Cheapest return flights from Chicago to Sofia in May from $536

Best time to book flights for Chicago (ORD) to Sofia (SOF) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Sofia (SOF) in May 2025 (see full year).

Return flights

06 May - 12 May Turkish Airlines
09 May - 31 May LOT
09 May - 28 May LOT
14 May - 26 May Air Serbia
03 May - 10 May Turkish Airlines
10 May - 31 May LOT
12 May - 31 May LOT
19 May - 31 May LOT
17 May - 31 May LOT
14 May - 31 May LOT
14 May - 01 Jun LOT
14 May - 02 Jun LOT
14 May - 03 Jun LOT
20 May - 29 Jun Spirit Airlines
26 May - 29 Jun Air Serbia
21 May - 29 Jun Air Serbia
22 May - 29 Jun LOT

Also check the deals for one-way flights from Chicago to Sofia in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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