€31 Find Cheap Flights from Portugal to Dublin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dublin departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Dublin

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Dublin, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Dublin, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Portugal to Dublin

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Portugal to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Portugal to Dublin

Wed, 19 Nov - Fri, 21 Nov
Ryanair Logo
06:45 - 09:05OPO-DUB
2h 20mdirect
Ryanair Logo
12:30 - 14:50DUB-OPO
2h 20mdirect
€61Ryanair
Find Deal
Thu, 25 Sep - Mon, 29 Sep
Ryanair Logo
22:15 - 01:15FAO-DUB
3h 00mdirect
Ryanair Logo
20:35 - 23:30DUB-FAO
2h 55mdirect
€61Ryanair
Find Deal
Sat, 25 Oct - Sat, 25 Oct
Ryanair Logo
07:00 - 10:00FAO-DUB
3h 00mdirect
Ryanair Logo
20:35 - 23:30DUB-FAO
2h 55mdirect
€61Ryanair
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Aer Lingus Logo
22:15 - 00:59LIS-DUB
2h 44mdirect
Aer Lingus Logo
18:45 - 21:35DUB-LIS
2h 50mdirect
€83Aer Lingus
Find Deal
Thu, 4 Dec - Sun, 7 Dec
Aer Lingus Logo
18:10 - 21:10FAO-DUB
3h 00mdirect
Aer Lingus Logo
07:30 - 10:30DUB-FAO
3h 00mdirect
€83Aer Lingus
Find Deal
Fri, 10 Oct - Sun, 12 Oct
 Logo
21:45 - 00:30LIS-DUB
2h 45mdirect
 Logo
18:45 - 21:35DUB-LIS
2h 50mdirect
Sat, 25 Oct - Sat, 1 Nov
 Logo
22:00 - 02:00FAO-DUB
4h 00mdirect
 Logo
11:35 - 18:00DUB-FAO
6h 25m1 stop
Tue, 7 Oct - Tue, 14 Oct
Vueling Logo
22:05 - 09:10LIS-DUB
11h 05m1 stop
Vueling Logo
21:35 - 08:30DUB-LIS
10h 55m1 stop
€99Vueling
Find Deal
Fri, 17 Oct - Sun, 19 Oct
TAP AIR PORTUGAL Logo
21:15 - 00:05LIS-DUB
2h 50mdirect
TAP AIR PORTUGAL Logo
10:45 - 13:40DUB-LIS
2h 55mdirect
€125TAP AIR PORTUGAL
Find Deal
Fri, 21 Nov - Sun, 23 Nov
TAP AIR PORTUGAL Logo
14:20 - 23:20OPO-DUB
9h 00m1 stop
TAP AIR PORTUGAL Logo
11:10 - 18:05DUB-OPO
6h 55m1 stop
€128TAP AIR PORTUGAL
Find Deal

Everything you should know

Top airlines
Ryanair
Most flights • 55 per week
Aer Lingus
Best reviews • 7.2 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Top routes
OPO-DUB
Cheapest
LIS-DUB
Most popular
Insights
Insights
Insights
Insights
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 51% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
January
Cheapest • 40% price drop
April
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
€61
Overall average: €145
Ryanair
Wed 19/11Fri 21/11
OPO - DUB • Direct
Cheapest one-way flight
€31
Typical prices: €63-161
Ryanair
Sat 8/11
OPO - DUB • Direct
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Dublin!
Booking Insights

KAYAK's insights & trends for flights to Dublin

Get data-powered insights and trends into flights to Dublin to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Dublin?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to Dublin was found on the route from Porto, at €60 return. The most popular connection is from Lisbon to Dublin and KAYAK users have found return deals for as low as €67 in the last 3 days.

What is the cheapest month to fly to Dublin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Dublin is January, where tickets cost €73 on average for return flights. On the other hand, the most expensive months are July and August, where the average cost of tickets from Portugal is €172 and €158 respectively. For one-way flights, the best month to travel is January with an average price of €89.

What is a good deal for flights to Dublin?

If you’re looking for cheap airfare to Dublin, 25% of our users found tickets to Dublin for the following prices or less: From Lisbon €162 return.

How far in advance should I book a flight to Dublin?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Dublin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 4 weeks before departure, which saves you about 51% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Good to know

Low seasonJuly
Cheapest flight€31
Best time to beat the crowds but there is an average 31% increase in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Porto to Dublin

FAQs - booking Dublin flights

  • What is the cheapest flight to Dublin?

    In the last 3 days, the cheapest flight deal to Dublin was found on the route from Porto, at €60 return. The most popular connection is from Lisbon to Dublin and KAYAK users have found return deals for as low as €67 in the last 3 days.

  • How far is Dublin Airport from central Dublin?

    Central Dublin is 9 km away from Dublin Airport.

  • What is the name of Dublin’s airport?

    All flights to Dublin land at Dublin Airport. The airport code is DUB,and it can also be referred to as Dublin or Dublin Airport.

  • How much is a flight to Dublin?

    On average, a flight to Dublin costs €197. The cheapest price found on KAYAK in the last 2 weeks cost €60 and departed from Lisbon Humberto Delgado Airport.

  • What is the cheapest day to fly to Dublin?

    Based on KAYAK data, the cheapest day to fly to Dublin is Thursday where round-trip tickets can be as cheap as €101. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are €172 on average.

  • How does KAYAK find such low prices on flights to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Dublin?

    The cheapest time of day to fly to Dublin is generally in the morning, when round-trip flights cost €136 on average. The most expensive time of day to fly to Dublin is generally in the afternoon, which is peak travel time and where the average cost of a ticket is €190.

Top tips for finding cheap flights to Dublin

  • Looking for cheap airfare to Dublin? 25% of our users found return tickets to Dublin for the following prices or less: From Lisbon €157
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Dublin flight deals.

Prefer to fly direct to Dublin?

 
Nonstop data is based off flight results for the next 60 days. Find direct flights from all airlines flying nonstop to Dublin.
Find which airlines fly direct to Dublin Airport, which days they fly and book direct flights.

Direct departures

Portugal to Dublin

Monday

ANA, Aegean Airlines, Aer Lingus, +64 more

ANA, Aegean Airlines, +65 more

Tuesday

ANA, Aer Lingus, Aeromexico, +66 more

ANA, Aer Lingus, +67 more

Wednesday

ANA, Aegean Airlines, Aer Lingus, +63 more

ANA, Aegean Airlines, +64 more

Thursday

ANA, Aer Lingus, Aeromexico, +70 more

ANA, Aer Lingus, +71 more

Friday

ANA, Aegean Airlines, Aer Lingus, +67 more

ANA, Aegean Airlines, +68 more

Saturday

ANA, Aer Lingus, Aeromexico, +67 more

ANA, Aer Lingus, +68 more

Sunday

ANA, Aer Lingus, Aeromexico, +71 more

ANA, Aer Lingus, +72 more

See more direct flights

Direct returns

Dublin to Portugal

Monday

ANA, Aegean Airlines, Aer Lingus, +64 more

ANA, Aegean Airlines, +65 more

Tuesday

ANA, Aer Lingus, Aeromexico, +66 more

ANA, Aer Lingus, +67 more

Wednesday

ANA, Aegean Airlines, Aer Lingus, +63 more

ANA, Aegean Airlines, +64 more

Thursday

ANA, Aer Lingus, Aeromexico, +70 more

ANA, Aer Lingus, +71 more

Friday

ANA, Aegean Airlines, Aer Lingus, +67 more

ANA, Aegean Airlines, +68 more

Saturday

ANA, Aer Lingus, Aeromexico, +67 more

ANA, Aer Lingus, +68 more

Sunday

ANA, Aer Lingus, Aeromexico, +71 more

ANA, Aer Lingus, +72 more

See more direct flights

Reviews of the top airlines flying from Portugal to Dublin

 
See real verified KAYAK customer reviews for airlines flying to Dublin. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Portugal to Dublin. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Dublin? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
Aer LingusOverall score based on 1271 reviews
8.0Crew
7.3Boarding
6.9Entertainment
6.5Food
7.1Comfort
Airline reviews

Too hot. Asked for an extra glass of water and was ignored. Asked to sit in empty seats that were open because it was so hot and crowded and was denied and the seats were empty the entire flight

6.0 GoodAnonymous, Sept 2025IND - DUB
Read more Aer Lingus reviews

Too hot. Asked for an extra glass of water and was ignored. Asked to sit in empty seats that were open because it was so hot and crowded and was denied and the seats were empty the entire flight

Terrible leg room - I’m 5’3” and my knees were touching the seat in front of me. When the person sitting in front of me leaned back, there was about 15 inches of space between my head and the TV screen which made it awkward to view movies. Last year they had decent food, but this year the only tasty item on the trip was dessert.

The flight was delayed leaving Philadelphia due to “catering” and consequently arrived in Dublin some 75 minutes later than scheduled. Consequently this caused me to miss my connecting flight to Glasgow and I had to spend the night in Dublin.

It was truly a horrible flight. We were delayed almost 2 hours. The seats were so tiny, my legs were hurting the entire flight. When i finally made it to Ireland i missed my connecting flight because we left Newark late. I will most likely never fly Aer Lingus again

Coming from the EU to the USA, Aer Lingus is a very good choice. You clear U.S. border control while still at the departure airport, so when you land in the States, you don’t need to go through the entry process again — very efficient and fast. In terms of comfort, Aer Lingus is better than the usual EU carriers like KLM, Lufthansa, or Air France, and also better than United. There’s more legroom, and the crew is helpful and kind. The food is average but slightly better than most airlines. Overall, the crew is definitely better than on American Airlines, though not quite at the level of Virgin.

Best travel day I've had in a long time. Everything went perfectly, no delays. 10 out of 10

Seat is business could have been a lot cleaner, but space was nice and seat was comfortable

Terrible. The test of an airline is how they deal with problems. There is very little to differentiate between airlines. Aer Lingus failed absolutely. They lost one of my bags even though we had more than a 2 hour connection in Dublin. Trying to get it back has been awful. In checking on line I can see that the bag is in Edinburgh and it was supposed to be delivered today. It wasn't. The number we have in the UK doesn't answer. I had to pay for an international call to speak to somebody. All the woman at the call centre could say was be patient wait. I can tell you when it will be delivered nor can I tell you who the courier is.

A little late, but an overall pleasant flight. Staff pleasent hand helpful, a great start to our holiday.

Poor check-in experience in Manchester. Delayed boarding and check-in agent never explained how to transfer in NYC to JetBlue.

Check-in guidance for transfer flight, boarding, in-flight service, seat comfort, etc.

Very rude person at the boarding desk; flight attendant coughing 3 inches from my face three times- not even covering her mouth; boarding process very unacceptable for older people with stairs to all planes (are you all stuck in the 1960’s?). I am sure that I am not remembering all of the negative things, but I am sure you get the message!

Flight was fine. Second meal ( fish sandwich on hard roll) was awful. My suitcase didn’t make the flight. It had been located, but won’t be delivered until tomorrow. Five days after flight

Boarding experience was awful. TAP claims I did not have check in luggage with tickets. I went 3-4 check in agents until I finally found a helpful kind agent who checked in my luggage with no fees. On top of that our flight was over 2 hours delayed with barely an apology or explanation.

The airport temperature at the airport and on the flight was too warm

Flight being delayed for 35 minutes had me lose the connection to my transport

Was the best airplane ✈️ ever that I never see I will traveling again again with u guys.

Flight from FNC to OBO was cancelled. We were rebooked to Lisbon later in the day. It was inconvenient but it worked out ok in the end.

Terrible flight attendant attitude. Average 3-star hotel employee has better hospitality skills. Business class seats are literally a joke. TAP executives should ride business class in other airlines to develop some rudimentary sense of what business class is.

Very pleasant flight, crew was very nice. The flight was really smooth, big plane. The seats are kind of close together, so comfort was just OK. The boarding process on the way back to New York was a little chaotic. It took a long time.There were no announcements, no loudspeaker just one staff yelling out of instructions and a lot of people crowding in before their term to board. So that could really be improved a lot.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Cavan
Wicklow
Dundalk
Gorey
Swords
Naas
Mullingar
Kildare
Bray
Tullamore
Drogheda
Enniscorthy
Arklow
Carlingford
Maynooth
Leixlip
Castleknock
Thurles
Portmarnock

Everything you need to know for your flight to Dublin

Information on the airport you'll fly into in Dublin

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