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

Return flights

04 Dec - 12 Dec	Iberia
15 Dec - 15 Jan	Iberia
13 Dec - 28 Dec	Iberia
08 Dec - 16 Dec	Iberia
09 Dec - 15 Jan	Iberia
12 Dec - 16 Jan	Iberia
01 Dec - 31 Dec	Iberia
11 Dec - 01 Jan	Iberia
10 Dec - 01 Jan	Iberia
23 Dec - 12 Jan	Iberia
27 Dec - 08 Jan	Iberia
12 Dec - 09 Jan	Iberia
22 Dec - 12 Jan	Avianca
22 Dec - 06 Jan	Avianca

Also check the deals for one-way flights from Barcelona 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 Barcelona to Quito in December from $933

Return flights