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

Return flights

28 Jul - 30 Jul	Ryanair
29 Jul - 05 Aug	Ryanair
30 Jul - 06 Aug	Ryanair
28 Jul - 02 Aug	Aer Lingus
31 Jul - 07 Aug	Ryanair
28 Jul - 31 Jul	Aer Lingus
31 Jul - 04 Aug	Lufthansa
29 Jul - 05 Aug	Icelandair	direct
28 Jul - 30 Jul	Icelandair	direct
28 Jul - 02 Aug	Icelandair	direct
28 Jul - 31 Jul	Icelandair	direct
30 Jul - 06 Aug	Icelandair	direct
31 Jul - 04 Aug	Icelandair	direct
31 Jul - 07 Aug	Icelandair	direct

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

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

Cheapest return flights from Glasgow to Keflavik in July from 359€

Return flights