$139 Cheap British Airways flights London (LHR) to Thira (JTR)

Use the “Price (lowest to highest)” filter on Expedia to find cheap British Airways round-trip flights from $255 from LHR to JTR. Affordable one-way tickets from $139 are also available.**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.

Browse for return or one-way flights to Santorini in February or January. You could find lower fares with British Airways during these quieter months.

Getting the best British Airways deals from LHR to JTR often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better yet, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s a good idea to start searching for flights about one month before your travel dates.*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 figure out if there’s a direct journey from LHR to JTR with British Airways or another carrier, select the “Nonstop” filter when browsing for flights.

Sort your results by “Morning” and “Early Morning” to see the earliest departures from LHR to JTR. Setting off early means you’re less likely to experience 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.

Catch a British Airways flight from Heathrow Airport (LHR) to Santorini, and you’ll likely touch down at Santorini National Airport (JTR). This is the airline’s primary hub in this city.

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 bring 2 cabin bags on board when flying standard economy from LHR to JTR with British Airways. This carry-on has to weigh less than 50 lb and be no larger than 19 inches x 9 inches x 17 inches. Going above these limits can mean extra charges, so check British Airways’s baggage allowance policies before you start packing.

Jetting off from LHR to JTR with British Airways means enjoying plenty of perks, including top-tier customer service and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That’s on top of the British Airways Executive Club points you can earn with British Airways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee is typically charged if you cancel or change your booking more than 24 hours after it’s confirmed. To find plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when you search for flights. To learn more about modifying or canceling your reservation, visit “Trips,” select your flight and click on “Manage Booking.”