Cheapest return flights from Bangkok to Keflavik in March from $697

AirHint found the following cheapest return flights from Bangkok (BKK) to Keflavik (KEF) in March 2026 (see full year).

Return flights

01 Mar - 09 Mar IndiGo
01 Mar - 12 Mar IndiGo
12 Mar - 22 Mar Scoot
13 Mar - 23 Mar IndiGo
22 Mar - 30 Mar Finnair
23 Mar - 30 Mar Finnair
26 Mar - 08 Apr Finnair
16 Mar - 22 Mar Norse Atlantic Airways (UK)
05 Mar - 16 Mar Norse Atlantic Airways (UK)
06 Mar - 12 Mar Finnair
24 Mar - 27 Mar Finnair

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

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