$2,014 Cheap KLM flights London (LHR) to Seattle (SEA)

View $2,014 flight on Fri, Mar 27, 2026Opens in a new window

$2,014 Cheap KLM flights London (LHR) to Seattle (SEA)

Prices were available within the past 7 days and start at $2,014 for one-way flights and $1,577 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sat, Dec 20 - Sun, Jan 4
LHR
London
SEA
Seattle
$1,577 Roundtrip, found 3 days ago
$1,577
Roundtrip
found 3 days ago
Select KLM flight, departing Sat, Dec 20 from London to Seattle, returning Sun, Jan 4, priced at $1,577 found 3 days ago

Travel information

Origin airport
Heathrow
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Turkish Airlines, United, WestJet
Popular airline
Lufthansa
Distance
7657 km
Average flight time
2 hours 9 mins

Explore a world of travel with Expedia