Cheap flights from Ireland to Lisbon from £39
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 Lisbon departing on 13/9. 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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Ryanair flights from Ireland to Lisbon
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TAP AIR PORTUGAL flights from Ireland to Lisbon
Our best TAP AIR PORTUGAL deals on Ireland to Lisbon flight tickets
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How to get the cheapest flight ticket from Ireland to Lisbon
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 Lisbon?
In general, January is the cheapest month to fly from Ireland to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £78. If you are unable to visit Lisbon 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 £97.
What is the cheapest day to depart on your flight to Lisbon?
The cheapest day to depart on your flight to Lisbon is on a Sunday when prices can be found for as low as £168. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Lisbon for around £235.
What is the cheapest time of day to depart on your flight to Lisbon?
At midday is the cheapest time of day to fly from Ireland to Lisbon when you can find flight prices for as low as £139. Flying to Lisbon at midday is an ideal time because this is during off-peak travel hours. Flights to Lisbon are more costly in the evening, with an average ticket price of £245. 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 Lisbon Humberto Delgado flight route?
Fly from Dublin to Lisbon Humberto Delgado for the best Ireland - Lisbon Humberto Delgado flight prices
How far in advance should I book a flight to Lisbon?
You are more likely to see cheaper flights to Lisbon from Ireland when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around £142 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Ireland for as low as £114 on momondo.
What cabin class options are available on Ireland to Lisbon Humberto Delgado flights?
There are 3 cabin classes available to choose from on Ireland to Lisbon Humberto Delgado 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 Lisbon Humberto Delgado?
Ryanair, TAP AIR PORTUGAL, and KLM are the most popular carriers operating from Ireland to Lisbon Humberto Delgado
Which airlines fly to Lisbon?
Ryanair, TAP AIR PORTUGAL and Aer Lingus are the top three most popular airlines that fly to Lisbon from Ireland according to our data. Ryanair is the first choice among our users, with 42% of people opting to fly with this airline when travelling to Lisbon. Keep in mind that there are 3 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ireland to Lisbon on average per day?
The number of flights available between Ireland and Lisbon is 3 per day as of May 2025. The most frequent departure time is 18:00, with 43% of daily flights leaving in the evening.
How many flights depart from Ireland to Lisbon on average per week?
As of May 2025, 26 flights take off from Ireland and land in Lisbon each week. The most common flight departure day for this route is Thu, with 35% of weekly flights taking off on this day.
Cheap Ireland to Lisbon flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Lisbon
When did momondo last update prices for flights from Ireland to Lisbon Humberto Delgado Airport?
Prices for flights from Ireland to Lisbon Humberto Delgado Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Lisbon Humberto Delgado Airport?
As of May 2025, there are 3 operators available to choose from for flights from Ireland to Lisbon Humberto Delgado Airport.
How old do you have to be to fly from Ireland to Lisbon Humberto Delgado Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ireland to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport 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 license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Ireland to Lisbon?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to Lisbon is Airbus A320-100/200 (28.98% of total bookings). The next most popular plane models are Embraer 195 (20.85%), Boeing 737-800 Passenger/BBJ2 (winglets) (15.36%), and Embraer 190 (14.35%).
Best airlines flying from Ireland to Lisbon
Compare and see reviews for airlines that fly from Ireland to Lisbon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £59 | Free Cancellation | Rating 6.8 5,054 reviews | |||
| PriceFrom £69 | Free Cancellation | Rating 7.0 1,076 reviews | |||
| PriceFrom £72 | Free Cancellation | Rating 7.1 1,852 reviews |
Travelling to a place near Lisbon?
Book flights to Lisbon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ireland to Lisbon?
It is quick and easy to find Ireland to Lisbon 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 Lisbon that suits you.
Can I find flights from Ireland to Lisbon with flexible booking policies on momondo?
momondo does allow users to show only those flights to Lisbon 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 Lisbon?
Once all potential Ireland to Lisbon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ireland to Lisbon right now. Can momondo alert me if prices change?
Price alerts on flights to Lisbon from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.