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

Return flights

18 Aug - 25 Aug	SWISS
04 Aug - 10 Aug	Ryanair
09 Aug - 15 Aug	Norwegian	direct
09 Aug - 10 Aug	Norwegian	direct
04 Aug - 15 Aug	Norwegian	direct
04 Aug - 10 Aug	Norwegian	direct
05 Aug - 09 Aug	Ryanair

Also check the deals for one-way flights from Santorini (Thira) 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 Santorini (Thira) to Oslo in August from 192€

Return flights