Cheap flights from Lisbon to Dublin from €33

If you aren’t able to travel during the month of January, then book flights to Dublin from Lisbon during November instead. Flights to Dublin in November, while not as cheap as those in January, still average around €88.

Our data shows that Monday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €77. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €257. 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 Lisbon to Dublin flights are usually those with departure times in the morning. Our users have found flights to Dublin in the morning for as low as €127. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €220 on average. Flights to Dublin from Lisbon in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Lisbon Humberto Delgado to Dublin for the best Lisbon Humberto Delgado - Dublin flight prices

You are more likely to see cheaper flights to Dublin from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €127 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 Lisbon for as low as €101 on momondo.

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

No. A direct flight is the cheapest option for a flight between Lisbon to Dublin.

As of March 2026, prices for Lisbon to Dublin flights are approximately 27% cheaper when compared to flights at the same time last year.

Ryanair is the most popular carrier operating from Lisbon Humberto Delgado to Dublin

TAP AIR PORTUGAL, Aer Lingus and Ryanair are the top three most popular airlines that fly to Dublin from Lisbon according to our data. TAP AIR PORTUGAL is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Dublin. Keep in mind that there are 3 different airlines that fly to Dublin on a routine basis, so you have a few additional options to choose from.

Historically, on average around 33% of flights between Lisbon and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 117 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 24% of their flights experiencing any sort of delay.

As of March 2026, there are 3 flights per day flying from Lisbon to Dublin. The most common time of day flights depart is 20:00, with 42% of flights taking off at midday.

The number of flights available between Lisbon and Dublin is 21 per week as of March 2026. The most frequent departure day is Mon, with 33% of weekly flights leaving on this day.