Cheapest one-way flights from Chicago to Sofia in May from 411€

AirHint found the following cheapest one-way flights from Chicago (ORD) to Sofia (SOF) in May 2026 (see full year).

One-Way flights

27 May Icelandair
04 May Turkish Airlines
07 May Turkish Airlines
20 May United
31 May United

Also check the deals for return flights from Chicago to Sofia in May.

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