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Cheap flights from London Heathrow Airport to San Francisco from C$ 760

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
23 Dec — 30 Dec1
1 adult

The best prices from London Heathrow to San Francisco are usually found in February or November, booked 82 days in advance, depart on a Monday or Tuesday and return on a Monday

Cheap flight deals from Heathrow to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 760

Popular in

July

Cheapest in

February

Average price

C$ 1,130
Austrian Airlines
  • Austrian Airlines
  • 17/1-24/1
  • 4 total stops
  • 51h 14m total
  • London to San Francisco
High demand for flights, 19% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Heathrow to San Francisco

Cheapest flights from Heathrow to San Francisco
Explore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Thu 26/126:30 a.m.LHR - SFO
1 stop13h 20mDelta
Tue 14/14:40 p.m.SFO - LHR
Nonstop10h 15mDelta
Deal found 18/12C$ 854
Fri 27/123:20 p.m.LHR - SFO
Nonstop11h 25mBritish Airways
Tue 14/15:30 p.m.SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 18/12C$ 943
Fri 27/1210:05 a.m.LHR - SFO
Nonstop11h 10mUnited Airlines
Fri 10/112:50 p.m.SFO - LHR
Nonstop10h 35mUnited Airlines
Deal found 17/12C$ 964
Sat 28/1210:05 a.m.LHR - SFO
Nonstop11h 10mMultiple Airlines
Mon 13/15:25 p.m.SFO - LHR
Nonstop10h 35mMultiple Airlines
Deal found 18/12C$ 994
Tue 24/126:20 a.m.LHR - SFO
1 stop14h 50mVirgin Atlantic
Wed 1/11:05 p.m.SFO - LHR
1 stop15h 35mVirgin Atlantic
Deal found 17/12C$ 1,017
Mon 30/1210:05 a.m.LHR - SFO
Nonstop11h 10mLufthansa
Tue 14/12:40 p.m.SFO - LHR
1 stop14h 05mLufthansa
Deal found 18/12C$ 1,044
Mon 23/127:30 p.m.LHR - SFO
2 stops28h 55mSWISS
Tue 14/17:25 p.m.SFO - LHR
1 stop31h 50mSWISS
Deal found 18/12C$ 1,051
Tue 24/1211:35 a.m.LHR - SFO
2 stops39h 26mAustrian Airlines
Tue 14/18:25 a.m.SFO - LHR
2 stops18h 50mAustrian Airlines
Deal found 17/12C$ 1,055
Sun 29/1210:45 a.m.LHR - SFO
1 stop15h 37mKLM
Tue 14/19:00 a.m.SFO - LHR
1 stop14h 55mKLM
Deal found 18/12C$ 1,068
Mon 23/126:40 a.m.LHR - SFO
2 stops24h 11mScandinavian Airlines
Wed 29/105:40 p.m.SFO - LHR
2 stops20h 40mScandinavian Airlines
Deal found 18/12C$ 1,171
Sat 21/129:10 a.m.LHR - SFO
2 stops18h 52mAir France
Thu 3/48:20 a.m.SFO - LHR
2 stops21h 10mAir France
Deal found 17/12C$ 1,514
Tue 17/126:30 p.m.LHR - SFO
1 stop28h 10mTAP AIR PORTUGAL
Wed 1/14:35 p.m.SFO - LHR
1 stop21h 00mTAP AIR PORTUGAL
Deal found 16/12C$ 1,560

Find flights from Heathrow to San Francisco within your budget

Customize your flight search to find flights from Heathrow to San Francisco 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 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 26/2

7:30 p.m.-3:40 p.m.

1 stop28h 10m

San Francisco

Mon 17/3

6:30 p.m.-6:30 p.m.

1 stop17h 00m

C$ 770

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 17/1

6:30 p.m.-2:55 p.m.

1 stop28h 25m

San Francisco

Fri 24/1

7:15 p.m.-9:35 p.m.

1 stop18h 20m

C$ 783

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 13/3

6:30 a.m.-12:50 p.m.

1 stop13h 20m

San Francisco

Sun 23/3

5:40 p.m.-10:55 a.m.

Nonstop10h 15m

C$ 796

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/1

6:30 a.m.-11:50 a.m.

1 stop13h 20m

San Francisco

Wed 22/1

1:40 p.m.-10:00 a.m.

1 stop12h 20m

C$ 798

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 25/2

6:30 a.m.-11:50 a.m.

1 stop13h 20m

San Francisco

Wed 19/3

9:20 a.m.-7:55 a.m.

1 stop15h 35m

C$ 801

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 24/2

3:20 p.m.-6:45 p.m.

Nonstop11h 25m

San Francisco

Thu 20/3

6:30 p.m.-12:00 p.m.

Nonstop10h 30m

C$ 807

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 23/2

11:45 a.m.-3:00 p.m.

Nonstop11h 15m

San Francisco

Tue 18/3

9:40 p.m.-3:15 p.m.

Nonstop10h 35m

C$ 808

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 19/3

8:55 a.m.-5:25 p.m.

1 stop15h 30m

San Francisco

Wed 26/3

1:50 p.m.-7:25 a.m.

Nonstop10h 35m

C$ 848

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/1

9:30 a.m.-4:00 p.m.

1 stop14h 30m

San Francisco

Wed 30/4

12:55 p.m.-7:25 a.m.

Nonstop10h 30m

C$ 854

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/1

7:25 p.m.-9:42 p.m.

2 stops34h 17m

San Francisco

Wed 22/1

8:25 a.m.-11:05 a.m.

2 stops42h 40m

C$ 864

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 31 results
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Best time to book a flight from Heathrow to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Heathrow with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from Heathrow to San Francisco

Get recent, data-driven insights about flights from Heathrow to San Francisco including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to San Francisco. Price data was last updated on 13 December 2024.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to San Francisco, you should look to book at least 82 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?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of C$ 272). Flying from London Heathrow Airport to San Francisco in June is currently the most expensive (average of C$ 379). 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 SFO?

Find hourly flight availability from Heathrow to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

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 as you normally would.

Weekly flight availability from London Heathrow Airport to San Francisco

Explore weekly flight availability from Heathrow to San Francisco. 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 18 December 2024.

The most flights from LHR to SFO are scheduled on a Monday (33 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm 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 when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, 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

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated 18 December 2024.
Get a feel of what it's like to fly with SWISS, United Airlines and Scandinavian Airlines from London to San Francisco by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,604 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
1,349 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.7
Good
1,285 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.6
Good
787 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.6
Good
1,606 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 10

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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San Francisco from London Heathrow?

    For a flight from London Heathrow to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 19.0 km from the centre of the city. San Francisco is the only San Francisco airport and it handles 33 inbound flights from London Heathrow per day. 1 airline has flights to San Francisco from London Heathrow on a regular basis.

  • What are the cheapest airlines flying from London Heathrow Airport to San Francisco round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to San Francisco round-trip from C$ 760. Other airlines that can offer you cheap pricing are Scandinavian Airlines, from C$ 770, and TAP AIR PORTUGAL, from C$ 783. Austrian Airlines is currently priced 21% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at C$ 797. Iberia flights start at C$ 830 while deals on British Airways start at C$ 898 one-way.

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

    Consider Iberia (73%), Air Canada (71%) or Austrian Airlines (71%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to San Francisco.

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

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

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

    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.

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

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

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of C$ 272). Flying from London Heathrow Airport to San Francisco in June is currently the most expensive (average of C$ 379). 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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Top airline flying from Heathrow to San Francisco

Discover the top airline that operate flights from Heathrow to San Francisco. 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 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 909AverageC$ 909FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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

Yes, Cheapflights offers price alerts on Heathrow to San Francisco flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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