$207+ Cheap flights from San Francisco (SFO) to London, ON (YXU)

A quick flight from San Francisco to London, Ontario can take about 11h 46m. Air Canada provides one of the quickest options available for as low as $438. The distance from San Francisco to London, Ontario is about 2180 mi.

WestJet, at $162, was found to be the cheapest airline from San Francisco to London, Ontario.Alternate airlines to your destination round-trip include Air Canada and United Airlines. These flights start at 56% lower than the current average price 3 months from now.

Yes. In addition to deals on San Francisco to London flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to London.

Yes. Cheapflights offers flight deals from San Francisco to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, February is the cheapest month in which you can book a flight from San Francisco to London, Ontario (average of $127). Flying from San Francisco to London, Ontario in December is currently the most expensive (average of $212). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.