Cheap flights from Seattle to London

Travel > Europe > United Kingdom > Seattle to London flights

Travel tip: Big Ben is great!

Check our current prices for flights from Seattle to London. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Seattle to London, you will need to run a search below.

Search and Compare cheap Flights

Enter your travel details:Step 1

Select merchants to compare:Step 2
From $2604 / RT details

Book your flight now with and save!

Cheap London airfares from $2604/RT are provided by Outbound flight is leaving on 10/25/2019, 03:50 pm from Seattle/tacoma Sea/tac (SEA) airport and arrives at London Heathrow (LHR) at 11:45 am. The flight time is 19 hours and 55 minutes. The Returning flight departes on 11/15/2019, 12:20 pm (other return dates are also available). Date posted: 23 Jan 2019

Price evolution for flights From Seattle To London

Price overview for flights from Seattle to London

Recent Deals on Flights from Seattle to London:Roundtrip / Oneway

  • $2604Iceland Air flight Iceland Air 
    Seattle, WA (SEA)London, GB (LHR)10/25/201903:50 pm
    London, GB (LHR)Seattle, WA (SEA)11/15/201912:20 pm check price
  • $2972Iceland Air flight Iceland Air 
    Seattle, WA (SEA)London, GB (LGW)10/25/201903:50 pm
    London, GB (LGW)Seattle, WA (SEA)11/15/201911:50 am check price
  • $3671Multiple Airlines flight Multiple Airlines 
    Seattle, WA (SEA)London, GB (LHR)10/25/201905:35 pm
    London, GB (LHR)Seattle, WA (SEA)11/15/201907:30 pm check price
  • $3676Multiple Airlines flight Multiple Airlines 
    Seattle, WA (SEA)London, GB (LHR)10/25/201905:35 pm
    London, GB (LHR)Seattle, WA (SEA)11/15/201907:30 pm check price
  • $5407Finn Air flight Finn Air 
    Seattle, WA (SEA)London, GB (LGW)10/25/201907:35 am
    London, GB (LGW)Seattle, WA (SEA)11/15/201904:45 pm check price
  • We are sorry but currently there are no oneway offers for flights from Seattle to London.
    Please visit this page again later or try out our merchant comparison search. Good luck!
cheap domestic and international flights

Recently found cheap flight deals

Multiple AirlinesBoston To Minsk Multiple Airlines airfares from Boston in June
$1510 Depart: 06/27/2018
Return: 07/11/2018

provided by Flightnetwork

Alaska AirlinesVancouver To San Francisco Alaska Airlines airfares from Vancouver in June
$306 Depart: 06/04/2019
Return: 06/12/2019

provided by Travelgrove

Multiple AirlinesSan Diego To Jacksonville Multiple Airlines airfares from San Diego in December
$1397 Depart: 12/30/2018
Return: 01/06/2019

provided by

AeromexicoCleveland To Cancun Aeromexico airfares from Cleveland in June
$502 Depart: 06/11/2019
Return: 06/18/2019

provided by

United AirlinesIndianapolis To Miami United Airlines airfares from Indianapolis in March
$516 Depart: 03/03/2019
Return: 03/10/2019

provided by Flightnetwork

Multiple AirlinesBaltimore To Milan Multiple Airlines airfares from Baltimore in April
$1472 Depart: 04/24/2019
Return: 04/30/2019

provided by Flightnetwork

Southwest AirlinesMemphis To Charlotte Southwest Airlines airfares from Memphis in February
$370 Depart: 02/25/2019
Return: 03/12/2019

provided by Flightnetwork

Southwest AirlinesSpokane To New York City Southwest Airlines airfares from Spokane in February
$456 Depart: 02/22/2019
Return: 03/04/2019

provided by Flightnetwork

Multiple AirlinesSan Francisco To Quito Multiple Airlines airfares from San Francisco in June
$653 Depart: 06/13/2018
Return: 06/27/2018

provided by


Specify your search details. Browse the cheapest flights from Seattle to London, London hotel rooms and Seattle to London vacation packages from the most popular providers, airline consolidators and travel search engines.

Know what to do when flying to London?

London Travel Guide Home of kings and queens, a place of dreams and opulence, London is one of the biggest destinations in Europe. It has everything you would expect in a big metropolis and more. It has amazing architecture, great museums and attractions, [...]
London History Visitors from around the world are magnetized by the city’s magnificent architectural structure and rich history.  Being a major financial capital and center of commerce, music, fashion trends, entertainment and music is what makes London [...]
London Sightseeing With its exciting mixture of tradition and contemporariness London has something to offer everyone. London’s ancient heritage ensures that there are many historical hotspots in the city that offer a wealth of cultural richness but the [...]
London Nightlife There is no perfect time to explore and unravel all of London, but during the night, you will surely have the grandest time and will even consider extending your stay at this grand city.  One excellent time to find more of London is during the [...]
London Pictures
  • Royal Guard - Londonview
  • London first - Londonview
  • London's Churches - Londonview
  • London Neighborhood near Harrods - Londonview
   Welcome to Travelgrove  register tell a friend bookmark it 
This airfare deal was found   ago. Click "Check price" to see current prices!