Cheap flights from Porto to Dublin from €31

If you aren’t able to travel during the month of January, then book flights to Dublin from Porto during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €114.

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

You are more likely to see cheaper flights to Dublin from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €158 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Porto for as low as €110 on momondo.

You could potentially save up to 56% on your flight if you consider stops on a Porto to Dublin flight.

As of May 2026, prices for Porto to Dublin flights are approximately 39% cheaper when compared to flights at the same time last year.

Historically, on average around 24% of flights between Porto and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

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

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

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 24% of their flights experiencing any sort of delay.