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Cheap flights from Ireland to Lisbon from £25

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LIS
1 Mar — 8 Mar1
1 adult

Cheap flight deals from Ireland to Lisbon

Keep the following information in mind while searching for Ireland to Lisbon flight deals. Data was last updated 24 February 2025.

Round-trip from

£58

One-way from

£25

Popular in

December

Cheapest in

January

Average price

£106

Good round-trip deal

£109 or less

Good one-way deal

£39 or less
Ryanair
  • Ryanair
  • 5/4-6/4
  • Nonstop
  • 5h 35m total
  • Ireland to Lisbon
Search Deals
Ryanair
  • Ryanair
  • 25/3
  • Nonstop
  • 2h 50m total
  • Ireland to Lisbon
Search Deals
High demand for flights, 19% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Ireland to Lisbon Humberto Delgado.
Search Deals
Price to beat on a one-way flight from Ireland to Lisbon Humberto Delgado.
Search Deals

Find flight deals from Ireland to Lisbon

Cheapest flights from Ireland to Lisbon
Explore the most affordable flight options available from Ireland to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 February 2025.

Sat 5/418:05DUB - LIS
Nonstop2h 50mRyanair
Sun 6/405:55LIS - DUB
Nonstop2h 45mRyanair
Deal found 23/2£58
Sun 7/905:30DUB - LIS
Nonstop2h 55mMultiple Airlines
Thu 18/909:25LIS - DUB
Nonstop2h 45mMultiple Airlines
Deal found 22/2£89
Sun 6/405:30DUB - LIS
Nonstop2h 55mTAP AIR PORTUGAL
Thu 10/421:15LIS - DUB
Nonstop2h 50mTAP AIR PORTUGAL
Deal found 22/2£104
Wed 12/305:55DUB - LIS
1 stop8h 40mKLM
Wed 19/315:25LIS - DUB
1 stop16h 40mKLM
Deal found 22/2£123
Tue 25/310:45DUB - LIS
1 stop12h 45mLufthansa
Tue 1/406:15LIS - DUB
1 stop10h 40mLufthansa
Deal found 23/2£132
Sat 29/318:40DUB - LIS
1 stop15h 30mSWISS
Thu 3/405:55LIS - DUB
1 stop6h 15mSWISS
Deal found 23/2£156
Fri 9/518:45DUB - LIS
Nonstop2h 50mAer Lingus
Mon 12/511:25LIS - DUB
Nonstop2h 50mAer Lingus
Deal found 23/2£164
Sun 16/319:20DUB - LIS
1 stop13h 45mTransavia France
Fri 21/309:40LIS - DUB
1 stop9h 30mTransavia France
Deal found 22/2£194
Fri 5/909:15DUB - LIS
1 stop22h 30mIberia
Mon 15/920:45LIS - DUB
1 stop15h 25mIberia
Deal found 22/2£222

Find flights from Ireland to Lisbon within your budget

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, Cheapflights users made 858,174 searches. Data last updated 24 February 2025.

Fly from

Ireland

Fly to

Lisbon

Route

Depart

Return

Price

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sat 5/4

18:05-20:55

Nonstop2h 50m

Lisbon Humberto Delgado

Sun 6/4

05:55-08:40

Nonstop2h 45m

£58

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Tue 1/4

06:40-17:10

1 stop10h 30m

Lisbon Humberto Delgado

Thu 3/4

09:25-12:10

Nonstop2h 45m

£100

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sun 6/4

05:30-08:25

Nonstop2h 55m

Lisbon Humberto Delgado

Thu 10/4

21:15-00:05

Nonstop2h 50m

£104

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Wed 12/3

05:55-14:35

1 stop8h 40m

Lisbon Humberto Delgado

Wed 19/3

15:25-08:05

1 stop16h 40m

£123

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Tue 25/3

10:45-23:30

1 stop12h 45m

Lisbon Humberto Delgado

Tue 1/4

06:15-16:55

1 stop10h 40m

£132

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sat 29/3

18:40-10:10

1 stop15h 30m

Lisbon Humberto Delgado

Thu 3/4

05:55-12:10

1 stop6h 15m

£156

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Fri 9/5

18:45-21:35

Nonstop2h 50m

Lisbon Humberto Delgado

Mon 12/5

11:25-14:15

Nonstop2h 50m

£164

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sun 16/3

19:20-09:05

1 stop13h 45m

Lisbon Humberto Delgado

Fri 21/3

09:40-19:10

1 stop9h 30m

£194

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sun 4/5

06:20-07:45

1 stop25h 25m

Lisbon Humberto Delgado

Fri 9/5

20:45-08:30

1 stop11h 45m

£225

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Tue 25/3

16:50-19:40

Nonstop2h 50m

£25

Flights are sorted by cheapest return flights first.

Deals found on 22/2

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Ireland to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ireland to Lisbon

Get recent, data-driven insights about flights from Ireland to Lisbon including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to Lisbon?

Currently, January is the cheapest month in which you can book a flight from Ireland to Lisbon (average of £101). Flying from Ireland to Lisbon in August is currently the most expensive (average of £274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to LIS?

Find hourly flight availability from Ireland to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 February 2025.

One of the essential ways to save on airfare from Ireland to Lisbon is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 57% on airfare.

What is the cheapest day to fly from Ireland to Lisbon?

Use this chart to determine the cheapest time to fly return from Ireland to Lisbon. Price data was last updated on 16 February 2025.

Travellers seeking maximum savings on their Ireland to Lisbon flight should consider departing on Sunday at midday when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ireland to Lisbon

Explore weekly flight availability from Ireland to Lisbon. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 24 February 2025.

The most flights from IE0 to LIS are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 6.0 - 122.0 inches per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated 24 February 2025.
Get a feel of what it's like to fly with KLM, SWISS and Transavia France from Ireland to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,567 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Transavia France
7.4
Good
339 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

TAP AIR PORTUGAL
7.2
Good
1,838 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Vueling
7.1
Good
1,159 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Entertainment

7.2

Crew

8.4

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Lisbon from Ireland?

    For a flight from Ireland to Lisbon, you will be flying into Humberto Delgado. Lisbon Humberto Delgado (LIS) is just 4.2 mi from the center of the city.

  • How popular is this Ireland to Lisbon flight route?

    Within the past month, 566 users have taken a look at flights from Ireland to Lisbon Humberto Delgado.

  • What are the cheapest airlines to fly from Ireland to Lisbon one-way?

    One-way options have recently been found by users for as low as £25 on Ryanair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £46 and Aer Lingus from £50 one-way.

  • What are the most reliable airlines from Ireland to Lisbon?

    No one likes to see their flight delayed. When booking a flight from Ireland to Lisbon consider choosing Ryanair (85%), Aer Lingus (73%) or American Airlines (67%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Ireland to Lisbon?

    The cheapest flight price from Ireland to Lisbon is £23. On average you can expect to pay £410. The most popular route, (Dublin - Lisbon Humberto Delgado), can usually be booked for £138.

  • Can I find deals for flights from Ireland to Lisbon that include hotel bookings?

    Yes. In addition to deals on Ireland to Lisbon flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Lisbon.

  • Can I find deals for business class flights from Ireland to Lisbon?

    Yes. Cheapflights offers flight deals from Ireland to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from Ireland to Lisbon (average of £101). Flying from Ireland to Lisbon in August is currently the most expensive (average of £274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Ireland?

Book flights to Ireland if you plan to visit one of these locations
Madeira
Fátima
Setúbal
Costa da Caparica
Sintra
Almada
Oeiras
Nazaré
Sesimbra
Estoril
Beja
Peniche
Figueira da Foz

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Alternative routes for Ireland to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ireland to Lisbon

Discover the top 3 airlines that operate flights from Ireland to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 24 February 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£60Average£137FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£76Average£195FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£84Average£172FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Lisbon?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Lisbon from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Lisbon?

Cheapflights helps you find that perfect flight to Lisbon from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to Lisbon with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Lisbon flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ireland to Lisbon become cheaper?

Of course! You can now track prices for flights from Ireland to Lisbon and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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