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

Return flights

15 May - 17 May	Ryanair
19 May - 22 May	Ryanair
15 May - 11 Jun	Ryanair
16 May - 27 May	Ryanair	direct
19 May - 27 May	Ryanair	direct
05 May - 06 May	Ryanair	direct
26 May - 27 May	Ryanair	direct
27 May - 09 Jun	Ryanair	direct
27 May - 10 Jun	Ryanair	direct
19 May - 09 Jun	Ryanair	direct
26 May - 09 Jun	Ryanair	direct
26 May - 10 Jun	Ryanair	direct
17 May - 01 Jun	Ryanair

Also check the deals for one-way flights from Lisbon to Warsaw 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 Lisbon to Warsaw in May from $243

Return flights