HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$279+ Cheap flights from Heathrow (LHR) to San Francisco (SFO)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SFO
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from London Heathrow to San Francisco are usually found in February or November, booked 31 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 July 25, 2024.

Popular in

July

Cheapest in

February

Round-trip from

$469
(mytrip.com)

One-way from

$279
(Kiwi.com)
High demand for flights, 29% potential price rise
Search Deals
Best time to find cheap flights, 18% potential price drop
Search Deals
From London Heathrow to San Francisco
Search Deals
One-way flight from London Heathrow to San Francisco
Search Deals

What is the cheapest day to fly round-trip from London Heathrow Airport to San Francisco?

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from London Heathrow Airport to San Francisco, book at least 58 days before your planned departure. Booking around this time can save you about 20% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $628 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $674.

What is the cheapest month to fly from London Heathrow Airport to San Francisco?

Our data shows that February tends to be the cheapest month to fly to San Francisco from London Heathrow Airport. Users have commonly found prices around $649 for the month, but tickets can be as low as $412. Due to multiple factors, prepare for potentially higher prices in July.

What is the cheapest time of day to fly from LHR to SFO?

When flying from London Heathrow Airport to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight in the afternoon.

Cheap Heathrow to San Francisco flights in July & August 2024

Find cheap flight options from Heathrow to San Francisco specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
These are some of the best deals we've found on flights to San Francisco in 2024 at this time. More deals are always being added, so be sure to check back regularly.
This mytrip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/294:35 pmLHR - SFO
1 stop30h 00mTAP AIR PORTUGAL
Mon 10/285:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 7/23$469
This FlightNetwork deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightNetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/278:30 pmLHR - SFO
1 stop27h 20mScandinavian Airlines
Sat 9/215:40 pmSFO - LHR
1 stop14h 20mScandinavian Airlines
Deal found 7/24$534
This Seat24 deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Seat24 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/258:30 pmLHR - SFO
1 stop27h 20mScandinavian Airlines
Sun 9/225:40 pmSFO - LHR
1 stop17h 50mScandinavian Airlines
Deal found 7/25$535
This FlightNetwork deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightNetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/288:30 pmLHR - SFO
1 stop27h 20mScandinavian Airlines
Thu 9/125:40 pmSFO - LHR
1 stop16h 00mScandinavian Airlines
Deal found 7/25$536
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/286:40 amLHR - SFO
1 stop17h 10mScandinavian Airlines
Thu 9/55:40 pmSFO - LHR
1 stop17h 50mScandinavian Airlines
Deal found 7/24$543
This Seat24 deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Seat24 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/258:30 pmLHR - SFO
1 stop27h 20mScandinavian Airlines
Sun 9/225:40 pmSFO - LHR
2 stops19h 55mScandinavian Airlines
Deal found 7/25$567
This Gotogate deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/279:05 pmLHR - SFO
2 stops26h 45mScandinavian Airlines
Sat 9/215:40 pmSFO - LHR
1 stop14h 20mScandinavian Airlines
Deal found 7/24$569
This mytrip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/296:40 amLHR - SFO
1 stop17h 10mScandinavian Airlines
Mon 10/285:20 pmSFO - LHR
2 stops21h 15mScandinavian Airlines
Deal found 7/23$570
This Gotogate deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/289:05 pmLHR - SFO
2 stops26h 45mScandinavian Airlines
Sat 9/145:40 pmSFO - LHR
1 stop16h 00mScandinavian Airlines
Deal found 7/25$571

Heathrow to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
These are some of the best deals we've found on flights to San Francisco in 2024 at this time. More deals are always being added, so be sure to check back regularly.
This mytrip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/294:35 pmLHR - SFO
1 stop30h 00mTAP AIR PORTUGAL
Mon 10/285:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 7/23$469
This Booking.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/206:00 amLHR - SFO
1 stop16h 55mTAP AIR PORTUGAL
Fri 12/64:40 pmSFO - LHR
1 stop22h 00mTAP AIR PORTUGAL
Deal found 7/24$476
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/197:50 pmLHR - SFO
1 stop26h 45mTAP AIR PORTUGAL
Sun 10/134:20 pmSFO - LHR
1 stop22h 35mTAP AIR PORTUGAL
Deal found 7/24$480
This oojo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/47:50 pmLHR - SFO
1 stop26h 45mTAP AIR PORTUGAL
Thu 10/104:20 pmSFO - LHR
1 stop18h 30mTAP AIR PORTUGAL
Deal found 7/24$483
This Booking.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/246:45 pmLHR - SFO
1 stop27h 50mTAP AIR PORTUGAL
Thu 9/264:20 pmSFO - LHR
1 stop18h 30mTAP AIR PORTUGAL
Deal found 7/24$491
This FlightNetwork deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightNetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/236:00 amLHR - SFO
1 stop16h 55mTAP AIR PORTUGAL
Sat 1/254:40 pmSFO - LHR
1 stop20h 55mTAP AIR PORTUGAL
Deal found 7/24$501
This FlightNetwork deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightNetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/136:00 amLHR - SFO
1 stop16h 55mTAP AIR PORTUGAL
Wed 12/44:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 7/24$503
This Gotogate deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/96:45 pmLHR - SFO
1 stop27h 20mTAP AIR PORTUGAL
Sat 9/285:10 pmSFO - LHR
1 stop17h 40mTAP AIR PORTUGAL
Deal found 7/23$505
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/206:00 amLHR - SFO
1 stop16h 55mTAP AIR PORTUGAL
Sat 12/74:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 7/24$507

Heathrow to San Francisco flights leaving soon

Find last-minute flight options from Heathrow to San Francisco for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Have a look at some of the last-minute flights available departing from London to San Francisco. Users should be sure to double check the price, date, and time of their last-minute flight.
This oojo deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/410:35 amLHR - SFO
2 stops37h 15mScandinavian Airlines
Sun 11/174:20 pmSFO - LHR
1 stop19h 10mScandinavian Airlines
Deal found 7/23$868
This oojo deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/410:35 amLHR - SFO
2 stops37h 15mScandinavian Airlines
Sun 11/174:20 pmSFO - LHR
2 stops33h 15mScandinavian Airlines
Deal found 7/23$909
This Voliamo deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Voliamo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:45 pmLHR - SFO
1 stop14h 40mKLM
Wed 12/1810:30 amSFO - LHR
1 stop14h 15mKLM
Deal found 7/24$980
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/39:20 amLHR - SFO
1 stop19h 06mDelta
Wed 4/911:30 amSFO - LHR
1 stop16h 00mDelta
Deal found 7/25$983
This Cheapflightsfares deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/314:15 pmLHR - SFO
Nonstop11h 00mMultiple Airlines
Tue 10/159:03 amSFO - LHR
1 stop13h 17mMultiple Airlines
Deal found 7/24$997
This Voliamo deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Voliamo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/319:55 amLHR - SFO
1 stop16h 37mAir France
Wed 9/411:30 amSFO - LHR
1 stop14h 45mAir France
Deal found 7/25$1,005
This TravelUp deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/314:15 pmLHR - SFO
Nonstop11h 00mMultiple Airlines
Wed 9/48:30 amSFO - LHR
1 stop14h 00mMultiple Airlines
Deal found 7/25$1,010
This The Travel House deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/314:15 pmLHR - SFO
Nonstop11h 00mLufthansa
Wed 9/47:50 pmSFO - LHR
Nonstop10h 20mLufthansa
Deal found 7/25$1,011
This ChecknFly deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/110:25 amLHR - SFO
Nonstop11h 00mLufthansa
Tue 9/39:10 amSFO - LHR
1 stop18h 15mLufthansa
Deal found 7/25$1,013

One-way flights to San Francisco from Heathrow

Search for one-way flight options from Heathrow to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Take a look at some of the best available options we've come across on one-way flights from London to San Francisco. Users in need of a round-trip flight from London to San Francisco instead should update the search form at the top of page.
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/278:35 pmLHR - SFO
2 stops45h 52mMultiple Airlines
Deal found 7/24$279
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/302:00 pmLHR - SFO
2 stops52h 27mMultiple Airlines
Deal found 7/25$281
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/302:00 pmLHR - SFO
2 stops52h 27mMultiple Airlines
Deal found 7/24$285
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/267:20 amLHR - SFO
2 stops44h 44mMultiple Airlines
Deal found 7/24$291
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/279:15 pmLHR - SFO
3 stops45h 12mMultiple Airlines
Deal found 7/24$293
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/286:35 amLHR - SFO
2 stops35h 52mMultiple Airlines
Deal found 7/24$301
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/297:20 amLHR - SFO
2 stops44h 44mMultiple Airlines
Deal found 7/24$322
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/262:30 pmLHR - SFO
2 stops38h 45mMultiple Airlines
Deal found 7/24$344
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/88:30 pmLHR - SFO
2 stops48h 35mMultiple Airlines
Deal found 7/25$345

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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$469 - $603

Route

Depart

Return

Price

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 8/29

1 stop30h 00m

San Francisco

Mon 10/28

1 stop16h 50m

$469

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/5

1 stop13h 15m

San Francisco

Sat 9/21

1 stop17h 25m

$509

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 11/15

1 stop29h 30m

San Francisco

Sat 11/30

1 stop15h 40m

$512

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 11/2

2 stops18h 22m

San Francisco

Wed 11/6

1 stop13h 15m

$542

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/5

1 stop13h 15m

San Francisco

Sat 9/21

Nonstop10h 20m

$552

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 9/14

1 stop17h 34m

San Francisco

Sat 9/28

Nonstop10h 20m

$565

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 9/17

1 stop15h 55m

San Francisco

Thu 10/3

Nonstop10h 20m

$580

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 10/30

1 stop15h 30m

San Francisco

Tue 11/12

Nonstop10h 35m

$581

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 11/19

1 stop15h 30m

San Francisco

Wed 12/4

1 stop13h 03m

$603

Flights are sorted by cheapest first

Deals found on 7/23

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 July 23, 2024.
The price you pay for your flight from London Heathrow Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 31 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from London Heathrow Airport to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Heathrow to San Francisco. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their London Heathrow Airport to San Francisco flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in San Francisco by month

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

SFO

Temperature

51.8 - 62.6 °F

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 July 25, 2024.
Get a feel of what it's like to fly with TAP AIR PORTUGAL, Delta and Austrian Airlines from London to San Francisco by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Delta
8.0
Very good
9,630 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

KLM
7.9
Good
1,417 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

SWISS
7.7
Good
1,799 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Finnair
7.7
Good
1,332 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Austrian Airlines
7.7
Good
933 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Overall

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

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?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from London Heathrow. Booking flights from London Heathrow to San Francisco (SFO) should be relatively easy as there are 31 daily inbound flights from London Heathrow from 12 different airlines.

  • Can I find flights from London Heathrow Airport to San Francisco for under $500 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to San Francisco for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $469, but on average you can expect to pay $506.

  • Are there nonstop flights from London Heathrow Airport to San Francisco for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from London Heathrow Airport to San Francisco under $600. A good price for a nonstop flight from London Heathrow Airport to San Francisco is less than $588.

  • Are there last-minute flights available from London Heathrow Airport to San Francisco for under $900?

    There are currently 20+ open flights from London Heathrow Airport to San Francisco within the next 7 days for less than $900.

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

    According to our current data, TAP AIR PORTUGAL ($469), Delta ($509), and Scandinavian Airlines ($512) offers the cheapest pricing from London Heathrow Airport to San Francisco. TAP AIR PORTUGAL is priced at 27% lower than the current average price of a flight leaving 3 months from now.

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to San Francisco are Air Canada (85%), Austrian Airlines (85%) and United Airlines (85%).

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

    While on average a flight from London Heathrow Airport to San Francisco is generally $2,273, our data shows the cheapest flight currently is $510. When looking at the most popular route, (London Heathrow - San Francisco), you can expect to pay $468 for that flight.

  • What does LHR to SFO mean?

    LHR stands for London Heathrow Airport, while SFO stands for San Francisco Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Heathrow to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Heathrow to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Heathrow to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Heathrow to San Francisco that allow pets onboard?

    Many airlines flying from Heathrow to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Heathrow to San Francisco?

    Yes, you can often find last-minute deals on Heathrow to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London Heathrow Airport to San Francisco flight deals updated?

    The London Heathrow Airport to San Francisco flight deals you see on this page were last updated on 7/24.

  • What are the most popular airlines that fly from London Heathrow Airport to San Francisco?

    American Airlines, Finnair and British Airways are the most popular airlines when flying from London Heathrow Airport to San Francisco.

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

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of $268). Flying from London Heathrow Airport to San Francisco in June is currently the most expensive (average of $382). 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
See prices for flight routes from nearby airports that may be better suited for you.

Heathrow to Los Angeles flights
Gatwick to Los Angeles flights
London City to Los Angeles flights
Heathrow to Las Vegas flights
Heathrow to Ontario flights
Heathrow to Burbank flights
Heathrow to Long Beach flights
Heathrow to Santa Ana flights
Luton to Los Angeles flights
Heathrow to San Diego flights
Gatwick to San Francisco flights
London City to San Francisco flights
London City to Las Vegas flights
Gatwick to Las Vegas flights
Stansted to Los Angeles flights
Heathrow to San Jose flights
Heathrow to Oakland flights
Gatwick to San Diego flights
Gatwick to Ontario flights
Stansted to Las Vegas flights
Luton to San Francisco flights
Heathrow to Sacramento flights
Gatwick to San Jose flights
Luton to Las Vegas flights
Gatwick to Oakland flights
Stansted to San Francisco flights
Gatwick to Sacramento flights
Heathrow to Reno flights
Heathrow to Palm Springs flights
Heathrow to Santa Rosa flights
Heathrow to Santa Barbara flights
Gatwick to Palm Springs flights
Heathrow to Medford flights

Top 10 airlines flying from Heathrow to San Francisco

Discover the top 10 airlines 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$411Average$571FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$427Average$633FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$492Average$633FlexibilityNo cancel feeOn-time76%
IberiaCheapest$504Average$710FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$524Average$626FlexibilityNo cancel feeOn-time70%
DeltaCheapest$534Average$706FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$538Average$721FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$542Average$686FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$545Average$709FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$550Average$655FlexibilityNo cancel feeOn-time78%
Chicago to Seattle flights
Chicago to New York flights
Detroit to Boston flights
USA to London flights
Atlanta to San Francisco flights
New York to Puerto Rico flights
Los Angeles to Tampa flights
Boston to Las Vegas flights
Las Vegas to San Francisco flights
New York John F Kennedy Intl Airport to London Heathrow Airport flights
Los Angeles to Dallas flights
London Heathrow Airport to Springfield flights

Search flights from Heathrow to San Francisco by cabin class

Find flights from Heathrow to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Heathrow to San Francisco

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 July 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
43%of flight departuresMorning6 am to noon
56%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Heathrow 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 July 25, 2024.
Sunday31daily flights
Monday31daily flights
Tuesday31daily flights
Wednesday31daily flights
Thursday31daily flights
Friday31daily flights
Saturday31daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
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.
View all available airlines