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Cheap flights from San Francisco (SFO) to London (YXU) from $561

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 5/6. 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.
SFO — YXU
May 2 — May 91
From?
To?
Thu 5/2
Thu 5/9
1 adult, Economy
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Cheap flight deals from San Francisco to London

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to London (YXU). 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 April 27, 2024.

Popular in

December

Cheapest in

January

Average price

$1,057

Round-trip from

$230
High demand for flights, 35% potential price rise
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Best time to find cheap flights, 37% potential price drop
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Average for round-trip flights in April 2024
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From San Francisco to London
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What is the cheapest day to fly round-trip from San Francisco to London, Ontario?

Travelers have found that booking a Tuesday departure is the best way to save up to 97% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to London, Ontario. Flights to London, Ontario from San Francisco in January are about $721 on average during January, but can be found for as low as $454.

When is the cheapest time to fly from San Francisco to London, Ontario (SFO - YXU)?

One of the essential ways to save on airfare from San Francisco to London, Ontario is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 29% on airfare.

Cheap Air Canada flights from San Francisco to London

Explore cheap flight options specifically provided by Air Canada for the route between San Francisco and London. 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 2,991,349 searches. Data last updated April 27, 2024.
Mon 5/610:47 pmSFO - YXU
1 stop7h 29mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$561
Mon 5/610:30 pmSFO - YXU
2 stops13h 16mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$566
Mon 5/67:40 pmSFO - YXU
2 stops10h 36mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops12h 45mAir Canada
Deal found 4/25$571
Sun 5/512:09 amSFO - YXU
2 stops11h 37mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$593
Sun 5/512:09 amSFO - YXU
2 stops11h 37mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops12h 45mAir Canada
Deal found 4/25$598
Mon 5/610:05 pmSFO - YXU
1 stop8h 11mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/26$619
Mon 5/64:45 pmSFO - YXU
2 stops13h 31mAir Canada
Fri 5/106:00 amYXU - SFO
1 stop7h 47mAir Canada
Deal found 4/26$624
Mon 5/610:30 pmSFO - YXU
2 stops13h 16mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops11h 49mAir Canada
Deal found 4/26$629

Cheap San Francisco to London flights in April & May 2024

Find cheap flight options from San Francisco to London specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 27, 2024.
Mon 5/610:47 pmSFO - YXU
1 stop7h 29mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$561
Mon 5/610:30 pmSFO - YXU
2 stops13h 16mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$566
Mon 5/67:40 pmSFO - YXU
2 stops10h 36mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops12h 45mAir Canada
Deal found 4/25$571
Sun 5/512:09 amSFO - YXU
2 stops11h 37mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$593
Sun 5/512:09 amSFO - YXU
2 stops11h 37mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops12h 45mAir Canada
Deal found 4/25$598
Mon 5/610:05 pmSFO - YXU
1 stop8h 11mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/26$619
Mon 5/64:45 pmSFO - YXU
2 stops13h 31mAir Canada
Fri 5/106:00 amYXU - SFO
1 stop7h 47mAir Canada
Deal found 4/26$624
Mon 5/610:30 pmSFO - YXU
2 stops13h 16mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops11h 49mAir Canada
Deal found 4/26$629

San Francisco to London 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Mon 5/610:47 pmSFO - YXU
1 stop7h 29mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$561
Mon 5/610:30 pmSFO - YXU
2 stops13h 16mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$566
Mon 5/67:40 pmSFO - YXU
2 stops10h 36mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops12h 45mAir Canada
Deal found 4/25$571
Sun 5/512:09 amSFO - YXU
2 stops11h 37mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$593
Sun 5/512:09 amSFO - YXU
2 stops11h 37mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops12h 45mAir Canada
Deal found 4/25$598
Mon 5/610:05 pmSFO - YXU
1 stop8h 11mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/26$619
Mon 5/64:45 pmSFO - YXU
2 stops13h 31mAir Canada
Fri 5/106:00 amYXU - SFO
1 stop7h 47mAir Canada
Deal found 4/26$624
Mon 5/610:30 pmSFO - YXU
2 stops13h 16mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops11h 49mAir Canada
Deal found 4/26$629

San Francisco to London flights leaving soon

Find last-minute flight options from San Francisco to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 27, 2024.
Mon 5/610:47 pmSFO - YXU
1 stop7h 29mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$561
Mon 5/610:30 pmSFO - YXU
2 stops13h 16mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$566
Mon 5/67:40 pmSFO - YXU
2 stops10h 36mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops12h 45mAir Canada
Deal found 4/25$571
Sun 5/512:09 amSFO - YXU
2 stops11h 37mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/25$593
Sun 5/512:09 amSFO - YXU
2 stops11h 37mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops12h 45mAir Canada
Deal found 4/25$598
Mon 5/610:05 pmSFO - YXU
1 stop8h 11mAir Canada
Fri 5/103:25 pmYXU - SFO
1 stop8h 37mAir Canada
Deal found 4/26$619
Mon 5/64:45 pmSFO - YXU
2 stops13h 31mAir Canada
Fri 5/106:00 amYXU - SFO
1 stop7h 47mAir Canada
Deal found 4/26$624
Mon 5/610:30 pmSFO - YXU
2 stops13h 16mAir Canada
Fri 5/106:00 amYXU - SFO
2 stops11h 49mAir Canada
Deal found 4/26$629

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to London. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to London, Ontario flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to London by month

Plan your trip from San Francisco to London by taking into account the cheapest months to travel. The average price of a one-way flight from San Francisco to London is currently $0 while a round-trip flight costs $0. Price data was last updated on April 21, 2024.

Temperature and rainfall in London by month

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

YXU

Temperature

21.2 - 68 °F

Related info for your journey

Find useful and relevant information for your journey from San Francisco to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Are there last-minute flights available from San Francisco to London, Ontario for under $600?

    There are currently 8+ open flights from San Francisco to London, Ontario within the next 7 days for less than $600.

  • What does SFO to YXU mean?

    SFO stands for San Francisco Airport, while YXU stands for London 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 San Francisco to London that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to London 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 San Francisco to London with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to London 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 San Francisco to London that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to London 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 San Francisco to London that allow pets onboard?

    Many airlines flying from San Francisco to London 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 San Francisco to London?

    Yes, you can often find last-minute deals on San Francisco to London 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 San Francisco to London, Ontario flight deals updated?

    The San Francisco to London, Ontario flight deals you see on this page were last updated on 4/26.

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Alternative routes for San Francisco to London
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from San Francisco to London

Discover the top airline that operate flights from San Francisco to London. 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 2,991,349 searches. Data last updated April 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$202Average$670FlexibilityNo cancel feeOn-time67%
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Search flights from San Francisco to London by cabin class

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

Deals for San Francisco to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

Need flexible booking options for your flight to London from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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