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

Return flights

29 Jul - 30 Jul	Aurigny	direct
31 Jul - 04 Aug	Aurigny	direct
28 Jul - 30 Jul	Aurigny	direct
29 Jul - 05 Aug	Aurigny	direct
29 Jul - 29 Jul	Aurigny	direct
27 Jul - 29 Jul	Aurigny	direct
27 Jul - 30 Jul	Aurigny	direct
30 Jul - 06 Aug	Aurigny	direct
27 Jul - 27 Jul	Aurigny	direct

Also check the deals for one-way flights from Southampton to Guernsey in July.

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 July from 228€

Return flights