$409 Cheap British Airways flights San Jose (SJC) to London (LHR)

Grab budget-friendly return British Airways flights from $687 from SJC to LHR by sorting your results from “Price (lowest to highest)” on Expedia. Or search for deals from $409 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

British Airways flights to London tend to be more affordable in the low-season months of January and February. Whether you’re searching for a one-way or a return ticket, you could find a better deal then.

To grab cheap flights from SJC to LHR with British Airways, start your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To find out if there’s a direct trip from SJC to LHR with British Airways or any other carriers, check the “Nonstop” box when looking for flights.

To find the earliest departure from SJC to LHR with British Airways, sort your results by “Early Morning” and “Morning.” Choosing an early flight usually means you’ll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

British Airways flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to London come in to Heathrow Airport (LHR). This is the main gateway to this destination.

For checked luggage, you can take 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also travel with 2 cabin bags on board when flying standard economy from SJC to LHR with British Airways. This carry-on should weigh less than 50 lb and be no bigger than 19 inches x 9 inches x 17 inches. Going above these limits can mean additional fees, so read British Airways’s baggage allowance policies before you start packing.

With a 4-star airline rating and top-tier customer service, British Airways is a top choice for many passengers heading from SJC to LHR. What’s more, if you’re a British Airways Executive Club and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

In most cases, you can cancel or modify your flight, although there may be additional charges if your booking was made more than 24 hours ago. Need flexible options? Use our “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you need to adjust your plans. To make modifications, go to “Trips,” select your flight and click on “Manage Booking” for more details.