Cheapest return GRU–KEF flights, October

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

Return flights

22 Oct - 05 Nov United
29 Oct - 09 Nov British Airways
05 Oct - 16 Oct Air Canada
01 Oct - 13 Oct Air Canada
10 Oct - 22 Oct Air Canada
10 Oct - 23 Oct Air Canada
03 Oct - 11 Oct Air Canada
10 Oct - 24 Oct Air Canada
07 Oct - 15 Oct Air Canada
31 Oct - 10 Nov ITA Airways
21 Oct - 28 Oct ITA Airways
31 Oct - 09 Nov ITA Airways
21 Oct - 29 Oct Air France

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

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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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