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

Return flights

05 Sep - 09 Sep	Hainan Airlines
02 Sep - 09 Sep	Greater Bay Airlines
17 Sep - 24 Sep	Hainan Airlines
02 Sep - 15 Sep	Greater Bay Airlines
05 Sep - 21 Sep	Hainan Airlines
08 Sep - 11 Sep	Hainan Airlines
11 Sep - 17 Sep	HK Express
04 Sep - 11 Sep	Thai AirAsia
09 Sep - 17 Sep	Greater Bay Airlines
15 Sep - 22 Sep	Scoot
27 Sep - 01 Oct	Thai VietJet Air
24 Sep - 12 Oct	AirAsia X
25 Sep - 09 Oct	AirAsia X
30 Sep - 21 Oct	Batik Air Malaysia
25 Sep - 05 Oct	AirAsia X
24 Sep - 06 Oct	AirAsia X
25 Sep - 07 Oct	AirAsia X
16 Sep - 01 Oct	Tigerair Taiwan
21 Sep - 03 Oct	China Southern
25 Sep - 10 Oct	AirAsia X

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 $885

Return flights