Cheapest return flights from Chicago to Bucharest in May from $687

Best time to book flights for Chicago (ORD) to Bucharest (OTP) flights at AirHint

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

Return flights

12 May - 14 May Condor
27 May - 10 Jun Spirit Airlines
19 May - 03 Jun Spirit Airlines
17 May - 31 May Spirit Airlines
29 May - 01 Jun Scandinavian Airlines
27 May - 03 Jun United
25 May - 01 Jun United
29 May - 05 Jun United
31 May - 07 Jun United

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Bucharest

Cheap car rent in Bucharest