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

Return flights

13 Sep - 20 Sep	Norwegian
14 Sep - 21 Sep	Norwegian Air Sweden AOC
15 Sep - 22 Sep	Norwegian Air Sweden AOC
10 Sep - 17 Sep	Norwegian
22 Sep - 29 Sep	Norwegian
08 Sep - 15 Sep	Ryanair
03 Sep - 10 Sep	Ryanair
05 Sep - 12 Sep	Ryanair
02 Sep - 09 Sep	Norwegian
17 Sep - 24 Sep	Norwegian
29 Sep - 06 Oct	Ryanair
24 Sep - 01 Oct	Ryanair
30 Sep - 07 Oct	Turkish Airlines
25 Sep - 02 Oct	Norwegian
26 Sep - 03 Oct	Scandinavian Airlines
19 Sep - 04 Oct	Norwegian
27 Sep - 04 Oct	Ryanair
28 Sep - 05 Oct	Scandinavian Airlines
27 Sep - 12 Oct	Qatar Airways

Also check the deals for one-way flights from Oslo to Taipei 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 Oslo to Taipei in September from 533€

Return flights