AirHint found the following cheapest return flights from Oslo (OSL) to Buenos Aires (AEP) in October 2025 (see full year).
Return flights
| 06 Oct - 19 Oct | LATAM Airlines Group | ||
| 05 Oct - 13 Oct | Lufthansa | ||
| 05 Oct - 20 Oct | Lufthansa | ||
| 09 Oct - 23 Oct | Lufthansa | ||
| 26 Oct - 29 Oct | British Airways | ||
| 09 Oct - 26 Oct | Lufthansa | ||
| 19 Oct - 26 Oct | Lufthansa |
Also check the deals for one-way flights from Oslo to Buenos Aires in October.
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.
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