$58 Cheap Flights from Lisbon (LIS) to Dublin (DUB)

Popular airlines from Humberto Delgado Airport (LIS) to Dublin Airport (DUB)

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Cheap Flights from Lisbon to Dublin (LIS-DUB)

Prices were available within the past 7 days and start at $58 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
Ryanair
TAP Portugal
Vueling Airlines
Aer Lingus
Iberia

Find the cheapest month to fly from Lisbon (LIS) to Dublin (DUB)

March is typically the cheapest month to fly

From $83 - $233 per traveler.

Graph displaying average flight prices per month

Flights from Lisbon (LIS) to Dublin (DUB)
Origin airport
Humberto Delgado
Destination airport
Dublin
Airlines serving
Aer Lingus, Air France, British Airways, Iberia, KLM, Lufthansa, Ryanair, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Vueling Airlines
Roundtrip price
$96
Distance
1021 mi
Average flight time
2 hours 47 mins

Lisbon to Dublin Flights

The cheapest times to fly from Lisbon to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Dublin are during the month of October. You can find some of the cheapest flights from Lisbon to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to Dublin

Sunday is one of the best days to book for cheap flights from Lisbon to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lisbon to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $58 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to Dublin Airport (DUB) cost?
You can land cheap return flights from Humberto Delgado Airport (LIS) to Dublin Airport (DUB) starting from $99. Book a seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Ryanair flight leaving LIS on July 18 2025 and touching down at DUB. The price was last updated on July 1 2025 and has not changed since.
What is the cheapest month to fly from LIS to DUB?
Snag a cheap ticket by booking your direct flight from LIS to DUB in October. You can find a one-way Ryanair flight for $49 leaving on October 19 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 1 2025 and remains unchanged.
Which airlines fly direct from Humberto Delgado Airport (LIS) to Dublin Airport (DUB)?
You can fly nonstop from Humberto Delgado Airport (LIS) to Dublin Airport (DUB) on a TAP Portugal flight.
What is the cheapest airline that flies from LIS to DUB?
Right now, the cheapest carrier offering one-way flights from LIS to DUB is Ryanair. You can jet off on this route from $55. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LIS on September 24 2025. Prices were last updated on July 1 2025 and have not changed since.
How many flights per day from Humberto Delgado Airport (LIS) to Dublin Airport (DUB)?
When jetting out of Humberto Delgado Airport (LIS), you can pick from an average of 5 daily nonstop flights to Dublin Airport (DUB).
What are the most popular departure times for flights from Humberto Delgado Airport (LIS) to Dublin Airport (DUB)?
More travelers fly between LIS and DUB at 10 AM than at any other time of day. Rather skip the crowds? Try choosing a quieter departure window and it's possible you'll save on your fare as well.
What day of the week has the most flights from LIS to DUB?
Friday offers the most flights from Humberto Delgado Airport (LIS) to Dublin Airport (DUB). Consider traveling on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Humberto Delgado Airport (LIS) to Dublin Airport (DUB)?
Hop on the earliest flight at around 6:40AM UTC+0, heading out of Humberto Delgado Airport (LIS). You'll be flying for around 2h 50m, landing at Dublin Airport (DUB) at approximately 9:30AM UTC+0.
How long does it take to fly from Humberto Delgado Airport (LIS) to Dublin Airport (DUB)?
The average flight duration from LIS to DUB is 2 hours and 53 minutes, covering a total distance of 1,000 mi.
What airline has the least delays from LIS to DUB?
Consider traveling with British Airways if you'd like to fly straight from Humberto Delgado Airport (LIS) to Dublin Airport (DUB) without any holdups. This carrier has the strongest track record for punctuality, with an on-time score of 95%. Want to get notified of any changes? You can check your flight status using the Expedia App.
What is the best time to fly from Humberto Delgado Airport (LIS) to Dublin Airport (DUB)?
To avoid potential delays on the Humberto Delgado Airport (LIS) to Dublin Airport (DUB) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Dublin from Humberto Delgado Airport (LIS)?
If you're taking a direct flight from Humberto Delgado Airport (LIS) to Dublin, Dublin Airport (DUB) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Dublin Airport (DUB) last-minute?
Booking your plane ticket from LIS to DUB just before your trip is typically more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a LIS to DUB flight and hotel package?
Opting for a LIS to DUB flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Dublin Airport (DUB)?
Usually, it's possible to cancel or reschedule your LIS to DUB flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.
*Available to One Key members.