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

Return flights

20 Oct - 24 Oct	Ryanair
06 Oct - 08 Oct	Ryanair
03 Oct - 07 Oct	Wizz Air Malta
01 Oct - 08 Oct	Ryanair
03 Oct - 08 Oct	Wizz Air Malta
06 Oct - 10 Oct	Ryanair
06 Oct - 13 Oct	Ryanair
09 Oct - 16 Oct	Ryanair
13 Oct - 15 Oct	Ryanair
28 Oct - 06 Nov	Ryanair
30 Oct - 04 Nov	Wizz Air Malta
17 Oct - 20 Oct	Wizz Air Malta
28 Oct - 04 Nov	Wizz Air Malta
28 Oct - 08 Nov	Ryanair
27 Oct - 04 Nov	Ryanair
31 Oct - 11 Nov	Ryanair
29 Oct - 02 Nov	Wizz Air Malta
28 Oct - 01 Nov	Wizz Air Malta
28 Oct - 02 Nov	Ryanair
25 Oct - 01 Nov	Air Serbia

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

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 Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Bucharest to Lisbon in October from 135€

Return flights