights from $1,041
LHR
Heathrow
Average driving time to city center28 min
Flights from $1,041
Select flight to Gatwick LGW. Average driving time to city center is 52 minutes. Flights from $1,256
LGW
Gatwick
Average driving time to city center52 min
Flights from $1,256
Select flight to London City LCY. Cheapest and Closest option available. Average driving time to city center is 21 minutes. Flights from $855
LCY
London City
CheapestClosest
Average driving time to city center21 min
Flights from $855

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH) cost?
Grab a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH)?
is the cheapest month to fly from SEA to BQH. Avoiding peak travel times is often the key to landing a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SEA to BQH flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH)?
There are no daily direct flights available from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SEA to BQH?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH)?
Opt for a flight from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for London from Seattle - Tacoma Intl. Airport (SEA)?
If you're flying on a direct flight from Seattle - Tacoma Intl. Airport (SEA) to London, Heathrow Airport (LHR) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH) last-minute?
Booking your ticket from SEA to BQH right before your journey is typically more expensive. However, if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SEA to BQH flight and hotel package?
Compared with arranging flights and hotels separately, booking a SEA to BQH flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Biggin Hill Airport (BQH)?
Typically, it's possible to cancel or reschedule your SEA to BQH flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Biggin Hill
Distance
4806 mi

Book with confidence

Seattle to London Flights

The cheapest times to fly from Seattle to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to London are during the month of . You can find some of the cheapest flights from Seattle to London with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to London

Sunday is one of the best days to book for cheap flights from Seattle to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to London in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to London Flights

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*Available to One Key members.