Cheapest return SDR–OTP flights, September

AirHint found the following cheapest return flights from Santander (SDR) to Bucharest (OTP) in September 2026 (see full year).

Return flights

07 Sep - 25 Sep Wizz Air Malta
28 Sep - 12 Oct Wizz Air Malta direct
14 Sep - 18 Sep Wizz Air Malta
14 Sep - 28 Sep Wizz Air Malta
11 Sep - 16 Sep Wizz Air Malta
14 Sep - 21 Sep Wizz Air Malta
13 Sep - 20 Sep Ryanair
11 Sep - 15 Sep Wizz Air Malta
04 Sep - 07 Sep Wizz Air Malta
03 Sep - 04 Sep Ryanair

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

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