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Cheap flights from London Heathrow Airport to San Francisco Bay Area from £402

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
16 Jun — 23 Jun1
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 17 May 2026.

Fri 25/909:20
LHR
-
SJC
1 stop17h 17m
Delta
Sat 3/1014:35
SJC
-
LHR
1 stop17h 00m
Delta
Deal found 12/5£402
Fri 25/912:25
LHR
-
SJC
1 stop16h 28m
Delta
Sun 4/1012:45
SJC
-
LHR
1 stop16h 30m
Delta
Deal found 12/5£406
Thu 24/1211:05
LHR
-
SJC
1 stop17h 53m
Virgin Atlantic
Sat 9/107:15
SJC
-
LHR
1 stop19h 15m
Virgin Atlantic
Deal found 14/5£482
Sat 19/1210:45
LHR
-
SJC
1 stop21h 09m
Virgin Atlantic
Sat 2/106:30
SJC
-
LHR
1 stop16h 35m
Virgin Atlantic
Deal found 17/5£483
Thu 18/610:55
LHR
-
OAK
1 stop20h 59m
Virgin Atlantic
Sat 4/712:33
OAK
-
LHR
1 stop13h 27m
Virgin Atlantic
Deal found 17/5£485
Fri 17/717:45
LHR
-
SJC
1 stop34h 29m
Multiple Airlines
Fri 24/714:55
SJC
-
LHR
1 stop16h 40m
Multiple Airlines
Deal found 14/5£492
Tue 11/808:55
LHR
-
SJC
1 stop21h 37m
Finnair
Wed 26/806:00
SJC
-
LHR
1 stop22h 10m
Finnair
Deal found 16/5£494
Sat 26/911:25
LHR
-
SJC
1 stop14h 06m
United Airlines
Sat 3/1008:45
SJC
-
LHR
1 stop16h 55m
United Airlines
Deal found 12/5£495
Sat 19/1206:30
LHR
-
SJC
2 stops24h 28m
Virgin Atlantic
Fri 1/107:15
SJC
-
LHR
1 stop19h 15m
Virgin Atlantic
Deal found 15/5£498
Fri 25/909:20
LHR
-
SJC
1 stop17h 17m
Virgin Atlantic
Sat 3/1017:45
SJC
-
LHR
1 stop13h 50m
Virgin Atlantic
Deal found 15/5£498
Fri 18/918:15
LHR
-
SJC
1 stop22h 00m
Virgin Atlantic
Thu 1/1017:45
SJC
-
LHR
1 stop13h 50m
Virgin Atlantic
Deal found 15/5£499
Sat 5/912:45
LHR
-
SFO
Nonstop11h 00m
Delta
Sat 12/909:00
SFO
-
LHR
1 stop15h 50m
Delta
Deal found 17/5£500

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 17 May 2026.

Round-trip from

£402

Popular in

December

Cheapest in

February

Average price

£542
Delta
  • Delta
  • 25/9-3/10
  • 2 total stops
  • 34h 17m total
  • London to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 17 May 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 Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 25/9

09:20-18:37

1 stop17h 17m

San Jose

Sat 3/10

17:45-15:35

1 stop13h 50m

£498

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 5/9

12:45-15:45

Nonstop11h 00m

San Francisco

Sat 12/9

12:20-10:40

1 stop14h 20m

£501

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 11/8

06:30-15:50

2 stops17h 20m

San Jose

Wed 26/8

17:47-15:35

1 stop13h 48m

£503

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 18/6

11:45-20:12

2 stops16h 27m

San Jose

Thu 2/7

11:29-15:35

1 stop20h 06m

£513

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 11/8

12:55-22:32

1 stop17h 37m

San Jose

Wed 26/8

06:00-06:20

1 stop16h 20m

£516

LondonOakland

LHR - OAK

LHROAK

London Heathrow

Thu 18/6

06:15-23:54

2 stops25h 39m

Oakland

Sat 4/7

12:33-10:00

1 stop13h 27m

£525

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 27/8

08:40-20:13

2 stops19h 33m

San Jose

Thu 10/9

11:30-13:05

2 stops17h 35m

£525

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 26/6

08:55-19:35

2 stops18h 40m

San Jose

Fri 3/7

20:19-17:35

1 stop13h 16m

£534

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 27/8

12:45-15:45

Nonstop11h 00m

San Francisco

Sun 6/9

10:31-12:10

1 stop17h 39m

£536

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 6/8

09:20-17:24

1 stop16h 04m

San Francisco

Mon 10/8

17:55-12:15

Nonstop10h 20m

£537

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from London Heathrow Airport to San Francisco Bay Area?

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to San Francisco Bay Area, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco Bay Area (average of £449). Flying from London Heathrow Airport to San Francisco Bay Area in January is currently the most expensive (average of £972). 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 17 May 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.

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 17 May 2026.

The most flights from LHR to zzXIH are scheduled on a Monday (42 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (22 on average).

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 17 May 2026.
Read reviews from past customers who have flown with Austrian Airlines,United Airlines, andVirgin Atlantic 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
913 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Food

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
913 reviews
Austrian Airlines
7.6
Good
913 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Food

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,731 reviews
Austrian Airlines
7.6
Good
913 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Food

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Virgin Atlantic
7.4
Good
688 reviews
Austrian Airlines
7.6
Good
913 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Food

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
8,007 reviews
Austrian Airlines
7.6
Good
913 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Food

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
7,985 reviews
Austrian Airlines
7.6
Good
913 reviews
Check prices

Overall

7.6

Crew

8.1

Entertainment

6.8

Boarding

7.6

Food

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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 11h. Fly via Virgin Atlantic, Delta, or Finnair 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 £272 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Virgin Atlantic from £327 and Iberia from £328 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 (88%), Austrian Airlines (88%) or United Airlines (88%) 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 £1,195, our data shows the cheapest flight currently is £425. When looking at the most popular route, (London Heathrow - San Francisco), you can expect to pay £412 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco Bay Area (average of £449). Flying from London Heathrow Airport to San Francisco Bay Area in January is currently the most expensive (average of £972). 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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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 17 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£323Average£674FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£338Average£421FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
SWISSCheapest£354Average£432FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£355Average£569FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£357Average£484FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£362Average£472FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£370Average£542FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£375Average£513FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£378Average£499FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Virgin AtlanticCheapest£379Average£535FlexibilityNo 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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