Cheap flights from Ireland to Portugal from £23

The month of January is, on average, the cheapest month to fly to Portugal from Ireland, with most prices found around £96. If you are unable to visit Portugal during the month of January, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around £112.

The cheapest day to depart from Ireland to Portugal is on a Tuesday when prices can be found for as low as £174. Flights from Ireland to Portugal on a Saturday will generally be more expensive and average around £210. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Portugal is at midday when flights can be purchased for as low as £91. Flights to Portugal are more costly in the evening, with an average ticket price of £485. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Dublin to Faro for the best Ireland - Portugal flight prices

You are more likely to see cheaper flights to Portugal from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around £141 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Ireland for as low as £118 on momondo.

There are 3 cabin classes available to choose from on Ireland to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair, Aer Lingus, and Vueling are the most popular carriers operating from Ireland to Portugal

Ryanair, Aer Lingus and TAP AIR PORTUGAL are the top three most popular airlines that fly to Portugal from Ireland 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 Portugal. Keep in mind that there are 3 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Ireland and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 11% of their flights experiencing any sort of delay.

The number of flights available between Ireland and Portugal is 7 per day as of August 2026. The most frequent departure time is 18:00, with 45% of daily flights leaving at midday.

As of August 2026, 50 flights take off from Ireland and land in Portugal each week. The most common flight departure day for this route is Mon, with 36% of weekly flights taking off on this day.