AirHint found the following cheapest return flights from Southampton (SOU) to Guernsey (GCI) in October 2025 (see full year).

Return flights

28 Oct - 29 Oct	Aurigny	direct
10 Oct - 13 Oct	Aurigny	direct
08 Oct - 09 Oct	Aurigny	direct
03 Oct - 05 Oct	Aurigny	direct
17 Oct - 20 Oct	Aurigny	direct
06 Oct - 10 Oct	Aurigny	direct
28 Oct - 08 Nov	Loganair	direct
08 Oct - 29 Oct	Loganair	direct

Also check the deals for one-way flights from Southampton to Guernsey 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 Southampton to Guernsey in October from 149€

Return flights