$433 Cheap British Airways flights Chicago (ORD) to Thira (JTR)

Landing cheap one-way British Airways flights from ORD to JTR from $433 on Expedia is simple — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $653 for your next exciting adventure.**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.

February is one of the most affordable months to jet off to Santorini with British Airways. You could also find fantastic deals on one-way and round-trip tickets in January.

Start your search for British Airways flights from ORD to JTR about one month before you want to leave. The most affordable time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of ticket type or itinerary, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.**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 ORD to JTR with British Airways or any other airlines, select the “Nonstop” filter when browsing for tickets.

To find the earliest departure from ORD to JTR with British Airways, sort your results by “Morning” and “Early Morning.” Choosing an early flight generally means cancellations are less likely.**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.

Santorini National Airport (JTR) is the main Santorini gateway for British Airways flights from O’Hare Intl. Airport (ORD).

British Airways lets passengers bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches on standard economy flights from ORD to JTR. Additionally, you can take 2 cabin bags in the cabin. This carry-on luggage must not exceed 19 inches x 9 inches x 17 inches and be no heavier than 50 lb. Baggage allowances can differ depending on the fare type and cabin class, so check your booking or British Airways’s website to avoid extra fees at the airport.

Heading from ORD to JTR with British Airways comes with plenty of perks, such as an excellent in-flight experience and top-tier customer service. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That’s in addition to 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.

It’s usually possible to cancel or change your flight, although additional fees may apply if your booking was made more than 24 hours ago. Need flexible options? Make use of our “No cancel fee” and “Changes included” filters to find flights that won’t charge you extra if you have to adjust your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for further information.