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Cheap flights from London to San Francisco from C$ 317

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YXU — SFO
16 Apr — 23 Apr1
1 adult
Tue 16/4
Tue 23/4

Cheap flight deals from London to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 April 2024.

Popular in

February

Cheapest in

October

Round-trip from

C$ 370

One-way from

C$ 317
High demand for flights, 16% potential price rise
Best time to find cheap flights, 22% potential price drop
From London to San Francisco
One-way flight from London to San Francisco

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 70% on the overall cost on flights from London, Ontario to San Francisco.

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

The best pricing can be found in the month of October. Prices to San Francisco from London, Ontario average C$ 687. You can even find prices in October for less than C$ 687, as users have found deals to San Francisco from as low as C$ 419. The month of February 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 19%.

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 at noon, which can drop the price by up to 27% versus a flight in the morning.

Cheap Air Canada flights from London to San Francisco

Explore cheap flight options specifically provided by Air Canada for the route between London and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 539,100 searches. Data last updated 11 April 2024.
Consider these cheap Air Canada flights we've found departing from London to San Francisco. It's recommended that users confirm their flight details before booking.
Fri 24/53:25 p.m.YXU - SFO
1 stop7h 42mAir Canada
Sun 26/510:05 p.m.SFO - YXU
1 stop8h 11mAir Canada
Deal found 10/4C$ 673
Fri 24/56:00 a.m.YXU - SFO
1 stop7h 47mAir Canada
Sun 26/510:05 p.m.SFO - YXU
1 stop8h 11mAir Canada
Deal found 11/4C$ 685
Fri 14/63:25 p.m.YXU - SFO
2 stops10h 52mAir Canada
Mon 17/610:30 p.m.SFO - YXU
2 stops13h 15mAir Canada
Deal found 9/4C$ 700
Fri 14/66:00 a.m.YXU - SFO
2 stops11h 43mAir Canada
Mon 17/610:30 p.m.SFO - YXU
2 stops13h 15mAir Canada
Deal found 10/4C$ 708
Fri 14/63:25 p.m.YXU - SFO
1 stop7h 42mAir Canada
Mon 17/64:35 p.m.SFO - YXU
1 stop13h 40mAir Canada
Deal found 9/4C$ 745
Fri 10/53:25 p.m.YXU - SFO
1 stop7h 42mAir Canada
Fri 17/510:05 p.m.SFO - YXU
1 stop8h 11mAir Canada
Deal found 10/4C$ 753
Mon 3/63:25 p.m.YXU - SFO
1 stop7h 42mAir Canada
Sat 8/64:35 p.m.SFO - YXU
1 stop13h 41mAir Canada
Deal found 10/4C$ 786
Fri 14/66:00 a.m.YXU - SFO
2 stops11h 43mAir Canada
Sun 16/61:10 a.m.SFO - YXU
2 stops10h 36mAir Canada
Deal found 10/4C$ 959
Thu 30/53:25 p.m.YXU - SFO
1 stop7h 42mAir Canada
Thu 6/61:10 a.m.SFO - YXU
2 stops10h 36mAir Canada
Deal found 10/4C$ 1,468

Cheap WestJet flights from London to San Francisco

Explore cheap flight options specifically provided by WestJet for the route between London and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 539,100 searches. Data last updated 11 April 2024.
Browse through some of the cheapest WestJet flights travelling from London to San Francisco. Ensure the flight price, dates, time, and airline match your criteria before you book.
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/57:30 a.m.SFO - YXU
1 stop8h 43mWestJet
Deal found 10/4C$ 727
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/53:20 p.m.SFO - YXU
2 stops24h 53mWestJet
Deal found 10/4C$ 737
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/57:30 a.m.SFO - YXU
1 stop8h 43mWestJet
Deal found 11/4C$ 738
Wed 29/58:00 p.m.YXU - SFO
1 stop24h 18mWestJet
Sun 2/66:05 p.m.SFO - YXU
1 stop8h 25mWestJet
Deal found 11/4C$ 740
Thu 30/58:00 p.m.YXU - SFO
2 stops21h 34mWestJet
Fri 7/66:05 p.m.SFO - YXU
1 stop8h 25mWestJet
Deal found 10/4C$ 742
Wed 29/58:00 p.m.YXU - SFO
2 stops21h 34mWestJet
Sun 2/66:05 p.m.SFO - YXU
1 stop8h 25mWestJet
Deal found 11/4C$ 798
Mon 3/68:00 p.m.YXU - SFO
1 stop19h 02mWestJet
Sat 8/65:15 p.m.SFO - YXU
2 stops33h 15mWestJet
Deal found 10/4C$ 835
Mon 3/68:00 p.m.YXU - SFO
2 stops21h 34mWestJet
Sat 8/65:15 p.m.SFO - YXU
2 stops33h 15mWestJet
Deal found 10/4C$ 842
Wed 29/58:00 p.m.YXU - SFO
2 stops21h 34mWestJet
Sun 2/63:20 p.m.SFO - YXU
2 stops11h 10mWestJet
Deal found 11/4C$ 970

Cheap London to San Francisco flights in April & May 2024

Find cheap flight options from London to San Francisco specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 539,100 searches. Prices were last updated on 11 April 2024.
These are some of the most attractive deals on flights from London to San Francisco in 2024. More deals are always being added, so be sure to check back regularly.
Fri 24/53:25 p.m.YXU - SFO
1 stop7h 42mAir Canada
Sun 26/510:05 p.m.SFO - YXU
1 stop8h 11mAir Canada
Deal found 10/4C$ 673
Fri 24/56:00 a.m.YXU - SFO
1 stop7h 47mAir Canada
Sun 26/510:05 p.m.SFO - YXU
1 stop8h 11mAir Canada
Deal found 11/4C$ 685
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/57:30 a.m.SFO - YXU
1 stop8h 43mWestJet
Deal found 10/4C$ 727
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/53:20 p.m.SFO - YXU
2 stops24h 53mWestJet
Deal found 10/4C$ 737
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/57:30 a.m.SFO - YXU
1 stop8h 43mWestJet
Deal found 11/4C$ 738
Wed 29/58:00 p.m.YXU - SFO
1 stop24h 18mWestJet
Sun 2/66:05 p.m.SFO - YXU
1 stop8h 25mWestJet
Deal found 11/4C$ 740
Thu 30/58:00 p.m.YXU - SFO
2 stops21h 34mWestJet
Fri 7/66:05 p.m.SFO - YXU
1 stop8h 25mWestJet
Deal found 10/4C$ 742
Fri 10/58:00 p.m.YXU - SFO
1 stop28h 13mMultiple Airlines
Fri 17/510:15 a.m.SFO - YXU
2 stops16h 15mMultiple Airlines
Deal found 10/4C$ 748
Fri 10/53:25 p.m.YXU - SFO
1 stop7h 42mAir Canada
Fri 17/510:05 p.m.SFO - YXU
1 stop8h 11mAir Canada
Deal found 10/4C$ 753

London to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between London and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 539,100 searches. Data last updated 11 April 2024.
These are some of the most attractive deals on flights from London to San Francisco in 2024. More deals are always being added, so be sure to check back regularly.
Fri 24/53:25 p.m.YXU - SFO
1 stop7h 42mAir Canada
Sun 26/510:05 p.m.SFO - YXU
1 stop8h 11mAir Canada
Deal found 10/4C$ 673
Fri 24/56:00 a.m.YXU - SFO
1 stop7h 47mAir Canada
Sun 26/510:05 p.m.SFO - YXU
1 stop8h 11mAir Canada
Deal found 11/4C$ 685
Fri 14/63:25 p.m.YXU - SFO
2 stops10h 52mAir Canada
Mon 17/610:30 p.m.SFO - YXU
2 stops13h 15mAir Canada
Deal found 9/4C$ 700
Fri 14/66:00 a.m.YXU - SFO
2 stops11h 43mAir Canada
Mon 17/610:30 p.m.SFO - YXU
2 stops13h 15mAir Canada
Deal found 10/4C$ 708
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/57:30 a.m.SFO - YXU
1 stop8h 43mWestJet
Deal found 10/4C$ 727
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/53:20 p.m.SFO - YXU
2 stops24h 53mWestJet
Deal found 10/4C$ 737
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Sun 26/57:30 a.m.SFO - YXU
1 stop8h 43mWestJet
Deal found 11/4C$ 738
Wed 29/58:00 p.m.YXU - SFO
1 stop24h 18mWestJet
Sun 2/66:05 p.m.SFO - YXU
1 stop8h 25mWestJet
Deal found 11/4C$ 740
Thu 30/58:00 p.m.YXU - SFO
2 stops21h 34mWestJet
Fri 7/66:05 p.m.SFO - YXU
1 stop8h 25mWestJet
Deal found 10/4C$ 742

One-way flights to San Francisco from London

Search for one-way flight options from London to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 539,100 searches. Data last updated 11 April 2024.
Users travelling one-way from London to San Francisco can select one of these great deals. For those needing a return trip from London, there is a search form available above.
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Deal found 10/4C$ 317
Fri 24/56:15 a.m.YXU - SFO
2 stops11h 19mWestJet
Deal found 11/4C$ 321
Fri 24/56:00 a.m.YXU - SFO
1 stop7h 47mAir Canada
Deal found 10/4C$ 357
Fri 24/56:00 a.m.YXU - SFO
1 stop7h 47mAir Canada
Deal found 11/4C$ 362

Find flights from London to San Francisco within your budget

Customize your flight search to find flights from London to San Francisco 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 539,100 searches. Data last updated 11 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 673 - C$ 768

Route

Depart

Return

Price

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 24/5

1 stop7h 42m

San Francisco

Sun 26/5

1 stop8h 11m

C$ 673

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 24/5

1 stop7h 47m

San Francisco

Sun 26/5

1 stop8h 11m

C$ 685

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 14/6

2 stops10h 52m

San Francisco

Mon 17/6

2 stops13h 15m

C$ 700

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 14/6

2 stops11h 43m

San Francisco

Mon 17/6

2 stops13h 15m

C$ 708

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 24/5

2 stops11h 19m

San Francisco

Sun 26/5

1 stop8h 43m

C$ 727

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 24/5

2 stops11h 19m

San Francisco

Sun 26/5

2 stops24h 53m

C$ 737

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 24/5

2 stops11h 19m

San Francisco

Sun 26/5

1 stop8h 43m

C$ 738

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 10/5

1 stop28h 13m

San Francisco

Fri 17/5

2 stops16h 15m

C$ 748

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 10/5

2 stops21h 34m

San Francisco

Fri 17/5

2 stops16h 15m

C$ 768

Flights are sorted by cheapest first

Deals found on 10/4

When is the cheapest time to fly from London, Ontario to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from London to San Francisco. Price data was last updated on 7 April 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their London, Ontario to San Francisco flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Francisco by month

Plan your trip from London to San Francisco by taking into account the cheapest months to travel. The average price of a one-way flight from London to San Francisco is currently C$ 339 while a round-trip flight costs C$ 720. Price data was last updated on 7 April 2024.

Currently, January is the cheapest month in which you can book a flight from London, Ontario to San Francisco (average of C$ 271). Flying from London, Ontario to San Francisco in July is currently the most expensive (average of C$ 429). 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.

January

C$ 369

February

C$ 379

March

C$ 486

April

C$ 422

May

C$ 486

June

C$ 486

July

C$ 584

August

C$ 537

September

C$ 505

October

C$ 504

November

C$ 537

December

C$ 498

Temperature and rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature and rainfall totals by month.

SFO

Temperature

11 - 17 °C

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated 11 April 2024.
To help decide which airline to fly from London to San Francisco, see what other customers have to say about Air Canada and WestJet. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.5
Good
3,007 reviews

Boarding

7.7

Overall

7.5

Comfort

7.3

Food

6.5

Crew

8.2

Entertainment

6.5

Reviews

1 / 10

Flights good. Our original flight from Halifax to Toronto was delayed 4 days Unacceptable We flew with Air Canada a picked up original flight in Toronto Cost extra $500 Maybe Westjet could give us a voucher or pay for this inconvenience. Thank You. Garry Barkman

7.5
Good
3,007 reviews
7.5
Good
3,007 reviews

Boarding

7.7

Overall

7.5

Comfort

7.3

Food

6.5

Crew

8.2

Entertainment

6.5

Reviews

1 / 10

Flights good. Our original flight from Halifax to Toronto was delayed 4 days Unacceptable We flew with Air Canada a picked up original flight in Toronto Cost extra $500 Maybe Westjet could give us a voucher or pay for this inconvenience. Thank You. Garry Barkman

7.0
Good
6,809 reviews
7.5
Good
3,007 reviews

Boarding

7.7

Overall

7.5

Comfort

7.3

Food

6.5

Crew

8.2

Entertainment

6.5

Reviews

1 / 10

Flights good. Our original flight from Halifax to Toronto was delayed 4 days Unacceptable We flew with Air Canada a picked up original flight in Toronto Cost extra $500 Maybe Westjet could give us a voucher or pay for this inconvenience. Thank You. Garry Barkman

Related info for your journey

Find useful and relevant information for your journey from London to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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$ 673, but on average you can expect to pay C$ 774.

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

    According to our current data, Air Canada (C$ 673), and WestJet (C$ 727) offers the cheapest pricing from London, Ontario to San Francisco. Air Canada is 2% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does YXU to SFO mean?

    YXU stands for London Airport, while SFO stands for San Francisco Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from London to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from London to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

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

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

  • Can I find deals for flights from London to San Francisco that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from London to San Francisco?

    Yes, you can often find last-minute deals on London to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London, Ontario to San Francisco flight deals updated?

    The London, Ontario to San Francisco flight deals you see on this page were last updated on 11/4.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from London to San Francisco

Discover the top airline that operate flights from London to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 539,100 searches. Data last updated 11 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 429AverageC$ 604FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Search flights from London to San Francisco by cabin class

Find flights from London to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to San Francisco?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to San Francisco.

Can Cheapflights find flights from London to San Francisco with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to San Francisco flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to San Francisco become cheaper?

Of course! You can now track prices for flights from London to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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