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Cheap flights from Dublin to Porto from £57

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
20 Aug — 27 Aug1
1 adult

Cheapflights Tip: The best prices from Dublin to Porto are usually found in February or January, booked 75 days in advance, depart on a Tuesday or Thursday and return on a Monday

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 15 August 2025.

Round-trip from

£113

One-way from

£57

Popular in

December

Cheapest in

February

Average price

£215

Good round-trip deal

£146 or less
Ryanair
  • Ryanair
  • 14/9-16/9
  • 1 total stop
  • 19h 05m total
  • Dublin to Porto
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23/9
  • 23/9
  • 1 total stop
  • 19h 35m total
  • Dublin to Porto
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip 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 15 August 2025.

Sun 14/906:20DUB - OPO
1 stop16h 40mRyanair
Tue 16/922:25OPO - DUB
Nonstop2h 25mRyanair
Deal found 14/8£113
Sat 27/918:30DUB - OPO
1 stop14h 35mMultiple Airlines
Sat 4/1007:00OPO - DUB
1 stop10h 50mMultiple Airlines
Deal found 13/8£117
Fri 3/1019:55DUB - OPO
1 stop26h 55mMultiple Airlines
Tue 7/1008:10OPO - DUB
1 stop10h 30mMultiple Airlines
Deal found 12/8£125
Thu 2/1018:50DUB - OPO
1 stop12h 55mTAP AIR PORTUGAL
Tue 7/1021:15OPO - DUB
1 stop12h 45mTAP AIR PORTUGAL
Deal found 13/8£133
Sat 6/907:55DUB - OPO
1 stop11h 30mRyanair
Sun 7/922:20OPO - DUB
1 stop14h 55mRyanair
Deal found 13/8£136
Fri 3/1018:50DUB - OPO
1 stop15h 10mTAP AIR PORTUGAL
Tue 7/1021:15OPO - DUB
1 stop12h 45mTAP AIR PORTUGAL
Deal found 14/8£142
Tue 9/919:05DUB - OPO
1 stop21h 40mMultiple Airlines
Tue 16/906:25OPO - DUB
1 stop12h 15mMultiple Airlines
Deal found 13/8£145
Mon 20/1010:45DUB - OPO
Nonstop2h 25mRyanair
Thu 23/1017:20OPO - DUB
Nonstop2h 25mRyanair
Deal found 13/8£150

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 15 August 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

Sun 14/9

06:20-23:00

1 stop16h 40m

Porto

Tue 16/9

22:25-00:50

Nonstop2h 25m

£113

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 27/9

18:30-09:05

1 stop14h 35m

Porto

Sat 4/10

07:00-17:50

1 stop10h 50m

£117

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 3/10

19:55-22:50

1 stop26h 55m

Porto

Tue 7/10

08:10-18:40

1 stop10h 30m

£125

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 2/10

18:50-07:45

1 stop12h 55m

Porto

Tue 7/10

21:15-10:00

1 stop12h 45m

£133

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 6/9

07:55-19:25

1 stop11h 30m

Porto

Sun 7/9

22:20-13:15

1 stop14h 55m

£136

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 3/10

18:50-08:00

1 stop13h 10m

Porto

Tue 7/10

18:00-10:00

1 stop16h 00m

£142

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 9/9

19:05-16:45

1 stop21h 40m

Porto

Tue 16/9

06:25-18:40

1 stop12h 15m

£145

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 20/10

10:45-13:10

Nonstop2h 25m

Porto

Thu 23/10

17:20-19:45

Nonstop2h 25m

£150

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 23/9

19:30-15:05

1 stop19h 35m

£57

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 27/9

19:05-07:45

1 stop12h 40m

£57

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 19 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 return 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 return flight from Dublin to Porto. Price data was last updated on 8 August 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, February is the cheapest month in which you can book a flight from Dublin to Porto (average of £66). Flying from Dublin to Porto in August is currently the most expensive (average of £258). 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 15 August 2025.

It’s typically best to fly out from Dublin to Porto in the evening. Doing so could potentially save you 19% on the flight price compared to flying at midday, which is usually more expensive.

What’s the top stopover airport for flights from Dublin to Porto?

Share of one-stop return flights from Dublin to Porto chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Lisbon (LIS) – chosen by Cheapflights users on 80% of one-stop itineraries from Dublin to Porto on Cheapflights.

What’s the cheapest stopover airport for flights from Dublin to Porto?

Average return fare for one-stop flights from Dublin to Porto, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Lisbon (LIS) is the most affordable one-stop option, with an average return flight price of £243.

What’s the fastest stopover option from Dublin to Porto?

Shortest average travel time for one-stop one-way flights from Dublin to Porto, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Madrid (MAD) have the shortest average one-way travel time for one-stop routes: 5h 20m.

Which airport typically offers the quickest stopover for flights from Dublin to Porto?

Average stopover duration for one-stop one-way flights from Dublin to Porto, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Madrid (MAD) offer the fastest connection on this route, with an average stopover time of 1h 35m.

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 15 August 2025.
Read reviews from past customers who have flown with TAP AIR PORTUGAL and Ryanair from Dublin to Porto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
TAP AIR PORTUGAL
7.1
Good
1,948 reviews
Check prices

Entertainment

6.3

Overall

7.1

Boarding

7.0

Food

6.2

Comfort

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
TAP AIR PORTUGAL
7.1
Good
1,948 reviews
TAP AIR PORTUGAL
7.1
Good
1,948 reviews
Check prices

Entertainment

6.3

Overall

7.1

Boarding

7.0

Food

6.2

Comfort

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays
Ryanair
6.8
Okay
5,153 reviews
TAP AIR PORTUGAL
7.1
Good
1,948 reviews
Check prices

Entertainment

6.3

Overall

7.1

Boarding

7.0

Food

6.2

Comfort

7.1

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Claudia,Jul 2025

EWR - LIS

Never made the trip. Had to cancel due to multiple delays

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 54 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. An alternate airline flying to your destination would be TAP AIR PORTUGAL. Ryanair is currently priced 47% below the average price you’ll pay for this route.

  • What are the cheapest flights from Dublin to Porto?

    Looking for the cheapest flight from Dublin to Porto? While on average our users pay £178, our data indicates the cheapest price to be £98. The most popular route (Dublin - Porto), is priced around £173.

  • 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 holiday 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 £66). Flying from Dublin to Porto in August is currently the most expensive (average of £258). 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

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Coimbra
Viseu
Guimarães
Vila Nova de Gaia
Chaves
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
Dublin to Faro flights

Top 2 airlines flying from Dublin to Porto

Discover the top 2 airlines 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 858,174 searches. Data last updated 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£88Average£163FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
TAP AIR PORTUGALCheapest£107Average£158FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Dublin to Porto?

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Why should you use Cheapflights to find cheap flight tickets from Dublin to Porto?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dublin to Porto for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Dublin to Porto with no change fees?

Need flexible booking options for your flight to Porto from Dublin? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Dublin to Porto become cheaper?

Of course! You can now track prices for flights from Dublin to Porto and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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