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$73+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Dublin to Porto are usually found in February or January, booked 75 days in advance, depart on a Sunday or Thursday and return on a Tuesday

Cheap 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 juin 12, 2025.

Round-trip from

$166
(Ryanair)

One-way from

$73
(Ryanair)

Popular in

August

Cheapest in

February

Average price

$293

Good round-trip deal

$260 or less

Good one-way deal

$101 or less
From Dublin to Porto
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One-way flight from Dublin to Porto
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Highest demand for flights based on searches. 16% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Dublin to Porto.
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Price to beat on a one-way flight from Dublin to Porto.
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Find 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 juin 12, 2025.

This Ryanair deal was found by Cheapflights users on 6/11. 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.
jeu. 10/28:10 pmDUB - OPO
Nonstop2h 25mRyanair
mar. 10/710:25 pmOPO - DUB
Nonstop2h 25mRyanair
Deal found 6/11$166
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/27:10 pmDUB - OPO
1 stop12h 05mMultiple Airlines
mar. 8/56:05 amOPO - DUB
1 stop14h 15mMultiple Airlines
Deal found 6/12$196
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/10. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/26:50 pmDUB - OPO
1 stop14h 20mTAP AIR PORTUGAL
mar. 10/710:30 pmOPO - DUB
1 stop11h 30mTAP AIR PORTUGAL
Deal found 6/10$214
This Transavia Smart Connect deal was found by Cheapflights users on 6/10. 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 Transavia Smart Connect is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/257:55 pmDUB - OPO
1 stop16h 55mTransavia France
lun. 9/295:45 pmOPO - DUB
1 stop23h 15mTransavia France
Deal found 6/10$233
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/3011:10 amDUB - OPO
1 stop11h 05mKLM
jeu. 9/46:30 amOPO - DUB
1 stop6h 05mKLM
Deal found 6/12$254
This SWISS deal was found by Cheapflights users on 6/12. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/26:40 pmDUB - OPO
2 stops24h 25mSWISS
mar. 9/96:15 pmOPO - DUB
2 stops23h 35mSWISS
Deal found 6/12$304
This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/128:00 pmDUB - OPO
1 stop27h 20mLufthansa
lun. 9/156:00 amOPO - DUB
1 stop10h 55mLufthansa
Deal found 6/12$355
This Scandinavian Airlines deal was found by Cheapflights users on 6/12. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 8/78:15 pmDUB - OPO
1 stop12h 30mScandinavian Airlines
lun. 8/1112:00 pmOPO - DUB
1 stop6h 15mScandinavian Airlines
Deal found 6/12$480
This Austrian Airlines deal was found by Cheapflights users on 6/12. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 7/275:55 amDUB - OPO
2 stops11h 50mAustrian Airlines
dim. 8/36:35 pmOPO - DUB
2 stops27h 40mAustrian Airlines
Deal found 6/12$505

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 juin 12, 2025.
Use the filters below to find and compare flights from Dublin to Porto that are best for you.

Fly from

Dublin

Fly to

Porto

Route

Depart

Return

Price

DublinPorto

DUB - OPO

DUBOPO

Dublin

jeu. 10/2

8:10 pm-10:35 pm

Nonstop2h 25m

Porto

mar. 10/7

10:25 pm-12:50 am

Nonstop2h 25m

$166

DublinPorto

DUB - OPO

DUBOPO

Dublin

sam. 8/2

7:10 pm-7:15 am

1 stop12h 05m

Porto

mar. 8/5

6:05 am-8:20 pm

1 stop14h 15m

$196

DublinPorto

DUB - OPO

DUBOPO

Dublin

jeu. 10/2

6:50 pm-9:10 am

1 stop14h 20m

Porto

mar. 10/7

10:30 pm-10:00 am

1 stop11h 30m

$214

DublinPorto

DUB - OPO

DUBOPO

Dublin

jeu. 9/25

7:55 pm-12:50 pm

1 stop16h 55m

Porto

lun. 9/29

5:45 pm-5:00 pm

1 stop23h 15m

$233

DublinPorto

DUB - OPO

DUBOPO

Dublin

sam. 8/30

11:10 am-10:15 pm

1 stop11h 05m

Porto

jeu. 9/4

6:30 am-12:35 pm

1 stop6h 05m

$254

DublinPorto

DUB - OPO

DUBOPO

Dublin

mar. 9/2

6:40 pm-7:05 pm

2 stops24h 25m

Porto

mar. 9/9

6:15 pm-5:50 pm

2 stops23h 35m

$304

DublinPorto

DUB - OPO

DUBOPO

Dublin

ven. 9/12

8:00 pm-11:20 pm

1 stop27h 20m

Porto

lun. 9/15

6:00 am-4:55 pm

1 stop10h 55m

$355

DublinPorto

DUB - OPO

DUBOPO

Dublin

jeu. 8/7

8:15 pm-8:45 am

1 stop12h 30m

Porto

lun. 8/11

12:00 pm-6:15 pm

1 stop6h 15m

$480

DublinPorto

DUB - OPO

DUBOPO

Dublin

dim. 7/27

5:55 am-5:45 pm

2 stops11h 50m

Porto

dim. 8/3

6:35 pm-10:15 pm

2 stops27h 40m

$505

DublinPorto

DUB - OPO

DUBOPO

Dublin

sam. 10/4

6:15 pm-8:40 pm

Nonstop2h 25m

$73

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 20 results
1
2

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?

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Porto. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Porto, you should look to book at least 75 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, January is the cheapest month in which you can book a flight from Dublin to Porto (average of $523). Flying from Dublin to Porto in June is currently the most expensive (average of $1,047). 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 juin 12, 2025.

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 evening, which can drop the price by up to 31% versus a flight in the afternoon.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 juin 12, 2025.
Read reviews from past customers who have flown Aegean Airlines, KLM and Austrian Airlines from Dublin to Porto. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very good
759 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.2
Very good
759 reviews
Aegean Airlines
8.2
Very good
759 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,358 reviews
Aegean Airlines
8.2
Very good
759 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
802 reviews
Aegean Airlines
8.2
Very good
759 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,623 reviews
Aegean Airlines
8.2
Very good
759 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Transavia France
7.4
Good
348 reviews
Aegean Airlines
8.2
Very good
759 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Dublin to Porto round-trip?

    Ryanair, at $166, was found to be the cheapest airline from Dublin to Porto.Alternate airlines to your destination round-trip include TAP AIR PORTUGAL and Transavia France. Ryanair is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Dublin to Porto one-way?

    One-way options have recently been found by users for as low as $73 on Ryanair. Other airlines that offer cheap prices include Vueling from $87 and SWISS from $117 one-way.

  • What are the cheapest flights from Dublin to Porto?

    The cheapest flight price from Dublin to Porto is $59. On average you can expect to pay $191. The most popular route, (Dublin - Porto), can usually be booked for $427.

  • 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, January is the cheapest month in which you can book a flight from Dublin to Porto (average of $523). Flying from Dublin to Porto in June is currently the most expensive (average of $1,047). 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 Dublin?

Book flights to Dublin if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

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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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$133Average$249FlexibilityNo cancel feeOn-timeN/A

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