Cheap Flights from London (LHR) to San Carlos (SQL)

Popular airlines from Heathrow Airport (LHR) to San Carlos, CA (SQL)

Alternative airports near San Carlos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $504
SFO
San Francisco Intl.
Cheapest
Average driving time to city center16 min
Flights from $504
Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 26 minutes. Flights from $676
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center26 min
Flights from $676
Select flight to Oakland Intl. OAK. Average driving time to city center is 32 minutes. Flights from $721
OAK
Oakland Intl.
Average driving time to city center32 min
Flights from $721

Frequently asked questions

How much does a flight from Heathrow Airport (LHR) to San Carlos Airport (SQL) cost?
Grab a cheap one-way flight or cheap return flight from Heathrow Airport (LHR) to San Carlos Airport (SQL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Heathrow Airport (LHR) to San Carlos Airport (SQL)?
is the most affordable month to fly from LHR to SQL. Timing your trip outside of the busy season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Heathrow Airport (LHR) to San Carlos Airport (SQL)?
To find the cheapest airline flying from LHR to SQL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Heathrow Airport (LHR) to San Carlos Airport (SQL)?
Direct flights from Heathrow Airport (LHR) to San Carlos Airport (SQL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LHR to SQL?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Heathrow Airport (LHR) to San Carlos Airport (SQL)?
To avoid possible delays on the Heathrow Airport (LHR) to San Carlos Airport (SQL) route, travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Francisco from Heathrow Airport (LHR)?
San Francisco Intl. Airport (SFO) is the only airport in San Francisco with direct flights from Heathrow Airport (LHR). Explore the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Heathrow Airport (LHR) to San Carlos Airport (SQL) last-minute?
Waiting until just before your trip to book your flight from LHR to SQL often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Keep your travel plans flexible to maximize your chances of snagging a bargain.
Is it cheaper to book a LHR to SQL flight and hotel package?
Securing a LHR to SQL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Heathrow Airport (LHR) to San Carlos Airport (SQL)?
If you reserved your LHR to SQL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
San Carlos
Distance
5356 mi

Book with confidence

London to San Carlos Flights

The cheapest times to fly from London to San Carlos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to San Carlos are during the month of . You can find some of the cheapest flights from London to San Carlos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to San Carlos

Sunday is one of the best days to book for cheap flights from London to San Carlos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to San Carlos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to San Carlos in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to San Carlos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to San Carlos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

London to San Carlos Flights

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*Available to One Key members.