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Cheap flights from London Heathrow Airport to San Francisco Bay Area from £291

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
10 Apr — 17 Apr1
1 adult

Cheap flight deals from Heathrow to San Francisco Bay Area

Keep the following information in mind while searching for Heathrow to San Francisco Bay Area flight deals. Data was last updated 5 April 2025.

Round-trip from

£401

One-way from

£291

Popular in

July

Cheapest in

February

Average price

£487
United Airlines
  • United Airlines
  • 17/5-4/6
  • 2 total stops
  • 31h 07m total
  • London to San Francisco Bay Area
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 39h 53m total
  • London to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£91 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Heathrow to San Francisco Bay Area

Cheapest flights from Heathrow to San Francisco Bay Area
Explore the most affordable flight options available from Heathrow to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 April 2025.

Sat 17/511:25LHR - SFO
2 stops20h 42mUnited Airlines
Wed 4/613:00SFO - LHR
Nonstop10h 25mUnited Airlines
Deal found 4/4£401
Tue 22/420:05LHR - SFO
1 stop28h 05mSWISS
Sun 4/519:40SFO - LHR
Nonstop10h 30mSWISS
Deal found 3/4£403
Tue 2/919:50LHR - SFO
1 stop26h 45mTAP AIR PORTUGAL
Tue 9/918:45SFO - LHR
2 stops19h 15mTAP AIR PORTUGAL
Deal found 4/4£403
Thu 8/506:30LHR - SFO
1 stop14h 10mMultiple Airlines
Sat 17/508:15SFO - LHR
1 stop14h 15mMultiple Airlines
Deal found 5/4£405
Thu 24/407:40LHR - SFO
1 stop16h 15mBritish Airways
Sat 3/516:20SFO - LHR
Nonstop10h 35mBritish Airways
Deal found 4/4£408
Thu 1/508:40LHR - SFO
2 stops19h 15mAir Canada
Thu 8/508:15SFO - LHR
1 stop17h 45mAir Canada
Deal found 3/4£410
Wed 23/407:25LHR - SFO
1 stop15h 10mLufthansa
Sun 4/515:55SFO - LHR
Nonstop10h 30mLufthansa
Deal found 4/4£413
Sat 19/406:30LHR - SFO
1 stop13h 15mVirgin Atlantic
Fri 2/516:05SFO - LHR
Nonstop10h 20mVirgin Atlantic
Deal found 5/4£418
Fri 2/516:25LHR - SFO
Nonstop11h 05mKLM
Fri 9/521:20SFO - LHR
Nonstop10h 20mKLM
Deal found 4/4£427
Sat 3/510:20LHR - SFO
2 stops20h 49mFinnair
Sun 11/508:58SFO - LHR
2 stops16h 37mFinnair
Deal found 5/4£431
Mon 21/412:00LHR - SJC
1 stop17h 28mFinnair
Tue 29/406:10SJC - LHR
1 stop16h 15mFinnair
Deal found 5/4£435
Sat 19/410:35LHR - SFO
Nonstop11h 05mAustrian Airlines
Fri 2/519:40SFO - LHR
Nonstop10h 30mAustrian Airlines
Deal found 4/4£438

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to San Francisco Bay Area 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 5 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to San Francisco Bay Area that are best for you.

Fly from

Heathrow

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 17/5

11:25-00:07

2 stops20h 42m

San Francisco

Wed 4/6

13:00-07:25

Nonstop10h 25m

£401

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 22/4

20:05-16:10

1 stop28h 05m

San Francisco

Sun 4/5

19:40-14:10

Nonstop10h 30m

£403

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 2/9

19:50-14:35

1 stop26h 45m

San Francisco

Tue 9/9

18:45-22:00

2 stops19h 15m

£403

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 8/5

06:30-12:40

1 stop14h 10m

San Francisco

Sat 17/5

08:15-06:30

1 stop14h 15m

£405

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 24/4

07:40-15:55

1 stop16h 15m

San Francisco

Sat 3/5

16:20-10:55

Nonstop10h 35m

£408

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 1/5

08:40-19:55

2 stops19h 15m

San Francisco

Thu 8/5

08:15-10:00

1 stop17h 45m

£410

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 19/4

07:25-19:00

1 stop19h 35m

San Francisco

Fri 2/5

12:55-07:25

Nonstop10h 30m

£413

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 19/4

06:30-11:45

1 stop13h 15m

San Francisco

Fri 2/5

16:05-10:25

Nonstop10h 20m

£418

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 2/5

16:25-19:30

Nonstop11h 05m

San Francisco

Fri 9/5

21:20-15:40

Nonstop10h 20m

£427

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 3/5

10:20-23:09

2 stops20h 49m

San Francisco

Sun 11/5

08:58-09:35

2 stops16h 37m

£431

Flights are sorted by cheapest return flights first.

Deals found on 5/4

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

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

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

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco Bay Area (average of £538). Flying from London Heathrow Airport to San Francisco Bay Area in July is currently the most expensive (average of £803). 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 LHR to XIH?

Find hourly flight availability from Heathrow 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 5 April 2025.

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

Weekly flight availability from London Heathrow Airport to San Francisco Bay Area

Explore weekly flight availability from Heathrow to San Francisco Bay Area. 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 5 April 2025.

The most flights from LHR to zzXIH are scheduled on a Monday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (31 on average).

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.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 112.0 inches 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

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

Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated 5 April 2025.
Read reviews from past customers who have flown Delta, Air New Zealand and KLM from London to San Francisco Bay Area. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
7,899 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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 New Zealand
8.0
Very Good
461 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
KLM
7.8
Good
1,322 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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
Austrian Airlines
7.6
Good
772 reviews
Delta
8.0
Very Good
7,899 reviews
Check prices

Entertainment

7.9

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

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

Find useful and relevant information for your journey from Heathrow 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 are the cheapest airlines to fly from London Heathrow Airport to San Francisco Bay Area one-way?

    One-way options have recently been found by users for as low as £394 on Aer Lingus. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £401 and WestJet from £422 one-way.

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

    When deciding which route to take from London Heathrow Airport to San Francisco Bay Area consider London Heathrow - San Francisco, London Heathrow - San Jose or London Heathrow - Oakland as they are the most popular.

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

    Consider Air Canada (93%), Austrian Airlines (93%) or United Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to San Francisco Bay Area.

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

    While on average a flight from London Heathrow Airport to San Francisco Bay Area is generally £1,796, our data shows the cheapest flight currently is £404. When looking at the most popular route, (London Heathrow - San Francisco), you can expect to pay £319 for that flight.

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to San Francisco Bay Area?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco Bay Area (average of £538). Flying from London Heathrow Airport to San Francisco Bay Area in July is currently the most expensive (average of £803). 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

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Alternative routes for Heathrow to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Stansted to San Jose flights
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Heathrow to Tijuana flights
London City to Santa Barbara flights
Heathrow to Santa Barbara flights

Top 10 airlines flying from Heathrow to San Francisco Bay Area

Discover the top 10 airlines that operate flights from Heathrow to San Francisco Bay Area. 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 5 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£245Average£478FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£288Average£481FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£326Average£427FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£359Average£479FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£359Average£409FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£365Average£563FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£373Average£544FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£379Average£626FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£383Average£506FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£386Average£488FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Heathrow 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 Heathrow 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 Heathrow.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to San Francisco Bay Area, users can toggle the no change fees filter when performing a flight search.

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

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

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