$514 Cheap Alaska Airlines flights Seattle (SEA) to London (LHR)

$514 Cheap Alaska Airlines flights Seattle (SEA) to London (LHR)

Prices were available within the past 7 days and start at $514 for one-way flights and $858 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Flights from Seattle (SEA) to London (LHR)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, United, Virgin Atlantic, WestJet
Popular airline
Icelandair
Distance
7657 km
Average flight time
16 hours 38 mins