€20 Find Cheap Flights from Portugal to Dublin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dublin departing on 25/3. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Dublin

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Dublin, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Dublin, as well as popular online travel agencies
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Cheap Flights from Portugal to Dublin

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portugal to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portugal to Dublin

Thu, 16 Apr - Wed, 22 Apr
Ryanair Logo
20:45 - 23:40
FAO
-
DUB
2h 55mdirect
Ryanair Logo
05:45 - 08:40
DUB
-
FAO
2h 55mdirect
€57Ryanair
Thu, 16 Apr - Sun, 19 Apr
Ryanair Logo
20:45 - 23:40
FAO
-
DUB
2h 55mdirect
Ryanair Logo
08:00 - 10:55
DUB
-
FAO
2h 55mdirect
€58Ryanair
Fri, 17 Apr - Fri, 24 Apr
Ryanair Logo
22:00 - 00:55
FAO
-
DUB
2h 55mdirect
Ryanair Logo
17:30 - 20:25
DUB
-
FAO
2h 55mdirect
€59Ryanair
Tue, 14 Apr - Mon, 27 Apr
Ryanair Logo
08:00 - 10:55
FAO
-
DUB
2h 55mdirect
Ryanair Logo
17:00 - 19:55
DUB
-
FAO
2h 55mdirect
€60Ryanair
Fri, 15 May - Sun, 17 May
Ryanair Logo
17:45 - 20:40
FAO
-
DUB
2h 55mdirect
Ryanair Logo
18:30 - 21:25
DUB
-
FAO
2h 55mdirect
€61Ryanair
Thu, 23 Apr - Mon, 27 Apr
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
Ryanair Logo
19:35 - 22:00
DUB
-
OPO
2h 25mdirect
€70Ryanair
Thu, 16 Apr - Sun, 19 Apr
Ryanair Logo
18:15 - 21:00
LIS
-
DUB
2h 45mdirect
Ryanair Logo
09:10 - 12:00
DUB
-
LIS
2h 50mdirect
€70Ryanair
Fri, 3 Apr - Thu, 9 Apr
Ryanair Logo
22:30 - 01:15
LIS
-
DUB
2h 45mdirect
Ryanair Logo
06:10 - 09:00
DUB
-
LIS
2h 50mdirect
€71Ryanair
Sun, 29 Mar - Fri, 10 Apr
Aer Lingus Logo
20:05 - 23:05
FAO
-
DUB
3h 00mdirect
Aer Lingus Logo
16:20 - 19:25
DUB
-
FAO
3h 05mdirect
€72Aer Lingus
Sat, 28 Mar - Fri, 3 Apr
Multiple Airlines Logo
14:40 - 00:35
TER
-
DUB
8h 55m
1 stop
Multiple Airlines Logo
19:55 - 12:50
DUB
-
TER
41h 55m
2 stops
€360Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights to Dublin

Get data-powered insights and trends into flights to Dublin to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Dublin?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to Dublin was found on the route from Porto, at €57 return. The most popular connection is from Cairo to Dublin and KAYAK users have found return deals for as low as €255 in the last 3 days.

What is the cheapest day to fly to Dublin?

The average price of all round-trip flights to Dublin clicked on KAYAK for each day over the last 12 months.

Based on KAYAK data, the cheapest day to fly to Dublin is Monday where round-trip tickets can be as cheap as €89. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are €257 on average.

What is the cheapest month to fly to Dublin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Dublin is January, where tickets cost €73 on average for return flights. On the other hand, the most expensive months are July and August, where the average cost of tickets from Portugal is €173 and €160 respectively. For one-way flights, the best month to travel is January with an average price of €82.

What is the cheapest time of day to fly to Dublin?

The average price for all round-trip flights to Dublin depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Dublin is generally in the morning, when round-trip flights cost €126 on average. The most expensive time of day to fly to Dublin is generally in the evening, which is peak travel time and where the average cost of a ticket is €220.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Dublin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 4 weeks before departure, which saves you about 56% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Good to know

Low seasonJuly
Cheapest flight€22
Best time to beat the crowds but there is an average 34% increase in price.
Most popular time to fly (13% more expensive on average)
Flight from Porto to Dublin

FAQs - booking Dublin flights

  • What is the cheapest flight to Dublin?

    In the last 3 days, the cheapest flight deal to Dublin was found on the route from Porto, at €57 return. The most popular connection is from Cairo to Dublin and KAYAK users have found return deals for as low as €255 in the last 3 days.

  • How far is Dublin Airport from central Dublin?

    Central Dublin is 9 km away from Dublin Airport.

  • What is the name of Dublin’s airport?

    All flights to Dublin land at Dublin Airport. The airport code is DUB,and it can also be referred to as Dublin or Dublin Airport.

  • How much is a flight to Dublin?

    On average, a flight to Dublin costs €167. The cheapest price found on KAYAK in the last 2 weeks cost €31 and departed from Faro Airport.

  • How does KAYAK find such low prices on flights to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How much is a flight to Dublin?

    A flight to Dublin costs €167 on average. The cheapest price found on KAYAK in the last 2 weeks cost €31 and departed from Faro. The most popular routes on KAYAK are Lisbon to Dublin which costs €98 on average, and Porto to Dublin, which costs €115 on average.

Top tips for finding cheap flights to Dublin

  • Looking for cheap airfare to Dublin? 25% of our users found return tickets to Dublin for the following prices or less: From Porto €115
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Dublin flight deals.

Reviews of the top 3 airlines flying from Portugal to Dublin

 
See real verified KAYAK customer reviews for airlines flying to Dublin. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Portugal to Dublin. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Dublin? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
Aer LingusOverall score based on 1475 reviews
7.4Boarding
6.6Food
7.0Entertainment
7.2Comfort
8.1Crew
Airline reviews

I had a great experience. I would definitely use them again

10.0 ExcellentBrittney, Feb 2026
PRG - DUB
Read more Aer Lingus reviews

I had a great experience. I would definitely use them again

The pre-check (passport control) for all US flights from Dublin airport is brilliant, meaning these flights come into the domestic airport in the US - it was so quick and easy getting to my hotel once we landed. The plane itself was great, staff were lovely and food was fine.

Punctual, smooth flight. Crew excellent and cabin very clean. Paid for WiFi but once you close out you cannot get back in even if you paid for entire flight.

Flight crew was superb. Meal was one of the meals at altitude I’ve had

One of the best flight experience I have had in along time. Would fly with them again.

Got us to destination alive, albeit a bit late. Luggage was left behind. No live tracking app available (available on some other airlines). Supposedly going to be delivered in next couple of days.

The trip was mostly nice, till the last moment when they had some issue with opening the flight door. The flight arrived late by 10 minutes, which was ok-ish, but then we got stuck on the plane for 35 minutes at the bridge and that costed our connection flight to LAX which left with 12+ passengers still on our flight. It added 2 days to our trip home, and we had to make lots of rearrangements to deal with the ripple effects. Don't book a 1+ stop trip with a layover time less than 2 hours.

My seat was broken. No sound available and the armrest between my wife and I was broken so it could only fold halfway up. Seats were a big close together so they felt a bit claustrophobic. Boarding was a little frustrating in Dublin as there is not sufficient room to actually queue up. Boarding was also frustrating for people behind me who were unable to use the overhead due to people abusing the privilege and putting more than one item each up there. Staff was friendly and helpful to those people.

The staff was amazing, so friendly and responsive. Check in was tedious as the online service was not available and the desk understaffed. It took a full hour in line to check in. The seats, in economy, where quite spacious until the people in front of us reclined their seats which then meant the seat was touching our knees. The inconsiderate people who were seated in a bulkhead kept their seats reclined for 80% of the flight and then got annoyed when we bumped their seats while shifting positions. It was highly unpleasant..

The connection time between the regional flight (from Newcastle) to an international flight (to The States) was too short. To require as second security scan and customs clearance within an hour and 20 mins is not enough time to make the actual connection. We had a final boarding call the minute we walked out of US customs and had to sprint (with two small children) through 20 gates to make it in time before the door closed. The concept is great in theory to clear customs before leaving Europe, but the timing needs to be adjusted. We travel abroad frequently and won’t be using this route again. Thanks.

It was a good experience overall. We were however delayed by over 3 hours due to a security issue with one of the passengers inadvertently leaving a power bank in a luggage she was using as carrying on but then had to be moved int check in due to spacing issues. The airline staff had requested that she checked her bags in, but should have reminded her about removing all hazardous material like her power bank. When she eventually remembered as we were on the plane, we had to turn back and go through security all over again. Hence delaying our takeoff. The incident could have been prevented if staff reminded these passengers to remove their power banks.

this flight was awful from pre-boarding to on the plane. There needs to be more coordination between TAP and My Way. We were in first class and I am handicapped. BY the time we got on the plane there was no place for our baggage and the crew did not handle the situation well. They gave us an argument and said that we'd have to have it checked. Then, after I complained they moved some people's bags to put our small carry ons several seats back of our seats which were in Row 4.

Bad. They gave me a voucher for food to use at the airport but didn’t have time since I had to catch the other plane. No refunds and lack of communication

Negative. Food was awful, seat broken, flight was late, baggage lost and damaged

The ground staff did not load my bag onto the plane and despite me watching from the bus that my bag is not being loaded and taken back on the cart to the terminal, I pointed out to the staff and ge laughed upon checking my tag and knowing they made a mistake. Instead of calling the cart back and loading it he said we can’t fo anything and you should file a report upon landing at RAK. I told them my stay there is short and i needed my bag as it had everything I needed but no avail. Even the pilot was informed, staff of the plane was aware but all in don’t care mode. Upon arriving at Marrakech RAK, i filed a report and being told it might come in next flight tomorrow and we don’t provide delivery service, you must come and pick it up. If it doesn’t arrive on time then it will be sent to your home in the US. Unbelievable stress and inconvenience that could have been easily prevented by the ground staff.

The cabin crew were curt, not with me, but observed with other passengers. They were unduly rude and it was unprovoked and when they realized they were wrong, they made no attempt to apologize for their own confusion.

I was disappointed of the crew, not friendly and attentive. Delay one way for fuel leakage and the plane is so hot. Not that great all around but I’m glad I experienced it so now know better.

Flew Business class and did not like anything, flight attendants were rude and not helpful. Food was of poor quality and I did not eat meals.

Wonderful just hope the had more direct flights to Boston

Boarding process was fast and efficient. Short flight but on time and well organized. I would certainly fly TAP again.

Guide passenger if fhey board from front or back door cause it was a total mess

I liked almost everything (e.g. ease of booking, price, punctuality, efficiency, friendliness, courtesy). A slam landing in Dublin airport took some of the gloss off it, though. Being able to paste here the text of the review of the same flight that I just wrote for Ryanair would make me feel better about Kayak too.

It would have been better if I was not ill so I didn't go and I didn't come back and I could not transfer my tickets to a later date as Ryanair stop flying from Manchester at the end of October till next year

Take off was great but landing is always with a bump.

Staff were very professional. Much better than the outgoing flight from Dublin. Seat cushions were practically non existent. Making for a very uncomfortable flight.

Flight was delayed by 1 hour 45 minutes. Aircraft was cramped, dirty and uncomfortable. Boarding staff more interested in charging you for oversize baggage than getting you on board. Overall not a pleasant experience.

They were extremely unprofessional and unhelpful at check in. They did not understand laws related to Spanish residents flying with family It was very discriminatory the way we were treated.

I didn't know that all connecting flights require online check-in two hours in advance, so I was fined 55 euros. This is a lesson learned.

There isn’t any entertainment. The food and drink was available for a price. I didn’t buy any.

It would be nice to have power to charge phone.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Cavan
Gorey
Dundalk
Wicklow
Swords
Kildare
Naas
Tullamore
Bray
Mullingar
Enniscorthy
Drogheda
Carlingford
Arklow
Maynooth
Castleknock
Thurles
Leixlip
Malahide

Everything you need to know for your flight to Dublin

Information on the airport you'll fly into in Dublin