Cheapest return flights from Portland to Keflavik in June from $650

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 - 11 Jun Icelandair direct
02 Jun - 10 Jun Icelandair direct
01 Jun - 11 Jun Icelandair direct
01 Jun - 10 Jun Icelandair direct
01 Jun - 09 Jun Hawaiian Airlines
03 Jun - 11 Jun Hawaiian Airlines
05 Jun - 16 Jun KLM
08 Jun - 19 Jun Air France
05 Jun - 12 Jun Icelandair direct
01 Jun - 08 Jun Hawaiian Airlines
24 Jun - 02 Jul Air France
23 Jun - 04 Jul Frontier Airlines
21 Jun - 02 Jul Frontier Airlines
25 Jun - 03 Jul jetBlue
27 Jun - 08 Jul Frontier Airlines
22 Jun - 03 Jul Frontier Airlines
24 Jun - 01 Jul Icelandair
25 Jun - 02 Jul Icelandair
26 Jun - 03 Jul Icelandair direct
29 Jun - 06 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