AirHint found the following cheapest return flights from Quito (UIO) to Madrid (MAD) in May 2026 (see full year).

Return flights

19 May - 10 Jun	Iberia
13 May - 28 May	LATAM Airlines Group	direct
19 May - 10 Jun	Iberia	direct
14 May - 29 May	Iberia	direct
10 May - 22 May	Iberia
29 May - 14 Jun	Iberia
29 May - 14 Jun	Iberia	direct
10 May - 22 May	Iberia	direct

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

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 May from $762

Return flights