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

Return flights

21 Aug - 31 Aug	Norwegian	direct
13 Aug - 17 Aug	Ryanair
21 Aug - 24 Aug	Norwegian	direct
28 Aug - 31 Aug	Norwegian	direct
22 Aug - 25 Aug	Lufthansa
21 Aug - 25 Aug	Lufthansa
14 Aug - 17 Aug	Norwegian	direct
31 Aug - 14 Sep	Ryanair
07 Aug - 17 Aug	easyJet
07 Aug - 10 Aug	easyJet
24 Aug - 31 Aug	Norwegian	direct
21 Aug - 07 Sep	Norwegian
16 Aug - 05 Sep	Ryanair
28 Aug - 07 Sep	Norwegian
28 Aug - 14 Sep	Norwegian
24 Aug - 07 Sep	Norwegian
31 Aug - 07 Sep	Norwegian
18 Aug - 07 Sep	Norwegian Air Sweden AOC

Also check the deals for one-way flights from Toulouse 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 Toulouse to Oslo in August from 152€

Return flights