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

Return flights

17 Sep - 24 Sep	Thai VietJet Air
22 Sep - 02 Oct	Hainan Airlines
18 Sep - 23 Sep	Thai Lion Air
17 Sep - 16 Oct	Thai VietJet Air
21 Sep - 03 Oct	Thai VietJet Air
30 Sep - 21 Oct	AirAsia X
30 Sep - 11 Oct	Thai VietJet Air
22 Sep - 30 Sep	Hainan Airlines
30 Sep - 13 Oct	Thai Lion Air
23 Sep - 29 Sep	Scoot
24 Sep - 08 Oct	Scoot
26 Sep - 14 Oct	Thai AirAsia
17 Sep - 30 Sep	Thai VietJet Air
19 Sep - 28 Sep	Thai VietJet Air
22 Sep - 23 Sep	Thai VietJet Air
21 Sep - 05 Oct	Thai VietJet Air
21 Sep - 28 Sep	Thai VietJet Air
23 Sep - 30 Sep	Thai VietJet Air
28 Sep - 07 Oct	Thai VietJet Air
19 Sep - 29 Sep	Thai VietJet Air

Also check the deals for one-way flights from Taipei to Keflavik 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 Taipei to Keflavik in September from 919€

Return flights