Cheap flights from London, ON to San Francisco Bay Area

YXU — SFO
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from London to San Francisco Bay Area

Popular in

August

Cheapest in

January

Average price

C$ 1,168
Highest demand for flights based on searches. 8% potential increase in price (C$ 99 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease (C$ 80 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Insights

Everything you need to know about your flight from London to San Francisco Bay Area

What is the cheapest month to book a flight from London, Ontario to San Francisco Bay Area?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to San Francisco Bay Area (average of C$ 426). Flying from London, Ontario to San Francisco Bay Area in August is currently the most expensive (average of C$ 1,407). 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.

Related info for your journey

  • What airport do you fly from for flights from London to San Francisco Bay Area?

    Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to San Francisco Bay Area from London.

  • What are the most popular routes from London, Ontario to San Francisco Bay Area?

  • Can I find deals for flights from London to San Francisco Bay Area that include hotel bookings?

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

  • How can I find direct flights from London to San Francisco Bay Area?

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

  • Can I find deals for business class flights from London to San Francisco Bay Area?

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

  • What is the cheapest month to book a flight from London, Ontario to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to San Francisco Bay Area (average of C$ 426). Flying from London, Ontario to San Francisco Bay Area in August is currently the most expensive (average of C$ 1,407). 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.

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Alternative routes for London to San Francisco Bay Area

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When you search for this flight from London to San Francisco Bay Area, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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Yes, Cheapflights offers price alerts on London to San Francisco Bay Area flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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