Cheap flights from San Francisco Bay Area to London, ON from C$ 450
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from San Francisco Bay Area to London
Keep the following information in mind while searching for San Francisco Bay Area to London flight deals. Data was last updated 1 May 2025.
Find flight deals from San Francisco Bay Area to London
Cheapest flights from San Francisco Bay Area to LondonExplore the most affordable flight options available from San Francisco Bay Area to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.
Explore the most affordable flight options available from San Francisco Bay Area to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco Bay Area to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 1 May 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoLondon
SFO - YXU
SFOYXU
San Francisco
Sat 23/8
2:45 p.m.-5:14 a.m.
2 stops11h 29m
London
Sun 31/8
6:00 a.m.-1:59 p.m.
2 stops10h 59m
San FranciscoLondon
SFO - YXU
SFOYXU
San Francisco
Sat 23/8
11:00 p.m.-9:17 a.m.
1 stop7h 17m
London
Sun 31/8
6:00 a.m.-11:56 a.m.
1 stop8h 56m
San FranciscoLondon
SFO - YXU
SFOYXU
San Francisco
Fri 22/8
12:43 a.m.-9:27 p.m.
2 stops17h 44m
London
Sun 31/8
6:15 a.m.-1:03 p.m.
1 stop9h 48m
San JoseLondon
SJC - YXU
SJCYXU
San Jose
Sat 14/6
10:59 a.m.-5:14 a.m.
3 stops39h 15m
London
Sat 21/6
6:00 a.m.-11:34 p.m.
3 stops20h 34m
San JoseLondon
SJC - YXU
SJCYXU
San Jose
Sat 14/6
7:00 a.m.-9:18 a.m.
2 stops23h 18m
London
Sat 21/6
6:15 a.m.-1:21 p.m.
2 stops10h 06m
Best time to book a flight from San Francisco Bay Area to London
Have a flexible travel schedule? Discover the best time to fly to London from San Francisco Bay Area with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco Bay Area to London
What is the cheapest month to book a flight from San Francisco Bay Area to London, Ontario?
Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to London, Ontario (average of C$ 243). Flying from San Francisco Bay Area to London, Ontario in December is currently the most expensive (average of C$ 478). 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.
Rainfall in London by month
Plan your trip to London by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 mm per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.
Temperature in London by month
Plan your trip to London by taking into account the average temperature totals by month.
If weather is an important factor for your trip to London, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 1 May 2025.
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Boarding
Comfort
Food
Entertainment
Crew
Overall
Reviews
Thomas,Mar 2025
SFO - TPE
Related info for your journey
Find useful and relevant information for your journey from San Francisco Bay Area to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near San Francisco Bay Area?
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Alternative routes for San Francisco Bay Area to London
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How does Cheapflights help users find flights from San Francisco Bay Area to London?
Cheapflights makes it easy to find San Francisco Bay Area to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from San Francisco Bay Area to London?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from San Francisco Bay Area.
Can Cheapflights find flights from San Francisco Bay Area to London with no change fees?
Certainly. Search results for flights to London from San Francisco Bay Area shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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