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Cheap flights from Heathrow (LHR) to San Francisco (SFO) from $339

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — SFO
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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The best prices from London Heathrow to San Francisco are usually found in February or November, booked 20 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 June 2, 2024.

Popular in

July

Cheapest in

February

Average price

$679

Round-trip from

$268
High demand for flights, 27% potential price rise
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Best time to find cheap flights, 17% potential price drop
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Average for round-trip flights in June 2024
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From London Heathrow to San Francisco
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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 13% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $629 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $693.

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 $643 for the month, but tickets can be as low as $413. 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 morning, which can drop the price by up to 10% versus a flight in the evening.

Cheap TAP AIR PORTUGAL flights from Heathrow to San Francisco

Explore cheap flight options specifically provided by TAP AIR PORTUGAL for the route between Heathrow and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a peek at the cheapest TAP AIR PORTUGAL flights we've detected traveling from London to San Francisco. Make sure to check back often as deals are often changing.
Thu 10/317:55 pmLHR - SFO
1 stop26h 20mTAP AIR PORTUGAL
Sat 11/94:40 pmSFO - LHR
1 stop18h 15mTAP AIR PORTUGAL
Deal found 6/1$461
Thu 10/246:45 pmLHR - SFO
1 stop27h 50mTAP AIR PORTUGAL
Mon 10/285:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/1$465
Fri 11/151:40 pmLHR - SFO
1 stop33h 15mTAP AIR PORTUGAL
Sat 11/304:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/1$466
Sat 11/166:00 amLHR - SFO
1 stop16h 55mTAP AIR PORTUGAL
Sat 11/234:40 pmSFO - LHR
1 stop18h 15mTAP AIR PORTUGAL
Deal found 6/1$472
Fri 11/156:30 pmLHR - SFO
1 stop28h 25mTAP AIR PORTUGAL
Sat 11/304:40 pmSFO - LHR
1 stop18h 15mTAP AIR PORTUGAL
Deal found 6/1$473
Tue 10/227:50 pmLHR - SFO
1 stop26h 45mTAP AIR PORTUGAL
Wed 3/125:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/2$479
Wed 10/237:50 pmLHR - SFO
1 stop26h 45mTAP AIR PORTUGAL
Wed 3/195:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/2$481
Tue 10/16:45 pmLHR - SFO
1 stop27h 50mTAP AIR PORTUGAL
Thu 10/104:20 pmSFO - LHR
1 stop17h 25mTAP AIR PORTUGAL
Deal found 6/2$502
Tue 9/106:45 pmLHR - SFO
1 stop27h 50mTAP AIR PORTUGAL
Mon 9/234:55 pmSFO - LHR
1 stop17h 55mTAP AIR PORTUGAL
Deal found 6/1$506

  • One of the most popular airlines traveling from London Heathrow Airport to San Francisco is TAP AIR PORTUGAL. Flights from TAP AIR PORTUGAL traveling this route typically cost $719.50 RT. This price is typically 64% more expensive than other airlines that offer London Heathrow Airport to San Francisco flights. When booking this route, the cheapest RT price found was $538. The most popular departure airport in London Heathrow Airport when flying to San Francisco is London Heathrow Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from London Heathrow Airport to San Francisco, TAP AIR PORTUGAL flights are 8% more popular than any other airline flying that same route.

Cheap Air Canada flights from Heathrow to San Francisco

Explore cheap flight options specifically provided by Air Canada for the route between Heathrow and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Have a look at some of the cheapest available Air Canada flights departing from London and landing in San Francisco. Check back soon if you're not seeing flights that suit your needs.
Wed 9/112:05 pmLHR - SFO
1 stop15h 26mAir Canada
Thu 10/312:10 pmSFO - LHR
1 stop13h 50mAir Canada
Deal found 6/1$504
Sun 6/99:30 amLHR - SFO
1 stop21h 47mAir Canada
Sun 7/76:30 amSFO - LHR
1 stop19h 05mAir Canada
Deal found 6/1$529
Wed 6/122:05 pmLHR - SFO
1 stop17h 12mAir Canada
Mon 7/298:30 amSFO - LHR
1 stop14h 00mAir Canada
Deal found 6/1$539
Sun 6/99:30 amLHR - SFO
1 stop21h 47mAir Canada
Sun 7/76:30 amSFO - LHR
1 stop16h 05mAir Canada
Deal found 6/2$547
Tue 9/173:50 pmLHR - SFO
1 stop15h 32mAir Canada
Fri 9/276:30 amSFO - LHR
1 stop16h 05mAir Canada
Deal found 6/1$557
Mon 6/109:30 amLHR - SFO
1 stop21h 47mAir Canada
Sat 6/224:35 pmSFO - LHR
2 stops20h 25mAir Canada
Deal found 5/31$565
Tue 6/119:30 amLHR - SFO
2 stops19h 32mAir Canada
Sun 6/236:30 amSFO - LHR
1 stop16h 05mAir Canada
Deal found 6/1$570
Tue 6/119:30 amLHR - SFO
2 stops19h 32mAir Canada
Fri 7/196:30 amSFO - LHR
1 stop16h 05mAir Canada
Deal found 6/1$572
Tue 7/212:05 pmLHR - SFO
2 stops18h 54mAir Canada
Mon 7/86:30 amSFO - LHR
1 stop16h 05mAir Canada
Deal found 5/31$594

  • Air Canada is one of the most popular airlines used for those traveling from London Heathrow Airport to San Francisco. Flights on this route from Air Canada typically cost $570.97 RT, a price that is 88% cheaper than the average London Heathrow Airport to San Francisco flight. The cheapest flight found was $416 RT. The most popular departure airport in London Heathrow Airport when flying to San Francisco is London Heathrow Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from London Heathrow Airport to San Francisco, Air Canada flights are 4% more popular than any other airline flying that same route.

Cheap Heathrow to San Francisco flights in June & July 2024

Find cheap flight options from Heathrow to San Francisco specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 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.
Thu 6/274:15 pmLHR - SFO
Nonstop11h 00mMultiple Airlines
Mon 7/811:00 pmSFO - LHR
1 stop23h 30mMultiple Airlines
Deal found 6/1$503
Tue 6/2512:20 pmLHR - SFO
Nonstop11h 00mMultiple Airlines
Thu 7/1111:55 amSFO - LHR
1 stop15h 55mMultiple Airlines
Deal found 6/1$509
Mon 6/178:05 pmLHR - SFO
1 stop28h 00mMultiple Airlines
Mon 7/810:40 pmSFO - LHR
1 stop23h 50mMultiple Airlines
Deal found 6/2$512
Mon 6/1710:25 amLHR - SFO
Nonstop11h 00mMultiple Airlines
Mon 7/811:00 pmSFO - LHR
1 stop27h 00mMultiple Airlines
Deal found 6/2$515
Tue 6/186:00 amLHR - SFO
1 stop18h 05mMultiple Airlines
Fri 7/127:45 pmSFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 6/1$516
Tue 6/2510:25 amLHR - SFO
Nonstop11h 00mMultiple Airlines
Thu 7/1111:55 amSFO - LHR
1 stop15h 55mMultiple Airlines
Deal found 6/2$521
Sun 6/99:30 amLHR - SFO
1 stop21h 47mMultiple Airlines
Sun 7/74:00 pmSFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 6/1$523
Thu 6/2712:20 pmLHR - SFO
Nonstop11h 00mMultiple Airlines
Thu 7/1812:30 pmSFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 6/1$524
Thu 6/273:20 pmLHR - SFO
1 stop16h 41mMultiple Airlines
Mon 7/810:40 pmSFO - LHR
1 stop27h 20mMultiple Airlines
Deal found 6/1$525

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 2,810,401 searches. Data last updated June 2, 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.
Thu 10/317:55 pmLHR - SFO
1 stop26h 20mTAP AIR PORTUGAL
Sat 11/94:40 pmSFO - LHR
1 stop18h 15mTAP AIR PORTUGAL
Deal found 6/1$461
Thu 10/246:45 pmLHR - SFO
1 stop27h 50mTAP AIR PORTUGAL
Mon 10/285:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/1$465
Fri 11/151:40 pmLHR - SFO
1 stop33h 15mTAP AIR PORTUGAL
Sat 11/304:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/1$466
Sat 11/166:00 amLHR - SFO
1 stop16h 55mTAP AIR PORTUGAL
Sat 11/234:40 pmSFO - LHR
1 stop18h 15mTAP AIR PORTUGAL
Deal found 6/1$472
Fri 11/156:30 pmLHR - SFO
1 stop28h 25mTAP AIR PORTUGAL
Sat 11/304:40 pmSFO - LHR
1 stop18h 15mTAP AIR PORTUGAL
Deal found 6/1$473
Sat 10/510:25 amLHR - SFO
Nonstop11h 05mLufthansa
Sat 10/197:50 pmSFO - LHR
Nonstop10h 20mLufthansa
Deal found 6/2$477
Fri 11/81:40 pmLHR - SFO
1 stop33h 15mTAP AIR PORTUGAL
Fri 11/154:40 pmSFO - LHR
1 stop22h 00mTAP AIR PORTUGAL
Deal found 6/2$478
Tue 10/227:50 pmLHR - SFO
1 stop26h 45mTAP AIR PORTUGAL
Wed 3/125:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/2$479
Wed 10/237:50 pmLHR - SFO
1 stop26h 45mTAP AIR PORTUGAL
Wed 3/195:40 pmSFO - LHR
1 stop16h 50mTAP AIR PORTUGAL
Deal found 6/2$481

Non-stop flights to San Francisco from Heathrow

Discover non-stop flight options from Heathrow to San Francisco. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
For a shorter flight, select one of these non-stop flights from London to San Francisco. Select from other flights from London to San Francisco by using the search form above.
Sun 9/2210:25 amLHR - SFO
Nonstop11h 05mLufthansa
Sat 10/54:05 pmSFO - LHR
Nonstop10h 20mLufthansa
Deal found 6/2$509
Sat 9/214:15 pmLHR - SFO
Nonstop11h 05mLufthansa
Sat 10/512:35 pmSFO - LHR
Nonstop10h 20mLufthansa
Deal found 6/1$512
Sat 9/144:15 pmLHR - SFO
Nonstop11h 05mMultiple Airlines
Sat 9/2812:35 pmSFO - LHR
Nonstop10h 20mMultiple Airlines
Deal found 6/1$513
Thu 10/3110:05 amLHR - SFO
Nonstop11h 10mAustrian Airlines
Sat 11/95:25 pmSFO - LHR
Nonstop10h 35mAustrian Airlines
Deal found 6/1$515
Fri 8/304:15 pmLHR - SFO
Nonstop11h 00mLufthansa
Sat 9/214:05 pmSFO - LHR
Nonstop10h 20mLufthansa
Deal found 6/1$519
Wed 9/1812:20 pmLHR - SFO
Nonstop11h 05mMultiple Airlines
Sun 10/276:25 pmSFO - LHR
Nonstop10h 35mMultiple Airlines
Deal found 6/2$520
Thu 9/510:25 amLHR - SFO
Nonstop11h 05mMultiple Airlines
Thu 9/267:50 pmSFO - LHR
Nonstop10h 20mMultiple Airlines
Deal found 6/1$521
Sun 9/2210:25 amLHR - SFO
Nonstop11h 05mAustrian Airlines
Wed 10/212:35 pmSFO - LHR
Nonstop10h 20mAustrian Airlines
Deal found 6/2$522
Thu 6/2712:20 pmLHR - SFO
Nonstop11h 00mMultiple Airlines
Thu 7/1812:30 pmSFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 6/1$524

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 2,810,401 searches. Data last updated June 2, 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.
Sun 6/99:30 amLHR - SFO
1 stop21h 47mMultiple Airlines
Sun 7/74:00 pmSFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 6/1$523
Sun 6/912:20 pmLHR - SFO
Nonstop11h 00mLufthansa
Sun 7/712:30 pmSFO - LHR
Nonstop10h 25mLufthansa
Deal found 6/1$527
Sun 6/910:25 amLHR - SFO
Nonstop11h 00mLufthansa
Sun 7/77:45 pmSFO - LHR
Nonstop10h 25mLufthansa
Deal found 6/2$528
Sun 6/99:30 amLHR - SFO
1 stop21h 47mAir Canada
Sun 7/76:30 amSFO - LHR
1 stop19h 05mAir Canada
Deal found 6/1$529
Thu 6/134:15 pmLHR - SFO
Nonstop11h 00mLufthansa
Thu 6/2011:12 pmSFO - LHR
2 stops28h 13mLufthansa
Deal found 6/1$530
Mon 6/1012:20 pmLHR - SFO
Nonstop11h 00mLufthansa
Sat 6/2210:35 pmSFO - LHR
1 stop24h 50mLufthansa
Deal found 5/31$533
Sun 6/94:15 pmLHR - SFO
Nonstop11h 00mMultiple Airlines
Sun 7/76:30 amSFO - LHR
1 stop19h 05mMultiple Airlines
Deal found 6/2$534
Thu 6/132:10 pmLHR - SFO
1 stop17h 12mMultiple Airlines
Thu 6/2011:12 pmSFO - LHR
2 stops28h 13mMultiple Airlines
Deal found 6/1$537
Wed 6/122:05 pmLHR - SFO
1 stop17h 12mAir Canada
Mon 7/298:30 amSFO - LHR
1 stop14h 00mAir Canada
Deal found 6/1$539

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 2,810,401 searches. Data last updated June 2, 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.
Wed 9/118:50 pmLHR - SFO
1 stop29h 20mVueling
Deal found 6/1$339
Wed 9/188:50 pmLHR - SFO
1 stop29h 20mVueling
Deal found 6/1$345
Wed 10/91:45 pmLHR - SFO
2 stops32h 50mMultiple Airlines
Deal found 6/1$382
Tue 10/151:10 pmLHR - SFO
2 stops33h 25mMultiple Airlines
Deal found 6/1$390
Tue 10/81:10 pmLHR - SFO
2 stops33h 25mMultiple Airlines
Deal found 6/1$392
Wed 10/161:45 pmLHR - SFO
2 stops32h 50mMultiple Airlines
Deal found 6/1$394
Thu 10/102:30 pmLHR - SFO
2 stops32h 05mMultiple Airlines
Deal found 6/2$396
Tue 6/111:10 pmLHR - SFO
2 stops33h 25mMultiple Airlines
Deal found 6/1$398
Mon 9/96:50 amLHR - SFO
3 stops50h 08mMultiple Airlines
Deal found 6/2$400

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 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$461 - $571

Route

Depart

Return

Price

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 10/31

1 stop26h 20m

San Francisco

Sat 11/9

1 stop18h 15m

$461

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 9/21

Nonstop11h 05m

San Francisco

Sat 10/5

1 stop13h 50m

$488

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 10/23

1 stop17h 10m

San Francisco

Mon 3/10

2 stops32h 35m

$501

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 9/11

1 stop15h 26m

San Francisco

Thu 10/3

1 stop13h 50m

$504

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 10/31

Nonstop11h 10m

San Francisco

Sat 11/9

Nonstop10h 35m

$515

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 10/31

1 stop14h 30m

San Francisco

Thu 11/14

Nonstop10h 35m

$516

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/12

1 stop15h 05m

San Francisco

Sat 9/21

1 stop23h 05m

$539

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 6/15

Nonstop11h 00m

San Francisco

Mon 7/1

Nonstop10h 25m

$560

London HeathrowSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 9/16

Nonstop11h 05m

San Francisco

Wed 9/25

1 stop13h 25m

$571

Flights are sorted by cheapest first

Deals found on 6/1

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 May 31, 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 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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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 May 26, 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 Monday afternoons when fares are most often at their lowest. Monday evenings 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

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 June 2, 2024.
Get a feel of what it's like to fly with TAP AIR PORTUGAL, Air Canada 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
10,410 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

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
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

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
7.8
Good
1,368 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

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
1,016 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

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.

Virgin Atlantic
7.6
Good
720 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

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.

WestJet
7.5
Good
2,861 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

8.0

Food

7.4

Comfort

7.9

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 $461, but on average you can expect to pay $489.

  • 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 $525.

  • Are there last-minute flights available from London Heathrow Airport to San Francisco for under $600?

    There are currently 20+ open flights from London Heathrow Airport to San Francisco within the next 7 days for less than $600.

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

    According to our current data, TAP AIR PORTUGAL ($461), Scandinavian Airlines ($501), and Air Canada ($504) offers the cheapest pricing from London Heathrow Airport to San Francisco. TAP AIR PORTUGAL is priced at 28% 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 (74%), Austrian Airlines (74%) and United Airlines (74%).

  • 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 $2,693, our data shows the cheapest flight currently is $526. When looking at the most popular route, (London Heathrow - San Francisco), you can expect to pay $453 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 6/2.

  • 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 $385). 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.

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Alternative routes for Heathrow to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.

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Top 10 airlines flying from Heathrow to San Francisco

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 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$416Average$571FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest$422Average$601FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest$492Average$642FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IberiaCheapest$507Average$729FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest$525Average$643FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest$538Average$740FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest$538Average$720FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$539Average$675FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Brussels AirlinesCheapest$572Average$659FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
American AirlinesCheapest$577Average$710FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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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.
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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 June 2, 2024.
1%of flight departuresEarly morningMidnight to 6 am
51%of flight departuresMorning6 am to noon
48%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 June 2, 2024.
Sunday31daily flights
Monday31daily flights
Tuesday31daily flights
Wednesday31daily flights
Thursday31daily flights
Friday31daily flights
Saturday31daily flights

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Fly with Cheapflights

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

Deals for Heathrow to San Francisco 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 Heathrow to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to San Francisco from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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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