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Cheap Flights from Seattle to London Gatwick

Compare Seattle to London Gatwick flight deals

Find the cheapest month or even day of the year to fly to London Gatwick

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Flight deals from Seattle to London Gatwick Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to London Gatwick Airport? If you want to travel next month, return fares start from Rs166,122. Find the lowest prices on one-way and return tickets right here.
London.Rs66,444 per passenger.Departing Fri, 17 Apr.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Fri, 17 Apr, arriving in London Gatwick.Price includes taxes and charges.From Rs66,444, select.
London.Rs68,431 per passenger.Departing Fri, 1 May.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Fri, 1 May, arriving in London Gatwick.Price includes taxes and charges.From Rs68,431, select.
London.Rs70,875 per passenger.Departing Thu, 24 Sep.One-way flight with KLM.Outbound indirect flight with KLM, departs from Seattle / Tacoma International on Thu, 24 Sep, arriving in London Gatwick.Price includes taxes and charges.From Rs70,875, select.
London.Rs71,615 per passenger.Departing Sun, 4 Oct.One-way flight with KLM.Outbound indirect flight with KLM, departs from Seattle / Tacoma International on Sun, 4 Oct, arriving in London Gatwick.Price includes taxes and charges.From Rs71,615, select.
London.Rs76,931 per passenger.Departing Mon, 3 Aug.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 3 Aug, arriving in London Gatwick.Price includes taxes and charges.From Rs76,931, select.
London.Rs77,926 per passenger.Departing Tue, 17 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Tue, 17 Nov, arriving in London Gatwick.Price includes taxes and charges.From Rs77,926, select.
London.Rs78,207 per passenger.Departing Sun, 29 Mar.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Sun, 29 Mar, arriving in London Gatwick.Price includes taxes and charges.From Rs78,207, select.
London.Rs84,454 per passenger.Departing Mon, 1 Jun.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 1 Jun, arriving in London Gatwick.Price includes taxes and charges.From Rs84,454, select.
London.Rs84,734 per passenger.Departing Thu, 30 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 30 Jul, arriving in London Gatwick.Price includes taxes and charges.From Rs84,734, select.
London.Rs111,665 per passenger.Departing Wed, 16 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Wed, 16 Dec, arriving in London Gatwick.Price includes taxes and charges.From Rs111,665, select.
London.Rs125,326 per passenger.Departing Mon, 15 Feb.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Mon, 15 Feb, arriving in London Gatwick.Price includes taxes and charges.From Rs125,326, select.
London.Rs126,146 per passenger.Departing Tue, 5 Jan.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Seattle / Tacoma International on Tue, 5 Jan, arriving in London Gatwick.Price includes taxes and charges.From Rs126,146, select.
London.Rs207,632 per passenger.Departing Mon, 15 Mar.One-way flight with Condor.Outbound indirect flight with Condor, departs from Seattle / Tacoma International on Mon, 15 Mar, arriving in London Gatwick.Price includes taxes and charges.From Rs207,632, select.

Find the cheapest month to fly from Seattle to London Gatwick

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to London Gatwick flights are currently cheapest in April.
Mar
from Rs78,207
Apr
from Rs66,444
May
from Rs68,431
Jun
from Rs84,454
Jul
from Rs84,734
Aug
from Rs76,931
Sep
from Rs70,875
Oct
from Rs71,615
Nov
from Rs77,926
Dec
from Rs111,665
Jan
from Rs126,146
Feb
from Rs125,326

Seattle to London Gatwick: Alternative routes

Compare routes from Seattle to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Gatwick.

London City

12km from central London
Closest
from Rs83,796
Search flights

London Heathrow

23km from central London
from Rs72,470
Search flights

London Gatwick

40km from central London
from Rs66,444
Search flights

London Luton

45km from central London
from Rs64,427
Search flights

London Stansted

49km from central London
Cheapest
from Rs57,641
Search flights

London Southend

57km from central London
from Rs72,537
Search flights

Seattle to London: Flight information

The things to know before you go.
Cheapest flight foundRs66,444
Cheapest month to flyApril

Finding cheap flights from Seattle to London Gatwick: Frequently asked questions

The best price we found for a return flight from Seattle to London Gatwick is Rs166,122. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to London Gatwick. But we found flights with one stop from Rs166,122.
As of March 2026, there are no flights flying from Seattle to London Gatwick.
The cheapest month to fly from Seattle to London Gatwick is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to London Gatwick Airport on Sunday, 19 April 2026.
No airlines currently offer direct flights between Seattle and London Gatwick Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Gatwick but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to London Gatwick is Icelandair .

Travelling from Seattle to London Gatwick Airport (LGW): What you need to know

  • London is eight hours ahead of Seattle. London Gatwick Airport is located in London, which follows the UTC+0 timezone.

  • Your flight from Seattle to LGW won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • With more people on the move during busy periods like July, get to the terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will help you deal with any delays. Remember things also get busy during major holidays like Fourth of July.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • We make it easy to book cheap flights from Seattle to LGW that include a stopover. To explore all your options departing from Seattle-Tacoma International Airport (SEA), deselect 'Direct flights only.' Next, choose a flight that has a stop long enough to tour your chosen city. Popular stopovers between SEA and LGW include:

    • Amsterdam Schiphol Airport (AMS)

    • Vancouver International Airport (YVR)

    • Keflavik Airport (KEF)

  • Located around 23 kilometres from the centre of Seattle, SEA can be reached in about 25 minutes by car (depending on traffic). The journey by public transport takes roughly 35 minutes.

  • Booked an early flight from Seattle to London Gatwick Airport? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these hotels close to Seattle-Tacoma International Airport:

  • 80% of flights leaving Seattle-Tacoma International Airport land at their destination on time. Given its reliable on-time performance, delays are unlikely when flying out of SEA.

Seattle Paine Field International Airport (PAE)

  • You can reach PAE from the centre of Seattle in approximately 40 minutes by car (depending on traffic). The ride by public transport takes roughly 1 hour 30 minutes to travel the 40 kilometres or so.

  • Want to treat yourself to an extra night away before your Seattle to LGW flight? Kick back in a hotel near Seattle Paine Field International Airport before your adventure officially begins. These stays have your key waiting:

  • Flights from Seattle Paine Field International Airport have a track record for punctuality, with 80% of them landing as expected.

About London Gatwick Airport (LGW)

Getting from London Gatwick Airport (LGW) to central London

  • The centre of London is around 40 kilometres from London Gatwick Airport. Travel times by car hire or taxi will vary based on traffic conditions and time of day, so do some research before your trip.

  • If you're taking public transport, expect a journey of around 1 hour 20 minutes.

How to find the cheapest flights from Seattle to London Gatwick Airport (LGW)

  • Rs66,444 is the lowest price for a one-way ticket from Seattle to London Gatwick Airport. Return flights start from Rs166,122. These fares can change depending on availability.

  • Don't wait until the last minute. You're more likely to walk away with cheap flights from Seattle to LGW if you book early. Airlines often offer some great early bird deals.

  • The 'Whole month' search tool shows you the cheapest Seattle to London Gatwick Airport tickets across the entire month. It's an easy way to find a bargain if your plans aren't set in stone.

  • You don't need to search every day to find out if prices have dropped when you create a Price Alert. We'll notify you the moment a better deal comes up on plane tickets from Seattle to LGW.

  • Find an affordable flight from Seattle to London Gatwick Airport by using the search filters. Select your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Seattle to London Gatwick Airport (LGW)

  • July is the most popular month for flights from Seattle to London Gatwick Airport (LGW). Plan your visit to London in January for a more low-key escape.

  • The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Lock in your Seattle to LGW plane ticket then if that's your idea of comfortable weather.

  • If you like travelling in cooler conditions, search for a cheap ticket from Seattle to London Gatwick Airport in January when temperatures are between 0ºC and 9ºC.

More about London

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in London right here. Check out these options after locking in your flight from Seattle to London Gatwick Airport:

  • You'll find plenty of terrific things to do in London when you're ready to sightsee. Kick things off at The British Museum followed by Westminster Abbey and Big Ben.

Explore more of the United Kingdom

  • You've visited London, now it's time to discover other corners of the United Kingdom. Journey around 290 kilometres northwest to Manchester to check off its top attractions. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you'll have a full itinerary ahead.

  • Birmingham is another essential stop in the United Kingdom and is around 193 kilometres northwest of London. No journey is complete without visiting Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience.

Plan the rest of your trip from Seattle to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.