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

Return flights

01 Oct - 15 Oct	transavia
05 Oct - 08 Oct	transavia	direct
23 Oct - 30 Oct	transavia	direct
12 Oct - 19 Oct	transavia	direct
05 Oct - 09 Oct	transavia
01 Oct - 15 Oct	transavia	direct
06 Oct - 10 Oct	transavia
05 Oct - 09 Oct	transavia	direct
04 Oct - 08 Oct	transavia	direct
09 Oct - 23 Oct	transavia
30 Oct - 02 Nov	transavia
31 Oct - 02 Nov	transavia
31 Oct - 03 Nov	transavia
30 Oct - 02 Nov	transavia	direct

Also check the deals for one-way flights from Rotterdam 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.

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Cheapest return flights from Rotterdam to Lisbon in October from 176€

Return flights