Cheap flights from London (YXU) to San Francisco (SFO) from $234

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 7/17. 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
Jun 4 — Jun 111

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 May 30, 2024.

Popular in

December

Cheapest in

April

Round-trip from

$268

One-way from

$236
High demand for flights, 44% potential price rise
Best time to find cheap flights, 34% 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?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 62% on your flight compared to booking on days when demand is much higher.

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

Flights from London, Ontario to San Francisco lean towards being more expensive in December. Prices are generally better when you fly from London, Ontario to San Francisco in April, with the cheapest ticket starting at $315.

What is the cheapest time of day to fly from YXU to SFO?

A simple way to save on the total cost of your ticket is to fly from London, Ontario to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the morning.

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 2,784,634 searches. Data last updated May 30, 2024.
Wed 7/176:15 amYXU - SFO
1 stop8h 45mWestJet
Deal found 5/29$234
Mon 7/157:10 pmYXU - SFO
1 stop17h 20mFlair Airlines
Deal found 5/29$236
Tue 7/166:15 amYXU - SFO
2 stops11h 18mWestJet
Deal found 5/29$239
Tue 7/26:00 amYXU - SFO
1 stop7h 35mAir Canada
Deal found 5/28$241
Tue 7/26:00 amYXU - SFO
2 stops15h 52mUnited Airlines
Deal found 5/28$246
Mon 7/158:00 pmYXU - SFO
2 stops21h 33mWestJet
Deal found 5/29$254
Tue 7/168:00 pmYXU - SFO
1 stop24h 13mWestJet
Deal found 5/29$261
Sat 7/136:15 amYXU - SFO
2 stops17h 19mMultiple Airlines
Deal found 5/29$275
Sat 6/296:15 amYXU - SFO
2 stops30h 15mMultiple Airlines
Deal found 5/28$306

What is the cheapest day 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 May 26, 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 Friday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from London to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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

51.8 - 62.6 °F

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 May 30, 2024.
7.5
Good
2,866 reviews

Food

6.4

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

6.4

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

7.5
Good
2,866 reviews
7.5
Good
2,866 reviews

Food

6.4

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

6.4

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

7.4
Good
10,777 reviews
7.5
Good
2,866 reviews

Food

6.4

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

6.4

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

7.0
Good
7,004 reviews
7.5
Good
2,866 reviews

Food

6.4

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

6.4

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

6.1
Okay
204 reviews
7.5
Good
2,866 reviews

Food

6.4

Overall

7.5

Crew

8.1

Comfort

7.3

Boarding

7.7

Entertainment

6.4

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

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.
  • What are the cheapest airlines to fly from London, Ontario to San Francisco one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $234. However, be on the lookout for offers from Flair Airlines and Air Canada, as they are both options that can get you from London, Ontario to San Francisco for a low price.

  • What does YXU to SFO mean?

    Great question - YXU to SFO just means London Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights!

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

    The amount of baggage you can bring on your London to San Francisco flight 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 London to San Francisco 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 find direct flights from London to San Francisco.

  • 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 flying from London to San Francisco 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.

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

    Currently, September is the cheapest month in which you can book a flight from London, Ontario to San Francisco (average of $268). Flying from London, Ontario to San Francisco in June is currently the most expensive (average of $385). 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
See prices for flight routes from nearby airports that may be better suited for you.

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 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$292Average$494FlexibilityNo 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?

When you search for this flight from London to San Francisco, 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.

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

Cheapflights helps you find that perfect flight to San Francisco from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from London to San Francisco with no change fees.

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

Not ready to book yet? You can track prices for flights from London to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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