Cheapest return flights from Portland to Keflavik in November from $428

AirHint found the following cheapest return flights from Portland (PDX) to Keflavik (KEF) in November 2025 (see full year).

Return flights

17 Nov - 24 Nov Icelandair direct
12 Nov - 16 Nov Air Canada

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

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.