Question 1

How often are flights from Lisbon to Dublin delayed?

Accepted Answer

Historically, on average around 31% 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.

Question 2

What is the cheapest month to fly to Dublin?

Accepted Answer

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 £65. If you aren’t able to travel to Dublin during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £71.

Question 3

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

Accepted Answer

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 £102 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 £81 on momondo.

Question 4

How have Lisbon to Dublin flight prices changed over time?

Accepted Answer

As of December 2025, prices for Lisbon to Dublin flights are approximately 11% more expensive when compared to flights at the same time last year.

Question 5

Which airline has the best punctuality record on Lisbon to Dublin flights?

Accepted Answer

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.

Question 6

What is the cheapest Lisbon Humberto Delgado to Dublin flight route?

Accepted Answer

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

Question 7

Which airlines fly to Dublin?

Accepted Answer

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 75% 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.

Question 8

What cabin class options are available on Lisbon Humberto Delgado to Dublin flights?

Accepted Answer

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.

Question 9

How many flights depart from Lisbon to Dublin on average per week?

Accepted Answer

As of December 2025, there are 24 flights per week flying from Lisbon to Dublin. The most common day of the week flights depart is Fri, with 42% of flights taking off on this day.

Question 10

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

Accepted Answer

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 £104 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 £159 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.

Question 11

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

Accepted Answer

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 £75. 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 £249. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Question 12

How many flights depart from Lisbon to Dublin on average per day?

Accepted Answer

As of December 2025, 3 flights take off from Lisbon and land in Dublin each day. The most common flight departure time for this route is 07:00, with 53% of daily flights taking off at midday.

Question 13

What is the most punctual flight time for Lisbon to Dublin 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 14

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

Accepted Answer

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.

Question 15

What is the cheapest airline that flies from Lisbon Humberto Delgado to Dublin?

Accepted Answer

Ryanair and KLM are the most popular carriers operating from Lisbon Humberto Delgado to Dublin

Question 16

When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Dublin Airport?

Accepted Answer

Prices for flights from Lisbon Humberto Delgado Airport to Dublin Airport refresh daily.

Question 17

How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Dublin Airport?

Accepted Answer

As of December 2025, there are 3 operators available to choose from for flights from Lisbon Humberto Delgado Airport to Dublin Airport.

Question 18

How old do you have to be to fly from Lisbon Humberto Delgado Airport to Dublin Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lisbon Humberto Delgado Airport to Dublin Airport.

Question 19

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

Accepted Answer

The required travel and health documents for your Dublin 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 Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best price found	£65
Fastest flight time	2h 55m
Direct flights	Every day
Airports in Dublin	1 airport

Airline	Rating	Free Cancellation	Price
Aer Lingus	PriceFrom £40	Free Cancellation	Rating 7.2 1,394 reviews	Search Aer Lingus flights
Ryanair	PriceFrom £52	Free Cancellation	Rating 6.8 5,218 reviews	Search Ryanair flights
TAP AIR PORTUGAL	PriceFrom £55	Free Cancellation	Rating 7.1 2,089 reviews	Search TAP AIR PORTUGAL flights

Cheap flights from Lisbon to Dublin from £34

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How to get the cheapest flight ticket from Lisbon to Dublin

What is the cheapest month to fly to Dublin?

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

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

What is the cheapest Lisbon Humberto Delgado to Dublin flight route?

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

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

What cabin class options are available on Lisbon Humberto Delgado to Dublin flights?

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.

How have Lisbon to Dublin flight prices changed over time?

As of December 2025, prices for Lisbon to Dublin flights are approximately 11% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Lisbon Humberto Delgado to Dublin?

Ryanair and KLM are the most popular carriers operating from Lisbon Humberto Delgado to Dublin

Which airlines fly to Dublin?

How often are flights from Lisbon to Dublin delayed?

Historically, on average around 31% 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.

What is the most punctual flight time for Lisbon to Dublin 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?

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.

Which airline has the best punctuality record on Lisbon to Dublin flights?

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.

How many flights depart from Lisbon to Dublin on average per day?

As of December 2025, 3 flights take off from Lisbon and land in Dublin each day. The most common flight departure time for this route is 07:00, with 53% of daily flights taking off at midday.

How many flights depart from Lisbon to Dublin on average per week?

As of December 2025, there are 24 flights per week flying from Lisbon to Dublin. The most common day of the week flights depart is Fri, with 42% of flights taking off on this day.

When to book flights from Lisbon to Dublin

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How far is Lisbon Humberto Delgado to Dublin by plane?

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How old do you have to be to fly from Lisbon Humberto Delgado Airport to Dublin Airport?

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

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