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

Return flights

05 Dec - 30 Jan	Avianca
05 Dec - 08 Dec	Avianca
04 Dec - 17 Dec	Iberia
01 Dec - 29 Dec	Iberia
01 Dec - 15 Dec	Iberia
02 Dec - 15 Dec	Iberia
01 Dec - 31 Dec	Iberia
01 Dec - 19 Jan	Iberia
04 Dec - 18 Dec	Iberia
29 Dec - 30 Jan	Avianca
04 Dec - 30 Dec	Avianca
04 Dec - 28 Jan	Avianca
06 Dec - 31 Dec	Avianca
24 Dec - 31 Dec	Avianca
26 Dec - 26 Jan	Avianca
29 Dec - 30 Jan	Iberia	direct
24 Dec - 17 Jan	Avianca
03 Dec - 13 Jan	Air Canada
11 Dec - 31 Jan	Avianca
23 Dec - 22 Jan	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 734€

Return flights