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

Return flights

11 May - 11 Jun	Iberia
15 May - 20 Jun	Iberia
11 May - 19 Jun	Iberia
05 May - 18 Jun	Iberia
22 May - 20 Jun	LATAM Airlines Group
05 May - 18 Jun	Air Europa	direct
01 May - 18 Jun	Iberia
01 May - 12 Jun	Iberia

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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from Quito to Madrid in May from 755€

Return flights