Cheap flights from Lisbon to Porto from $39

The month of February is, on average, the cheapest month to fly to Porto from Lisbon, with most prices found around $102. If you aren’t able to travel during the month of February, then book flights to Porto from Lisbon during October instead. Flights to Porto in October, while not as cheap as those in February, still average around $103.

The cheapest day to depart on your flight to Porto is on a Saturday when prices can be found for as low as $124. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $395. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

At noon is the cheapest time of day to fly from Lisbon to Porto when you can find flight prices for as low as $139. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $299 on average. Flights to Porto from Lisbon in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $115 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Lisbon for as low as $70 on momondo.

There are 2 cabin classes available to choose from on Lisbon to Porto 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 32% 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 88 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 30% of their flights experiencing any sort of delay.

As of September 2026, there are 21 flights per day flying from Lisbon to Porto. The most common time of day flights depart is 6:00PM, with 55% of flights taking off in the evening.

The number of flights available between Lisbon and Porto is 148 per week as of September 2026. The most frequent departure day is Tue, with 40% of weekly flights leaving on this day.