Cheap flights from Lisbon to Porto from €56

The cheapest month to fly to Porto from Lisbon is in May. Flight prices, which tend to average around €70, are often lower during this time because this is during the off-season. If you are unable to visit Porto during the month of May, then departing from Lisbon during the month June is also very affordable. Most momondo users find prices during this month for around €71.

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

You are more likely to see cheaper flights to Porto from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around €91 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Lisbon for as low as €60 on momondo.

Historically, on average around 37% of flights between Lisbon and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 89 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening 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. Friday 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 35% of their flights experiencing any sort of delay.

The number of flights available between Lisbon and Porto is 25 per day as of April 2026. The most frequent departure time is 18:00, with 65% of daily flights leaving in the evening.

As of April 2026, 176 flights take off from Lisbon and land in Porto each week. The most common flight departure day for this route is Wed, with 28% of weekly flights taking off on this day.