Cheapest return GRU–KEF flights, August

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

Return flights

26 Aug - 06 Sep Air Canada
27 Aug - 27 Sep Air Canada
27 Aug - 26 Sep Air Canada
15 Aug - 29 Aug Air Canada
28 Aug - 08 Sep Air Canada
01 Aug - 09 Sep United
12 Aug - 23 Aug Lufthansa
01 Aug - 07 Sep Lufthansa
03 Aug - 10 Aug Lufthansa

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

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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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