Cheapest return flights from Oslo to Lisbon in September from $138

Best time to book flights for Oslo (OSL) to Lisbon (LIS) flights at AirHint

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

Return flights

09 Sep - 16 Sep easyJet
23 Sep - 30 Sep easyJet
29 Sep - 01 Oct easyJet
29 Sep - 03 Oct easyJet
24 Sep - 29 Sep easyJet
30 Sep - 07 Oct easyJet
07 Sep - 15 Sep Air France
21 Sep - 27 Sep TAP direct
10 Sep - 14 Sep easyJet
24 Sep - 27 Sep Ryanair
25 Sep - 02 Oct easyJet
05 Sep - 10 Sep Volotea
17 Sep - 27 Sep Vueling Airlines
05 Sep - 07 Sep Volotea
30 Sep - 07 Oct TAP direct
17 Sep - 02 Oct Vueling Airlines
24 Sep - 02 Oct Vueling Airlines
20 Sep - 02 Oct Vueling Airlines
15 Sep - 02 Oct Vueling Airlines
24 Sep - 09 Oct Vueling Airlines

Also check the deals for one-way flights from Oslo 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