Title: $537 Cheap Lufthansa flights Chicago (ORD) to Sofia (SOF) - Expedia.com ![](https://images.trvl-media.com/place/6097820/e84c7119-8c1f-4bb6-91b5-7cb881e80956.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6097820/e84c7119-8c1f-4bb6-91b5-7cb881e80956.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $537 Cheap Lufthansa flights Chicago (ORD) to Sofia (SOF) [View $537 flight on Tue, Aug 4, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:ORD,to:SOF,departure:8/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:536.34&airProductToken=AQplCjAIzJABEgM0MzUYrhwgjBUogJyUAzD-n5QDOFNAAFgBagVFTFQwMHIIU0xFNTBUQlEKMQjMkAESBDE3MDQYjBUg0isomaGUAzCMopQDOFNAAFgBagVFTFQwMHIIU0xFNTBUQlESCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAL) ## $537 Cheap Lufthansa flights Chicago (ORD) to Sofia (SOF) Prices were available within the past 7 days and start at $537 for one-way flights and $779 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Apr 28 - Wed, May 6 ORD Chicago SOF Sofia $779 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SOF,departure:4/28/2026TANYT&leg2=from:SOF,to:ORD,departure:5/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:778.23&airProductToken=AQprCjMIzJABEgM0MzUYrhwgjBUowM2LAzC-0YsDOExAAFgBaghFQ09MSUdIVHIITExYODZUQlEKNAjMkAESBDE3MDYYjBUg0iso7NSLAzDf1YsDOExAAVgBaghFQ09MSUdIVHIITExYODZUQlEKawo0CMyQARIEMTQyNxjSKyClBCiKoIwDMKChjAM4TEAAWAFqCEVDT0xJR0hUcghMTFg4NlRCUQozCMyQARIDNDMyGKUEIK4cKJiijAMw16aMAzhMQAFYAWoIRUNPTElHSFRyCExMWDg2VEJREgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) ## Alternative airports near Sofia Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:SOF,departure:4/15/2026TANYT&leg2=from:SOF,to:ORD,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SOF Sofia Airport CheapestClosest 11 min [Flights from $770 ](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:SOF,departure:4/15/2026TANYT&leg2=from:SOF,to:ORD,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Chicago (ORD) to Sofia (SOF) ### March is typically the cheapest month to fly From $534 - $1,301 per traveler. ## Frequently asked questions ### How much is a Lufthansa flight from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF)? ### What is the cheapest month to fly from ORD to SOF with Lufthansa? ### What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF) with Lufthansa? ### Does Lufthansa fly nonstop from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF)? ### What is the earliest Lufthansa flight from ORD to SOF? ### What airports does Lufthansa fly into in Sofia? ### What kind of luggage can I take on a Lufthansa flight from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF)? ### Why fly with Lufthansa from ORD to SOF? ### Can I change or cancel my Lufthansa flight from O'Hare Intl. Airport (ORD) to Sofia Airport (SOF)? ## Travel information | Origin airport | O'Hare Intl. | | ------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Sofia | | Airlines serving | Air Canada, Air France, Air Serbia, Austrian Airlines, British Airways, Emirates, ITA Airways, Iberia, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United | | Popular airline | Lufthansa | | Distance | 5197 mi | \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - Lodging - Packages - Cars - [Hotels near Sofia Airport Terminal 2 Station ](https://www.expedia.com/Sofia-Airport-Terminal-2-Station-Hotels.d6345199.Travel-Guide-Hotels) - [Gay friendly Hotels in Slatina ](https://www.expedia.com/Slatina-Sofia-Hotels-LGBT-Welcoming-Hotel.0-n553248635974587263-0-tLGBTWelcomingHotel.Travel-Guide-Filter-Hotels) - 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