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

Return flights

30 Sep - 07 Oct	Icelandair
30 Sep - 13 Oct	Icelandair
28 Sep - 08 Oct	Alaska Airlines
24 Sep - 03 Oct	Alaska Airlines
22 Sep - 26 Sep	Alaska Airlines
26 Sep - 05 Oct	Alaska Airlines
24 Sep - 04 Oct	Icelandair
16 Sep - 11 Oct	Icelandair
10 Sep - 17 Sep	Icelandair
19 Sep - 26 Sep	Alaska Airlines
16 Sep - 19 Sep	Alaska Airlines
26 Sep - 04 Oct	Icelandair
11 Sep - 14 Sep	Icelandair
09 Sep - 14 Sep	Icelandair
18 Sep - 22 Sep	Alaska Airlines
05 Sep - 27 Sep	Icelandair

Also check the deals for one-way flights from Burbank 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 Burbank to Keflavik in September from $1324

Return flights