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

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The best prices from San Francisco to Heathrow are usually found in October or November, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

How to find the cheapest flight from San Francisco (SFO) to Heathrow (LHR)

SFO - LHR
Price
$445 - $872
LHR
Temperature
46.4 - 75.2 °F
LHR
Rainfall
1.5 - 2.6 inches
Popular in June High demand for flights, 33% potential price rise
Cheapest in October Best time to find cheap flights, 24% potential price drop
Round-trip from $445 From San Francisco to Heathrow
One-way from $237 One-way flight from San Francisco to Heathrow
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.

Cheap flights from San Francisco to Heathrow in June, July 2020

The best prices found for SFO to LHR flights for June, July
20 Jun - 11 Aug
$718pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
15 Jun - 21 Sep
$732pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
SWISS
 
1 STOP
SFO
San Francisco
15 Jun - 21 Sep
$733pp
SFO
San Francisco
Lufthansa
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Lufthansa
 
1 STOP
SFO
San Francisco

San Francisco to Heathrow 2020 flight deals

Cheap flights to Heathrow from San Francisco found for this year
2 Nov - 14 Nov
$292pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
26 Oct - 6 Nov
$299pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
2 Nov - 16 Nov
$300pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco

Non-stop flights to Heathrow from San Francisco

Save time with San Francisco to Heathrow direct flight deals
2 Nov - 16 Nov
$599pp
SFO
San Francisco
Brussels Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Brussels Airlines
Non-Stop
SFO
San Francisco
2 Nov - 18 Nov
$600pp
SFO
San Francisco
Brussels Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Brussels Airlines
Non-Stop
SFO
San Francisco
26 Oct - 2 Nov
$602pp
SFO
San Francisco
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Austrian Airlines
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to Heathrow

Late deals on round-trip flights to Heathrow from San Francisco, departing today and this week
25 May - 2 Jul
$769pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Iberia
 
1 STOP
SFO
San Francisco
25 May - 30 Jun
$775pp
SFO
San Francisco
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SFO
San Francisco
27 May - 24 Jun
$782pp
SFO
San Francisco
British Airways
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
British Airways
Non-Stop
SFO
San Francisco

One-way flights to Heathrow from San Francisco

The cheapest one-way flights from San Francisco to Heathrow
12:30 pm - 11:35 am
TAP AIR PORTUGAL
1 Stop
15h 05m
SFO - LHR
TAP AIR PORTUGAL
$237
Travelgenio
2:53 am - 5:00 am
British Airways
1 Stop
18h 07m
SFO - LHR
British Airways
$379
StudentUniverse
12:10 pm - 3:30 pm
SAS
1 Stop
19h 20m
SFO - LHR
SAS
$395
KAYAK

Related info for your journey

Useful info, stats and facts about San Francisco to Heathrow flights.

Flight FAQs

From San Francisco to Heathrow

Are flight prices decreasing from San Francisco to Heathrow due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Heathrow for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from San Francisco to Heathrow for under $300 on Cheapflights?

Yes, there are multiple flights from San Francisco to Heathrow for under $300. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $292, but on average you can expect to pay $330.

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

Cheapflights has at least 3 direct flights from San Francisco to Heathrow under $600. A good price for a nonstop flight from San Francisco to Heathrow is less than $600.

Are there last-minute flights available from San Francisco to Heathrow for under $800?

There are currently 3+ open flights from San Francisco to Heathrow within the next 7 days for less than $800.

How popular is this flight route?

The San Francisco to London Heathrow flight path was viewed by 28 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for British Airways, as currently they have the cheapest options available from San Francisco to Heathrow. On average you can find 52 flights for this flight path daily.

Does it rain more in San Francisco or Heathrow?

In San Francisco, there will be less rainfall in San Francisco compared to Heathrow over the next 3 days.

Is San Francisco weather warmer or cooler than Heathrow?

Our data indicates that the weather will be 77 °F on average in the month of September. The temperature in Heathrow is typically colder than in San Francisco. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

Alternative routes for San Francisco to Heathrow

Destination information for Heathrow

Things to know before you go. Useful info for your trip from San Francisco to Heathrow
Today's exchange rate
$1 = £0.80
Average temperature for June in Heathrow
69.8 °F
Avg rainfall for June in Heathrow
1.8 ″

Airports servicing San Francisco

Airports servicing London