Cheapest return flights from Portland to Keflavik in July from 667€

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

09 Jul - 20 Jul Air France
13 Jul - 24 Jul KLM
14 Jul - 22 Jul Air France
13 Jul - 21 Jul Air France
27 Jul - 07 Aug KLM
28 Jul - 08 Aug Air France
28 Jul - 05 Aug Air France
05 Jul - 16 Jul Icelandair direct
14 Jul - 25 Jul Icelandair direct
11 Jul - 22 Jul Icelandair direct
13 Jul - 24 Jul Icelandair direct
02 Jul - 13 Jul Icelandair direct
12 Jul - 23 Jul Icelandair direct
25 Jul - 05 Aug Icelandair direct
30 Jul - 10 Aug Icelandair direct
26 Jul - 06 Aug Icelandair direct
27 Jul - 07 Aug Icelandair direct
28 Jul - 08 Aug Icelandair direct
28 Jul - 05 Aug Icelandair direct
24 Jul - 04 Aug Air France

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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