Cheapest return MEX–KEF flights, September

AirHint found the following cheapest return flights from Mexico City (MEX) to Keflavik (KEF) in September 2026 (see full year).

Return flights

01 Sep - 14 Sep Flair Airlines
03 Sep - 10 Sep Flair Airlines
01 Sep - 15 Sep Flair Airlines
17 Sep - 28 Sep Flair Airlines
07 Sep - 17 Sep WestJet
18 Sep - 28 Sep Viva
04 Sep - 14 Sep Viva
05 Sep - 14 Sep Viva
15 Sep - 26 Sep Flair Airlines
14 Sep - 21 Sep Flair Airlines
30 Sep - 11 Oct Virgin Atlantic
26 Sep - 04 Oct Virgin Atlantic
22 Sep - 02 Oct Virgin Atlantic
28 Sep - 08 Oct Virgin Atlantic
26 Sep - 06 Oct Flair Airlines
23 Sep - 06 Oct Air Canada
26 Sep - 10 Oct Flair Airlines
21 Sep - 03 Oct Air Canada
25 Sep - 08 Oct Air Canada

Also check the deals for one-way flights from Mexico City to Keflavik in September.

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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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