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

Return flights

31 Aug - 03 Sep	easyJet	direct
29 Aug - 31 Aug	Lufthansa
29 Aug - 31 Aug	easyJet	direct
13 Aug - 18 Aug	Ryanair
22 Aug - 24 Aug	Lufthansa
18 Aug - 24 Aug	Lufthansa
30 Aug - 06 Sep	Lufthansa
15 Aug - 17 Aug	Lufthansa
12 Aug - 17 Aug	easyJet
03 Aug - 15 Aug	easyJet	direct
13 Aug - 18 Aug	easyJet	direct
04 Aug - 06 Aug	easyJet	direct

Also check the deals for one-way flights from Toulouse to Basel 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 Basel in August from $99

Return flights