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

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

All the information you need to plan the best SFO to LHR flight in 2022: compare San Francisco to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.
SFO - LHR
Price
$422 - $691
LHR
Temperature
39.2 - 62.6 °F
LHR
Precipitation
1.6 - 2.8 inches

Popular in

December

High demand for flights, 26% potential price rise

Cheapest in

February

Best time to find cheap flights, 18% potential price drop

Round-trip from

$422

From San Francisco to London Heathrow

One-way from

$289

One-way flight from San Francisco to London Heathrow

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from San Francisco to London Heathrow Airport?

Find a great deal and save up to 79% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from San Francisco to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at $701.

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

The best pricing can be found in the month of February. Prices to London Heathrow Airport from San Francisco average $510. You can even find prices in February for less than $510, as users have found deals to London Heathrow Airport from as low as $369. The month of December appears to be one of the more expensive times to travel to London Heathrow Airport from San Francisco. Flying in the targeted month can save you up to 37%.

When is the cheapest time to fly from San Francisco to London Heathrow Airport (SFO - LHR)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to London Heathrow Airport as you normally would.

Cheap flights from San Francisco to Heathrow in January, February 2022

The best prices found for SFO to LHR flights for January, February
27 Jan - 30 Jan
$394pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
17 Feb - 24 Feb
$397pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
27 Jan - 30 Jan
$399pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco

San Francisco to Heathrow 2022 flight deals

Cheap flights to Heathrow from San Francisco found for this year
27 Jan - 30 Jan
$394pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
17 Feb - 24 Feb
$397pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
27 Jan - 30 Jan
$399pp
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
17 Mar - 21 Mar
$535pp
SFO
San Francisco
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
SFO
San Francisco
10 Feb - 3 Mar
$536pp
SFO
San Francisco
Virgin Atlantic
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Virgin Atlantic
Non-Stop
SFO
San Francisco
9 Mar - 27 Mar
$553pp
SFO
San Francisco
Multiple Airlines
Non-Stop
LHR
London Heathrow
LHR
London Heathrow
Finnair
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
3 Feb - 17 Feb
$453pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
3 Feb - 17 Feb
$455pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco
3 Feb - 11 Feb
$456pp
SFO
San Francisco
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
SFO
San Francisco

One-way flights to Heathrow from San Francisco

The cheapest one-way flights from San Francisco to Heathrow
11:10 am - 5:35 am
Iberia
Nonstop
10h 25m
SFO - LHR
Iberia
$289
SnapTravelAir
11:40 am - 12:30 pm
TAP AIR PORTUGAL
1 Stop
16h 50m
SFO - LHR
TAP AIR PORTUGAL
$300
FlightNetwork
2:45 pm - 4:35 am
Multiple Airlines
2 Stops
29h 50m
SFO - LHR
Multiple Airlines
$301
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Heathrow</span> flights.

Flight FAQs

From San Francisco to Heathrow

What airport do you fly from for flights from San Francisco to London Heathrow?

San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to London Heathrow. You should not have trouble finding flights to London Heathrow from San Francisco; the airport handles an average of 17 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 23 airlines have flights from the San Francisco airport to London Heathrow. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

Which airlines flying from San Francisco to London Heathrow have flexible cancellations due to COVID-19?

United Airlines, Virgin Atlantic, and British Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from San Francisco to London Heathrow Airport for under $400 on Cheapflights?

Yes, there are multiple flights from San Francisco to London Heathrow Airport for under $400. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $397, but on average you can expect to pay $452.

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

Cheapflights has at least 20 direct flights from San Francisco to London Heathrow Airport under $600. A good price for a nonstop flight from San Francisco to London Heathrow Airport is less than $576.

Are there last-minute flights available from San Francisco to London Heathrow Airport for under $500?

There are currently 20+ open flights from San Francisco to London Heathrow Airport within the next 7 days for less than $500.

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

Our cheapest airline available from San Francisco to London Heathrow Airport is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $397 on this airline. An additional option worth looking into is SAS, starting at $464. Users have found that TAP AIR PORTUGAL is 22% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from San Francisco to London Heathrow Airport are Iberia ($247), WestJet ($252), and TAP AIR PORTUGAL ($269).

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

When booking a flight from San Francisco to London Heathrow Airport, you may want to consider flying on Major Airline, American Airlines or Air Canada as they are the most popular for this route.

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

Looking for the cheapest flight from San Francisco to London Heathrow Airport? While on average our users pay $1,732, our data indicates the cheapest price to be $195. The most popular route (San Francisco - London Heathrow), is priced around $397.

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

Consider Air Canada (90%), Austrian Airlines (90%) or United Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to London Heathrow Airport.

Related searches

Flights to Heathrow from San Francisco (SFO)
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Rent a Car

Car Rentals at Heathrow Car Rentals in England

COVID Restrictions

View COVID Travel Restrictions for Heathrow (LHR)

Do I need a COVID test to fly to Heathrow from San Francisco?

Information is based on travel restrictions from San Francisco to London Heathrow

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter London Heathrow.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 48 hours before departing to London Heathrow.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering London Heathrow.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Do I need a test to fly back to San Francisco from Heathrow?

Returning to San Francisco from London Heathrow

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Francisco.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Heathrow (LHR)

Alternative routes for San Francisco to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Heathrow

Things to know before you go - useful duration and weather info for your trip from San Francisco to Heathrow.
Today's exchange rate
$1 = £0.75
Average temperature for January in Heathrow
48.2 °F
Avg rainfall for January in Heathrow
2.1 ″

Airports servicing San Francisco

Airports servicing London

Top 10 airlines flying from San Francisco to London Heathrow

The chart below displays the airlines Cheapflights users traveling from San Francisco to Heathrow choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
TAP AIR PORTUGAL
$223 $573 No cancel fee N/A
Brussels Airlines
$327 $596 No cancel fee N/A
Finnair
$347 $601 No cancel fee 76%
Icelandair
$353 $1,242 No cancel fee 76%
Lufthansa
$356 $630 No cancel fee 76%
American Airlines
$363 $665 No cancel fee 71%
Air Canada
$374 $680 No cancel fee 67%
KLM
$375 $628 No cancel fee 75%
Air France
$377 $578 No cancel fee 77%
Austrian Airlines
$379 $792 No cancel fee 78%

Hourly flight availability from San Francisco to Heathrow

See what time of day planes typically take off from San Francisco towards Heathrow.
Afternoon Noon to 6 PM 92% of SFO to LHR departures
Evening 6 PM to midnight 7% of SFO to LHR departures
Early morning Midnight to 6 AM 1% of SFO to LHR departures
Morning 6 AM to noon 0% of SFO to LHR departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco to Heathrow
See how many times per day planes take to the skies headed from San Francisco to Heathrow.
Sunday
17 daily flights
Monday
17 daily flights
Tuesday
13 daily flights
Wednesday
23 daily flights
Thursday
13 daily flights
Friday
22 daily flights
Saturday
18 daily flights
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