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

Return flights

01 Dec - 15 Dec	Iberia
01 Dec - 16 Dec	Iberia
01 Dec - 20 Jan	Iberia
01 Dec - 14 Dec	Iberia
04 Dec - 15 Dec	Iberia
01 Dec - 07 Dec	Iberia
04 Dec - 20 Jan	Iberia
31 Dec - 30 Jan	Iberia
03 Dec - 20 Jan	Iberia
04 Dec - 14 Dec	Iberia
04 Dec - 21 Dec	Iberia
29 Dec - 25 Jan	Avianca
02 Dec - 19 Jan	Ryanair
31 Dec - 21 Jan	Iberia
10 Dec - 19 Jan	Air Europa
26 Dec - 20 Jan	Iberia
28 Dec - 28 Jan	Iberia
10 Dec - 24 Dec	Iberia
06 Dec - 14 Dec	Iberia
04 Dec - 08 Dec	Avianca

Also check the deals for one-way flights from Madrid 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 Madrid to Quito in December from 664€

Return flights