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

Return flights

07 Oct - 16 Oct	Ryanair
07 Oct - 11 Oct	Ryanair
07 Oct - 14 Oct	Ryanair
31 Oct - 14 Nov	Ryanair
06 Oct - 11 Oct	easyJet
04 Oct - 12 Oct	Ryanair
21 Oct - 28 Oct	easyJet
20 Oct - 26 Oct	Ryanair
22 Oct - 29 Oct	easyJet
19 Oct - 25 Oct	Ryanair
20 Oct - 25 Oct	Ryanair
25 Oct - 02 Nov	Ryanair
27 Oct - 01 Nov	Ryanair
26 Oct - 02 Nov	Ryanair

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

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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Cheapest return flights from Toulouse to Keflavik in October from 205€

Return flights