$823 Cheap Aer Lingus flights San Francisco (SFO) to London (LCY)

$823 Cheap Aer Lingus flights San Francisco (SFO) to London (LCY)

Prices were available within the past 7 days and start at $823 for one-way flights and $1,720 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jan 4 - Thu, Jan 8

SFO

San Francisco

LCY

London

$1,720 Roundtrip, found 13 hours ago

$1,720

Roundtrip

found 13 hours ago

Select Aer Lingus flight, departing Sun, Jan 4 from San Francisco to London, returning Thu, Jan 8, priced at $1,720 found 13 hours ago