$506 Cheap British Airways flights Chicago (ORD) to Cork (ORK)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap British Airways return flights from $623 from ORD to ORK. Affordable one-way options from $506 are also on offer.**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.

Look for British Airways flights from ORD to ORK about one month before you want to leave. The cheapest time to book an international flight is usually 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or fare class, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save an average of 17% 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 find the earliest departure from ORD to ORK with British Airways, filter your search by "Early Morning" and "Morning." Booking an early flight usually 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.

British Airways makes traveling from ORD to ORK enjoyable with top-tier customer service and an excellent in-flight experience. You could even start earning points with British Airways Executive Club. Make sure you sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.