Cheapest return flights from Chicago to Bucharest in March from 390€

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

Return flights

09 Mar - 16 Mar Frontier Airlines
10 Mar - 17 Mar Frontier Airlines
12 Mar - 19 Mar Frontier Airlines
01 Mar - 08 Mar Frontier Airlines
02 Mar - 09 Mar Lufthansa
11 Mar - 18 Mar Lufthansa
31 Mar - 14 Apr Lufthansa
07 Mar - 14 Mar Lufthansa
28 Mar - 11 Apr Lufthansa
21 Mar - 26 Mar Air Serbia
13 Mar - 20 Mar Frontier Airlines
22 Mar - 29 Mar Lufthansa

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

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