Cheap flights from Lisbon to Dublin from £27

In general, January is the cheapest month to fly from Lisbon to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £63. If you aren’t able to travel to Dublin during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £75.

On average, the least expensive day to fly to Dublin from Lisbon is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as £73. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around £244. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Flying to Dublin from Lisbon in the morning is the least expensive time of day to depart. momondo users have found prices as low as £111 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £154 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 £104 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 £83 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.

Ryanair and TAP AIR PORTUGAL are the most popular carriers operating from Lisbon Humberto Delgado to Dublin

Ryanair, TAP AIR PORTUGAL and Aer Lingus are the top three most popular airlines that fly to Dublin from Lisbon according to our data. Ryanair is the first choice among our users, with 73% 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 119 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 25% of their flights experiencing any sort of delay.

As of February 2026, 6 flights take off from Lisbon and land in Dublin each day. The most common flight departure time for this route is 07:00, with 54% of daily flights taking off at midday.

As of February 2026, there are 44 flights per week flying from Lisbon to Dublin. The most common day of the week flights depart is Sat, with 30% of flights taking off on this day.