Cheapest return flights from Bangkok to Keflavik in December from 800€

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

Return flights

22 Dec - 04 Jan Norse Atlantic Airways (UK)
24 Dec - 03 Jan Finnair
04 Dec - 10 Dec Finnair
09 Dec - 14 Dec Finnair
19 Dec - 03 Jan Finnair
12 Dec - 24 Dec Finnair
14 Dec - 01 Jan Norse Atlantic Airways
13 Dec - 02 Jan British Airways
19 Dec - 02 Jan Finnair
26 Dec - 02 Jan Finnair

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

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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