AirHint found the following cheapest return flights from Lisbon (LIS) to Oslo (OSL) in December 2026 (see full year).
Return flights
| 04 Dec - 08 Dec | easyJet | ||
| 21 Dec - 28 Dec | TAP | direct | |
| 22 Dec - 28 Dec | TAP | direct | |
| 26 Dec - 02 Jan | TAP | direct | |
| 29 Dec - 02 Jan | TAP | ||
| 04 Dec - 08 Dec | TAP | direct |
Also check the deals for one-way flights from Lisbon to Oslo in December.
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