AirHint found the following cheapest return flights from Vienna (VIE) to Keflavik (KEF) in May 2026 (see full year).

Return flights

12 May - 16 May	Wizz Air Malta
05 May - 13 May	Ryanair
05 May - 12 May	Ryanair
15 May - 30 May	Wizz Air Malta
29 May - 08 Jun	Scandinavian Airlines
11 May - 20 May	Wizz Air Malta
07 May - 10 Jun	Scandinavian Airlines
05 May - 08 Jun	Scandinavian Airlines
24 May - 30 May	Scandinavian Airlines
22 May - 30 May	Scandinavian Airlines
03 May - 11 May	Austrian Airlines	direct
24 May - 31 May	Scandinavian Airlines
04 May - 12 May	Lufthansa

Also check the deals for one-way flights from Vienna to Keflavik in May.

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 May from 210€

Return flights