Cheapest return flights from Cancun to Keflavik in May from 690€

AirHint found the following cheapest return flights from Cancun (CUN) to Keflavik (KEF) in May 2026 (see full year).

Return flights

09 May - 17 May Spirit Airlines
08 May - 16 May Frontier Airlines
03 May - 10 May Spirit Airlines
02 May - 10 May Spirit Airlines
11 May - 19 May WestJet
19 May - 27 May jetBlue
18 May - 26 May WORLD2FLY
16 May - 24 May Aeromexico
26 May - 03 Jun Frontier Airlines
25 May - 02 Jun Frontier Airlines

Also check the deals for one-way flights from Cancun to Keflavik in May.

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