sea-to-lgw

 

The cheapest times to fly from SEA to LGW are

  • January 8th to April 15th
  • April 30th to June 3rd (except the week of May 7th)
  • September 10th to November 18th (except the weeks of October 15th and October 29th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to LGW is late May. Prices can be as high as $1423 for Saturday flights during mid December, or as low as $386 for Tuesday flights around late May.

 

When to Fly to London

Flying from Seattle, WA (SEA) to London (LGW) will usually cost between $432 to $897 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May with an average ticket price of $442. Due to high demand the most expensive time to fly is mid December, with an average price of $1104. Planning your trip to low-cost times can easily save you $663 on economy flights and even more on first-class flights. Generally, any price below $504 can be considered a good price for a round-trip SEA to LGW flight.

See below for a graph of average weekly prices for the SEA to LGW route. All prices are for round-trip tickets in USD.

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SEA to LGW Flight Prices

Compared to other flights, the SEA to LGW flight is cheaper than the average and costs much less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.07, which is far below average.

 

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to LGW, and Monday the cheapest day to fly back into SEA. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $103 (16%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $506. Return trip prices are from the LGW to SEA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

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Departure Day Prices

Return Trip Prices by Day

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Return Day Prices

 

Nonstop Flights and Layovers

Travelers looking to fly from SEA to LGW can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 9 hour 38 minutes may be realistic.

 

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SEA to LGW while comparing.

Destination alternative #1: London Heathrow Airport (LHR) in London

  • 25 miles (40 km) away from LGW
  • Usually 1.89% less expensive than LGW
  • Nonstop flights available

See SEA to LHR flights

 

Flight Questions Answered

Still have questions about flying from SEA to LGW? We’ve got answers.

Which airlines fly this route?

You can find 27 major airlines flying this route most often: Aer Lingus, Aeromexico, Air Canada, Air Europa, Air France, Alaska, American, British Airways, Brussels Airlines, Condor, Delta, Emirates, Finnair, Iberia, Icelandair, JetBlue, KLM, Lufthansa, Norwegian Air UK, Smartwings, Tap Air Portugal, Turkish Airlines, Ukraine International, United, Virgin Atlantic, WestJet, Wizz Air, and potentially more during busy seasons.

How far away is it from London Gatwick Airport to Seattle/Tacoma International Airport?

The distance between the two airports is roughly 4810 miles or 7741 kilometers.

How long does it take to fly from SEA to LGW?

The real-world flight time for a nonstop SEA to LGW flight is about 9 hour 38 minutes.

How many flights go between Seattle, WA and London?

It depends on the day of the week and the date, but a typical day might have around 84 available flights from SEA to LGW.

 

Airport Location Info

 

Departing Airport

Origination code SEA
Origination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3

Return Airport

Destination code LGW
Destination airport name London Gatwick Airport
City London
Country the United Kingdom
Latitude 51.1
Longitude -0.2

 

Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.