Cheap flights from Portugal to Dublin from €17

If you aren’t able to travel during the month of January, then book flights to Dublin from Portugal during November instead. Flights to Dublin in November, while not as cheap as those in January, still average around €104.

Our data shows that Friday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €125. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €265. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Our data shows that the cheapest Portugal to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €156. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €176 on average. Flights to Dublin from Portugal in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Funchal Madeira to Dublin for the best Portugal - Dublin flight prices

You are more likely to see cheaper flights to Dublin from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €144 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 Portugal for as low as €104 on momondo.

There is only 1 cabin class available to choose from on Portugal to Dublin 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 25% of flights between Portugal and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 116 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, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

The number of flights available between Portugal and Dublin is 6 per day as of October 2026. The most frequent departure time is 11:00, with 43% of daily flights leaving in the evening.

The number of flights available between Portugal and Dublin is 46 per week as of October 2026. The most frequent departure day is Thu, with 33% of weekly flights leaving on this day.