AirHint found the following cheapest return flights from Phuket (HKT) to Oslo (OSL) in September 2025 (see full year).

Return flights

21 Sep - 28 Sep	Oman Air
02 Sep - 23 Sep	Thai VietJet Air
04 Sep - 11 Sep	Thai AirAsia
11 Sep - 18 Sep	Thai AirAsia
15 Sep - 22 Sep	IndiGo
16 Sep - 23 Sep	IndiGo
04 Sep - 08 Sep	Thai AirAsia
14 Sep - 21 Sep	IndiGo
12 Sep - 19 Sep	Thai AirAsia
22 Sep - 29 Sep	IndiGo
29 Sep - 06 Oct	IndiGo
24 Sep - 01 Oct	IndiGo
28 Sep - 05 Oct	IndiGo
26 Sep - 03 Oct	IndiGo
30 Sep - 07 Oct	IndiGo
27 Sep - 04 Oct	IndiGo

Also check the deals for one-way flights from Phuket to Oslo in September.

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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Cheapest return flights from Phuket to Oslo in September from 606€

Return flights