Cheap flights from Lisbon to Ireland from £35
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Ireland departing on 22/10. 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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How to get the cheapest flight ticket from Lisbon to Ireland
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 Ireland?
The month of January is, on average, the cheapest month to fly to Ireland from Lisbon, with most prices found around £63. If you’re not able to fly to Ireland in January, then February is your next best option. Flight prices from Lisbon to Ireland during February average around £68.
What is the cheapest day to depart on your flight to Ireland?
The cheapest day to depart on your flight to Ireland is on a Friday when prices can be found for as low as £87. This is often the case because there is less demand to fly during this day of the week. Flights from Lisbon to Ireland on a Wednesday will generally be more expensive and average around £155. 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 Ireland?
In the morning is the cheapest time of day to fly from Lisbon to Ireland when you can find flight prices for as low as £100. Flying to Ireland in the morning is an ideal time because this is during off-peak travel hours. Flights to Ireland are more costly in the afternoon, with an average ticket price of £157. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Lisbon Humberto Delgado to Ireland flight route?
Fly from Lisbon Humberto Delgado to Dublin for the best Lisbon Humberto Delgado - Ireland flight prices
How far in advance should I book a flight to Ireland?
You are more likely to see cheaper flights to Ireland from Lisbon when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around £103 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Lisbon for as low as £83 on momondo.
What cabin class options are available on Lisbon Humberto Delgado to Ireland flights?
There are 1 cabin classes available to choose from on Lisbon Humberto Delgado to Ireland 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 Lisbon Humberto Delgado to Ireland?
Ryanair, Vueling, and Aer Lingus are the most popular carriers operating from Lisbon Humberto Delgado to Ireland
Which airlines fly to Ireland?
Ryanair, Aer Lingus and TAP AIR PORTUGAL are the top three most popular airlines that fly to Ireland from Lisbon according to our data. Ryanair is the first choice among our users, with 67% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 3 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.
How many flights depart from Lisbon to Ireland on average per day?
3 flights are operational daily from Lisbon to Ireland as of June 2025. The most popular departure time for this route is 21:00, with 44% of flights per day taking off in the evening.
How many flights depart from Lisbon to Ireland on average per week?
26 flights are operational weekly from Lisbon to Ireland as of June 2025. The most popular departure day for this route is Thu, with 27% of flights per week taking off on this day.
Cheap Lisbon to Ireland flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Lisbon to Ireland
When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Ireland?
Prices for flights from Lisbon Humberto Delgado Airport to Ireland were last updated today.
How many operators does momondo search for flights from Lisbon Humberto Delgado Airport to Ireland?
As of June 2025, there are 3 operators available to choose from for flights from Lisbon Humberto Delgado Airport to Ireland.
How old do you have to be to fly from Lisbon Humberto Delgado Airport to Ireland?
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 Lisbon Humberto Delgado Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The required travel and health documents for your Ireland 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 Ireland. 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 Lisbon to Ireland?
Based on momondo bookings for flights between Lisbon and Ireland, the leading plane model is Airbus A320-100/200, making up 23.45% of the total bookings. Other popular models include Boeing 737 MAX 8 with 19.11%, Embraer 195 with 16.74%, and Embraer 190 with 15.44%.
Best airlines flying from Lisbon to Ireland
Compare and see reviews for airlines that fly from Lisbon to Ireland with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £39 | Free Cancellation | Rating 7.1 1,118 reviews | |||
| PriceFrom £45 | Free Cancellation | Rating 6.8 5,121 reviews | |||
| PriceFrom £51 | Free Cancellation | Rating 7.1 1,885 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Lisbon to Ireland?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Lisbon to Ireland for you.
Can I find flights from Lisbon to Ireland with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ireland from Lisbon with this policy.
How can momondo help me find flights from Lisbon to Ireland?
Once you have performed a search for Lisbon to Ireland 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 Lisbon to Ireland right now. Can momondo alert me if prices change?
Price alerts on flights to Ireland from Lisbon 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.