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$47+ 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 3 — Aug 101
Sun 8/3
Sun 8/10
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 Wednesday and return on a Wednesday

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 July 29, 2025.

Round-trip from

$88
(Ryanair)

One-way from

$47
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$291

Good round-trip deal

$222 or less

Good one-way deal

$94 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. 1% potential increase in price ($3 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 July 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 July 29, 2025.

This Ryanair 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 Ryanair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:35 pmDUB - OPO
Nonstop2h 25mRyanair
Thu 9/115:20 pmOPO - DUB
Nonstop2h 25mRyanair
Deal found 7/29$88
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:40 amDUB - OPO
1 stop11h 15mMultiple Airlines
Tue 9/3010:00 pmOPO - DUB
1 stop11h 10mMultiple Airlines
Deal found 7/28$151
This Vueling Global 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:05 pmDUB - OPO
1 stop18h 05mVueling
Thu 10/21:50 pmOPO - DUB
1 stop17h 35mVueling
Deal found 7/27$195
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:40 pmDUB - OPO
1 stop13h 15mSWISS
Mon 10/208:10 amOPO - DUB
2 stops28h 00mSWISS
Deal found 7/28$213
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:50 pmDUB - OPO
1 stop14h 20mTAP AIR PORTUGAL
Tue 10/710:30 pmOPO - DUB
1 stop11h 30mTAP AIR PORTUGAL
Deal found 7/28$219
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/308:00 pmDUB - OPO
1 stop27h 20mLufthansa
Thu 9/46:15 amOPO - DUB
1 stop10h 40mLufthansa
Deal found 7/28$297
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:20 pmDUB - OPO
1 stop8h 55mKLM
Sun 8/3111:35 amOPO - DUB
1 stop10h 50mKLM
Deal found 7/27$312

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 July 29, 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

Tue 9/2

7:35 pm-10:00 pm

Nonstop2h 25m

Porto

Thu 9/11

5:20 pm-7:45 pm

Nonstop2h 25m

$88

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 9/21

11:40 am-10:55 pm

1 stop11h 15m

Porto

Tue 9/30

10:00 pm-9:10 am

1 stop11h 10m

$151

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 1/24

11:55 am-10:25 pm

1 stop10h 30m

Porto

Sat 1/31

6:00 am-4:25 pm

1 stop10h 25m

$165

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 9/27

7:05 pm-1:10 pm

1 stop18h 05m

Porto

Thu 10/2

1:50 pm-7:25 am

1 stop17h 35m

$195

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 10/14

6:40 pm-7:55 am

1 stop13h 15m

Porto

Mon 10/20

8:10 am-12:10 pm

2 stops28h 00m

$213

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 10/2

6:50 pm-9:10 am

1 stop14h 20m

Porto

Tue 10/7

10:30 pm-10:00 am

1 stop11h 30m

$219

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 8/28

1:20 pm-10:15 pm

1 stop8h 55m

Porto

Sun 8/31

11:35 am-10:25 pm

1 stop10h 50m

$312

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 10/30

12:35 pm-2:55 pm

Nonstop2h 20m

$47

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 9/23

9:35 pm-4:15 pm

1 stop18h 40m

$73

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 10/19

6:20 am-9:05 pm

1 stop14h 45m

$86

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 12 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 July 25, 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 $1,033). 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 July 29, 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 21% versus a flight in the afternoon.

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 July 29, 2025.
See what other customers who have flown with KLM, SWISS, and Vueling 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.
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,683 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Vueling
7.1
Good
1,175 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
TAP AIR PORTUGAL
7.1
Good
1,929 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Iberia
7.0
Good
2,858 reviews
KLM
7.8
Good
1,383 reviews

Boarding

7.8

Overall

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 $88, was found to be the cheapest airline from Dublin to Porto.Alternate airlines to your destination round-trip include Lufthansa and Vueling. Ryanair is 61% 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 $47 on Ryanair. Other airlines that offer cheap prices include Vueling from $73 and TAP AIR PORTUGAL from $94 one-way.

  • What are the cheapest flights from Dublin to Porto?

    The cheapest flight price from Dublin to Porto is $90. On average you can expect to pay $180. 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 $1,033). 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
Aveiro
Coimbra
Matosinhos

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$133Average$256FlexibilityNo cancel feeOn-timeN/A

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