Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Dublin to Porto from £51

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 25/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
4 May — 11 May1
1 adult

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

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 29 April 2025.

Round-trip from

£89

One-way from

£51

Popular in

December

Cheapest in

February

Average price

£154

Good round-trip deal

£173 or less

Good one-way deal

£124 or less
Ryanair
  • Ryanair
  • 18/10-21/10
  • Nonstop
  • 4h 50m total
  • Dublin to Porto
Ryanair
  • Ryanair
  • 25/6
  • Nonstop
  • 2h 25m total
  • Dublin to Porto
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Dublin to Porto.
Price to beat on a one-way flight from Dublin to Porto.

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 29 April 2025.

Sat 18/1018:15DUB - OPO
Nonstop2h 25mRyanair
Tue 21/1022:25OPO - DUB
Nonstop2h 25mRyanair
Deal found 28/4£89
Sat 4/1010:45DUB - OPO
1 stop12h 10mTAP AIR PORTUGAL
Tue 7/1022:30OPO - DUB
1 stop11h 30mTAP AIR PORTUGAL
Deal found 28/4£108
Tue 20/520:55DUB - OPO
1 stop11h 05mMultiple Airlines
Sun 25/505:55OPO - DUB
1 stop6h 00mMultiple Airlines
Deal found 29/4£120
Thu 12/611:10DUB - OPO
1 stop11h 05mKLM
Thu 19/620:20OPO - DUB
1 stop12h 00mKLM
Deal found 28/4£135
Fri 12/906:20DUB - OPO
1 stop25h 15mIberia
Mon 15/920:35OPO - DUB
1 stop15h 35mIberia
Deal found 29/4£189
Wed 20/810:40DUB - OPO
1 stop12h 40mLufthansa
Tue 26/806:15OPO - DUB
1 stop13h 00mLufthansa
Deal found 28/4£193
Thu 12/608:40DUB - OPO
1 stop9h 50mSWISS
Thu 19/619:20OPO - DUB
1 stop12h 30mSWISS
Deal found 28/4£213

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 29 April 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

Sat 18/10

18:15-20:40

Nonstop2h 25m

Porto

Tue 21/10

22:25-00:50

Nonstop2h 25m

£89

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 4/10

10:45-22:55

1 stop12h 10m

Porto

Tue 7/10

22:30-10:00

1 stop11h 30m

£108

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 20/5

20:55-08:00

1 stop11h 05m

Porto

Sun 25/5

05:55-11:55

1 stop6h 00m

£120

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 19/8

05:55-15:35

1 stop9h 40m

Porto

Wed 27/8

20:10-08:20

1 stop12h 10m

£130

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 12/9

06:20-07:35

1 stop25h 15m

Porto

Mon 15/9

20:35-12:10

1 stop15h 35m

£189

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 20/8

10:40-23:20

1 stop12h 40m

Porto

Tue 26/8

06:15-19:15

1 stop13h 00m

£193

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 12/6

08:40-18:30

1 stop9h 50m

Porto

Thu 19/6

19:20-07:50

1 stop12h 30m

£213

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 2/10

15:25-07:35

2 stops16h 10m

Porto

Tue 7/10

12:20-07:40

2 stops19h 20m

£322

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 25/6

14:15-16:40

Nonstop2h 25m

£51

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 11/5

05:30-19:00

1 stop13h 30m

£60

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 18 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 25 April 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Porto, you should look to book at least 27 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 29 April 2025.

It’s typically best to fly out from Dublin to Porto in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying at midday, which is usually more expensive.

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 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

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 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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 29 April 2025.
Read through reviews of airlines operating flights from Dublin to Porto, such as Aegean Airlines, KLM and Austrian Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

Boarding

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

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

Comfort

7.8

Crew

8.6

Overall

8.1

Entertainment

6.9

Boarding

7.8

Food

7.3

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?

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

    Ryanair, at £89, was found to be the cheapest airline from Dublin to Porto.Alternate airlines flying return to your destination include TAP AIR PORTUGAL and KLM. Ryanair is currently priced 48% below the average price you’ll pay for this route.

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

    The cheapet airlines for a one-way flight from Dublin to Porto are Ryanair (£51), TAP AIR PORTUGAL (£60), and Transavia France (£71).

  • What are the cheapest flights from Dublin to Porto?

    Looking for the cheapest flight from Dublin to Porto? While on average our users pay £158, our data indicates the cheapest price to be £100. The most popular route (Dublin - Porto), is priced around £129.

  • 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 Dublin?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dublin to Porto

See prices for flight routes from nearby airports that may be better suited for you.

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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£75Average£171FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
RyanairCheapest£87Average£157FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto from Dublin today with Cheapflights!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.