€31 Find Cheap Flights to Portugal

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ireland to Portugal departing on 23/8. 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

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Flights Deals

Best Portugal Flight Deals

Cheapest return prices found by our users on KAYAK in the last 72 hours
Lisbon
Lisbondirect€92
Faro
Farodirect€130
Funchal
Funchaldirect€113
Porto
Porto1 stop€126
Ponta Delgada
Ponta Delgada1 stop€206
Lajes
Lajes1 stop€226
Porto Santo
Porto Santo1 stop€243
Lisbon
Lisbondirect€92
Faro
Farodirect€130
Funchal
Funchaldirect€113
Porto
Porto1 stop€126
Ponta Delgada
Ponta Delgada1 stop€206
Lajes
Lajes1 stop€226
Porto Santo
Porto Santo1 stop€243

Book Cheap Portugal Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights to Portugal 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 to Portugal

Wed, 1 Oct - Thu, 2 Oct
Ryanair Logo
19:40 - 22:30DUB-LIS
2h 50mdirect
Ryanair Logo
09:25 - 12:10LIS-DUB
2h 45mdirect
€89Ryanair
Find Deal
Tue, 15 Jul - Thu, 24 Jul
Ryanair Logo
18:05 - 21:00DUB-FAO
2h 55mdirect
Ryanair Logo
07:25 - 10:25FAO-DUB
3h 00mdirect
€91Ryanair
Find Deal
Fri, 22 Aug - Mon, 25 Aug
Aer Lingus Logo
06:00 - 08:30ORK-FAO
2h 30mdirect
Aer Lingus Logo
09:10 - 11:45FAO-ORK
2h 35mdirect
€119Aer Lingus
Find Deal
Sun, 24 Aug - Fri, 5 Sep
Aer Lingus Logo
18:45 - 21:35DUB-LIS
2h 50mdirect
Aer Lingus Logo
22:15 - 00:59LIS-DUB
2h 44mdirect
€120Aer Lingus
Find Deal
Sun, 16 Nov - Fri, 21 Nov
TAP AIR PORTUGAL Logo
11:10 - 14:00DUB-LIS
2h 50mdirect
TAP AIR PORTUGAL Logo
20:25 - 23:20LIS-DUB
2h 55mdirect
€133TAP AIR PORTUGAL
Find Deal
Thu, 21 Aug - Tue, 26 Aug
KLM Logo
13:20 - 19:30DUB-FAO
6h 10m1 stop
KLM Logo
20:35 - 12:35FAO-DUB
16h 00m1 stop
€166KLM
Find Deal
Thu, 9 Oct - Wed, 15 Oct
KLM Logo
20:45 - 07:10DUB-FAO
10h 25m1 stop
KLM Logo
08:50 - 20:15FAO-DUB
11h 25m1 stop
€175KLM
Find Deal
Sun, 5 Oct - Fri, 10 Oct
TAP AIR PORTUGAL Logo
18:50 - 23:50DUB-FAO
5h 00m1 stop
TAP AIR PORTUGAL Logo
18:20 - 00:05FAO-DUB
5h 45m1 stop
€177TAP AIR PORTUGAL
Find Deal
Wed, 8 Oct - Thu, 16 Oct
British Airways Logo
07:40 - 18:50SNN-FAO
11h 10m1 stop
British Airways Logo
12:40 - 20:35FAO-SNN
7h 55m1 stop
€499British Airways
Find Deal
Wed, 22 Oct - Wed, 19 Nov
British Airways Logo
07:40 - 17:55SNN-LIS
10h 15m1 stop
British Airways Logo
07:05 - 16:45LIS-SNN
9h 40m1 stop
€500British Airways
Find Deal
Useful Info

KAYAK's insights & trends for flights to Portugal

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

What is the cheapest flight to Portugal?

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

The cheapest ticket to Portugal from Ireland found in the last 72 hours was to Faro, at €159 return. The most popular route is Dublin (DUB) to Lisbon (LIS) and the cheapest return airline ticket found on this route in the last 72 hours was €212.

What is the cheapest month to fly from Ireland to Portugal?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ireland to Portugal, 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 from Ireland to Portugal is February, when tickets cost €188 (return) on average. On the other hand, the most expensive months are December and October, when the average cost of round-trip tickets is €594 and €441 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Portugal, 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 on the flight from Ireland to Portugal, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Which is the cheapest airport to fly into in Portugal?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Portugal is Lisbon Humberto Delgado Airport (LIS), with an average flight price of €371.


Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight€31
Best time to beat the crowds (31% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight from Dublin to Lisbon

FAQs - booking Portugal flights

  • How does KAYAK find such low prices on flights from Ireland to Portugal?

    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 from Ireland to Portugal.

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

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

  • What is the Hacker Fare option on flights from Ireland to Portugal?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Ireland to Portugal 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 from Ireland to Portugal?

    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 from Ireland to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Portugal?

    Based on KAYAK data, the cheapest day to fly to Portugal is Sunday when return tickets can be as cheap as €320. On the other hand, the most expensive day to fly is Thursday, when return prices are €551 on average.

  • What is the cheapest time of day to fly to Portugal?

    The cheapest time of day to fly to Portugal is generally in the morning, when round-trip flights cost €424 on average. Morning departures are around 35% cheaper than evening flights, on average. The most expensive time of day to fly to Portugal is generally at night, which is peak travel time and where the average cost of a ticket is €884.

Top tips for finding cheap flights to Portugal

  • Looking for cheap airfare to Portugal? 25% of our users found return tickets to Portugal for the following prices or less: From Cork €225, from Dublin €684
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Portugal flight deals.

Top 5 airlines flying to Portugal

Need help choosing which airline to fly with from Ireland to Portugal? 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.
7.8
KLMOverall score based on 1355 reviews
7.1Entertainment
7.8Boarding
7.7Comfort
7.2Food
8.4Crew
Airline reviews

Klm start boarding while somw air issue in the plan

8.0 ExcellentA, Jun 2025AMS - YYZ
Read more KLM reviews

Klm start boarding while somw air issue in the plan

The service was great. However the lounge only gets passing grade

Cabin crew were excellent, very proffesional, polite and friendly, in flight snack was underwhelming, a packet of cheese biscuits, im sure KLM could run to a sandwich!

Legroom not all it could be, especially when the seat in front is reclined. Otherwise it was good, food and beverage were nice.

You should not have to pay for WiFi in business class

Transfer at Amsterdam airport is very convenient and the airport is easy to navigate. Boarding was also quick and easy. Cabin crew were excellent and the meals were good, although lacking in options.

This fight left ahead of time which meant it arrived early which was great. Staff were very professional, but as with all these Short hop Flights the food was a disappointing snack There was no entertainment on this flight, but I did not expect any

I flew premium economy and this was a good option. Although the seats didn’t recline much, I was able to get some sleep with my head propped against the window. The food was good and the entertainment was wonderful The staff were very attentive and professional

Overall very poor. Flight was disorganised, staff were rude and this is my second experience with KLM that I've had baggage go missing. It feels like, if you are an economy customer, KLM staff do not show you any care. I shall never fly with KLM again. Worst airline in Europe

Great boarding, great short flight but no entertainment whatsoever and no wifi. Prepare to disembark by a staircase.

Each flight we took was late with little or no updates or information.

When I needed to get my bag off of the plane so that I could take a train because the connection was 4 hours later, they took 2 hours to take my bag off making me take the train and miss my flight simultaneously. The seat size on the plane is too small for an average aged woman let alone a middle-aged man. It's unacceptable and I will not fly Boeing again.

The flight was generally good but was delayed departure meant a very late arrival for a connecting flight.

PLEASE DONT TAKE FORCEFULLY(SIZE APPROPRIATE) CARRY ONS FROM PASSENGERS WHO FOR SOME REASON NEED TO KEEP IT

I slept the whole flight so I can't tell you about the food and there was no entertainment offered. Crew was very nice, seats were comfortable in business, and boarding was easy.

-Swiss airlines online check in app crashed multiple times -Zurich airport does not have very many bathrooms accessible to people with disabilities - closest disability accessible bathroom to departure gate was 1/4 mile away.

I took this flight to be able to fly with Swiss instead of Air Canada from Geneva.. The AC planes have a better outfit in Business class than Swiss, but the service aboard Swiss is really best, first-class, as is the food and beverages. Though using the same plane model (A330-300), the interior setup of the cabin starts to show its age, but IMO the planes are better serviced by Swiss than AC. I had in my recent trips with AC way too many technical problems that led to delays or even complete cancellation of my flight.. Their fleet is aging (average 20+ years) and the maintenance has taken a toll compared to years ago. Cutting costs in every corner has to be paid sometime by someone, and it's the travelers at the end that pays for it. Unfortunately for me, flying directly to Zurich puts a much longer after-fly trip on me than Geneva.. so I might go back to direct flight YUL-GVA, even if I don't like flying with AC.

For the price of the ticket it's probably the best service in the world

better announcing at the gate prior to boarding and better organization of various gps

Edelweiss is now Nickle&dimming, not even a complimentary wine on the intercontinental flight. Sitting space is the smallest I have ever seen.

At check-in the unmanned machines said QR code was invalid so had to queue for over an hour to check in bags

There was no room in the seats, smallest room we've ever had and the food was awful.

i used to fly aer Lingus regularly but due to price - poor seating etc i have been using other carriers - i now have aer lingus in my state and the price is always the highest - i have flown to Ireland 11 times in last 24 months and have not used Hartford because of price

Nicest staff I’ve experienced on a plane! Good food, great entertainment, and they gave out little blankets that my kids loved. All in all, great experience.

I dont fly them much anymore. Other carries offere better pricing and better seating options

Seats weren't very comfortable for a long haul flight but the service made up for it.

The Glasgow to Dublin route was very efficiently boarded, flight and landing and disembarkation were all super smooth. Dublin to JFK flight I was very pleasantly surprised overall. This was my first time on Aer Lingus and having already come off the short regional flight I was curious to know how the international flight would go. Aircraft was solid, entertainment options were better than expected, flight crew were experienced and operated like clockwork. Main entree left a little something to be desired but the snack was very tasty. Boarding and disembarkation again very smooth and pilots got us in earlier than expected. Would definitely fly again

Unfortunately the flight was delayed for 50 min. Just as we were about to board so that was a drag. The boarding was average. The bag check in process was new to us and efficient. And the flight itself was smooth- basically no turbulence.

I liked how they looked after couples by providing a row of 4 seats if available.

It was ok not that much because I always travel with Emirates airlines, Etihad, airlines, Qatar airlines compare to them food and comfortable was too low . Staff was good . Helpful

I’ve never had worse food in business class ever!

Checked bG chstgr was extremely high. Over $120. It was s bsit and switch knowing an international passenger would have t9 check a bag.

First, communication was terrible. The gate on our ticket was not what was reflected on the airport screens and TAP personnel were not present at either gate to answer questions. The flight was delayed and there was no announcement. Also, there was an equipment swap to a smaller airframe which affected our level of comfort. The root of all these issues was as a lack of communication. With air travel in foreign countries already being a stressful affair, lack of communication needlessly raises the level of difficulty.

Checkin was very slow, we had checked in online and hoping we could do a bag drop at the airport. However everyone with checked bags had to queue up and it took over 40mins. Our advice arrive extra early or you will be rushing to the gate.

On time, politeness, food okay but entertneiment mediocre with only old movie and the so called new we’re 2 or 3…

Do you have a bad service And And treat customers terrible

Awful. I told them to cancel my return flight and they didn’t then charged me +$800 days before the flight for a biz class upgrade bid. When I called to confirm cancellation and get refund on buz class upgrade they said I had to go thru orbitz and it was too late. Scammers. Beware.

Little leg room in business. I am tall and could use more.

Was a cheap flight and it got me to Portugal on time. For economy there was ample leg room and the flight attendants were pleasant and helpful.

Flight was packed. This was a very uncomfortable experience. Boarding process could be explained better. Despite recommending a window seat when travelling with a pet in the cabin, the seat in front of me had less space than the center and aisle seats. For Premium Economy, the seats were crammed with minimal legroom. I hate to think what Regular Economy was like. The cabin crew missed me at first when handing out meals. When my meal eventually came, there were no utensils. I'd originally booked to fly Business Class; those seats didn't look that great either.

The boarding call announcements versus the Staff announcements versus the digital signage board on the out-going and returning flights WERE NOT IN SYNC. I was sent through check and re-checks 3 times. WHY?

Business class was nothing more than Economy with middle seat empty. Uncomfortable seat and leg room. A mom behind me had a 18 month/2 yr old on her lap, who had his feet on my back all the time- while middle seat remained empty. Pretty much not worth the fare. Very disappointed.

With three empty seats across the aisle from me I politely asked the crew if I could sit in one of those seats. They initially told me I couldn't do it for my safety. When I pressed them again they blamed the captain. So which was it? I didn't appreciate either nonsense explanation simply because they didn't want to honor my request.

Very bad experience they cancelled my ticket and no body bothered to even inform me, i was on the airport and it’s come to my knowledge that it was cancelled a week back,

Great room between the seats, food was excellent, very comfortable overall and could have stayed on the plane even longer

I have noticed that the airlines, including this flight, pretend there is going to be turbulence, announce such, and say they can’t do beverage service. There is no turbulence and the seat belt light goes off 10 minutes before they ask for tray tables up and seat belts back on. They are just trying to spend less money and it’s quite transparent

Flight was great (only a short hop from London to Dublin). Wi-Fi available on board(around 2 euros), power sockets, complimentary water and biscuit. Landin/ takeoff all went without a flaw.

Nice experience. Baggage arrival in Mumbai wasn't that quick and needs improvement.

The plane was clean. The crew were lovely. Food was good - but seat 1D is a poor location. - the crews cupboard is right near your feet and they visited them frequently swishing the curtain from the galley onto my feet everytime also creating a swish of cold air each time & then slamming the door.

Once again I purchase a business class ticket and the seat is exactly the same as cattle class, the only difference being is that BA install a janky table over the middle seat so there is somewhere to place your complimentary drink, the tray table is just big enough for the small tray, so if you are not concerned about getting fed and watered on the plane or getting access to the BA lounge I would save your money and fly cattle, PS the cabin crew were exceptional in every way, shame about the equipment

Everything you need to know for your flight to Portugal

Cabin class types available on flights to Portugal

Cabin classes available on flights to Portugal. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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