Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from San Francisco Bay Area to London Heathrow Airport from £163

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LHR
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco Bay Area to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco Bay Area to Heathrow
Explore the most affordable flight options available from San Francisco Bay Area to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 February 2026.

Sat 28/213:57
SJC
-
LHR
1 stop33h 53m
Virgin Atlantic
Tue 5/511:45
LHR
-
SJC
2 stops18h 31m
Virgin Atlantic
Deal found 13/2£396
Mon 2/306:20
SJC
-
LHR
2 stops18h 25m
Virgin Atlantic
Wed 25/308:55
LHR
-
SJC
1 stop19h 38m
Virgin Atlantic
Deal found 14/2£420
Mon 16/211:45
SJC
-
LHR
1 stop14h 45m
Virgin Atlantic
Mon 23/211:20
LHR
-
SJC
1 stop14h 13m
Virgin Atlantic
Deal found 15/2£421
Mon 2/1113:50
SJC
-
LHR
1 stop13h 05m
Virgin Atlantic
Mon 16/1119:20
LHR
-
SJC
2 stops31h 28m
Virgin Atlantic
Deal found 15/2£429
Thu 2/409:15
SJC
-
LHR
1 stop17h 00m
Virgin Atlantic
Wed 15/406:30
LHR
-
SJC
2 stops18h 29m
Virgin Atlantic
Deal found 15/2£432
Tue 20/1011:30
SJC
-
LHR
2 stops16h 45m
Virgin Atlantic
Wed 28/1010:45
LHR
-
SJC
1 stop14h 35m
Virgin Atlantic
Deal found 12/2£434
Sat 14/222:35
SJC
-
LHR
1 stop23h 50m
Delta
Fri 27/206:30
LHR
-
SJC
2 stops19h 03m
Delta
Deal found 13/2£437
Wed 18/216:30
SFO
-
LHR
Nonstop10h 20m
Delta
Tue 24/211:40
LHR
-
SFO
Nonstop11h 00m
Delta
Deal found 15/2£437
Mon 16/206:50
SFO
-
LHR
2 stops16h 20m
Multiple Airlines
Mon 23/220:15
LHR
-
SFO
1 stop31h 20m
Multiple Airlines
Deal found 13/2£438
Sun 15/219:25
SFO
-
LHR
1 stop14h 25m
SWISS
Tue 3/306:00
LHR
-
SFO
1 stop18h 30m
SWISS
Deal found 12/2£439
Sun 15/218:30
SJC
-
LHR
1 stop14h 20m
Virgin Atlantic
Tue 3/306:30
LHR
-
SJC
2 stops22h 48m
Virgin Atlantic
Deal found 14/2£439
Sun 15/216:30
SFO
-
LHR
Nonstop10h 20m
Virgin Atlantic
Tue 3/306:30
LHR
-
SFO
1 stop13h 20m
Virgin Atlantic
Deal found 12/2£439

Find flight deals from San Francisco Bay Area to Heathrow

Keep the following information in mind while searching for San Francisco Bay Area to Heathrow flight deals. Data was last updated 16 February 2026.

Round-trip from

£396

One-way from

£163

Popular in

June

Cheapest in

January

Average price

£482
Virgin Atlantic
  • Virgin Atlantic
  • 28/2-5/5
  • 4 total stops
  • 52h 01m total
  • San Francisco Bay Area to London
Search Deals
American Airlines
  • American Airlines
  • 20/7
  • 1 total stop
  • 17h 58m total
  • San Francisco Bay Area to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£84 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 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 San Francisco Bay Area to Heathrow 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 San Francisco Bay Area to London Heathrow Airport that are best for you.

Fly from

San Francisco Bay Area

Fly to

Heathrow

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 15/3

18:25-12:00

Nonstop10h 35m

London Heathrow

Tue 24/3

11:10-20:35

1 stop16h 25m

£452

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 4/3

17:25-12:00

Nonstop10h 35m

London Heathrow

Tue 31/3

06:55-14:30

1 stop15h 35m

£452

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 19/3

08:25-07:10

1 stop15h 45m

London Heathrow

Mon 23/3

07:40-20:35

1 stop19h 55m

£455

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 19/3

08:25-07:10

1 stop15h 45m

London Heathrow

Tue 24/3

11:10-20:35

1 stop16h 25m

£455

San JoseLondon

SJC - LHR

SJCLHR

San Jose

Tue 3/3

11:45-10:30

1 stop14h 45m

London Heathrow

Tue 10/3

06:30-20:24

2 stops20h 54m

£464

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Mon 16/3

16:49-10:00

1 stop34h 11m

London Heathrow

Mon 23/3

11:45-16:00

2 stops35h 15m

£464

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Tue 17/3

05:55-10:00

1 stop21h 05m

London Heathrow

Mon 23/3

11:45-16:00

2 stops35h 15m

£464

OaklandLondon

OAK - LHR

OAKLHR

Oakland

Wed 18/3

12:35-10:00

1 stop14h 25m

London Heathrow

Mon 23/3

11:45-16:00

2 stops35h 15m

£464

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 11/5

16:35-11:10

Nonstop10h 35m

London Heathrow

Thu 21/5

07:25-14:20

1 stop14h 55m

£464

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 25/3

18:25-12:00

Nonstop10h 35m

London Heathrow

Thu 9/4

07:25-19:00

1 stop19h 35m

£464

Flights are sorted by cheapest return flights first.

Deals found on 13/2

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from San Francisco Bay Area to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to London Heathrow Airport (average of £364). Flying from San Francisco Bay Area to London Heathrow Airport in June is currently the most expensive (average of £575). 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 LHR?

Find hourly flight availability from San Francisco Bay Area to Heathrow. 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.

One of the essential ways to save on airfare from San Francisco Bay Area to London Heathrow Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 31% on airfare.

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

Explore weekly flight availability from San Francisco Bay Area to Heathrow. 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 zzXIH to LHR 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 16 February 2026.
Check out reviews from past customers who have flown with KLM, Virgin Atlantic, andUnited Airlines from San Francisco Bay Area to London Heathrow Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,455 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,455 reviews
KLM
7.7
Good
1,455 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,455 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,299 reviews
KLM
7.7
Good
1,455 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,786 reviews
KLM
7.7
Good
1,455 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,750 reviews
KLM
7.7
Good
1,455 reviews
Check prices

Comfort

7.6

Food

7.3

Entertainment

7.1

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Heathrow. 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 San Francisco Bay Area to London Heathrow Airport?

    There are many flights that can get you from San Francisco Bay Area to London Heathrow Airport in 10h 35m. Fly via United Airlines, Delta, or Air Canada to get the fastest option. Airlines will cover a distance of 5350 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Francisco Bay Area to London Heathrow Airport one-way?

    £241 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Virgin Atlantic and KLM, with prices starting from £257 and £261, respectively.

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

    Most travelers choose San Francisco - London Heathrow, San Jose - London Heathrow or Oakland - London Heathrow when deciding on the best route from San Francisco Bay Area to London Heathrow Airport.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco Bay Area to London Heathrow Airport on time: Air Canada (82%), Austrian Airlines (82%), United Airlines (82%).

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

    Looking for the cheapest flight from San Francisco Bay Area to London Heathrow Airport? While on average our users pay £1,237, our data indicates the cheapest price to be £171. The most popular route (San Francisco - London Heathrow), is priced around £341.

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

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

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

    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 Heathrow.

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

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

    Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to London Heathrow Airport (average of £364). Flying from San Francisco Bay Area to London Heathrow Airport in June is currently the most expensive (average of £575). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

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 6 airlines flying from San Francisco Bay Area to Heathrow

Discover the top 6 airlines that operate flights from San Francisco Bay Area to Heathrow. 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
KLMCheapest£358Average£536FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£362Average£534FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£365Average£641FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£380Average£502FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£396Average£573FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£418Average£557FlexibilityNo cancel feeOn-time77%
Search Iberia 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 San Francisco Bay Area to Heathrow?

Deals for San Francisco Bay Area to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Heathrow from San Francisco Bay Area by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from San Francisco Bay Area to Heathrow flexibly with Cheapflights today.

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

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

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.