Cheapest return flights from Pittsburgh to Keflavik in May from $507

Best time to book flights for Pittsburgh (PIT) to Keflavik (KEF) flights at AirHint

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

Return flights

01 May - 05 May Spirit Airlines
02 May - 06 May Southern Airways Express
15 May - 20 May Southern Airways Express
09 May - 27 May Icelandair direct
02 May - 06 May Icelandair direct
22 May - 29 May Icelandair direct
14 May - 27 May Southern Airways Express
15 May - 20 May Icelandair direct
08 May - 26 May Air France

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

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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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