Cheapest return flights from Phoenix to Keflavik in April from 541€

AirHint found the following cheapest return flights from Phoenix (PHX) to Keflavik (KEF) in April 2026 (see full year).

Return flights

17 Apr - 24 Apr Sun Country Airlines
04 Apr - 12 Apr Frontier Airlines
05 Apr - 13 Apr Sun Country Airlines
02 Apr - 10 Apr Frontier Airlines
23 Apr - 30 Apr Alaska Airlines
06 Apr - 13 Apr Frontier Airlines
08 Apr - 15 Apr Alaska Airlines
17 Apr - 25 Apr Sun Country Airlines
21 Apr - 29 Apr Sun Country Airlines
12 Apr - 20 Apr Sun Country Airlines
24 Apr - 02 May Sun Country Airlines
28 Apr - 06 May Sun Country Airlines
29 Apr - 06 May Sun Country Airlines
27 Apr - 04 May Sun Country Airlines
26 Apr - 04 May Sun Country Airlines
25 Apr - 03 May Sun Country Airlines
23 Apr - 01 May WestJet
30 Apr - 08 May WestJet
29 Apr - 07 May WestJet
30 Apr - 07 May Air Canada

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

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