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

Return flights

14 May - 02 Jun	Avianca
09 May - 31 May	Avianca
10 May - 31 May	Avianca
14 May - 02 Jun	Air Europa	direct
02 May - 23 May	Avianca
02 May - 31 May	Avianca
07 May - 28 May	Air Europa	direct
02 May - 23 May	Air Europa	direct
05 May - 24 May	Avianca
02 May - 30 May	Air Europa	direct
29 May - 06 Jun	LATAM Airlines Group
30 May - 13 Jun	Air Europa	direct
01 May - 08 May	Iberia	direct
05 May - 24 May	LATAM Airlines Group	direct
25 May - 07 Jun	Avianca

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 782€

Return flights