AirHint found the following cheapest return flights from Glasgow (GLA) to Keflavik (KEF) in April 2026 (see full year).

Return flights

26 Apr - 03 May	easyJet
26 Apr - 29 Apr	easyJet
09 Apr - 12 Apr	KLM
10 Apr - 13 Apr	Icelandair	direct
04 Apr - 08 Apr	easyJet
09 Apr - 12 Apr	Icelandair	direct
26 Apr - 29 Apr	Icelandair	direct
01 Apr - 07 Apr	Ryanair
26 Apr - 03 May	Icelandair	direct
01 Apr - 07 Apr	Icelandair	direct
01 Apr - 01 Apr	Icelandair

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

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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Cheapest return flights from Glasgow to Keflavik in April from $199

Return flights