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Cheap flights from San Francisco (SFO) to London (YXU) from $235

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.
SFO — YXU
Jun 8 — Jun 151
From?
To?
Sat 6/8
Sat 6/15
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 June 3, 2024.

Popular in

July

Cheapest in

February

Average price

$811

Round-trip from

$230
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 66% potential price drop
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Average for round-trip flights in June 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 70% 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 July. For low rates, February can be a great choice for travel to London, Ontario. Flights to London, Ontario from San Francisco in February are about $565 on average during February, but can be found for as low as $195.

What is the cheapest time of day to fly from SFO to 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 39% on airfare.

Cheap WestJet flights from San Francisco to London

Explore cheap flight options specifically provided by WestJet 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 2,824,458 searches. Data last updated June 3, 2024.
Find some of the cheapest WestJet flights traveling from San Francisco to London. Come back soon if you're not finding the exact deal you're looking for.
Mon 7/82:25 pmSFO - YXU
2 stops11h 53mWestJet
Fri 7/128:00 pmYXU - SFO
2 stops21h 33mWestJet
Deal found 6/2$556
Tue 6/253:20 pmSFO - YXU
2 stops24h 39mWestJet
Sun 6/308:00 pmYXU - SFO
2 stops20h 32mWestJet
Deal found 6/3$651
Tue 6/253:20 pmSFO - YXU
2 stops24h 39mWestJet
Sun 6/306:15 amYXU - SFO
1 stop18h 05mWestJet
Deal found 6/3$671
Tue 6/257:30 amSFO - YXU
1 stop8h 29mWestJet
Sun 6/308:00 pmYXU - SFO
1 stop19h 00mWestJet
Deal found 6/3$712

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 2,824,458 searches. Data last updated June 3, 2024.
To aid your search, here are some of the cheapest Air Canada flights we've found from San Francisco to London. Deals frequently update to provide users with more options.
Mon 7/810:05 pmSFO - YXU
1 stop8h 10mAir Canada
Fri 7/126:20 pmYXU - SFO
1 stop8h 01mAir Canada
Deal found 6/2$558
Mon 6/241:10 amSFO - YXU
2 stops10h 35mAir Canada
Sun 6/306:00 amYXU - SFO
1 stop7h 35mAir Canada
Deal found 6/3$1,027
Mon 6/241:10 amSFO - YXU
2 stops10h 35mAir Canada
Sun 6/303:20 pmYXU - SFO
2 stops10h 52mAir Canada
Deal found 6/3$1,357

Cheap San Francisco to London flights in June & July 2024

Find cheap flight options from San Francisco to London specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,824,458 searches. Prices were last updated on June 3, 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. For more flight deals, be sure to check back very soon.
Mon 7/82:25 pmSFO - YXU
2 stops11h 53mWestJet
Fri 7/128:00 pmYXU - SFO
2 stops21h 33mWestJet
Deal found 6/2$556
Mon 7/810:05 pmSFO - YXU
1 stop8h 10mAir Canada
Fri 7/126:20 pmYXU - SFO
1 stop8h 01mAir Canada
Deal found 6/2$558
Tue 6/253:20 pmSFO - YXU
2 stops24h 39mWestJet
Sun 6/308:00 pmYXU - SFO
2 stops20h 32mWestJet
Deal found 6/3$651
Tue 6/253:20 pmSFO - YXU
2 stops24h 39mWestJet
Sun 6/306:15 amYXU - SFO
1 stop18h 05mWestJet
Deal found 6/3$671
Tue 6/257:30 amSFO - YXU
1 stop8h 29mWestJet
Sun 6/308:00 pmYXU - SFO
1 stop19h 00mWestJet
Deal found 6/3$712
Mon 6/241:10 amSFO - YXU
2 stops10h 35mAir Canada
Sun 6/306:00 amYXU - SFO
1 stop7h 35mAir Canada
Deal found 6/3$1,027
Mon 6/2412:30 amSFO - YXU
2 stops11h 15mUnited Airlines
Sun 6/303:20 pmYXU - SFO
2 stops11h 46mUnited Airlines
Deal found 6/3$1,105
Mon 6/241:10 amSFO - YXU
2 stops10h 35mAir Canada
Sun 6/303:20 pmYXU - SFO
2 stops10h 52mAir Canada
Deal found 6/3$1,357

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 2,824,458 searches. Data last updated June 3, 2024.
These are some of the best deals we've found on flights to London in 2024 at this time. For more flight deals, be sure to check back very soon.
Mon 7/82:25 pmSFO - YXU
2 stops11h 53mWestJet
Fri 7/128:00 pmYXU - SFO
2 stops21h 33mWestJet
Deal found 6/2$556
Mon 7/810:05 pmSFO - YXU
1 stop8h 10mAir Canada
Fri 7/126:20 pmYXU - SFO
1 stop8h 01mAir Canada
Deal found 6/2$558
Tue 6/253:20 pmSFO - YXU
2 stops24h 39mWestJet
Sun 6/308:00 pmYXU - SFO
2 stops20h 32mWestJet
Deal found 6/3$651
Tue 6/253:20 pmSFO - YXU
2 stops24h 39mWestJet
Sun 6/306:15 amYXU - SFO
1 stop18h 05mWestJet
Deal found 6/3$671
Tue 6/257:30 amSFO - YXU
1 stop8h 29mWestJet
Sun 6/308:00 pmYXU - SFO
1 stop19h 00mWestJet
Deal found 6/3$712
Mon 6/241:10 amSFO - YXU
2 stops10h 35mAir Canada
Sun 6/306:00 amYXU - SFO
1 stop7h 35mAir Canada
Deal found 6/3$1,027
Mon 6/2412:30 amSFO - YXU
2 stops11h 15mUnited Airlines
Sun 6/303:20 pmYXU - SFO
2 stops11h 46mUnited Airlines
Deal found 6/3$1,105
Mon 6/241:10 amSFO - YXU
2 stops10h 35mAir Canada
Sun 6/303:20 pmYXU - SFO
2 stops10h 52mAir Canada
Deal found 6/3$1,357

One-way flights to London from San Francisco

Search for one-way flight options from San Francisco to London. 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 2,824,458 searches. Data last updated June 3, 2024.
Some of the best available deals we've found on one-way flights from San Francisco to London. Those seeking round-trip flights from San Francisco to London should utilize the search form at the the top of the page.
Wed 7/173:20 pmSFO - YXU
2 stops10h 58mWestJet
Deal found 6/2$235
Wed 7/1710:39 pmSFO - YXU
1 stop7h 36mAir Canada
Deal found 6/2$263
Mon 7/810:05 pmSFO - YXU
1 stop16h 40mAir Canada
Deal found 6/3$286
Mon 7/83:20 pmSFO - YXU
2 stops34h 58mWestJet
Deal found 6/3$306
Mon 7/82:25 pmSFO - YXU
3 stops35h 53mWestJet
Deal found 6/3$346
Tue 7/1612:12 amSFO - YXU
2 stops11h 33mUnited Airlines
Deal found 6/2$502
Sun 7/712:12 amSFO - YXU
2 stops11h 33mMultiple Airlines
Deal found 6/3$783

Find flights from San Francisco to London within your budget

Customize your flight search to find flights from San Francisco 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 2,824,458 searches. Data last updated June 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$556 - $1,357

Route

Depart

Return

Price

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 7/8

2 stops11h 53m

London

Fri 7/12

2 stops21h 33m

$556

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 7/8

1 stop8h 10m

London

Fri 7/12

1 stop8h 01m

$558

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 6/25

2 stops24h 39m

London

Sun 6/30

2 stops20h 32m

$651

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 6/25

2 stops24h 39m

London

Sun 6/30

1 stop18h 05m

$671

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 6/25

1 stop8h 29m

London

Sun 6/30

1 stop19h 00m

$712

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 6/24

2 stops10h 35m

London

Sun 6/30

1 stop7h 35m

$1,027

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 6/24

2 stops11h 15m

London

Sun 6/30

2 stops11h 46m

$1,105

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 6/24

2 stops10h 35m

London

Sun 6/30

2 stops10h 52m

$1,357

Flights are sorted by cheapest first

Deals found on 6/2

What is the cheapest day 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 May 26, 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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Best time to book a flight from San Francisco to London

Have a flexible travel schedule? Discover the best time to fly to London from San Francisco 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 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

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 June 3, 2024.
Read through reviews of airlines operating flights from San Francisco to London, such as WestJet and Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.5
Good
2,861 reviews
Check prices

Crew

8.1

Overall

7.5

Boarding

7.7

Comfort

7.3

Entertainment

6.4

Food

6.4

Reviews

1 / 10

System was down and the line on the check in counter was very slow.

WestJet
7.5
Good
2,861 reviews
WestJet
7.5
Good
2,861 reviews
Check prices

Crew

8.1

Overall

7.5

Boarding

7.7

Comfort

7.3

Entertainment

6.4

Food

6.4

Reviews

1 / 10

System was down and the line on the check in counter was very slow.

United Airlines
7.4
Good
10,740 reviews
WestJet
7.5
Good
2,861 reviews
Check prices

Crew

8.1

Overall

7.5

Boarding

7.7

Comfort

7.3

Entertainment

6.4

Food

6.4

Reviews

1 / 10

System was down and the line on the check in counter was very slow.

Air Canada
7.0
Good
7,025 reviews
WestJet
7.5
Good
2,861 reviews
Check prices

Crew

8.1

Overall

7.5

Boarding

7.7

Comfort

7.3

Entertainment

6.4

Food

6.4

Reviews

1 / 10

System was down and the line on the check in counter was very slow.

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.

  • Can I find flights from San Francisco to London, Ontario for under $600 on Cheapflights?

    Yes, there are multiple flights from San Francisco to London, Ontario for under $600. The cheapest flight booked recently is on WestJet for just $556, but on average you can expect to pay $829.

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

    WestJet, at $556, was found to be the cheapest airline from San Francisco to London, Ontario.Alternate airlines to your destination round-trip include Air Canada and United Airlines. These flights start at 1% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $235 on WestJet. Other airlines that offer cheap prices include Air Canada from $263 and United Airlines from $502 one-way.

  • 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 6/3.

See more FAQs

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Alternative routes for San Francisco to London
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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 2,824,458 searches. Data last updated June 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$205Average$735FlexibilityNo 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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Business 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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