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Cheap flights from Ireland to Lisbon from €54

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 1/11. 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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Find the cheapest flights from Ireland to Lisbon

Recent return flight deals from Ireland to Lisbon

Logo
18:20 - 21:05DUB-LIS
2h 45mdirect
Logo
21:20 - 09:10LIS-DUB
11h 50m1 stop
€118
Find Deal
Fri, 17 Oct - Mon, 20 Oct
Aer Lingus Logo
18:45 - 21:35DUB-LIS
2h 50mdirect
Aer Lingus Logo
22:15 - 00:59LIS-DUB
2h 44mdirect
€119Aer Lingus
Find Deal
Sat, 20 Sep - Wed, 24 Sep
Ryanair Logo
18:10 - 21:00DUB-LIS
2h 50mdirect
Ryanair Logo
20:35 - 23:25LIS-DUB
2h 50mdirect
€120Ryanair
Find Deal
Mon, 27 Oct - Wed, 5 Nov
Ryanair Logo
18:25 - 21:10DUB-LIS
2h 45mdirect
Ryanair Logo
21:35 - 00:20LIS-DUB
2h 45mdirect
€121Ryanair
Find Deal
Tue, 23 Sep - Tue, 30 Sep
Vueling Logo
21:00 - 08:30DUB-LIS
11h 30m1 stop
Vueling Logo
21:15 - 07:50LIS-DUB
10h 35m1 stop
€129Vueling
Find Deal
Wed, 8 Oct - Sat, 11 Oct
Vueling Logo
21:30 - 08:30DUB-LIS
11h 00m1 stop
Vueling Logo
22:10 - 09:10LIS-DUB
11h 00m1 stop
€135Vueling
Find Deal
Mon, 6 Oct - Wed, 8 Oct
TAP AIR PORTUGAL Logo
04:15 - 07:10DUB-LIS
2h 55mdirect
TAP AIR PORTUGAL Logo
20:25 - 23:20LIS-DUB
2h 55mdirect
€146TAP AIR PORTUGAL
Find Deal
Sat, 15 Nov - Fri, 21 Nov
TAP AIR PORTUGAL Logo
04:25 - 07:20DUB-LIS
2h 55mdirect
TAP AIR PORTUGAL Logo
07:25 - 10:20LIS-DUB
2h 55mdirect
€148TAP AIR PORTUGAL
Find Deal
Fri, 7 Nov - Mon, 10 Nov
KLM Logo
17:15 - 23:10DUB-LIS
5h 55m1 stop
KLM Logo
05:00 - 16:20LIS-DUB
11h 20m1 stop
€159KLM
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Sat, 1 Nov - Thu, 6 Nov
KLM Logo
05:00 - 17:40ORK-LIS
12h 40m1 stop
KLM Logo
05:00 - 23:25LIS-ORK
18h 25m1 stop
€214KLM
Find Deal
Sun, 2 Nov - Wed, 5 Nov

Vueling flights from Ireland to Lisbon

Our best Vueling deals on Ireland to Lisbon flight tickets
Vueling
8 Oct
DUB21:00Dublin
11h 30m
1 stop
LIS08:30Lisbon Humberto Delgado
11 Oct
LIS21:15Lisbon Humberto Delgado
10h 35m
1 stop
DUB07:50Dublin
€129
Find similar
Vueling
6 Oct
DUB21:30Dublin
11h 00m
1 stop
LIS08:30Lisbon Humberto Delgado
8 Oct
LIS22:10Lisbon Humberto Delgado
11h 00m
1 stop
DUB09:10Dublin
€135
Find similar

TAP AIR PORTUGAL flights from Ireland to Lisbon

Our best TAP AIR PORTUGAL deals on Ireland to Lisbon flight tickets
TAP AIR PORTUGAL
15 Nov
DUB04:15Dublin
2h 55m
LIS07:10Lisbon Humberto Delgado
21 Nov
LIS20:25Lisbon Humberto Delgado
2h 55m
DUB23:20Dublin
€146
Find similar
TAP AIR PORTUGAL
7 Nov
DUB04:25Dublin
2h 55m
LIS07:20Lisbon Humberto Delgado
10 Nov
LIS07:25Lisbon Humberto Delgado
2h 55m
DUB10:20Dublin
€148
Find similar
TAP AIR PORTUGAL
7 Sept
DUB05:30Dublin
2h 55m
LIS08:25Lisbon Humberto Delgado
12 Sept
LIS21:15Lisbon Humberto Delgado
2h 50m
DUB00:05Dublin
€237
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 27 August 2025.
Use the filters below to find and compare flights from Ireland to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Fri 17/10

18:20-21:05

Nonstop2h 45m

Lisbon Humberto Delgado

Mon 20/10

21:20-09:10

1 stop11h 50m

€118

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sat 20/9

18:45-21:35

Nonstop2h 50m

Lisbon Humberto Delgado

Wed 24/9

22:15-00:59

Nonstop2h 44m

€119

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Mon 27/10

18:10-21:00

Nonstop2h 50m

Lisbon Humberto Delgado

Wed 5/11

20:35-23:25

Nonstop2h 50m

€120

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Tue 23/9

18:25-21:10

Nonstop2h 45m

Lisbon Humberto Delgado

Tue 30/9

21:35-00:20

Nonstop2h 45m

€121

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Wed 8/10

21:00-08:30

1 stop11h 30m

Lisbon Humberto Delgado

Sat 11/10

21:15-07:50

1 stop10h 35m

€129

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Mon 6/10

21:30-08:30

1 stop11h 00m

Lisbon Humberto Delgado

Wed 8/10

22:10-09:10

1 stop11h 00m

€135

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sat 15/11

04:15-07:10

Nonstop2h 55m

Lisbon Humberto Delgado

Fri 21/11

20:25-23:20

Nonstop2h 55m

€146

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Fri 7/11

04:25-07:20

Nonstop2h 55m

Lisbon Humberto Delgado

Mon 10/11

07:25-10:20

Nonstop2h 55m

€148

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sat 1/11

17:15-23:10

1 stop5h 55m

Lisbon Humberto Delgado

Thu 6/11

05:00-16:20

1 stop11h 20m

€159

CorkLisbon

ORK - LIS

ORKLIS

Cork

Sun 2/11

05:00-17:40

1 stop12h 40m

Lisbon Humberto Delgado

Wed 5/11

05:00-23:25

1 stop18h 25m

€214

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lisbon from

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 €97. 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 €110.

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 €363. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Lisbon on Tuesday is €706.

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 €422. 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 €757 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 €162 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 €122 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

€98

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Lisbon

1 airport
The best one-way flight to Lisbon from Ireland in the past 72 hours is €98. The best return flight deal from Ireland to Lisbon found on momondo in the last 72 hours is €256.
The fastest flight from Ireland to Lisbon takes 2h 45m
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?

  • 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?

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
Aer LingusPriceFrom €90Free CancellationRating
7.2
1,238 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom €105Free CancellationRating
7.1
1,963 reviews
Search TAP AIR PORTUGAL flights

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Estoril
Ericeira
Setúbal
Fátima
Caldas da Rainha
Evora
Madeira
Almada
Oeiras
Sines
Torres Vedras
Figueira da Foz
Sintra
Óbidos
Nazaré
Peniche
Palmela
Sesimbra
Comporta

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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