Cheapest return flights from Portland to Keflavik in April from 460€

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

27 Apr - 12 May Frontier Airlines
07 Apr - 14 Apr Frontier Airlines
28 Apr - 05 May Frontier Airlines
26 Apr - 06 May Frontier Airlines
27 Apr - 04 May Frontier Airlines
06 Apr - 16 Apr Frontier Airlines
05 Apr - 15 Apr Spirit Airlines
08 Apr - 14 Apr Hawaiian Airlines
01 Apr - 08 Apr Hawaiian Airlines
03 Apr - 09 Apr Spirit Airlines
26 Apr - 03 May Frontier Airlines
28 Apr - 08 May Frontier Airlines
05 Apr - 14 Apr Spirit Airlines
30 Apr - 06 May jetBlue
29 Apr - 05 May Spirit Airlines
22 Apr - 29 Apr Spirit Airlines
21 Apr - 01 May Spirit Airlines
27 Apr - 03 May Frontier Airlines
03 Apr - 14 Apr Spirit Airlines
01 Apr - 07 Apr Hawaiian Airlines

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

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