Cheap flights from Billund to Porto from $263

The month of June is, on average, the cheapest month to fly to Porto from Billund, with most prices found around $228. If you aren’t able to travel during the month of June, then book flights to Porto from Billund during August instead. Flights to Porto in August, while not as cheap as those in June, still average around $266.

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

You are more likely to see cheaper flights to Porto from Billund when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $340 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Billund for as low as $297 on momondo.

There is only 1 cabin class available to choose from on Billund 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 63% on your flight if you consider stops on a Billund to Porto flight.

As of October 2026, prices for Billund to Porto flights are approximately 40% more expensive when compared to flights at the same time last year.

Historically, on average around 16% of flights between Billund and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 56 minutes.

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

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

According to our data, DAT have had the least number of delays on this route over the last 12 months; with about 16% of their flights experiencing any sort of delay.