How many flights depart from Ireland to Lisbon on average per day?

As of November 2025, there are 4 flights per day flying from Ireland to Lisbon. The most common time of day flights depart is 11:00, with 50% of flights taking off at midday.

Which airlines fly to Lisbon?

TAP AIR PORTUGAL, Aer Lingus and Ryanair are the top three most popular airlines that fly to Lisbon from Ireland according to our data. TAP AIR PORTUGAL is the first choice among our users, with 54% 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 long does it take to fly to Lisbon?

On average, it takes 2h 50m to fly from Ireland to Lisbon if you fly out of Dublin (the most popular airport in Ireland) and into Lisbon (the most popular airport in Lisbon). If you’re flying out of Knock and into Lisbon, then the flight time is around 5h 55m.

How many flights depart from Ireland to Lisbon on average per week?

The number of flights available between Ireland and Lisbon is 31 per week as of November 2025. The most frequent departure day is Fri, with 32% of weekly flights leaving on this day.

What is the cheapest airline that flies from Ireland to Lisbon Humberto Delgado?

Ryanair, Iberia, and TAP AIR PORTUGAL are the most popular carriers operating from Ireland to Lisbon Humberto Delgado

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 were last updated today.

How many operators does momondo search for flights from Ireland to Lisbon Humberto Delgado Airport?

The number of operators available for flights from Ireland to Lisbon Humberto Delgado Airport is 3 as of November 2025.

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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Lisbon Humberto Delgado Airport 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 licence and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

€30 Cheap Flights from Ireland to Lisbon in 2025/26

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Find the cheapest flights from Ireland to Lisbon

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Recent return flight deals from Ireland to Lisbon

Enter your travel dates to find the best prices.

06:05 - 08:55DUB-LIS

2h 50mdirect

21:05 - 12:40LIS-DUB

15h 35m1 stop

€70Multiple Airlines

Find Deal

Sun, 7 Dec - Wed, 17 Dec

18:20 - 21:10DUB-LIS

2h 50mdirect

06:40 - 09:30LIS-DUB

2h 50mdirect

€74Ryanair

Find Deal

Sat, 22 Nov - Wed, 26 Nov

15:15 - 18:15DUB-LIS

3h 00mdirect

10:50 - 13:45LIS-DUB

2h 55mdirect

€85Aer Lingus

Find Deal

Sun, 30 Nov - Mon, 8 Dec

15:15 - 18:15DUB-LIS

3h 00mdirect

10:50 - 13:45LIS-DUB

2h 55mdirect

€93Aer Lingus

Find Deal

Sun, 7 Dec - Tue, 9 Dec

15:40 - 10:35ORK-LIS

18h 55m2 stops

15:30 - 15:00LIS-ORK

23h 30m2 stops

€285KLM

Find Deal

Sat, 6 Dec - Fri, 12 Dec

17:00 - 23:30ORK-LIS

6h 30m1 stop

05:05 - 16:15LIS-ORK

11h 10m1 stop

€351Lufthansa

Find Deal

Tue, 31 Mar - Thu, 2 Apr

15:40 - 10:35ORK-LIS

18h 55m2 stops

05:00 - 15:00LIS-ORK

10h 00m2 stops

€392KLM

Find Deal

Sun, 1 Mar - Sat, 7 Mar

17:00 - 21:55ORK-LIS

28h 55m1 stop

17:45 - 16:15LIS-ORK

22h 30m2 stops

€396Lufthansa

Find Deal

Tue, 31 Mar - Thu, 2 Apr

11:55 - 17:55ORK-LIS

6h 00m1 stop

07:05 - 23:25LIS-ORK

16h 20m1 stop

€406British Airways

Find Deal

Sat, 6 Dec - Fri, 12 Dec

07:50 - 14:50SNN-LIS

7h 00m1 stop

07:05 - 19:25LIS-SNN

12h 20m1 stop

€437British Airways

Find Deal

Thu, 11 Dec - Wed, 17 Dec

Ryanair flights from Ireland to Lisbon

Our best Ryanair deals on Ireland to Lisbon flight tickets

Ryanair

22 Nov

DUB18:20Dublin

2h 50m

LIS21:10Lisbon Humberto Delgado

26 Nov

LIS06:40Lisbon Humberto Delgado

2h 50m

DUB09:30Dublin

€74

Find similar

Ryanair

25 Jan

DUB12:05Dublin

2h 50m

LIS14:55Lisbon Humberto Delgado

30 Jan

LIS20:50Lisbon Humberto Delgado

2h 50m

DUB23:40Dublin

€75

Find similar

Ryanair

4 Mar

DUB17:00Dublin

2h 50m

LIS19:50Lisbon Humberto Delgado

6 Mar

LIS20:50Lisbon Humberto Delgado

2h 50m

DUB23:40Dublin

€79

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Aer Lingus flights from Ireland to Lisbon

Our best Aer Lingus deals on Ireland to Lisbon flight tickets

Aer Lingus

30 Nov

DUB15:15Dublin

3h 00m

LIS18:15Lisbon Humberto Delgado

8 Dec

LIS10:50Lisbon Humberto Delgado

2h 55m

DUB13:45Dublin

€85

Find similar

Aer Lingus

7 Dec

DUB15:15Dublin

3h 00m

LIS18:15Lisbon Humberto Delgado

9 Dec

LIS10:50Lisbon Humberto Delgado

2h 55m

DUB13:45Dublin

€93

Find similar

Aer Lingus

25 Jan

DUB15:15Dublin

3h 00m

LIS18:15Lisbon Humberto Delgado

30 Jan

LIS10:50Lisbon Humberto Delgado

2h 55m

DUB13:45Dublin

€100

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Fly from

Fly to

Route

Depart

Return

Price

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sun 7/12

06:05-08:55

Nonstop2h 50m

Lisbon Humberto Delgado

Wed 17/12

21:05-12:40

1 stop15h 35m

€70

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sat 22/11

18:20-21:10

Nonstop2h 50m

Lisbon Humberto Delgado

Wed 26/11

06:40-09:30

Nonstop2h 50m

€74

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sun 30/11

15:15-18:15

Nonstop3h 00m

Lisbon Humberto Delgado

Mon 8/12

10:50-13:45

Nonstop2h 55m

€85

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sun 7/12

15:15-18:15

Nonstop3h 00m

Lisbon Humberto Delgado

Tue 9/12

10:50-13:45

Nonstop2h 55m

€93

CorkLisbon

ORK - LIS

ORKLIS

Cork

Sat 6/12

15:40-10:35

2 stops18h 55m

Lisbon Humberto Delgado

Fri 12/12

15:30-15:00

2 stops23h 30m

€285

CorkLisbon

ORK - LIS

ORKLIS

Cork

Tue 31/3

17:00-23:30

1 stop6h 30m

Lisbon Humberto Delgado

Thu 2/4

05:05-16:15

1 stop11h 10m

€351

CorkLisbon

ORK - LIS

ORKLIS

Cork

Sun 1/3

15:40-10:35

2 stops18h 55m

Lisbon Humberto Delgado

Sat 7/3

05:00-15:00

2 stops10h 00m

€392

CorkLisbon

ORK - LIS

ORKLIS

Cork

Tue 31/3

17:00-21:55

1 stop28h 55m

Lisbon Humberto Delgado

Thu 2/4

17:45-16:15

2 stops22h 30m

€396

CorkLisbon

ORK - LIS

ORKLIS

Cork

Sat 6/12

11:55-17:55

1 stop6h 00m

Lisbon Humberto Delgado

Fri 12/12

07:05-23:25

1 stop16h 20m

€406

ShannonLisbon

SNN - LIS

SNNLIS

Shannon

Thu 11/12

07:50-14:50

1 stop7h 00m

Lisbon Humberto Delgado

Wed 17/12

07:05-19:25

1 stop12h 20m

€437

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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

Prices

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Other information

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 €93. If you don’t want to visit Lisbon in January, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of €116.

What is the cheapest day to depart on your flight to Lisbon?

The cheapest day to depart from Ireland to Lisbon is on a Sunday. Travellers who choose to depart for Lisbon on a Sunday will often find tickets for as low as €362. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Lisbon on Thursday is €729.

What is the cheapest time of day to depart on your flight to Lisbon?

According to our data, the cheapest time of day to fly to Lisbon is in the morning. momondo users have found flights departing from Ireland to Lisbon in the morning for as low as €465. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €778 on average. Flights to Lisbon from Ireland in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around €163 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Ireland for as low as €139 on momondo.

What cabin class options are available on Ireland to Lisbon Humberto Delgado flights?

There are 2 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.

Cheap Ireland to Lisbon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Lisbon

Best price found	€91
Fastest flight time	2h 50m
Direct flights	Every day
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Ireland in the past 72 hours is €91. The best return flight deal from Ireland to Lisbon found on momondo in the last 72 hours is €236.

The fastest flight from Ireland to Lisbon takes 2h 50m

Direct flights go from Ireland to Lisbon every day.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

Search flight deals

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 were last updated today.
How many operators does momondo search for flights from Ireland to Lisbon Humberto Delgado Airport?
The number of operators available for flights from Ireland to Lisbon Humberto Delgado Airport is 3 as of November 2025.
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Lisbon Humberto Delgado Airport 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 licence and a passport valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. 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 Lisbon?
momondo data reveals that the most frequently booked plane model on the route from Ireland to Lisbon is Airbus A320-100/200, representing 23.69% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 17.44%, Boeing 737-800 Passenger/BBJ2 (winglets) at 16.42%, and Embraer 190 at 16.31%.

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
Ryanair	PriceFrom €79	Free Cancellation	Rating 6.8 5,189 reviews	Search Ryanair flights
Aer Lingus	PriceFrom €91	Free Cancellation	Rating 7.2 1,365 reviews	Search Aer Lingus flights
TAP AIR PORTUGAL	PriceFrom €106	Free Cancellation	Rating 7.1 2,048 reviews	Search TAP AIR PORTUGAL flights

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Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Lisbon?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Lisbon. momondo saves you time and could save you money on your trip.

Can I find flights from Ireland to Lisbon with flexible booking policies on momondo?

Yes. All flights to Lisbon from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Lisbon?

momondo helps you find the best flight between Ireland and Lisbon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.

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Cheap flights from Ireland to Lisbon from €30

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 3/2. 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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Our best Aer Lingus 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?

What is the cheapest day to depart on your flight to Lisbon?

What is the cheapest time of day to depart on your flight to Lisbon?

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?

What cabin class options are available on Ireland to Lisbon Humberto Delgado flights?

There are 2 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, Iberia, and TAP AIR PORTUGAL are the most popular carriers operating from Ireland to Lisbon Humberto Delgado

Which airlines fly to Lisbon?

How many flights depart from Ireland to Lisbon on average per day?

As of November 2025, there are 4 flights per day flying from Ireland to Lisbon. The most common time of day flights depart is 11:00, with 50% of flights taking off at midday.

How many flights depart from Ireland to Lisbon on average per week?

The number of flights available between Ireland and Lisbon is 31 per week as of November 2025. The most frequent departure day is Fri, with 32% of weekly flights leaving on this day.

How long does it take to fly to Lisbon?

On average, it takes 2h 50m to fly from Ireland to Lisbon if you fly out of Dublin (the most popular airport in Ireland) and into Lisbon (the most popular airport in Lisbon). If you’re flying out of Knock and into Lisbon, then the flight time is around 5h 55m.

Cheap Ireland to Lisbon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Lisbon

Best price found

Fastest flight time

Direct flights

Airports in Lisbon

When did momondo last update prices for flights from Ireland to Lisbon Humberto Delgado Airport?

How many operators does momondo search 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?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular plane model from Ireland to Lisbon?

Best airlines flying from Ireland to Lisbon

Compare and see reviews for airlines that fly from Ireland to Lisbon with momondo

Travelling to a place near Lisbon?

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Lisbon?

Can I find flights from Ireland to Lisbon with flexible booking policies on momondo?

How can momondo help me find flights from Ireland to Lisbon?

I’m not ready to book a flight from Ireland to Lisbon right now. Can momondo alert me if prices change?

An easier way to manage your Lisbon trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal