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

Return flights

17 Dec - 08 Jan	Avianca
01 Dec - 08 Dec	Avianca
01 Dec - 05 Dec	Avianca
22 Dec - 05 Jan	Avianca
24 Dec - 03 Jan	Avianca
21 Dec - 05 Jan	Avianca
05 Dec - 08 Dec	Avianca
20 Dec - 03 Jan	Avianca
19 Dec - 03 Jan	Avianca
18 Dec - 25 Dec	Avianca
22 Dec - 27 Dec	United
22 Dec - 26 Dec	United
18 Dec - 04 Jan	Avianca
20 Dec - 26 Dec	Avianca
18 Dec - 04 Jan	American Airlines	direct
22 Dec - 26 Dec	Delta	direct
24 Dec - 03 Jan	American Airlines	direct
19 Dec - 03 Jan	Delta	direct

Also check the deals for one-way flights from Quito to Miami 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 Quito to Miami in December from $381

Return flights