AirHint found the following cheapest return flights from Southampton (SOU) to Glasgow (GLA) in August 2025 (see full year).

Return flights

13 Aug - 16 Aug	easyJet	direct
02 Aug - 09 Aug	easyJet	direct
31 Aug - 05 Sep	easyJet
31 Aug - 05 Sep	easyJet	direct
23 Aug - 25 Aug	easyJet	direct
02 Aug - 04 Aug	easyJet	direct
09 Aug - 16 Aug	easyJet	direct
27 Aug - 28 Aug	easyJet	direct
28 Aug - 01 Sep	easyJet	direct
22 Aug - 25 Aug	easyJet	direct
22 Aug - 30 Aug	easyJet	direct
14 Aug - 16 Aug	easyJet	direct
12 Aug - 16 Aug	Aer Lingus

Also check the deals for one-way flights from Southampton to Glasgow in August.

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 Glasgow in August from $107

Return flights