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Cheap flights from San Francisco Bay Area to London from £227

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LON
5 May — 12 May1
1 adult

Cheap flight deals from San Francisco Bay Area to London

Keep the following information in mind while searching for San Francisco Bay Area to London flight deals. Data was last updated 30 April 2025.

Round-trip from

£447

One-way from

£227

Popular in

June

Cheapest in

October

Average price

£504
Delta
  • Delta
  • 1/9-9/9
  • 3 total stops
  • 33h 24m total
  • San Francisco Bay Area to London
24/9
  • 24/9
  • 2 total stops
  • 20h 55m total
  • San Francisco Bay Area to London
Highest demand for flights based on searches. 18% potential increase in price (£99 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from San Francisco Bay Area to London

Cheapest flights from San Francisco Bay Area to London
Explore the most affordable flight options available from San Francisco Bay Area to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Mon 1/915:27SJC - LHR
1 stop15h 08mDelta
Tue 9/911:30LHR - SJC
2 stops18h 16mDelta
Deal found 29/4£447
Sun 31/817:15OAK - LHR
1 stop32h 35mDelta
Tue 9/906:15LHR - OAK
2 stops25h 38mDelta
Deal found 29/4£447
Mon 5/506:00OAK - LHR
1 stop19h 50mVirgin Atlantic
Tue 20/510:55LHR - OAK
1 stop13h 20mVirgin Atlantic
Deal found 30/4£462
Tue 21/1018:20SJC - LHR
2 stops31h 15mAir Canada
Thu 30/1014:30LHR - SJC
2 stops39h 11mAir Canada
Deal found 30/4£467
Thu 21/808:13SFO - LHR
1 stop14h 12mIberia
Sat 20/914:45LHR - SFO
1 stop15h 12mIberia
Deal found 30/4£479
Sun 4/507:10SFO - LHR
2 stops20h 40mAir Canada
Tue 20/508:30LHR - SFO
2 stops18h 10mAir Canada
Deal found 30/4£480
Wed 14/516:05SFO - LHR
Nonstop10h 20mDelta
Wed 28/516:25LHR - SFO
Nonstop11h 05mDelta
Deal found 29/4£480
Thu 8/516:30SFO - STN
2 stops22h 20mMultiple Airlines
Mon 12/518:25STN - SFO
2 stops28h 05mMultiple Airlines
Deal found 30/4£481
Thu 25/916:20SFO - LGW
1 stop33h 25mTAP AIR PORTUGAL
Sat 11/1021:15LGW - SFO
2 stops49h 15mTAP AIR PORTUGAL
Deal found 30/4£482
Sat 3/516:05SFO - LHR
Nonstop10h 20mVirgin Atlantic
Sat 10/506:15LHR - SFO
1 stop14h 35mVirgin Atlantic
Deal found 30/4£482
Tue 2/916:35SFO - LHR
Nonstop10h 25mBritish Airways
Wed 10/914:15LHR - SFO
Nonstop11h 10mBritish Airways
Deal found 28/4£482
Mon 6/1008:30SFO - LHR
1 stop17h 05mMultiple Airlines
Fri 24/1006:30LHR - SFO
2 stops19h 09mMultiple Airlines
Deal found 30/4£483

Cheapflights Fare Finder

Customise your flight search to find flights from San Francisco Bay Area 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 858,174 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to London that are best for you.

Fly from

San Francisco Bay Area

Fly to

London

Route

Depart

Return

Price

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Mon 1/9

15:27-14:35

1 stop15h 08m

London Heathrow

Tue 9/9

11:30-21:46

2 stops18h 16m

£447

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Sun 31/8

17:15-09:50

1 stop32h 35m

London Heathrow

Tue 9/9

06:15-23:53

2 stops25h 38m

£447

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 21/10

18:20-09:35

2 stops31h 15m

London Heathrow

Thu 30/10

14:30-22:41

2 stops39h 11m

£467

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 21/8

08:13-06:25

1 stop14h 12m

London Heathrow

Sat 20/9

14:45-21:57

1 stop15h 12m

£479

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 21/8

19:40-09:35

2 stops29h 55m

London Heathrow

Tue 26/8

10:20-16:30

1 stop14h 10m

£480

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Thu 25/9

16:20-09:45

1 stop33h 25m

London Gatwick

Sat 11/10

21:15-14:30

2 stops49h 15m

£482

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 2/9

16:35-11:00

Nonstop10h 25m

London Heathrow

Wed 10/9

07:40-15:55

1 stop16h 15m

£482

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 6/10

08:30-09:35

1 stop17h 05m

London Heathrow

Fri 24/10

06:30-17:39

2 stops19h 09m

£483

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 21/10

06:30-06:20

1 stop15h 50m

London Heathrow

Tue 28/10

11:35-21:11

1 stop16h 36m

£484

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Sun 3/8

11:38-12:30

1 stop16h 52m

London Heathrow

Sat 16/8

10:30-20:33

1 stop18h 03m

£485

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco Bay Area to London

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

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to London (average of £112). Flying from San Francisco Bay Area to London in August is currently the most expensive (average of £164). 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 XIH to LON?

Find hourly flight availability from San Francisco Bay Area to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

When flying from San Francisco Bay Area to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Francisco Bay Area to London

Explore weekly flight availability from San Francisco Bay Area to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 April 2025.

The most flights from zzXIH to LON are scheduled on a Monday (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 on average).

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July 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 4.0 C).

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 30 April 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and KLM from San Francisco Bay Area to London by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very Good

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to London. 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 San Francisco Bay Area to London one-way?

    For one-way options, check prices for Virgin Atlantic. According to our data, you can fly for as low as £272. Users have also found prices from £275 and £290 on Delta and Iberia, respectively.

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

  • What are the most reliable airlines from San Francisco Bay Area to London?

    No one likes to see their flight delayed. When booking a flight from San Francisco Bay Area to London consider choosing Air Canada (84%), Austrian Airlines (84%) or SWISS (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Francisco Bay Area to London?

    On average you can expect to pay £1,981 for a flight from San Francisco Bay Area to London. The cheapest flight overall is £284 while the most popular route, (San Francisco - London Heathrow) is currently priced at £406.

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco Bay Area 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.

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to London (average of £112). Flying from San Francisco Bay Area to London in August is currently the most expensive (average of £164). 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

Travelling to a place near San Francisco Bay Area?

Book flights to San Francisco Bay Area if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Southend-on-Sea
Ilford
Crawley
Hayes
Ipswich
Watford
Wembley
Folkestone
Maidstone
Winchester
Dartford
Guildford

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 8 airlines flying from San Francisco Bay Area to London

Discover the top 8 airlines that operate flights from San Francisco Bay Area 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 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£391Average£407FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£423Average£531FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£428Average£532FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£431Average£532FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£435Average£612FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£443Average£507FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£458Average£678FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£482Average£693FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from San Francisco Bay Area today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from San Francisco Bay Area to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to London from San Francisco Bay Area? 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 Bay Area to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from San Francisco Bay Area today and book when prices fit your budget.

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