Cheapest return flights from Chicago to Bucharest in September from $499

AirHint found the following cheapest return flights from Chicago (ORD) to Bucharest (OTP) in September 2025 (see full year).

Return flights

13 Sep - 27 Sep Scandinavian Airlines
10 Sep - 24 Sep Turkish Airlines
09 Sep - 16 Sep Turkish Airlines
23 Sep - 30 Sep Turkish Airlines
30 Sep - 07 Oct Turkish Airlines
08 Sep - 15 Sep Turkish Airlines

Also check the deals for one-way flights from Chicago to Bucharest in September.

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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