Cheapest return flights from Sao Paulo to Keflavik in September from 758€

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Keflavik (KEF) in September 2025 (see full year).

Return flights

08 Sep - 15 Sep United
10 Sep - 17 Sep Avianca
27 Sep - 11 Oct GOL Linhas Aéreas
08 Sep - 14 Sep United
20 Sep - 30 Sep Avianca
14 Sep - 24 Sep United
23 Sep - 02 Oct KLM
18 Sep - 02 Oct Lufthansa
09 Sep - 18 Sep Air Canada
26 Sep - 29 Sep TAP
29 Sep - 09 Oct Delta
10 Sep - 20 Sep Emirates

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

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.

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