Cheapest return flights from Bucharest to Lisbon in September from $179

Best time to book flights for Bucharest (OTP) to Lisbon (LIS) flights at AirHint

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

Return flights

29 Sep - 03 Oct Ryanair
23 Sep - 30 Sep Ryanair
17 Sep - 24 Sep Ryanair
16 Sep - 24 Sep Ryanair
17 Sep - 29 Sep Ryanair
17 Sep - 19 Sep Ryanair
27 Sep - 03 Oct Ryanair
10 Sep - 17 Sep Lufthansa
09 Sep - 17 Sep Lufthansa
24 Sep - 03 Oct Aeroitalia
04 Sep - 18 Sep Lufthansa
24 Sep - 30 Sep Aeroitalia
11 Sep - 16 Sep Ryanair
25 Sep - 01 Oct Ryanair
25 Sep - 02 Oct Ryanair
27 Sep - 02 Oct Ryanair
24 Sep - 01 Oct Aeroitalia
26 Sep - 03 Oct Ryanair
26 Sep - 01 Oct Ryanair
26 Sep - 02 Oct Ryanair

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

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.

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