Cheapest return flights from Portland to Keflavik in June from 647€

Best time to book flights for Portland (PDX) to Keflavik (KEF) flights at AirHint

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

Return flights

04 Jun - 10 Jun jetBlue
03 Jun - 18 Jun Air France
02 Jun - 06 Jun jetBlue
02 Jun - 06 Jun Icelandair direct
03 Jun - 09 Jun jetBlue
04 Jun - 10 Jun Icelandair direct
11 Jun - 17 Jun jetBlue
01 Jun - 05 Jun jetBlue
11 Jun - 17 Jun Icelandair direct
07 Jun - 18 Jul Icelandair direct
29 Jun - 09 Jul Icelandair direct
30 Jun - 10 Jul Icelandair direct
20 Jun - 26 Jun Icelandair direct
25 Jun - 04 Jul United
25 Jun - 04 Jul Icelandair direct
21 Jun - 01 Jul Icelandair direct
26 Jun - 03 Jul Icelandair direct
24 Jun - 03 Jul Alaska Airlines
24 Jun - 04 Jul Alaska Airlines
19 Jun - 04 Jul Icelandair direct

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

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