Cheap flights from London to San Francisco

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London (YXU)
San Francisco (SFO)
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How to find the cheapest flight from
London (YXU) to San Francisco (SFO)

All the information you need to plan the best YXU to SFO flight in 2021: compare London to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
When is the cheapest time to fly from London, Ontario to San Francisco (YXU - SFO)?

When flying from London, Ontario to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 29% versus a flight in the evening.

What is the cheapest month to fly from London, Ontario to San Francisco?

The best pricing can be found in the month of September. Prices to San Francisco from London, Ontario average C$ 520. You can even find prices in September for less than C$ 520, as users have found deals to San Francisco from as low as C$ 423. The month of December appears to be one of the more expensive times to travel to San Francisco from London, Ontario. Flying in the targeted month can save you up to 36%.

What is the cheapest day to fly round-trip from London, Ontario to San Francisco?

Leaving on a Thursday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 14% on the overall cost on flights from London, Ontario to San Francisco.

Cheap flights from London to San Francisco in November, December 2021

The best prices found for YXU to SFO flights for November, December
4 Dec - 11 Dec
C$ 959pp
YXU
London
United Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
United Airlines
   
2 STOPS
YXU
London
4 Dec - 11 Dec
C$ 1,011pp
YXU
London
United Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
United Airlines
   
2 STOPS
YXU
London
4 Dec - 11 Dec
C$ 1,053pp
YXU
London
United Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
United Airlines
     
3 STOPS
YXU
London

London to San Francisco 2022 flight deals

Cheap flights to San Francisco from London found for next year
4 Dec - 11 Dec
C$ 959pp
YXU
London
United Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
United Airlines
   
2 STOPS
YXU
London
4 Dec - 11 Dec
C$ 1,011pp
YXU
London
United Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
United Airlines
   
2 STOPS
YXU
London
4 Dec - 11 Dec
C$ 1,053pp
YXU
London
United Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
United Airlines
     
3 STOPS
YXU
London

Last minute flights from London to San Francisco

Late deals on round-trip flights to San Francisco from London, departing today and this week
4 Dec - 11 Dec
C$ 959pp
YXU
London
United Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
United Airlines
   
2 STOPS
YXU
London
4 Dec - 11 Dec
C$ 1,011pp
YXU
London
United Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
United Airlines
   
2 STOPS
YXU
London
4 Dec - 11 Dec
C$ 1,053pp
YXU
London
United Airlines
   
2 STOPS
SFO
San Francisco
SFO
San Francisco
United Airlines
     
3 STOPS
YXU
London

One-way flights to San Francisco from London

The cheapest one-way flights from London to San Francisco
11:05 a.m. - 5:30 p.m.
Air Canada
1 stop
9h 25m
YXU - SFO
Air Canada
C$ 319
Air Canada
12:50 p.m. - 5:57 a.m.
Air Canada
1 stop
20h 07m
YXU - SFO
Air Canada
C$ 1,158
Air Canada
1:05 a.m. - 5:57 a.m.
Air Canada
1 stop
7h 52m
YXU - SFO
Air Canada
C$ 1,934
Air Canada

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">San Francisco</span> flights.

Flight FAQs

From London to San Francisco

Which airlines flying from London to San Francisco have flexible cancellations due to COVID-19?

Some of the carriers operating flights from London to San Francisco that may be offering flexible cancellation policies are Air Canada and WestJet. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from London, Ontario to San Francisco for under C$ 700 on Cheapflights?

Yes, there are multiple flights from London, Ontario to San Francisco for under C$ 700. The cheapest flight booked recently is on Air Canada for just C$ 601, but on average you can expect to pay C$ 912.

Are there last-minute flights available from London, Ontario to San Francisco for under C$ 1,000?

There are currently 5+ open flights from London, Ontario to San Francisco within the next 7 days for less than C$ 1,000.

How popular is this London, Ontario to San Francisco flight route?

This flight path from London to San Francisco was viewed by 81 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from London, Ontario to San Francisco round-trip?

According to our current data, Air Canada (C$ 601), and United Airlines (C$ 959) offers the cheapest pricing from London, Ontario to San Francisco.

What are the cheapest flights from London, Ontario to San Francisco?

Looking at all options, your cheapest flight can be booked for C$ 1,007. While the most popular route (London - San Francisco) can be booked for C$ 695 on average our data indicates C$ 1,007 when flying from London, Ontario to San Francisco.

COVID Restrictions

View COVID Travel Restrictions for San Francisco, CA

Do I need a COVID test to fly to San Francisco from London?

Information is based on travel restrictions from London to San Francisco

Most visitors from London need to provide a negative COVID-19 test result and/or quarantine to enter San Francisco.

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from London are not required to quarantine after entering San Francisco.

Do I need a test to fly back to London from San Francisco?

Returning to London from San Francisco

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering London.

Hide COVID Travel Restrictions for San Francisco, CA

Alternative routes for London to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Francisco

Things to know before you go - useful duration and weather info for your trip from London to San Francisco.
Today's exchange rate
C$ 1 = $0.79
Average temperature for November in San Francisco
18.0 °C
Avg rainfall for November in San Francisco
44.0 mm

Airports servicing London

Airports servicing San Francisco

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