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

Return flights

11 May - 28 May	Avianca
11 May - 16 May	Avianca
17 May - 27 May	Avianca
11 May - 28 May	LATAM Airlines Group	direct
29 May - 26 Jun	Iberia	direct
01 May - 11 May	Avianca
01 May - 31 May	Avianca
31 May - 27 Jun	LATAM Airlines Group
31 May - 26 Jun	LATAM Airlines Group
25 May - 31 May	Avianca
17 May - 27 May	Iberia	direct
01 May - 31 May	Iberia	direct
31 May - 26 Jun	Iberia	direct
31 May - 27 Jun	Iberia	direct
25 May - 31 May	LATAM Airlines Group	direct

Also check the deals for one-way flights from Madrid to Quito 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 Madrid to Quito in May from $685

Return flights