Question 1

What cabin class options are available on Ireland to Porto flights?

Accepted Answer

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

Question 2

What is the cheapest time of day to depart on your flight to Porto?

Accepted Answer

Our data shows that the cheapest Ireland to Porto flights are usually those with departure times in the evening. Our users have found flights to Porto in the evening for as low as £147. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £187 on average. Flights to Porto from Ireland at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 3

What is the cheapest airline that flies from Ireland to Porto?

Accepted Answer

Ryanair, Vueling, and TAP AIR PORTUGAL are the most popular carriers operating from Ireland to Porto

Question 4

What is the cheapest Ireland to Porto flight route?

Accepted Answer

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

Question 5

Can stopping save me money on Ireland to Porto flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Ireland to Porto.

Question 6

What is the most punctual flight time for Ireland to Porto flights?

Accepted Answer

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.

Question 7

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Monday 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.

Question 8

Which airline has the best punctuality record on Ireland to Porto flights?

Accepted Answer

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 29% of their flights experiencing any sort of delay.

Question 9

How far in advance should I book a flight to Porto?

Accepted Answer

You are more likely to see cheaper flights to Porto from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around £167 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Ireland for as low as £114 on momondo.

Question 10

How often are flights from Ireland to Porto delayed?

Accepted Answer

Historically, on average around 29% of flights between Ireland and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

Question 11

What is the cheapest day to depart on your flight to Porto?

Accepted Answer

According to our data, Tuesday is the cheapest day to fly to Porto from Ireland. The lowest ticket price found for a Tuesday departure recently was £127. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around £190. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

Question 12

What is the cheapest month to fly to Porto?

Accepted Answer

The month of February is, on average, the cheapest month to fly to Porto from Ireland, with most prices found around £106. If you are unable to visit Porto during the month of February, then departing from Ireland during the month January is also very affordable. Most momondo users find prices during this month for around £121.

Question 13

How many flights depart from Ireland to Porto on average per week?

Accepted Answer

As of December 2025, 4 flights take off from Ireland and land in Porto each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

Question 14

When did momondo last update prices for flights from Ireland to Porto Airport?

Accepted Answer

Prices for flights from Ireland to Porto Airport are updated daily.

Question 15

How many operators does momondo search for flights from Ireland to Porto Airport?

Accepted Answer

As of December 2025, there is 1 operator available to choose from for flights from Ireland to Porto Airport.

Question 16

How old do you have to be to fly from Ireland to Porto Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Porto Airport.

Question 17

What documentation or ID do you need to fly to Porto Airport?

Accepted Answer

The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best price found	£103
Fastest flight time	2h 20m
Direct flights	Mon, Tue, Wed, Thu, Fri and Sun
Airports in Porto	1 airport

Cheap flights from Ireland to Porto from £39

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Porto departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Ireland to Porto

What is the cheapest month to fly to Porto?

What is the cheapest day to depart on your flight to Porto?

What is the cheapest time of day to depart on your flight to Porto?

What is the cheapest Ireland to Porto flight route?

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

How far in advance should I book a flight to Porto?

What cabin class options are available on Ireland to Porto flights?

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

Can stopping save me money on Ireland to Porto flights?

No. A direct flight is the cheapest option for a flight between Ireland to Porto.

What is the cheapest airline that flies from Ireland to Porto?

Ryanair, Vueling, and TAP AIR PORTUGAL are the most popular carriers operating from Ireland to Porto

How often are flights from Ireland to Porto delayed?

Historically, on average around 29% of flights between Ireland and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

What is the most punctual flight time for Ireland to Porto flights?

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.

What day of the week experiences the fewest flight delays on this route?

Monday 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.

Which airline has the best punctuality record on Ireland to Porto flights?

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 29% of their flights experiencing any sort of delay.

How many flights depart from Ireland to Porto on average per week?

As of December 2025, 4 flights take off from Ireland and land in Porto each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

Cheap Ireland to Porto flight deals and tips

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What documentation or ID do you need to fly to Porto Airport?

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