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

Return flights

29 Aug - 31 Aug	Aer Lingus
22 Aug - 25 Aug	Aer Lingus
23 Aug - 25 Aug	Ryanair
13 Aug - 20 Aug	Ryanair
13 Aug - 15 Aug	Ryanair
12 Aug - 15 Aug	KLM
06 Aug - 08 Aug	easyJet
07 Aug - 09 Aug	easyJet
06 Aug - 09 Aug	Ryanair
07 Aug - 08 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 146€

Return flights