Question 1

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

Accepted Answer

Our most recent data shows that the best time of day to fly to Portugal is at midday. Flights from Dublin to Portugal during this time can be as low as €77. Flights to Portugal are more costly in the evening, with an average ticket price of €862. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Question 2

What is the most punctual flight time for Dublin to Portugal flights?

Accepted Answer

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.

Question 3

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

Accepted Answer

As of January 2026, 7 flights take off from Dublin and land in Portugal each day. The most common flight departure time for this route is 07:00, with 52% of daily flights taking off at midday.

Question 4

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

Accepted Answer

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

Question 5

What is the cheapest Dublin to Portugal flight route?

Accepted Answer

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

Question 6

Can stopping save me money on Dublin to Portugal flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Dublin to Portugal.

Question 7

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

Accepted Answer

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.

Question 8

What cabin class options are available on Dublin to Portugal flights?

Accepted Answer

There are 2 cabin classes available to choose from on Dublin to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 9

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

Accepted Answer

You are more likely to see cheaper flights to Portugal from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around €157 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 Dublin for as low as €129 on momondo.

Question 10

What is the cheapest month to fly to Portugal?

Accepted Answer

The month of January is, on average, the cheapest month to fly to Portugal from Dublin, with most prices found around €103. If you’re not able to fly to Portugal in January, then November is your next best option. Flight prices from Dublin to Portugal during November average around €110.

Question 11

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

Accepted Answer

The cheapest day to depart from Dublin to Portugal is on a Sunday when prices can be found for as low as €402. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around €846. These prices are subject to change though, so be sure to set up a Price Alert for flights to Portugal.

Question 12

Which airlines fly to Portugal?

Accepted Answer

Aer Lingus, TAP AIR PORTUGAL and Ryanair are the top three most popular airlines that fly to Portugal from Dublin according to our data. Aer Lingus is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Portugal. Keep in mind that there are 4 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Question 13

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

Accepted Answer

50 flights are operational weekly from Dublin to Portugal as of January 2026. The most popular departure day for this route is Sat, with 28% of flights per week taking off on this day.

Question 14

How often are flights from Dublin to Portugal delayed?

Accepted Answer

Historically, on average around 22% of flights between Dublin and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Question 15

What is the cheapest airline that flies from Dublin to Portugal?

Accepted Answer

Ryanair and TAP AIR PORTUGAL are the most popular carriers operating from Dublin to Portugal

Question 16

When did momondo last update prices for flights from Dublin Airport to Portugal?

Accepted Answer

Prices for flights from Dublin Airport to Portugal are refreshed on a daily basis.

Question 17

How many operators does momondo search for flights from Dublin Airport to Portugal?

Accepted Answer

As of January 2026, there are 4 operators available to choose from for flights from Dublin Airport to Portugal.

Question 18

How old do you have to be to fly from Dublin Airport to Portugal?

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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Portugal.

Question 19

What documentation or ID do you need to fly to Portugal?

Accepted Answer

The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	€80
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Portugal	99 airports

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom €48	Free Cancellation	Rating 6.9 5,252 reviews	Search Ryanair flights
TAP AIR PORTUGAL	PriceFrom €70	Free Cancellation	Rating 7.1 2,130 reviews	Search TAP AIR PORTUGAL flights
Aer Lingus	PriceFrom €89	Free Cancellation	Rating 7.2 1,442 reviews	Search Aer Lingus flights
KLM	PriceFrom €150	Free Cancellation	Rating 7.7 1,442 reviews	Search KLM flights

Cheap flights from Dublin to Portugal from €19

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Portugal departing on 23/3. 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 Dublin to Portugal

What is the cheapest month to fly to Portugal?

The month of January is, on average, the cheapest month to fly to Portugal from Dublin, with most prices found around €103. If you’re not able to fly to Portugal in January, then November is your next best option. Flight prices from Dublin to Portugal during November average around €110.

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

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

What is the cheapest Dublin to Portugal flight route?

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

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

What cabin class options are available on Dublin to Portugal flights?

There are 2 cabin classes available to choose from on Dublin to Portugal 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 Dublin to Portugal flights?

No. A direct flight is the cheapest option for a flight between Dublin to Portugal.

What is the cheapest airline that flies from Dublin to Portugal?

Ryanair and TAP AIR PORTUGAL are the most popular carriers operating from Dublin to Portugal

Which airlines fly to Portugal?

How often are flights from Dublin to Portugal delayed?

Historically, on average around 22% of flights between Dublin and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

What is the most punctual flight time for Dublin to Portugal flights?

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.

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

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.

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

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

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

As of January 2026, 7 flights take off from Dublin and land in Portugal each day. The most common flight departure time for this route is 07:00, with 52% of daily flights taking off at midday.

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

50 flights are operational weekly from Dublin to Portugal as of January 2026. The most popular departure day for this route is Sat, with 28% of flights per week taking off on this day.

Cheap Dublin to Portugal flight deals and tips

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When did momondo last update prices for flights from Dublin Airport to Portugal?

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How old do you have to be to fly from Dublin Airport to Portugal?

What documentation or ID do you need to fly to Portugal?

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Best airlines flying from Dublin to Portugal

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