Flights from Seattle (SEA) to London (LHR)

Airfares shown were available within the past 72 hours. Prices and availability may change at the time of booking.

• Seattle to London Oct 31, 2026 - Nov 19, 2026

  

  Economy

  $1920 Total Price
• Seattle to London Nov 05, 2026 - Nov 17, 2026

  

  Economy

  $1975 Total Price
• Seattle to London Dec 13, 2026 - Dec 28, 2026

  

  Economy

  $1495 Total Price
• Seattle to London Dec 25, 2026 - Jan 01, 2027

  

  Economy

  $1950 Total Price
• Seattle to London Dec 26, 2026 - Jan 03, 2027

  

  Economy

  $4130 Total Price
• Seattle to London Dec 28, 2026 - Feb 05, 2027

  

  Economy

  $2729 Total Price
• Seattle to London Jan 17, 2027 - Apr 01, 2027

  

  Economy

  $1665 Total Price
• Seattle to London Feb 22, 2027 - Mar 09, 2027

  

  Economy

  $1500 Total Price