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$26+ Cheap flights from Dublin (DUB) to Porto (OPO)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Find cheap flights from Dublin to Porto with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Dublin to Porto are usually found in February or January, booked 27 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Dublin to Porto

Cheapest flights from Dublin to Porto
Explore the most affordable flight options available from Dublin to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This Ryanair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ryanair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:20 pm
DUB
-
OPO
Nonstop2h 25m
Ryanair
Thu 9/1710:20 pm
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 7/31$66
This Ryanair deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ryanair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:35 pm
DUB
-
OPO
Nonstop2h 25m
Ryanair
Sun 10/259:20 am
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 7/27$72
This WAYA deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:30 pm
DUB
-
OPO
1 stop6h 10m
Ryanair
Fri 9/119:45 pm
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 7/28$84
This Booking.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:35 pm
DUB
-
OPO
Nonstop2h 25m
Ryanair
Tue 9/2210:25 pm
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 7/27$86
This Booking.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:30 pm
DUB
-
OPO
Nonstop2h 25m
Ryanair
Sun 10/259:20 am
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 7/29$115

Find flight deals from Dublin to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Porto (OPO). 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$66
(Ryanair)

One-way from

$26
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$224

Good one-way deal

$92 or less
Provider with most accurate pricing for Dublin-Porto flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Porto flights.
Search Deals
From Dublin to Porto
Search Deals
One-way flight from Dublin to Porto
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a one-way flight from Dublin to Porto.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dublin to Porto 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 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from Dublin to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 10/19

7:35 pm-10:00 pm

Nonstop2h 25m

Porto

Sun 10/25

9:20 am-11:45 am

Nonstop2h 25m

$72

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 9/21

5:00 pm-11:59 pm

1 stop6h 59m

Porto

Tue 9/22

10:25 pm-12:50 am

Nonstop2h 25m

$98

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 9/1

9:35 pm-8:00 am

1 stop10h 25m

Porto

Tue 9/15

4:50 pm-9:15 am

1 stop16h 25m

$133

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 11/20

6:00 am-8:25 am

Nonstop2h 25m

Porto

Sun 11/22

6:15 am-12:05 pm

1 stop5h 50m

$144

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 11/13

6:00 am-8:25 am

Nonstop2h 25m

Porto

Sun 11/15

9:20 am-11:45 am

Nonstop2h 25m

$144

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 8/28

7:55 am-3:40 pm

1 stop7h 45m

Porto

Fri 9/4

5:55 am-11:20 pm

2 stops17h 25m

$158

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 11/12

11:00 am-7:20 pm

1 stop8h 20m

Porto

Sun 11/15

6:10 am-4:45 pm

1 stop10h 35m

$160

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 9/18

6:50 pm-9:15 pm

Nonstop2h 25m

Porto

Sat 9/26

9:15 pm-11:40 pm

Nonstop2h 25m

$246

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 9/21

7:35 pm-10:00 pm

Nonstop2h 25m

Porto

Sun 9/27

9:45 pm-12:10 am

Nonstop2h 25m

$252

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 9/15

12:25 pm-11:25 pm

2 stops11h 00m

Porto

Thu 9/17

6:20 am-4:55 pm

2 stops10h 35m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Dublin to Porto

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Porto in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dublin to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Dublin 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 Dublin to Porto

How far ahead should I book a flight from Dublin to Porto?

To ensure you get the cheapest price possible for a flight from Dublin to Porto, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Dublin to Porto?

Currently, February is the cheapest month in which you can book a flight from Dublin to Porto (average of $161). Flying from Dublin to Porto in December is currently the most expensive (average of $301). 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 DUB to OPO?

Find hourly flight availability from Dublin to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2026.

When flying from Dublin to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 35% versus a flight at noon.

How much does it cost to fly round-trip from Dublin to Porto?

Airfare is below average for this route at the moment.

Dublin to Porto flights typically cost between $176 and $266 in September.
The cheapest round-trip price found within the last 5 days was $66 on Ryanair (Sep 15-Sep 17).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated August 1, 2026.
See what other customers who have flown with Ryanair from Dublin to Porto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,450 reviews

Overall

6.9

Boarding

6.7

Crew

7.5

Entertainment

5.7

Comfort

6.5

Food

6.0

Reviews

1 / 20
2.0
Mediocre

JD,Aug 2023

DUB - STN

There was a flight delayed for almost 3 hours and also another delayed at London airport for another additional 1;30mins
Ryanair
6.9
Okay
5,450 reviews
Ryanair
6.9
Okay
5,450 reviews

Overall

6.9

Boarding

6.7

Crew

7.5

Entertainment

5.7

Comfort

6.5

Food

6.0

Reviews

1 / 20
2.0
Mediocre

JD,Aug 2023

DUB - STN

There was a flight delayed for almost 3 hours and also another delayed at London airport for another additional 1;30mins

Related info for your journey

Find useful and relevant information for your journey from Dublin to Porto. 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 Dublin to Porto flight route?

    The Dublin to Porto flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Dublin to Porto?

    A quick flight from Dublin to Porto can take about 10h 25m. Vueling provides one of the quickest options available for as low as $133. The distance from Dublin to Porto is about 848 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Dublin to Porto round-trip?

    Ryanair, at $124, was found to be the cheapest airline from Dublin to Porto.. Ryanair is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Dublin to Porto?

    The cheapest flight price from Dublin to Porto is $64. On average you can expect to pay $94. The most popular route, (Dublin - Porto), can usually be booked for $217.

  • Can I find deals for flights from Dublin to Porto that include hotel bookings?

    Yes. In addition to deals on Dublin to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Porto?

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

  • Can I find deals for business class flights from Dublin to Porto?

    Yes. Cheapflights offers flight deals from Dublin to Porto 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 Dublin to Porto?

    Currently, February is the cheapest month in which you can book a flight from Dublin to Porto (average of $161). Flying from Dublin to Porto in December is currently the most expensive (average of $301). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to Porto

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Lisbon flights

Top airline flying from Dublin to Porto

Discover the top airline that operate flights from Dublin to Porto. 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 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$124Average$221FlexibilityNo cancel feeOn-timeN/A

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