Cheapest return flights from Portland to Keflavik in July from 743€

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 July 2025 (see full year).

Return flights

14 Jul - 23 Jul Icelandair direct
20 Jul - 30 Jul Icelandair direct
27 Jul - 06 Aug Icelandair direct
24 Jul - 08 Aug Icelandair direct
22 Jul - 30 Jul jetBlue
09 Jul - 16 Jul jetBlue
31 Jul - 10 Aug Icelandair direct
30 Jul - 09 Aug Icelandair direct
15 Jul - 26 Jul jetBlue
01 Jul - 09 Jul jetBlue
24 Jul - 03 Aug Icelandair direct
20 Jul - 29 Jul Icelandair direct
18 Jul - 27 Jul Icelandair direct
06 Jul - 16 Jul Icelandair direct
25 Jul - 09 Aug Icelandair direct
25 Jul - 03 Aug Icelandair direct
04 Jul - 10 Jul Icelandair direct
23 Jul - 02 Aug Icelandair direct
29 Jul - 04 Aug jetBlue
29 Jul - 09 Aug Alaska Airlines

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

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.

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