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Cheap flights from London Heathrow Airport to San Francisco Bay Area from £360

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to San Francisco Bay Area

Enter your travel dates to find the best prices.

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 25 March 2026.

Thu 23/413:25
LHR
-
SFO
1 stop17h 24m
Delta
Wed 27/517:37
SFO
-
LHR
1 stop13h 58m
Delta
Deal found 24/3£386
Thu 23/410:45
LHR
-
SFO
Nonstop11h 05m
British Airways
Thu 28/516:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 24/3£391
Sat 25/409:20
LHR
-
SFO
1 stop17h 49m
Delta
Wed 27/513:35
SFO
-
LHR
1 stop18h 00m
Delta
Deal found 24/3£393
Wed 8/414:20
LHR
-
SFO
Nonstop11h 10m
British Airways
Fri 24/416:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 24/3£395
Wed 26/806:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Thu 3/916:45
SFO
-
LHR
1 stop16h 55m
Scandinavian Airlines
Deal found 20/3£398
Thu 25/610:00
LHR
-
SFO
1 stop19h 44m
United Airlines
Wed 22/706:10
SFO
-
LHR
1 stop15h 45m
United Airlines
Deal found 24/3£399
Wed 26/814:20
LHR
-
SFO
Nonstop11h 10m
British Airways
Thu 3/916:35
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 20/3£402
Fri 26/608:30
LHR
-
SFO
1 stop14h 57m
Air Canada
Tue 21/711:40
SFO
-
LHR
1 stop13h 55m
Air Canada
Deal found 24/3£405
Tue 21/406:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Sat 25/416:45
SFO
-
LHR
1 stop17h 45m
Scandinavian Airlines
Deal found 23/3£413
Thu 23/414:30
LHR
-
SFO
Nonstop11h 10m
British Airways
Tue 26/519:30
SFO
-
LHR
Nonstop10h 25m
British Airways
Deal found 24/3£418
Mon 22/608:30
LHR
-
SFO
1 stop14h 57m
Air Canada
Mon 20/711:40
SFO
-
LHR
1 stop13h 55m
Air Canada
Deal found 24/3£428
Mon 1/614:25
LHR
-
SJC
1 stop16h 48m
Iberia
Wed 10/606:00
SJC
-
LHR
1 stop20h 55m
Iberia
Deal found 24/3£469

Find 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 25 March 2026.

Round-trip from

£386

One-way from

£360

Popular in

December

Cheapest in

February

Average price

£484
Delta
  • Delta
  • 23/4-27/5
  • 2 total stops
  • 31h 22m total
  • London to San Francisco Bay Area
Search Deals
15/5
  • 15/5
  • 3 total stops
  • 42h 10m total
  • London to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 25 March 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/4

08:40-16:15

1 stop15h 35m

San Francisco

Fri 24/4

05:00-12:25

1 stop23h 25m

£462

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/4

08:45-16:15

1 stop15h 30m

San Francisco

Sat 25/4

08:20-09:40

1 stop17h 20m

£462

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 30/8

08:45-16:15

1 stop15h 30m

San Francisco

Sat 12/9

12:50-09:40

1 stop12h 50m

£462

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 6/4

06:55-14:30

1 stop15h 35m

San Francisco

Fri 24/4

16:35-11:10

Nonstop10h 35m

£466

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 19/9

09:50-15:55

1 stop14h 05m

San Francisco

Sat 26/9

10:25-08:30

1 stop14h 05m

£472

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 26/5

16:15-19:15

Nonstop11h 00m

San Francisco

Mon 8/6

22:35-20:40

1 stop14h 05m

£497

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 26/6

11:25-17:30

1 stop14h 05m

San Francisco

Fri 3/7

16:45-11:10

Nonstop10h 25m

£503

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 21/7

11:45-22:56

2 stops19h 11m

San Jose

Tue 28/7

06:35-13:15

1 stop22h 40m

£507

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 2/6

11:45-00:03

2 stops20h 18m

San Francisco

Mon 15/6

23:40-07:15

1 stop23h 35m

£513

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 29/5

07:30-22:06

2 stops22h 36m

San Francisco

Wed 3/6

10:20-10:15

2 stops39h 55m

£528

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 £355). Flying from London Heathrow Airport to San Francisco Bay Area in July is currently the most expensive (average of £437). 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 25 March 2026.

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.

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 25 March 2026.
Read reviews from past customers who have flown with Austrian Airlines,Virgin Atlantic, andUnited Airlines from London Heathrow Airport to San Francisco Bay Area. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
902 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Austrian Airlines
7.6
Good
902 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Virgin Atlantic
7.5
Good
685 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
United Airlines
7.4
Good
9,476 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
Lufthansa
6.8
Okay
7,867 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful
British Airways
6.7
Okay
7,818 reviews
Austrian Airlines
7.6
Good
902 reviews
Check prices

Boarding

7.6

Crew

8.1

Food

6.8

Overall

7.6

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

VIE - DXB

Awful . Flight was overbooked. The boarding cards could not be printed, you had to wait more than one hour in a line that only two kiosks were working, staff was leaving and inside the plane they had the same seats in 3 cases at least winter twice!! I’ve never experienced such a disorganization! Awful

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.

  • How long is the flight from London Heathrow Airport to San Francisco Bay Area?

    There are many flights that can get you from London Heathrow Airport to San Francisco Bay Area in 14h 05m. Fly via United Airlines, British Airways, or Delta to get the fastest option. The distance between London Heathrow Airport and San Francisco Bay Area is about 5350 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £271 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include WestJet from £301 and Scandinavian Airlines from £304 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 KLM (93%), Air France (93%) or Delta (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 £2,055, our data shows the cheapest flight currently is £376. When looking at the most popular route, (London Heathrow - San Francisco), you can expect to pay £366 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 £355). Flying from London Heathrow Airport to San Francisco Bay Area in July is currently the most expensive (average of £437). 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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Southend to San Francisco flights
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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 25 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£321Average£586FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£336Average£466FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£339Average£548FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£351Average£504FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
SWISSCheapest£352Average£429FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£359Average£550FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£361Average£454FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£368Average£532FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£373Average£488FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Virgin AtlanticCheapest£377Average£512FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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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