Low prices
Fly to Lisbon from Ireland during September 2025 for as little as €199.99*.
From just €199.99*
Book your flight from Ireland to Lisbon in September 2025 here. Select your desired date in September 2025 and view all the airports in Ireland you can fly to Lisbon from on that day.
The best price for flying from Ireland to Lisbon (LIS) in September 2025 is just €199.99*.