$343 Cheap Lufthansa flights Chicago (ORD) to Sofia (SOF)

Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Lufthansa round-trip flights from $746 from ORD to SOF. Affordable one-way options from $343 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.

Scoring the best Lufthansa deals from ORD to SOF 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. As an added bonus, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search about one month before you want to travel.*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 Lufthansa's earliest flights from ORD to SOF by selecting our "Early Morning" and "Morning" filters. Not only will you arrive at 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.

Lufthansa makes flying from ORD to SOF more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Lufthansa Miles and More. Be sure to sign up to 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.