Cheap flights from Ireland to Portugal from £26
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 17/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ireland to Portugal
Recent return flight deals from Ireland to Portugal
Recent one-way flight deals from Ireland to Portugal
Recent last minute flight deals from Ireland to Portugal
Recent direct flight deals from Ireland to Portugal
Ryanair flights from Ireland to Portugal
Our best Ryanair deals on Ireland to Portugal flight tickets
TAP AIR PORTUGAL flights from Ireland to Portugal
Our best TAP AIR PORTUGAL deals on Ireland to Portugal flight tickets
See travel insights to Portugal from
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 £80. If you are unable to visit Portugal during the month of January, then departing from Ireland during the month February is also very affordable. Most momondo users find prices during this month for around £101.
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 £174. Flights from Ireland to Portugal on a Wednesday will generally be more expensive and average around £244. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Portugal?
The cheapest time of day to fly to Portugal is at midday when flights can be purchased for as low as £144. Flights to Portugal are more costly in the evening, with an average ticket price of £278. 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 8 weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around £147 when searching 8 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 £131 on momondo.
What cabin class options are available on Ireland to Portugal flights?
There are 3 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, TAP AIR PORTUGAL, and Aer Lingus are the most popular carriers operating from Ireland to Portugal
Which airlines fly to Portugal?
Ryanair, Aer Lingus and TAP AIR PORTUGAL are the top three most popular airlines that fly to Portugal from Ireland according to our data. Ryanair is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Portugal. Keep in mind that there are 3 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?
The number of flights available between Ireland and Portugal is 2 per day as of March 2025. The most frequent departure time is 04:00, with 38% of daily flights leaving at midday.
How many flights depart from Ireland to Portugal on average per week?
As of March 2025, 19 flights take off from Ireland and land in Portugal each week. The most common flight departure day for this route is Fri, with 58% of weekly flights taking off 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?
As of March 2025, there are 3 operators available to choose from for flights from Ireland to Portugal.
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 required travel and health documents for your Portugal 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 Portugal. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ireland to Portugal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to Portugal is Airbus A320-100/200 (29.15% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (19.53%), Embraer 195 (13.45%), and Boeing 737 MAX 8 (10.95%).
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 £59 | Free Cancellation | Rating 6.8 5,006 reviews | |||
| PriceFrom £72 | Free Cancellation | Rating 7.0 1,062 reviews | |||
| PriceFrom £74 | Free Cancellation | Rating 7.1 1,827 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ireland to Portugal?
It is quick and easy to find Ireland to Portugal flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portugal that suits you.
Can I find flights from Ireland to Portugal with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Portugal from Ireland with this policy.
How can momondo help me find flights from Ireland to Portugal?
Once you have performed a search for Ireland to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ireland to Portugal right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ireland to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.