Cheapest return flights from Portland to Keflavik in April from $485

AirHint found the following cheapest return flights from Portland (PDX) to Keflavik (KEF) in April 2026 (see full year).

Return flights

13 Apr - 20 Apr Icelandair direct
22 Apr - 29 Apr Air France
10 Apr - 17 Apr Delta
27 Apr - 04 May Icelandair direct
26 Apr - 03 May Air France
06 Apr - 12 Apr Finnair
25 Apr - 02 May Air France
29 Apr - 06 May KLM
06 Apr - 13 Apr Finnair
06 Apr - 13 Apr Icelandair direct
28 Apr - 05 May Air France
01 Apr - 08 Apr Air France
09 Apr - 16 Apr Air France
06 Apr - 12 Apr Icelandair direct
16 Apr - 23 Apr Air France
24 Apr - 01 May Delta

Also check the deals for one-way flights from Portland to Keflavik in April.

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