The standard interval for connecting flights is a 55-minute layover, as specified by the reservation system. If you have a through ticket, your luggage will be checked through to your final destination. Therefore, you do not need to go to the general arrivals area. After exiting the plane, follow the signs marked transfers. See the description of
Lisbon Airport . In short, it takes 15 to 20 minutes to walk to most boarding gates. If your first flight arrives on time, you’ll have plenty of time to make your next connection. Which service did you use to book your tickets?