Cheapest return flights from Portland to Keflavik in April from 479€

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 April 2025 (see full year).

Return flights

22 Apr - 30 Apr Frontier Airlines
21 Apr - 01 May Frontier Airlines
21 Apr - 30 Apr Frontier Airlines
27 Apr - 08 May Frontier Airlines
28 Apr - 04 May Frontier Airlines
27 Apr - 03 May Frontier Airlines
21 Apr - 27 Apr Frontier Airlines
08 Apr - 14 Apr Hawaiian Airlines
21 Apr - 29 Apr Frontier Airlines
29 Apr - 07 May Hawaiian Airlines
28 Apr - 06 May Frontier Airlines
30 Apr - 06 May Spirit Airlines
25 Apr - 01 May Alaska Airlines
01 Apr - 10 Apr Frontier Airlines
24 Apr - 01 May Hawaiian Airlines
06 Apr - 14 Apr Alaska Airlines
01 Apr - 11 Apr Frontier Airlines
10 Apr - 16 Apr KLM
20 Apr - 28 Apr Air France
29 Apr - 05 May Hawaiian Airlines

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

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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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