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

Return flights

03 Dec - 22 Dec	American Airlines
01 Dec - 27 Dec	American Airlines
06 Dec - 21 Dec	LATAM Airlines Group
16 Dec - 29 Jan	Spirit Airlines
25 Dec - 19 Jan	Arajet
15 Dec - 05 Jan	Spirit Airlines
16 Dec - 06 Jan	Spirit Airlines
24 Dec - 06 Jan	Arajet
14 Dec - 02 Jan	Arajet
25 Dec - 10 Jan	Arajet
21 Dec - 30 Dec	jetBlue
23 Dec - 07 Jan	Arajet
17 Dec - 14 Jan	Spirit Airlines
26 Dec - 06 Jan	Spirit Airlines
21 Dec - 28 Dec	Frontier Airlines
12 Dec - 16 Dec	LATAM Airlines Group

Also check the deals for one-way flights from Newark 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 Newark to Quito in December from $392

Return flights