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

Return flights

06 May - 22 May	Iberia
20 May - 27 May	Iberia
11 May - 20 May	Iberia
09 May - 21 May	Iberia
01 May - 15 May	Iberia
17 May - 03 Jun	Iberia
20 May - 04 Jun	Iberia
13 May - 04 Jun	Iberia
07 May - 23 May	Iberia
04 May - 31 May	Iberia
15 May - 30 May	Iberia
11 May - 04 Jun	Iberia
01 May - 17 May	Iberia
08 May - 23 May	Iberia
25 May - 05 Jun	Iberia
11 May - 08 Jun	Iberia
30 May - 13 Jun	KLM
24 May - 14 Jun	Delta
23 May - 13 Jun	Delta
23 May - 12 Jun	Delta

Also check the deals for one-way flights from Monterrey 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 Monterrey to Madrid in May from 739€

Return flights