Cheap flights from Ireland to Portugal from €32
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Portugal departing on 23/8. 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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Vueling flights from Ireland to Portugal
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Ryanair flights from Ireland to Portugal
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How to get the cheapest flight ticket from Ireland to Portugal
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Portugal?
The month of January is, on average, the cheapest month to fly to Portugal from Ireland, with most prices found around €90. If you’re not able to fly to Portugal in January, then February is your next best option. Flight prices from Ireland to Portugal during February average around €113.
What is the cheapest day to depart on your flight to Portugal?
The cheapest day to depart from Ireland to Portugal is on a Sunday when prices can be found for as low as €331. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €697. These prices are subject to change though, so be sure to set up a Price Alert for flights to Portugal.
What is the cheapest time of day to depart on your flight to Portugal?
Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Ireland to Portugal during this time can be as low as €384. Flights to Portugal are more costly in the evening, with an average ticket price of €759. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Ireland to Portugal flight route?
Fly from Dublin to Lisbon Humberto Delgado for the best Ireland - Portugal flight prices
How far in advance should I book a flight to Portugal?
You are more likely to see cheaper flights to Portugal from Ireland when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around €165 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Ireland for as low as €120 on momondo.
What cabin class options are available on Ireland to Portugal flights?
There are 2 cabin classes available to choose from on Ireland to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Ireland to Portugal?
Ryanair, Aer Lingus, and Vueling are the most popular carriers operating from Ireland to Portugal
Which airlines fly to Portugal?
Aer Lingus, TAP AIR PORTUGAL and KLM are the top three most popular airlines that fly to Portugal from Ireland according to our data. Aer Lingus is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Portugal. Keep in mind that there are 5 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ireland to Portugal on average per day?
As of June 2025, 20 flights take off from Ireland and land in Portugal each day. The most common flight departure time for this route is 18:00, with 42% of daily flights taking off at midday.
How many flights depart from Ireland to Portugal on average per week?
The number of flights available between Ireland and Portugal is 141 per week as of June 2025. The most frequent departure day is Fri, with 20% of weekly flights leaving on this day.
Cheap Ireland to Portugal flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Portugal
When did momondo last update prices for flights from Ireland to Portugal?
Prices for flights from Ireland to Portugal are updated daily.
How many operators does momondo search for flights from Ireland to Portugal?
The number of operators available for flights from Ireland to Portugal is 5 as of June 2025.
How old do you have to be to fly from Ireland to Portugal?
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 Ireland to Portugal.
What documentation or ID do you need to fly to Portugal?
The necessary travel and health documents for your Portugal 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.
What is the most popular plane model from Ireland to Portugal?
momondo data reveals that the most frequently booked plane model on the route from Ireland to Portugal is Airbus A320-100/200, representing 26.06% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 19.44%, Boeing 737-800 Passenger/BBJ2 (winglets) at 15.49%, and Embraer 195 at 12.69%.
Best airlines flying from Ireland to Portugal
Compare and see reviews for airlines that fly from Ireland to Portugal with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €91 | Free Cancellation | Rating 7.1 1,117 reviews | |||
| PriceFrom €103 | Free Cancellation | Rating 7.1 1,889 reviews | |||
| PriceFrom €138 | Free Cancellation | Rating 7.8 1,360 reviews | |||
| PriceFrom €249 | Free Cancellation | Rating 7.5 1,626 reviews | |||
| PriceFrom €434 | Free Cancellation | Rating 6.6 7,015 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ireland to Portugal?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Portugal . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ireland to Portugal with flexible booking policies on momondo?
momondo does allow users to show only those flights to Portugal from Ireland which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Ireland to Portugal?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Portugal.
I’m not ready to book a flight from Ireland to Portugal right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Portugal from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.