$356 Cheap British Airways flights Chicago (ORD) to Billund (BLL)

Set the "Price (lowest to highest)" filter on Expedia to find cheap British Airways return flights from $489 from ORD to BLL. Affordable one-way options from $356 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.

To grab cheap flights from ORD to BLL with British Airways, begin searching about one month before your planned 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 useful 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.

Search British Airways's earliest flights from ORD to BLL by checking the "Early Morning" and "Morning" filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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 flying from ORD to BLL more enjoyable with a 4-star airline rating and top-tier customer service. You even have the chance to collect points with British Airways Executive Club. Be sure to join our 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.