Cheapest return flights from Chicago to Bucharest in May from 615€

AirHint found the following cheapest return flights from Chicago (ORD) to Bucharest (OTP) in May 2026 (see full year).

Return flights

02 May - 09 May KLM
05 May - 27 May Turkish Airlines
13 May - 27 May Delta
18 May - 10 Jun Icelandair
04 May - 07 May Turkish Airlines
26 May - 02 Jun Scandinavian Airlines
16 May - 30 May Spirit Airlines
16 May - 23 May jetBlue
20 May - 25 May Turkish Airlines

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

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