Explore Air Canada flights from United States to United Kingdom starting at

Select journey type

Enter to select travel class and passengers

Book your flight between United States and United Kingdom today and save

FromToDepartureFare TypePrice

San Francisco (SFO)

London (LHR)

Aug 27, 2019-

Sep 06, 2019

Round-trip / Economy
CAD 938*
Viewed:12hoursago

*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.