Cheapest return flights from Portland to Keflavik in June from 612€

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

01 Jun - 08 Jun Icelandair direct
05 Jun - 11 Jun Delta
04 Jun - 11 Jun Air France
05 Jun - 11 Jun Icelandair direct
04 Jun - 11 Jun Icelandair direct
03 Jun - 11 Jun Air France
04 Jun - 15 Jun Icelandair direct
02 Jun - 12 Jun Icelandair direct
03 Jun - 09 Jun Hawaiian Airlines
02 Jun - 17 Jun Icelandair direct
17 Jun - 02 Jul jetBlue
29 Jun - 07 Jul Icelandair
24 Jun - 04 Jul Hawaiian Airlines
18 Jun - 09 Jul Frontier Airlines
24 Jun - 05 Jul Hawaiian Airlines
24 Jun - 03 Jul Hawaiian Airlines
27 Jun - 05 Jul Frontier Airlines
18 Jun - 09 Jul Icelandair direct

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

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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.

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