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

Return flights

24 Jul - 08 Aug	Ryanair
31 Jul - 08 Aug	Ryanair
25 Jul - 01 Aug	Ryanair
23 Jul - 25 Jul	Ryanair
30 Jul - 10 Aug	Ryanair
31 Jul - 07 Aug	Ryanair
31 Jul - 04 Aug	Ryanair
25 Jul - 04 Aug	Ryanair
11 Jul - 25 Jul	Ryanair
26 Jul - 01 Aug	Ryanair
31 Jul - 02 Aug	Ryanair
08 Jul - 15 Jul	Ryanair
29 Jul - 05 Aug	Wizz Air Malta
17 Jul - 24 Jul	Ryanair
12 Jul - 25 Jul	Ryanair
06 Jul - 09 Jul	Ryanair
06 Jul - 15 Jul	Ryanair
13 Jul - 22 Jul	Ryanair
20 Jul - 25 Jul	Ryanair
25 Jul - 30 Jul	Ryanair

Also check the deals for one-way flights from Vienna 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 Vienna to Keflavik in July from 241€

Return flights