AirHint found the following cheapest return flights from Reus (REU) to Keflavik (KEF) in July 2026 (see full year).

Return flights

01 Jul - 02 Aug	Vueling Airlines
08 Jul - 12 Jul	Vueling Airlines
03 Jul - 12 Jul	Jet2
17 Jul - 02 Aug	Jet2
15 Jul - 28 Jul	Vueling Airlines
15 Jul - 22 Jul	Vueling Airlines
27 Jul - 30 Jul	Jet2
07 Jul - 20 Jul	easyJet
07 Jul - 12 Jul	Ryanair
20 Jul - 26 Jul	Jet2
22 Jul - 29 Jul	Vueling Airlines
15 Jul - 13 Aug	Vueling Airlines
13 Jul - 19 Jul	Jet2
22 Jul - 03 Aug	Vueling Airlines
31 Jul - 13 Aug	Jet2
31 Jul - 08 Aug	Jet2
27 Jul - 10 Aug	Jet2

Also check the deals for one-way flights from Reus 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.

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Cheapest return flights from Reus to Keflavik in July from $424

Return flights