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

Return flights

02 May - 23 May	Air Europa	direct
01 May - 05 May	TAP	direct
17 May - 24 May	TAP	direct
01 May - 03 May	TAP	direct
06 May - 17 May	TAP	direct
10 May - 13 May	TAP	direct
01 May - 01 Jun	TAP	direct
09 May - 10 May	Iberia	direct
25 May - 30 May	TAP	direct
25 May - 27 May	TAP	direct

Also check the deals for one-way flights from Madrid to Lisbon 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 Lisbon in May from 52€

Return flights