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

Return flights

03 Aug - 03 Sep	Avianca
04 Aug - 03 Sep	Avianca
01 Aug - 31 Aug	Avianca
01 Aug - 01 Sep	Avianca
04 Aug - 04 Sep	Avianca
12 Aug - 19 Aug	Avianca
08 Aug - 03 Sep	LATAM Airlines Group
06 Aug - 07 Sep	LATAM Airlines Group
09 Aug - 04 Sep	LATAM Airlines Group
10 Aug - 21 Sep	Avianca
07 Aug - 07 Sep	Avianca
10 Aug - 07 Sep	Avianca
10 Aug - 26 Aug	Avianca
04 Aug - 25 Aug	Avianca
13 Aug - 20 Aug	Avianca
11 Aug - 18 Aug	LATAM Airlines Group
12 Aug - 28 Aug	Avianca
18 Aug - 31 Aug	LATAM Airlines Group
01 Aug - 27 Aug	Avianca
07 Aug - 31 Aug	Avianca

Also check the deals for one-way flights from Quito to Madrid in August.

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 Madrid in August from 766€

Return flights