$503 Cheap Austrian Airlines flights Seattle (SEA) to London (LON)

View $503 flight on Tue, Oct 28, 2025Opens in a new window
    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$503 Cheap Austrian Airlines flights Seattle (SEA) to London (LON)

Prices were available within the past 7 days and start at $503 for one-way flights and $806 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Sun, Nov 16 - Thu, Nov 27
SEA
Seattle
LHR
London
$806 Roundtrip, found 1 day ago
$806
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Sun, Nov 16 from Seattle to London, returning Thu, Nov 27, priced at $806 found 1 day ago
Flights from Seattle (SEA) to London (LGW)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Gatwick
Distance
4810 mi

Explore a world of travel with Expedia

*Available to One Key members.