Cheapest return flights from Chicago to Bucharest in May from 690€

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

Return flights

12 May - 19 May KLM
22 May - 29 May Porter Airlines (Canada) Ltd
14 May - 21 May Delta
27 May - 04 Jun Delta
20 May - 26 May Delta
11 May - 18 May Condor
08 May - 15 May Delta
24 May - 02 Jun Delta
24 May - 01 Jun Delta

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

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