Cheapest return flights from Bangkok to Keflavik in October from $933

Best time to book flights for Bangkok (BKK) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Bangkok (BKK) to Keflavik (KEF) in October 2025 (see full year).

Return flights

16 Oct - 26 Oct Finnair
17 Oct - 26 Oct Finnair
15 Oct - 27 Oct Finnair
05 Oct - 12 Oct Finnair
05 Oct - 08 Oct Finnair
10 Oct - 18 Oct Finnair
01 Oct - 11 Oct Finnair
12 Oct - 19 Oct Finnair
17 Oct - 25 Oct SWISS
09 Oct - 25 Oct Finnair

Also check the deals for one-way flights from Bangkok to Keflavik in October.

Skyscanner

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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