Cheapest one-way flights from Madrid to Lisbon in September from 18€

AirHint found the following cheapest one-way flights from Madrid (MAD) to Lisbon (LIS) in September 2025 (see full year).

One-Way flights

15 Sep Ryanair direct
08 Sep Ryanair direct
22 Sep Ryanair direct
16 Sep Ryanair direct
23 Sep Ryanair direct
24 Sep TAP direct
30 Sep TAP direct
29 Sep TAP direct
02 Sep TAP direct
11 Sep Ryanair direct

Also check the deals for return flights from Madrid 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.