Cheapest return flights from Sao Paulo to Keflavik in October from $1315

Best time to book flights for Sao Paulo (GRU) to Keflavik (KEF) flights at AirHint

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

Return flights

24 Oct - 31 Oct SWISS
01 Oct - 16 Oct Delta
01 Oct - 10 Oct Delta

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

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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