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

Return flights

06 May - 09 May	Iberia	direct
05 May - 12 May	Iberia	direct
28 May - 29 May	Iberia	direct
28 May - 03 Jun	Iberia	direct
01 May - 01 Jun	TAP	direct
01 May - 02 May	TAP	direct
01 May - 03 May	TAP	direct
02 May - 03 May	Iberia	direct
14 May - 17 May	TAP	direct
29 May - 14 Jun	Iberia	direct
26 May - 31 May	TAP	direct

Also check the deals for one-way flights from Lisbon 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 Lisbon to Madrid in May from 50€

Return flights