AirHint found the following cheapest one-way flights from Lisbon (LIS) to Oslo (OSL) in September 2026 (see full year).
One-Way flights
| 29 Sep | Ryanair | ||
| 01 Sep | Ryanair | ||
| 02 Sep | Norwegian | direct | |
| 26 Sep | Iberia | ||
| 13 Sep | TAP | direct | |
| 26 Sep | TAP | direct | |
| 29 Sep | TAP | direct | |
| 01 Sep | TAP | direct | |
| 20 Sep | Norwegian Air Sweden AOC |
Also check the deals for return flights from Lisbon to Oslo in September.
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