Cheapest return flights from Bucharest to Barcelona in September from $135

Best time to book flights for Bucharest (OTP) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Bucharest (OTP) to Barcelona (BCN) in September 2025 (see full year).

Return flights

28 Sep - 03 Oct Wizz Air Malta direct
28 Sep - 15 Oct Wizz Air Malta direct
28 Sep - 11 Oct Wizz Air Malta direct
28 Sep - 17 Oct Wizz Air Malta direct
28 Sep - 10 Oct Wizz Air Malta direct
24 Sep - 03 Oct Wizz Air Malta direct
30 Sep - 21 Oct Wizz Air Malta direct
30 Sep - 03 Oct Wizz Air Malta direct
28 Sep - 06 Oct Wizz Air Malta direct
28 Sep - 07 Oct Wizz Air Malta direct
17 Sep - 24 Sep FlyOne (Romania)
24 Sep - 25 Sep Wizz Air Malta direct
23 Sep - 26 Sep Ryanair
28 Sep - 29 Sep Wizz Air Malta direct
16 Sep - 23 Sep Ryanair
18 Sep - 25 Sep Ryanair
25 Sep - 30 Sep Ryanair
15 Sep - 18 Sep Ryanair
20 Sep - 24 Sep FlyOne (Romania)
15 Sep - 22 Sep Ryanair

Also check the deals for one-way flights from Bucharest to Barcelona in September.

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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.

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