AirHint found the following cheapest one-way flights from Rome (FCO) to Lisbon (LIS) in May 2026 (see full year).

One-Way flights

22 May	Ryanair	direct
14 May	Ryanair	direct
21 May	Ryanair	direct
15 May	Ryanair	direct
28 May	Vueling Airlines
29 May	Wizz Air Malta
16 May	Vueling Airlines
06 May	Vueling Airlines
09 May	Vueling Airlines
01 May	Vueling Airlines

Also check the deals for return flights from Rome 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 one-way flights from Rome to Lisbon in May from $64

One-Way flights