Cheapest return flights from Portland (PDX) to Keflavik (KEF), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
27 Sep 01 Oct Air France
25 Sep 01 Oct KLM
07 Sep 16 Sep Delta
14 Sep 23 Sep Delta
06 Sep 15 Sep KLM
30 Sep 14 Oct Air France
30 Sep 14 Oct Icelandair
Direct Flight
06 Sep 15 Sep Icelandair
Direct Flight
14 Sep 23 Sep Icelandair
Direct Flight
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Updated Jul 5, 2026.

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