Cheapest return flights from Chicago to Bucharest in October from 457€

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

Return flights

26 Oct - 07 Nov Lufthansa
19 Oct - 19 Nov Lufthansa
28 Oct - 04 Nov Lufthansa
29 Oct - 05 Nov SWISS
19 Oct - 08 Nov SWISS
30 Oct - 06 Nov Lufthansa
21 Oct - 15 Nov Air France
31 Oct - 07 Nov WestJet
20 Oct - 27 Oct Frontier Airlines

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

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