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

Return flights

30 Sep - 13 Oct	Pegasus Airlines
18 Sep - 21 Sep	Pegasus Airlines
20 Sep - 26 Sep	Flynas
19 Sep - 21 Sep	Pegasus Airlines
21 Sep - 24 Sep	Pegasus Airlines
22 Sep - 24 Sep	Etihad Airways
18 Sep - 22 Sep	Pegasus Airlines
15 Sep - 23 Sep	Pegasus Airlines
19 Sep - 26 Sep	Pegasus Airlines
15 Sep - 22 Sep	Pegasus Airlines
15 Sep - 05 Oct	Pegasus Airlines
20 Sep - 26 Sep	Qatar Airways	direct
15 Sep - 05 Oct	Qatar Airways	direct
30 Sep - 13 Oct	Qatar Airways	direct

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

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 Doha to Lisbon in September from 429€

Return flights