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

Return flights

30 Jul - 05 Aug	Ryanair
25 Jul - 10 Aug	Finnair
26 Jul - 01 Aug	Ryanair
27 Jul - 31 Jul	Ryanair
25 Jul - 08 Aug	Finnair
25 Jul - 07 Aug	Finnair
25 Jul - 29 Jul	Finnair
26 Jul - 28 Jul	Austrian Airlines	direct
31 Jul - 03 Aug	Eurowings
27 Jul - 03 Aug	Ryanair
26 Jul - 10 Aug	Ryanair
29 Jul - 10 Aug	Ryanair
26 Jul - 30 Jul	Austrian Airlines	direct
27 Jul - 30 Jul	Austrian Airlines	direct
25 Jul - 30 Jul	Finnair
26 Jul - 03 Aug	Ryanair
26 Jul - 29 Jul	Ryanair
24 Jul - 27 Jul	Finnair
24 Jul - 28 Jul	Austrian Airlines	direct
24 Jul - 30 Jul	Austrian Airlines	direct

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 372€

Return flights