AirHint found the following cheapest return flights from Toulouse (TLS) to Lisbon (LIS) in December 2025 (see full year).

Return flights

30 Dec - 31 Jan	Ryanair
30 Dec - 06 Jan	Ryanair
30 Dec - 16 Jan	Ryanair
31 Dec - 07 Jan	Ryanair
28 Dec - 10 Jan	TAP	direct
28 Dec - 31 Jan	TAP	direct
29 Dec - 10 Jan	TAP	direct
28 Dec - 18 Jan	TAP	direct
28 Dec - 28 Dec	TAP	direct
29 Dec - 06 Jan	TAP	direct
29 Dec - 07 Jan	TAP	direct
29 Dec - 31 Dec	Iberia
27 Dec - 28 Dec	Volotea
27 Dec - 28 Dec	Ryanair	direct
29 Dec - 30 Dec	TAP
28 Dec - 30 Dec	TAP	direct
29 Dec - 30 Dec	TAP	direct
27 Dec - 31 Dec	Volotea
27 Dec - 29 Dec	Volotea
27 Dec - 30 Dec	Brussels Airlines

Also check the deals for one-way flights from Toulouse to Lisbon in December.

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 Lisbon in December from 151€

Return flights