Cheapest return flights from Pittsburgh to Keflavik in September from 266€

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

Return flights

04 Sep - 09 Sep Icelandair direct
07 Sep - 14 Sep Air Canada
28 Sep - 05 Oct Icelandair direct
23 Sep - 28 Sep Icelandair direct
07 Sep - 14 Sep Icelandair direct
24 Sep - 27 Sep Spirit Airlines
24 Sep - 28 Sep Delta

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

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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