Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Dublin to Lisbon
The cheapest flights right now
Dublin – Lisbon
Outbound – Dec 5, 2026
direct
2h 50m Return – Dec 12, 2026
direct
2h 50m $75
3 days ago
Dublin – Lisbon
Outbound – Dec 5, 2026
direct
2h 50m Return – Dec 12, 2026
direct
2h 50m $77
yesterday
Dublin – Lisbon
Outbound – Dec 5, 2026
direct
2h 50m Return – Dec 12, 2026
direct
2h 50m $81
3 days ago
Dublin – Lisbon
Outbound – Dec 5, 2026
direct
2h 50m Return – Dec 12, 2026
direct
2h 50m $89
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$59
Average price of a round trip
$159
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
2h51
A flight from Dublin to Lisbon takes on average 2h51.
Best time
September
According to user searches, the ideal month to go to Lisbon is September.
The best flight deals for a week
Dublin – Lisbon
Outbound – Dec 5, 2026
direct
2h 50m Return – Dec 12, 2026
direct
2h 50m $75
3 days ago
Dublin – Lisbon
Outbound – Dec 5, 2026
direct
2h 50m Return – Dec 12, 2026
direct
2h 50m $77
yesterday
Dublin – Lisbon
Outbound – Dec 5, 2026
direct
2h 50m Return – Dec 12, 2026
direct
2h 50m $81
3 days ago
Dublin – Lisbon
Outbound – Dec 5, 2026
direct
2h 50m Return – Dec 12, 2026
direct
2h 50m $89
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Dublin to Lisbon
Check out our tips for booking your flight to Lisbon (Portugal) from Dublin (Ireland) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is November, with an average flight ticket price of $92 (calculation over the last two years). The most touristic season corresponds to the months of October, November and September.
For the cheapest flights, it is advisable to buy your ticket at least 49 days before the departure date.
The airline offering the cheapest flight tickets is Ryanair. A ticket from the airline Ryanair to Lisbon costs on average $140.
The airlines that offer the most flights are Aer Lingus, Ryanair and Portugália Airlines.
info departure city :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is a city in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {fromLocalTime}, the temperature is on average 6°C, with a minimum of 2°C and a maximum of 12°C.
The city of Dublin has 1 airport(s): Dublin
destination info :
Lisbon, Portugal
airport :
Lisbon-Humberto Delgado Airport (LIS)
local time :
Lisbon is in the country Portugal, the time zone is [[timezone]]. In Lisbon, it is currently {toLocalTime}, the temperature is on average 20°C, with a minimum of 18°C and a maximum of 23°C.
The city of Lisbon has 1 airport(s): Lisbon-Humberto Delgado
Useful info about Lisbon
What is the least touristic period to go to Lisbon?
If you want to visit Lisbon during the least touristic period, choose the month of September.
What is the most popular time to travel to Lisbon?
In Lisbon, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Dublin to Lisbon?
According to our data, it is recommended to book your flight 49 days before your departure. If you book your flight ticket 8 weeks before your departure, you may find a price below average. You can also choose morning flights that are 6% cheaper than afternoon and evening flights. The cheapest day to book a flight from Dublin to Lisbon is Saturday.
What are the arrival and destination airports when traveling between Dublin and Lisbon?
When you leave, you can leave from Dublin, and you will arrive at Lisbon-Humberto Delgado.
How to reach Dublin airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Dublin to Lisbon?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Dublin and Lisbon?
In summer, the average temperature is 21°C in Lisbon and 15°C in Dublin. The average rainfall in summer is 6 mm in Lisbon and 76 mm in Dublin. In summer, it is warmer in Lisbon and it rains less in Lisbon. In winter, it is colder in Lisbon and it rains more in Dublin.
