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

Return flights

02 Dec - 23 Jan	United
02 Dec - 07 Jan	Avianca
27 Dec - 07 Jan	Avianca
17 Dec - 08 Jan	Avianca
22 Dec - 14 Jan	Copa
16 Dec - 05 Jan	Avianca
16 Dec - 05 Jan	American Airlines	direct
27 Dec - 07 Jan	American Airlines	direct
13 Dec - 04 Jan	LATAM Airlines Group
13 Dec - 04 Jan	Delta	direct

Also check the deals for one-way flights from Miami 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 Miami to Quito in December from $419

Return flights