Cheapest return flights from Sao Paulo to Keflavik in December from $1584

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

Return flights

08 Dec - 14 Dec Lufthansa
03 Dec - 10 Dec KLM
20 Dec - 31 Dec British Airways
20 Dec - 01 Jan British Airways
20 Dec - 02 Jan Lufthansa
24 Dec - 01 Jan KLM
21 Dec - 02 Jan KLM
19 Dec - 28 Dec TAP
23 Dec - 03 Jan Emirates

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

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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