Cheap flights from Porto to Lisbon from €55

In general, July is the cheapest month to fly from Porto to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €81. If you don’t want to visit Lisbon in July, then you should wait until May to fly from Porto, when ticket prices are also cheap, with an average price of €84.

Fly from Porto to Lisbon Humberto Delgado for the best Porto - Lisbon Humberto Delgado flight prices

You are more likely to see cheaper flights to Lisbon from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around €101 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Porto for as low as €75 on momondo.

There is only 1 cabin class available to choose from on Porto to Lisbon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 28% of flights between Porto and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 93 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, TAP AIR PORTUGAL have had the fewest delays on this route over the last 12 months, with about 25% of their flights experiencing any sort of delay.

The number of flights available between Porto and Lisbon is 24 per day as of May 2026. The most frequent departure time is 07:00, with 59% of daily flights leaving at midday.

As of May 2026, 173 flights take off from Porto and land in Lisbon each week. The most common flight departure day for this route is Mon, with 31% of weekly flights taking off on this day.