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

Return flights

15 Dec - 30 Dec	Iberia
26 Dec - 12 Jan	easyJet
29 Dec - 08 Jan	Vueling Airlines
26 Dec - 02 Jan	Vueling Airlines
23 Dec - 08 Jan	Vueling Airlines
15 Dec - 08 Jan	Vueling Airlines
22 Dec - 02 Jan	Vueling Airlines
22 Dec - 03 Jan	Iberia
20 Dec - 03 Jan	Iberia

Also check the deals for one-way flights from Lisbon to Quito 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 Lisbon to Quito in December from 989€

Return flights