Cheapest return flights from Keflavik to Helsinki in May from $287

Best time to book flights for Keflavik (KEF) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Keflavik (KEF) to Helsinki (HEL) in May 2025 (see full year).

Return flights

04 May - 18 May Fly Play
04 May - 18 May Finnair direct

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

Skyscanner

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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