Question 1

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 2

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 3

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 4

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 5

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

Accepted Answer

Ryanair is the most popular carrier operating from Ireland to Porto

Question 6

Can stopping save me money on Ireland to Porto flights?

Accepted Answer

You could potentially save up to 46% on your flight if you consider stops on a Ireland to Porto flight.

Question 7

What is the cheapest Ireland to Porto flight route?

Accepted Answer

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

Question 8

Which airlines fly to Porto?

Accepted Answer

TAP AIR PORTUGAL, KLM and Ryanair are the top three most popular airlines that fly to Porto from Ireland according to our data. TAP AIR PORTUGAL is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Porto. Keep in mind that there are 3 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

Question 9

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

Accepted Answer

The cheapest day to depart from Ireland to Porto is on a Thursday when prices can be found for as low as €61. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Porto for around €234.

Question 10

How long does it take to fly to Porto?

Accepted Answer

On average, it takes 2h 20m to fly from Ireland to Porto if you fly out of Dublin (the most popular airport in Ireland) and into Porto (the most popular airport in Porto). If you’re flying out of Shannon and into Porto, then the flight time is around 6h 35m.

Question 11

What is the cheapest month to fly to Porto?

Accepted Answer

The cheapest month to fly to Porto from Ireland is in February. Flight prices, which tend to average around €131, are often lower during this time because this is during the off-season. 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 €138.

Question 12

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 13

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 €192 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 €130 on momondo.

Question 14

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

Accepted Answer

As of January 2026, 2 flights take off from Ireland and land in Porto each week. The most common flight departure day for this route is Wed, with 50% of weekly flights taking off on this day.

Question 15

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

Accepted Answer

Prices for flights from Ireland to Porto Airport refresh daily.

Question 16

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

Accepted Answer

There are 3 operators available for flights from Ireland to Porto Airport as of January 2026.

Question 17

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Porto Airport.

Question 18

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

Accepted Answer

The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best price found	€94
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Porto	1 airport

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom €59	Free Cancellation	Rating 6.9 5,235 reviews	Search Ryanair flights
TAP AIR PORTUGAL	PriceFrom €100	Free Cancellation	Rating 7.1 2,102 reviews	Search TAP AIR PORTUGAL flights
KLM	PriceFrom €139	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights

Cheap flights from Ireland to Porto from €19

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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?

The cheapest day to depart from Ireland to Porto is on a Thursday when prices can be found for as low as €61. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Porto for around €234.

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?

You could potentially save up to 46% on your flight if you consider stops on a Ireland to Porto flight.

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

Ryanair is the most popular carrier operating from Ireland to Porto

Which airlines fly 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 January 2026, 2 flights take off from Ireland and land in Porto each week. The most common flight departure day for this route is Wed, with 50% of weekly flights taking off on this day.

How long does it take to fly to Porto?

On average, it takes 2h 20m to fly from Ireland to Porto if you fly out of Dublin (the most popular airport in Ireland) and into Porto (the most popular airport in Porto). If you’re flying out of Shannon and into Porto, then the flight time is around 6h 35m.

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

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

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

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

What is the most popular plane model from Ireland to Porto?

Best airlines flying from Ireland to Porto

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