Cheapest return flights from Pittsburgh to Keflavik in March from 696€

AirHint found the following cheapest return flights from Pittsburgh (PIT) to Keflavik (KEF) in March 2026 (see full year).

Return flights

02 Mar - 08 Mar Icelandair
25 Mar - 29 Mar Southwest Airlines

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

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