Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to San Francisco Bay Area from £341

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
18 Mar — 25 Mar1
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 16 February 2026.

Thu 7/508:45
LHR
-
SFO
1 stop15h 30m
United Airlines
Sun 10/506:45
SFO
-
LHR
1 stop18h 55m
United Airlines
Deal found 14/2£365
Thu 19/309:00
LHR
-
SFO
1 stop15h 30m
United Airlines
Mon 6/414:30
SFO
-
LHR
1 stop13h 20m
United Airlines
Deal found 13/2£366
Tue 22/908:45
LHR
-
SFO
1 stop15h 30m
Lufthansa
Tue 29/916:50
SFO
-
LHR
Nonstop10h 20m
Lufthansa
Deal found 13/2£367
Tue 22/908:45
LHR
-
SFO
2 stops17h 56m
Air Canada
Sun 27/911:10
SFO
-
LHR
1 stop14h 50m
Air Canada
Deal found 13/2£368
Thu 19/220:05
LHR
-
SFO
1 stop28h 25m
SWISS
Wed 11/311:55
SFO
-
LHR
2 stops21h 25m
SWISS
Deal found 12/2£368
Sat 18/407:25
LHR
-
SFO
1 stop15h 05m
United Airlines
Fri 24/412:50
SFO
-
LHR
Nonstop10h 35m
United Airlines
Deal found 16/2£369
Mon 23/307:40
LHR
-
SFO
1 stop19h 55m
United Airlines
Thu 16/411:20
SFO
-
LHR
1 stop18h 00m
United Airlines
Deal found 12/2£370
Fri 15/508:40
LHR
-
SFO
1 stop15h 35m
United Airlines
Tue 26/523:59
SFO
-
LHR
1 stop13h 36m
United Airlines
Deal found 13/2£370
Fri 1/507:25
LHR
-
SFO
1 stop19h 35m
Multiple Airlines
Fri 8/508:05
SFO
-
LHR
1 stop14h 25m
Multiple Airlines
Deal found 16/2£371
Fri 6/313:30
LHR
-
SFO
1 stop14h 40m
Lufthansa
Sat 14/318:40
SFO
-
LHR
2 stops18h 55m
Lufthansa
Deal found 16/2£372
Fri 1/507:25
LHR
-
SFO
1 stop19h 35m
Multiple Airlines
Sun 17/508:05
SFO
-
LHR
1 stop17h 55m
Multiple Airlines
Deal found 12/2£373
Thu 7/508:45
LHR
-
SFO
2 stops17h 52m
Air Canada
Sun 24/511:10
SFO
-
LHR
1 stop16h 40m
Air Canada
Deal found 13/2£373

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 16 February 2026.

Round-trip from

£365

One-way from

£341

Popular in

July

Cheapest in

February

Average price

£413
United Airlines
  • United Airlines
  • 15/4-25/4
  • 2 total stops
  • 30h 30m total
  • London to San Francisco Bay Area
Search Deals
British Airways
  • British Airways
  • 11/5
  • 2 total stops
  • 35h 55m total
  • London to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 16 February 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

Heathrow

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/4

08:40-16:15

1 stop15h 35m

San Francisco

Thu 30/4

06:45-12:20

1 stop21h 35m

£365

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 27/4

07:25-14:30

1 stop15h 05m

San Francisco

Wed 20/5

16:35-11:10

Nonstop10h 35m

£369

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 24/3

11:10-20:35

1 stop16h 25m

San Francisco

Sat 4/4

06:00-10:10

1 stop20h 10m

£370

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 25/4

07:25-14:30

1 stop15h 05m

San Francisco

Wed 6/5

10:05-10:10

1 stop16h 05m

£370

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 3/6

08:40-16:15

1 stop15h 35m

San Francisco

Wed 29/7

05:00-09:40

1 stop20h 40m

£378

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/4

08:40-16:15

1 stop15h 35m

San Francisco

Thu 16/4

19:30-14:10

Nonstop10h 40m

£378

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 5/6

08:40-16:15

1 stop15h 35m

San Francisco

Thu 30/7

13:00-07:25

Nonstop10h 25m

£378

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/4

08:40-16:15

1 stop15h 35m

San Francisco

Tue 14/4

19:30-14:10

Nonstop10h 40m

£378

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/4

08:45-16:15

1 stop15h 30m

San Francisco

Tue 14/4

16:35-11:10

Nonstop10h 35m

£378

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 6/3

20:05-16:30

1 stop28h 25m

San Francisco

Mon 9/3

20:25-21:25

2 stops18h 00m

£379

Flights are sorted by cheapest return flights first.

Deals found on 14/2

Showing 1-10 of 60 results
1
2
3
...
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 £340). Flying from London Heathrow Airport to San Francisco Bay Area in July is currently the most expensive (average of £436). 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 16 February 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 16 February 2026.

The most flights from LHR to zzXIH are scheduled on a Monday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 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 16 February 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
7.5
Good
896 reviews
Check prices

Boarding

7.6

Overall

7.5

Food

6.8

Comfort

7.3

Crew

8.1

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
7.5
Good
896 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Overall

7.5

Food

6.8

Comfort

7.3

Crew

8.1

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
678 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Overall

7.5

Food

6.8

Comfort

7.3

Crew

8.1

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
9,299 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Overall

7.5

Food

6.8

Comfort

7.3

Crew

8.1

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
7,786 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Overall

7.5

Food

6.8

Comfort

7.3

Crew

8.1

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
7,750 reviews
Austrian Airlines
7.5
Good
896 reviews
Check prices

Boarding

7.6

Overall

7.5

Food

6.8

Comfort

7.3

Crew

8.1

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 15h 35m. Fly via United Airlines, Delta, or Virgin Atlantic 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 £266 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include WestJet from £295 and Scandinavian Airlines from £298 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 (82%), Air France (82%) or Delta (82%) 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 £1,934, our data shows the cheapest flight currently is £336. When looking at the most popular route, (London Heathrow - San Francisco), you can expect to pay £339 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 £340). Flying from London Heathrow Airport to San Francisco Bay Area in July is currently the most expensive (average of £436). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Los Angeles flights
Heathrow to Las Vegas flights
Heathrow to San Francisco flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Stansted to Los Angeles flights
Heathrow to Ontario flights
Gatwick to Las Vegas flights
Gatwick to San Francisco flights
London City to San Francisco flights
Heathrow to San Diego flights
Luton to Los Angeles flights
London City to Las Vegas flights
Stansted to San Francisco flights
Stansted to Las Vegas flights
Heathrow to Long Beach flights
Heathrow to San Jose flights
Heathrow to Santa Ana flights
Luton to San Francisco flights
Luton to Las Vegas flights
Gatwick to San Diego flights
London City to San Diego flights
Heathrow to Burbank flights
Stansted to San Diego flights
Gatwick to San Jose flights
Heathrow to Oakland flights
Heathrow to Sacramento flights
Gatwick to Oakland flights
Heathrow to Medford flights
Gatwick to Ontario flights
London City to Santa Ana flights
London City to San Jose flights
Gatwick to Burbank flights
Gatwick to Santa Ana flights
Southend to Las Vegas flights
Gatwick to Sacramento flights
Heathrow to Palm Springs flights
London City to Ontario flights
Heathrow to Santa Rosa flights
Southend to Los Angeles flights
Gatwick to Tijuana flights
Heathrow to Reno flights
Southend to San Diego flights
Heathrow to Fresno flights
Heathrow to Monterey flights
Southend to San Francisco flights
Heathrow to Santa Barbara flights
Gatwick to Palm Springs flights
Heathrow to San Luis Obispo flights
Heathrow to Tijuana 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 16 February 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£233Average£561FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£330Average£471FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£332Average£557FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
SWISSCheapest£345Average£400FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Aer LingusCheapest£346Average£545FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapest£351Average£525FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£353Average£449FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£361Average£512FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£366Average£465FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
FinnairCheapest£366Average£475FlexibilityNo cancel feeOn-time76%
Search Finnair 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.