Cheapest return flights from Bangkok to Keflavik in March from $836

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 March 2026 (see full year).

Return flights

11 Mar - 21 Mar Lufthansa
20 Mar - 03 Apr Finnair
21 Mar - 30 Mar Finnair
06 Mar - 16 Mar Finnair
12 Mar - 22 Mar Finnair
12 Mar - 16 Mar Finnair
07 Mar - 16 Mar Finnair
31 Mar - 14 Apr Qatar Airways
12 Mar - 21 Mar Finnair
10 Mar - 21 Mar Finnair
13 Mar - 28 Mar Finnair
31 Mar - 15 Apr Qatar Airways

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

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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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