$436 Cheap KLM flights Los Angeles (LAX) to London (LHR)

View $436 flight on Sun, Mar 1, 2026Opens in a new window

$436 Cheap KLM flights Los Angeles (LAX) to London (LHR)

Prices were available within the past 7 days and start at $436 for one-way flights and $671 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Sun, Mar 1 - Wed, Mar 11
LAX
Los Angeles
LHR
London
$671 Roundtrip, found 4 hours ago
$671
Roundtrip
found 4 hours ago
Select KLM flight, departing Sun, Mar 1 from Los Angeles to London, returning Wed, Mar 11, priced at $671 found 4 hours ago

Find the cheapest month to fly from Los Angeles (LAX) to London (LHR)

September is typically the cheapest month to fly

From $392 - $935 per traveler.
Flights from Los Angeles (LAX) to London (LHR)
Origin airport
Los Angeles 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, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, United, Virgin Atlantic, WestJet
Popular airline
United
Distance
8708 km
Average flight time
18 hours 31 mins