Cheapest return flights from Chicago to Bucharest in June from $645

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

Return flights

01 Jun - 15 Jun Air Serbia
15 Jun - 22 Jun Air Serbia
13 Jun - 20 Jun Air Serbia
14 Jun - 21 Jun WestJet
11 Jun - 18 Jun HiSky Europe
17 Jun - 24 Jun Air Serbia
12 Jun - 19 Jun LOT
16 Jun - 23 Jun Condor

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

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