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

Return flights

10 Jul - 14 Jul	British Airways
08 Jul - 15 Jul	Aer Lingus
16 Jul - 20 Jul	Aer Lingus
09 Jul - 16 Jul	Lufthansa
07 Jul - 08 Jul	Ryanair
15 Jul - 17 Jul	Ryanair
18 Jul - 01 Aug	Aer Lingus
15 Jul - 16 Jul	easyJet
10 Jul - 15 Jul	Lufthansa
22 Jul - 24 Jul	easyJet
17 Jul - 20 Jul	easyJet

Also check the deals for one-way flights from Glasgow to Oslo 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 Glasgow to Oslo in July from 245€

Return flights