AirHint found the following cheapest one-way flights from Lisbon (LIS) to Oslo (OSL) in September 2026 (see full year).
One-Way flights
| 30 Sep | easyJet | ||
| 26 Sep | KLM | ||
| 14 Sep | KLM | ||
| 03 Sep | KLM | ||
| 29 Sep | Iberia | ||
| 14 Sep | TAP | direct | |
| 02 Sep | Norwegian | direct | |
| 22 Sep | TAP | direct | |
| 15 Sep | TAP | direct | |
| 26 Sep | TAP | direct |
Also check the deals for return flights from Lisbon to Oslo in September.
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