$1,681 Cheap Finnair flights London (LHR) to San Francisco (SFO)

View $1,681 flight on Mon, Dec 22, 2025Opens in a new window

$1,681 Cheap Finnair flights London (LHR) to San Francisco (SFO)

Prices were available within the past 7 days and start at $1,681 for one-way flights and $1,784 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Mon, Dec 22 - Fri, Jan 2
LHR
London
SFO
San Francisco
$1,784 Roundtrip, found 1 day ago
$1,784
Roundtrip
found 1 day ago
Select Finnair flight, departing Mon, Dec 22 from London to San Francisco, returning Fri, Jan 2, priced at $1,784 found 1 day ago
Flights from London (LHR) to San Francisco (SFO)
Origin airport
Heathrow
Destination airport
San Francisco Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Popular airline
Virgin Atlantic
Distance
8567 km
Average flight time
3 hours 13 mins