Cheapest return flights from Glasgow to Keflavik in September from $230

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

Return flights

17 Sep - 24 Sep easyJet
10 Sep - 24 Sep easyJet
16 Sep - 23 Sep easyJet
25 Sep - 28 Sep Ryanair
11 Sep - 14 Sep Ryanair
02 Sep - 08 Sep Ryanair
03 Sep - 08 Sep Ryanair
16 Sep - 22 Sep easyJet
19 Sep - 22 Sep Ryanair
16 Sep - 21 Sep easyJet

Also check the deals for one-way flights from Glasgow 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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