Cheapest return flights from Bangkok to Keflavik in December from $965

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 December 2025 (see full year).

Return flights

02 Dec - 09 Dec Finnair
23 Dec - 01 Jan Finnair
27 Dec - 29 Jan Finnair
23 Dec - 29 Dec Scandinavian Airlines
23 Dec - 02 Jan Scandinavian Airlines

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

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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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