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

Return flights

11 Aug - 18 Aug	easyJet
19 Aug - 23 Aug	KLM
21 Aug - 27 Aug	KLM
22 Aug - 31 Aug	KLM
29 Aug - 01 Sep	KLM
28 Aug - 30 Aug	easyJet
13 Aug - 16 Aug	KLM
21 Aug - 08 Sep	easyJet
05 Aug - 08 Aug	Aer Lingus
10 Aug - 16 Aug	Aer Lingus
19 Aug - 29 Aug	easyJet
08 Aug - 10 Aug	easyJet

Also check the deals for one-way flights from Glasgow to Oslo 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 Glasgow to Oslo in August from 167€

Return flights