Cheapest return flights from Glasgow to Keflavik in September from $229

Best time to book flights for Glasgow (GLA) to Keflavik (KEF) flights at AirHint

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

Return flights

09 Sep - 15 Sep easyJet
02 Sep - 06 Sep Icelandair direct
22 Sep - 02 Oct Icelandair
24 Sep - 09 Oct Icelandair
10 Sep - 15 Sep easyJet
22 Sep - 27 Sep Icelandair
09 Sep - 15 Sep Icelandair direct
27 Sep - 29 Sep Icelandair direct
09 Sep - 09 Sep Icelandair
03 Sep - 06 Sep Icelandair
05 Sep - 07 Sep Ryanair
22 Sep - 02 Oct Icelandair direct

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

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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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