Cheapflights Tip: The best prices from Lisbon Humberto Delgado to Dublin are usually found in January or February, booked 52 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Find flight deals from Lisbon to Dublin
Discover tips and strategies to find the most affordable flight options for your journey from Lisbon (LIS) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 January 2026.
Popular in
July
Cheapest in
January
Average price
C$ 116
Good one-way deal
C$ 74 or less
Highest demand for flights based on searches. 25% potential increase in price (C$ 88 potential increase over avg. RT price).
Have a flexible travel schedule? Discover the best time to fly to Dublin from Lisbon with our price prediction graph.
Estimated round-trip 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.
Cheapflights Insights
Everything you need to know about your flight from Lisbon to Dublin
Prices
Airlines
Delays
How far ahead should I book a flight from Lisbon to Dublin?
Use this chart to determine the optimal time to book a round-trip flight from Lisbon to Dublin. Price data was last updated on 23 January 2026.
The best time to book flights from Lisbon to Dublin is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Lisbon to Dublin?
Currently, February is the cheapest month in which you can book a flight from Lisbon to Dublin (average of C$ 58). Flying from Lisbon to Dublin in July is currently the most expensive (average of C$ 133). 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 LIS to DUB?
Find hourly flight availability from Lisbon to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 January 2026.
It’s typically best to fly out from Lisbon to Dublin in the evening. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Lisbon to Dublin
Explore weekly flight availability from Lisbon to Dublin. 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 27 January 2026.
The most flights from LIS to DUB are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).
How often are flights from Lisbon to Dublin delayed?
About 33% of weekly flights between Lisbon and Dublin have experienced delays in the past year, with the average delay time being 119 minutes.
What is the most punctual flight time for Lisbon to Dublin flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Lisbon to Dublin flights?
Over the past year, Aer Lingus has had the lowest number of delays on this route, with just 25% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Lisbon to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Lisbon to Dublin flight route?
Within the past month, 4 users have taken a look at flights from Lisbon Humberto Delgado to Dublin.
What are the cheapest airlines to fly from Lisbon to Dublin one-way?
The cheapest airlines for a one-way flight from Lisbon to Dublin are Ryanair (C$ 51), Aer Lingus (C$ 134), and TAP AIR PORTUGAL (C$ 180).
What are the most reliable airlines from Lisbon to Dublin?
Before booking your flight to Dublin from Lisbon, check out the most reliable airlines to get you to your destination on time: Aer Lingus (59%), Azores Airlines (51%), Portugalia( 51%).
Can I find deals for flights from Lisbon to Dublin that include hotel bookings?
Yes. In addition to deals on Lisbon to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to Dublin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to Dublin.
Can I find deals for business class flights from Lisbon to Dublin?
Yes. Cheapflights offers flight deals from Lisbon to Dublin 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 Lisbon to Dublin?
Currently, February is the cheapest month in which you can book a flight from Lisbon to Dublin (average of C$ 58). Flying from Lisbon to Dublin in July is currently the most expensive (average of C$ 133). 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.
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 27 January 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Lisbon to Dublin?
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 Dublin from Lisbon today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Lisbon to Dublin?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dublin from Lisbon.
Can Cheapflights find flights from Lisbon to Dublin with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Lisbon to Dublin, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Lisbon to Dublin become cheaper?
Yes, Cheapflights offers price alerts on Lisbon to Dublin flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.