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

One-way options have recently been found by users for as low as C$ 229 on United Airlines. Other airlines that offer cheap prices include Delta from C$ 382 and WestJet from C$ 566 one-way.

What are the most popular routes from London, Ontario to San Francisco Bay Area?

The most popular route from London, Ontario to San Francisco Bay Area is London - San Francisco. You may also consider London - San Jose or London - Santa Rosa Sonoma County.

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

June is one of the best times of the year to fly to San Francisco Bay Area from London, Ontario. Prices for June average C$ 603 per person but you can even find prices for as low as C$ 289. The most expensive prices can be found in the month of December. Opting for a June flight can save you 50% on your journey compared to booking in December

What airport do you fly from for flights from London to San Francisco Bay Area?

Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to San Francisco Bay Area from London.

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

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

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

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 Bay Area.

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

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

C$ 229+ Flights from London, ON to San Francisco Bay Area

Cheap flight deals from London to San Francisco Bay Area

Round-trip from	C$ 330
One-way from	C$ 229
Popular in	December
Cheapest in	June
Average price	C$ 638

WestJet
1/7-30/7
3 total stops
19h 38m total
London to San Francisco Bay Area

Search Deals

United Airlines
10/8
2 total stops
19h 13m total
London to San Francisco Bay Area

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (C$ 235 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from London to San Francisco Bay Area

Cheapest flights from London to San Francisco Bay Area
Explore the most affordable flight options available from London to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 avril 2025.

mar. 1/76:00 a.m.YXU - SFO

2 stops10h 59mWestJet

mer. 30/77:30 a.m.SFO - YXU

1 stop8h 39mWestJet

Deal found 15/4C$ 330

sam. 3/56:15 a.m.YXU - SFO

1 stop9h 57mAir Canada

dim. 4/510:52 p.m.SFO - YXU

1 stop7h 27mAir Canada

Deal found 15/4C$ 370

sam. 3/53:45 p.m.YXU - SFO

1 stop9h 04mUnited Airlines

ven. 9/511:20 p.m.SFO - YXU

2 stops12h 44mUnited Airlines

Deal found 15/4C$ 398

lun. 6/103:35 p.m.YXU - SFO

1 stop8h 57mMultiple Airlines

mer. 25/27:00 a.m.SFO - YXU

2 stops11h 45mMultiple Airlines

Deal found 15/4C$ 489

sam. 3/53:45 p.m.YXU - SJC

2 stops21h 17mUnited Airlines

dim. 4/56:45 p.m.SJC - YXU

2 stops23h 44mUnited Airlines

Deal found 15/4C$ 779

Best flights from London to San Francisco Bay Area
Discover carefully curated flight deals from London to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 16 avril 2025.

mar. 1/76:00 a.m.YXU - SFO

2 stops10h 59mWestJet

mer. 30/77:30 a.m.SFO - YXU

1 stop8h 39mWestJet

Deal found 15/4C$ 330

sam. 3/56:15 a.m.YXU - SFO

1 stop9h 57mAir Canada

dim. 4/510:52 p.m.SFO - YXU

1 stop7h 27mAir Canada

Deal found 15/4C$ 370

sam. 3/53:45 p.m.YXU - SFO

1 stop9h 04mUnited Airlines

ven. 9/511:20 p.m.SFO - YXU

2 stops12h 44mUnited Airlines

Deal found 15/4C$ 398

lun. 6/103:35 p.m.YXU - SFO

1 stop8h 57mMultiple Airlines

mer. 25/27:00 a.m.SFO - YXU

2 stops11h 45mMultiple Airlines

Deal found 15/4C$ 489

sam. 3/53:45 p.m.YXU - SJC

2 stops21h 17mUnited Airlines

dim. 4/56:45 p.m.SJC - YXU

2 stops23h 44mUnited Airlines

Deal found 15/4C$ 779

Last-minute flights from London to San Francisco Bay Area
Discover last-minute flight deals from London to San Francisco Bay Area. Data last updated 16 avril 2025 and is based on user searches.

mar. 22/43:25 p.m.YXU - SFO

1 stop9h 24mUnited Airlines

mar. 20/512:10 a.m.SFO - YXU

2 stops11h 53mUnited Airlines

Deal found 15/4C$ 553

mar. 22/43:25 p.m.YXU - SFO

1 stop9h 12mAir Canada

mer. 21/510:52 p.m.SFO - YXU

1 stop7h 26mAir Canada

Deal found 15/4C$ 730

mar. 22/48:00 p.m.YXU - SFO

2 stops23h 17mWestJet

mer. 21/52:45 p.m.SFO - YXU

2 stops11h 29mWestJet

Deal found 16/4C$ 961

mar. 22/48:00 p.m.YXU - SFO

2 stops38h 45mMultiple Airlines

mer. 21/56:05 p.m.SFO - YXU

1 stop8h 09mMultiple Airlines

Deal found 16/4C$ 965

sam. 3/56:15 a.m.YXU - SFO

1 stop9h 57mAir Canada

dim. 4/510:52 p.m.SFO - YXU

1 stop7h 27mAir Canada

Deal found 15/4C$ 370

sam. 3/53:45 p.m.YXU - SFO

1 stop9h 04mUnited Airlines

ven. 9/511:20 p.m.SFO - YXU

2 stops12h 44mUnited Airlines

Deal found 15/4C$ 398

sam. 3/53:45 p.m.YXU - SJC

2 stops21h 17mUnited Airlines

dim. 4/56:45 p.m.SJC - YXU

2 stops23h 44mUnited Airlines

Deal found 15/4C$ 779

ven. 9/56:00 a.m.YXU - SFO

1 stop9h 05mWestJet

ven. 16/56:05 p.m.SFO - YXU

1 stop8h 09mWestJet

Deal found 16/4C$ 352

ven. 9/56:00 a.m.YXU - SFO

2 stops10h 59mMultiple Airlines

ven. 16/510:15 a.m.SFO - YXU

3 stops39h 59mMultiple Airlines

Deal found 16/4C$ 627

One-way flights from London to San Francisco Bay Area
Search for one-way flight options from London to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated 16 avril 2025.

dim. 10/83:35 p.m.YXU - SFO

2 stops19h 13mUnited Airlines

Deal found 15/4C$ 229

lun. 19/56:00 a.m.YXU - SFO

2 stops30h 15mMultiple Airlines

Deal found 16/4C$ 245

dim. 10/86:00 a.m.YXU - SFO

1 stop8h 56mDelta

Deal found 15/4C$ 382

dim. 10/86:00 a.m.YXU - SJC

2 stops13h 52mWestJet

Deal found 15/4C$ 566

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

YXU - SFO

YXUSFO

London

mar. 1/7

6:00 a.m.-1:59 p.m.

2 stops10h 59m

San Francisco

mer. 30/7

7:30 a.m.-7:09 p.m.

1 stop8h 39m

C$ 330

LondonSan Francisco

YXU - SFO

YXUSFO

London

sam. 3/5

6:15 a.m.-1:12 p.m.

1 stop9h 57m

San Francisco

dim. 4/5

10:52 p.m.-9:19 a.m.

1 stop7h 27m

C$ 370

LondonSan Francisco

YXU - SFO

YXUSFO

London

sam. 3/5

3:45 p.m.-9:49 p.m.

1 stop9h 04m

San Francisco

ven. 9/5

11:20 p.m.-3:04 p.m.

2 stops12h 44m

C$ 398

LondonSan Francisco

YXU - SFO

YXUSFO

London

lun. 6/10

3:35 p.m.-9:32 p.m.

1 stop8h 57m

San Francisco

mer. 25/2

7:00 a.m.-9:45 p.m.

2 stops11h 45m

C$ 489

LondonSan Jose

YXU - SJC

YXUSJC

London

sam. 3/5

3:45 p.m.-10:02 a.m.

2 stops21h 17m

San Jose

dim. 4/5

6:45 p.m.-9:29 p.m.

2 stops23h 44m

C$ 779

LondonSan Francisco

YXU - SFO

YXUSFO

London

dim. 10/8

3:35 p.m.-7:48 a.m.

2 stops19h 13m

C$ 229

LondonSan Francisco

YXU - SFO

YXUSFO

London

lun. 19/5

6:00 a.m.-9:15 a.m.

2 stops30h 15m

C$ 245

LondonSan Francisco

YXU - SFO

YXUSFO

London

dim. 10/8

6:00 a.m.-11:56 a.m.

1 stop8h 56m

C$ 382

LondonSan Jose

YXU - SJC

YXUSJC

London

dim. 10/8

6:00 a.m.-4:52 p.m.

2 stops13h 52m

C$ 566

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

Best time to book a flight from London to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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.

Cheapflights Insights

Everything you need to know about your flight from London to San Francisco Bay Area

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

Currently, January is the cheapest month in which you can book a flight from London, Ontario to San Francisco Bay Area (average of C$ 276). Flying from London, Ontario to San Francisco Bay Area in June is currently the most expensive (average of C$ 379). 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.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to San Francisco Bay Area as you normally would.

Rainfall in San Francisco Bay Area by month

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 mm.

Temperature in San Francisco Bay Area by month

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco Bay Area

See what other customers who have flown with Delta, United Airlines and WestJet from London to San Francisco Bay Area have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,916 reviews

Delta

8.0

Very good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,665 reviews

Delta

8.0

Very good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet

7.2

Good

2,806 reviews

Delta

8.0

Very good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada

7.0

Good

9,134 reviews

Delta

8.0

Very good

7,916 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly from for flights from London to San Francisco Bay Area?
Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to San Francisco Bay Area from London.
What are the cheapest airlines to fly from London, Ontario to San Francisco Bay Area one-way?
One-way options have recently been found by users for as low as C$ 229 on United Airlines. Other airlines that offer cheap prices include Delta from C$ 382 and WestJet from C$ 566 one-way.
What are the most popular routes from London, Ontario to San Francisco Bay Area?
The most popular route from London, Ontario to San Francisco Bay Area is London - San Francisco. You may also consider London - San Jose or London - Santa Rosa Sonoma County.
Can I find deals for flights from London to San Francisco Bay Area that include hotel bookings?
Yes. In addition to deals on London to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to San Francisco Bay Area?
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 Bay Area.
Can I find deals for business class flights from London to San Francisco Bay Area?
Yes. Cheapflights offers flight deals from London to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London, Ontario to San Francisco Bay Area?
Currently, January is the cheapest month in which you can book a flight from London, Ontario to San Francisco Bay Area (average of C$ 276). Flying from London, Ontario to San Francisco Bay Area in June is currently the most expensive (average of C$ 379). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to San Francisco Bay Area

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Complete your trip

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Long Beach Municipal Airport car rentals

Direct flights to United States

Top 2 airlines flying from London to San Francisco Bay Area

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 310	AverageC$ 509	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	CheapestC$ 385	AverageC$ 622	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

When you search for this flight from London to San Francisco Bay Area, 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 Bay Area?

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 San Francisco Bay Area from London.

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

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

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

Yes, Cheapflights offers price alerts on London to San Francisco Bay Area flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London, ON to San Francisco Bay Area from C$ 229

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to San Francisco Bay Area

Keep the following information in mind while searching for London to San Francisco Bay Area flight deals. Data was last updated 16 avril 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from London to San Francisco Bay Area

Cheapest flights from London to San Francisco Bay AreaExplore the most affordable flight options available from London to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 avril 2025.

Explore the most affordable flight options available from London to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 avril 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to San Francisco Bay Area that are best for you.

Best time to book a flight from London to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to San Francisco Bay Area

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

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

Find hourly flight availability from London to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 avril 2025.

Rainfall in San Francisco Bay Area by month

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

Temperature in San Francisco Bay Area by month

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

Reviews of airlines servicing San Francisco Bay Area

See what other customers who have flown with Delta, United Airlines and WestJet from London to San Francisco Bay Area have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from London to San Francisco Bay Area?

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

What are the most popular routes from London, Ontario to San Francisco Bay Area?

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

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

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

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

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.

Alternative routes for London to San Francisco Bay Area

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

Top 2 airlines flying from London to San Francisco Bay Area

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 Bay Area?

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

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

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

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Cheapest flights from London to San Francisco Bay Area
Explore the most affordable flight options available from London to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 avril 2025.