Cheap flights from Bilbao to Porto from £34

The month of January is, on average, the cheapest month to fly to Porto from Bilbao, with most prices found around £58. If you are unable to visit Porto during the month of January, then departing from Bilbao during the month October is also very affordable. Most momondo users find prices during this month for around £73.

Fly from Bilbao to Porto for the best Bilbao - Porto flight prices

You are more likely to see cheaper flights to Porto from Bilbao when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around £88 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 Bilbao for as low as £68 on momondo.

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

You could potentially save up to 26% on your flight if you consider stops on a Bilbao to Porto flight.

As of September 2026, prices for Bilbao to Porto flights are approximately 7% cheaper when compared to flights at the same time last year.

Historically, on average around 11% of flights between Bilbao and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 103 minutes.

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

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

According to our data, Vueling have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.