SEA to LON (Seattle to London) Flights

Last Minute Flights from SEA to LON

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SEAGatwickMay 4 to May 11$610
*Prices include taxes and fees

Cheapest SEA to LON Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
SEAGatwickAugust 18 to August 25$448
SEALondonDecember 10 to December 17$479
SEALondonAugust 20 to August 27$678
SEABishop's StortfordSeptember 21 to September 30$716
*Prices include taxes and fees
SEA to LON Flight Details
Origin airport
Seattle - Tacoma Intl.
Origin airport IATA code
SEA
Destination airport
Gatwick
Destination airport IATA code
LGW
Distance
4810 mi

Frequently asked questions

How many flights are there from SEA to London (LON-All Airports)?
About 10 flights operate per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to London (LON-All Airports). Fasten your safety belt because your plane to England is ready to take off.
How many morning flights are there from SEA to London (LON-All Airports)?
Buckle up and jet from SEA to London (LON-All Airports) on one of the 14 morning flights each week. Delta Air Lines (DL) lists 14 weekly flights leaving before midday. 7:10AM is the first departure time available with this carrier.
How many afternoon flights are there from SEA to London (LON-All Airports)?
Every week, you can decide between 60 afternoon and evening flights from SEA to London (LON-All Airports).

  • Delta Air Lines (DL) operates 17 flights each week departing after midday. The first one is scheduled for 2:35AM.
  • Alternatively, British Airways (BA) operates 14 afternoon and evening flights per week, with the earliest departing at 2:40AM.

What is the earliest departure time out of SeaTac to England?
The earliest flight jets off from SEA at 7:10AM and touches down at London (LON-All Airports) at 5:00AM. Don’t forget to give yourself adequate time in the morning to easily get to the check-in counter.
What is the latest departure time out of SeaTac to England?
From SEA, the latest flight takes off at 11:59PM and lands at London (LON-All Airports) at 2:55AM. If you don’t do early mornings, this is the flight for you!
What is the average price from SeaTac to England?
Round-trip flights from SEA to London (LON-All Airports) start from $448. Book your adventure today and score a sensational deal. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Seattle to London Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Seattle to London to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from SEA to LON, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Seattle to London, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.