Cheapest return flights from Bangkok to Keflavik in September from 912€

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

Return flights

18 Sep - 24 Sep Finnair
08 Sep - 21 Sep Finnair
15 Sep - 06 Oct Etihad Airways
11 Sep - 27 Sep Etihad Airways
19 Sep - 25 Sep Etihad Airways
21 Sep - 05 Oct Etihad Airways
27 Sep - 07 Oct Qatar Airways
27 Sep - 04 Oct Etihad Airways

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

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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