Cheapest return flights from Bangkok to Keflavik in March from $862

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 2025 (see full year).

Return flights

23 Mar - 27 Mar China Southern
26 Mar - 05 Apr Finnair
27 Mar - 10 Apr Oman Air
26 Mar - 06 Apr Finnair
19 Mar - 26 Mar KLM
22 Mar - 01 Apr Finnair
26 Mar - 02 Apr Finnair
21 Mar - 31 Mar KLM

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

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik