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

SFO — LHR
Feb 12 — Feb 191

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 2023: compare San Francisco to Heathrow flight prices with the expected peak season, weather and rainfall in Heathrow.

SFO - LHR

Price

$624 - $1,131

LHR

Temperature

39.2 - 62.6 °F

LHR

Rainfall

1.6 - 2.8 inches

Popular inJulyHigh demand for flights, 28% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 24% potential price drop
Round-trip from$624From San Francisco to London Heathrow
One-way from$329One-way flight from San Francisco to London Heathrow

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

Find a great deal and save up to 11% by booking at least 56 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 $949.

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 $812. You can even find prices in February for less than $812, as users have found deals to London Heathrow Airport from as low as $529. The month of July 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 38%.

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 February, March 2023

The best prices found for SFO to LHR flights for February, March

San Francisco to Heathrow 2023 flight deals

Cheap flights to Heathrow from San Francisco found for this year

Cheap British Airways flights from San Francisco to Heathrow

  • British Airways is one of the most popular airlines used for those traveling from San Francisco to London Heathrow Airport. Flights on this route from British Airways typically cost $952.68 RT, a price that is 63% more expensive than the average San Francisco to London Heathrow Airport flight. The cheapest flight found was $656 RT. The most popular departure airport in San Francisco when flying to London Heathrow Airport is San Francisco Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from San Francisco to London Heathrow Airport, British Airways flights are 8% more popular than any other airline flying that same route.

Cheap United Airlines flights from San Francisco to Heathrow

  • If you’re traveling from San Francisco to London Heathrow Airport, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $1,840.18 RT. This price is typically 34% more expensive than other airlines that offer San Francisco to London Heathrow Airport flights. When booking this route, the cheapest RT price found was $491. The most popular departure airport in San Francisco when flying to London Heathrow Airport is San Francisco Airport. The most popular airport to fly into when visiting London Heathrow Airport is London Heathrow Airport. When flying from San Francisco to London Heathrow Airport, United Airlines flights are 5% more popular than any other airline flying that same route.

Non-stop flights to Heathrow from San Francisco

Save time with San Francisco to Heathrow direct flight deals

Last minute flights from San Francisco to Heathrow

Late deals on return flights to Heathrow from San Francisco, departing today and this week

One-way flights to Heathrow from San Francisco

The cheapest one-way flights from San Francisco to Heathrow

Reviews of Airlines Servicing Heathrow

Delta
7.9
Good
2,088 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 10

Three hour flight and no food service options except a tiny bag of almonds. Aside from that it was a super pleasurable experience!!

Delta
7.9
Good
2,088 reviews
Delta
7.9
Good
2,088 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 10

Three hour flight and no food service options except a tiny bag of almonds. Aside from that it was a super pleasurable experience!!

SWISS
7.7
Good
318 reviews
Delta
7.9
Good
2,088 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 10

Three hour flight and no food service options except a tiny bag of almonds. Aside from that it was a super pleasurable experience!!

United Airlines
7.6
Good
1,213 reviews
Delta
7.9
Good
2,088 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 10

Three hour flight and no food service options except a tiny bag of almonds. Aside from that it was a super pleasurable experience!!

KLM
7.5
Good
120 reviews
Delta
7.9
Good
2,088 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 10

Three hour flight and no food service options except a tiny bag of almonds. Aside from that it was a super pleasurable experience!!

American Airlines
7.4
Good
1,684 reviews
Delta
7.9
Good
2,088 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

7.9

Food

7.2

Reviews

1 / 10

Three hour flight and no food service options except a tiny bag of almonds. Aside from that it was a super pleasurable experience!!

Related info for your journey

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

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 23 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 27 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, British Airways, and Lufthansa 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 $600 on Cheapflights?

Yes, there are multiple flights from San Francisco to London Heathrow Airport for under $600. The cheapest flight booked recently is on Scandinavian Airlines for just $516, but on average you can expect to pay $576.

Are there nonstop flights from San Francisco to London Heathrow Airport for under $700 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to London Heathrow Airport under $700. A good price for a nonstop flight from San Francisco to London Heathrow Airport is less than $643.

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

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

What days are nonstop flights available from San Francisco to London Heathrow Airport?

Nonstop flights can be found on the following days: Saturday.

How many flights depart from San Francisco to London Heathrow Airport on average per day?

On average, you can expect to see 4 flights from San Francisco to London Heathrow Airport a day.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from San Francisco to London Heathrow Airport?

For as low as $516, Scandinavian Airlines can have you in London Heathrow Airport from San Francisco in 12h 45m. The distance from San Francisco to London Heathrow Airport is about 5383 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $516 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Virgin Atlantic, starting at $526 and $570 round-trip. Users have found that Scandinavian Airlines is 37% 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 TAP AIR PORTUGAL ($212), Scandinavian Airlines ($299), and SWISS ($322).

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 Undisclosed Carrier, American Airlines or Air Canada as they are the most popular for this route.

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

Consider KLM (85%), Air France (85%) or Delta (85%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to London Heathrow Airport.

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 $2,951, our data indicates the cheapest price to be $453. The most popular route (San Francisco - London Heathrow), is priced around $512.

Alternative routes for San Francisco to Heathrow

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

Top 10 airlines flying from San Francisco to 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$10Average$20FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
TAP AIR PORTUGALCheapest$371Average$627FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest$389Average$605FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Scandinavian Airlines flights
Norwegian Air UKCheapest$393Average$755FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Norwegian Air UK flights
NorwegianCheapest$427Average$862FlexibilityNo cancel feeOn-time74%COVID-19 safety
Search Norwegian flights
Singapore AirlinesCheapest$491Average$1,840FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Singapore Airlines flights
IberiaCheapest$539Average$814FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
FinnairCheapest$567Average$779FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
Aer LingusCheapest$575Average$752FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
Alaska AirlinesCheapest$617Average$882FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights

Hourly flight availability from San Francisco to Heathrow

See what time of day planes typically take off from San Francisco to Heathrow
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
53%of flight departuresAfternoonNoon to 6 pm
46%of flight departuresEvening6 pm to midnight
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
Sunday21daily flights
Monday26daily flights
Tuesday21daily flights
Wednesday26daily flights
Thursday21daily flights
Friday26daily flights
Saturday26daily flights
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.