Cheapest return flights from Chicago to Sofia in March from $671

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

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

Return flights

18 Mar - 25 Mar KLM
21 Mar - 07 Apr KLM
22 Mar - 07 Apr KLM
15 Mar - 06 Apr Air France
19 Mar - 06 Apr KLM
20 Mar - 06 Apr Frontier Airlines
22 Mar - 06 Apr KLM
18 Mar - 05 Apr KLM
27 Mar - 29 Mar Frontier Airlines
18 Mar - 04 Apr Frontier Airlines
21 Mar - 06 Apr KLM
15 Mar - 21 Mar Air France

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

Skyscanner

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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