Cheapest return flights from Sao Paulo to Keflavik in September from $1045

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Keflavik (KEF) in September 2026 (see full year).

Return flights

26 Sep - 03 Oct Air Canada
23 Sep - 08 Oct Air Canada
24 Sep - 03 Oct Air Canada
30 Sep - 10 Oct Air Canada
05 Sep - 21 Sep United
05 Sep - 16 Sep United
08 Sep - 20 Sep Air Canada
19 Sep - 27 Sep Air Canada
04 Sep - 15 Sep United
07 Sep - 22 Sep Air Canada
07 Sep - 20 Sep Air Canada
01 Sep - 15 Sep Air Canada
25 Sep - 05 Oct Air China
04 Sep - 18 Sep United
15 Sep - 26 Sep Air China

Also check the deals for one-way flights from Sao Paulo to Keflavik in September.

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