AirHint found the following cheapest return flights from Singapore (SIN) to Oslo (OSL) in September 2026 (see full year).
Return flights
| 06 Sep - 20 Sep | British Airways | ||
| 29 Sep - 13 Oct | British Airways | ||
| 23 Sep - 30 Sep | SWISS | ||
| 12 Sep - 26 Sep | Qatar Airways |
Also check the deals for one-way flights from Singapore to Oslo in September.
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