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Cheap flights from Dublin to Porto from £41

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Porto

Enter your travel dates to find the best prices.

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 4 December 2025.

Thu 11/1205:00DUB - OPO
1 stop6h 40mLufthansa
Sat 13/1206:15OPO - DUB
1 stop10h 55mLufthansa
Deal found 30/11£135
Mon 22/1209:15DUB - OPO
Nonstop2h 20mRyanair
Tue 6/107:05OPO - DUB
Nonstop2h 15mRyanair
Deal found 3/12£173
Fri 26/1208:50DUB - OPO
1 stop8h 25mBritish Airways
Thu 8/120:40OPO - DUB
2 stops18h 10mBritish Airways
Deal found 2/12£311
Fri 26/1211:10DUB - OPO
1 stop20h 45mTAP AIR PORTUGAL
Tue 6/120:00OPO - DUB
1 stop27h 20mTAP AIR PORTUGAL
Deal found 2/12£322
Fri 26/1208:50DUB - OPO
1 stop8h 25mBritish Airways
Fri 9/120:40OPO - DUB
2 stops18h 25mBritish Airways
Deal found 2/12£336
Fri 26/1208:50DUB - OPO
1 stop8h 25mBritish Airways
Wed 7/120:40OPO - DUB
2 stops17h 25mBritish Airways
Deal found 2/12£375
Fri 26/1211:10DUB - OPO
1 stop6h 50mTAP AIR PORTUGAL
Mon 5/117:55OPO - DUB
1 stop22h 15mTAP AIR PORTUGAL
Deal found 1/12£378
Wed 24/1217:15DUB - OPO
1 stop17h 15mKLM
Thu 1/106:35OPO - DUB
1 stop15h 35mKLM
Deal found 1/12£389
Sun 28/1211:10DUB - OPO
1 stop7h 45mTAP AIR PORTUGAL
Wed 7/112:00OPO - DUB
1 stop11h 20mTAP AIR PORTUGAL
Deal found 2/12£391
Tue 23/1207:00DUB - OPO
1 stop10h 35mBritish Airways
Thu 8/120:40OPO - DUB
2 stops18h 10mBritish Airways
Deal found 2/12£403

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 4 December 2025.

Round-trip from

£41

Popular in

June

Cheapest in

February

Average price

£178

Good round-trip deal

£145 or less
Ryanair
  • Ryanair
  • 9/1-28/1
  • Nonstop
  • 4h 40m total
  • Dublin to Porto
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Dublin to Porto.
Search Deals

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 4 December 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

Fri 9/1

12:30-14:50

Nonstop2h 20m

Porto

Wed 28/1

06:45-09:05

Nonstop2h 20m

£41

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 15/1

12:35-14:55

Nonstop2h 20m

Porto

Thu 22/1

15:20-17:40

Nonstop2h 20m

£53

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 7/1

09:50-12:10

Nonstop2h 20m

Porto

Wed 14/1

06:45-09:05

Nonstop2h 20m

£60

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 16/1

12:30-14:50

Nonstop2h 20m

Porto

Fri 23/1

09:45-12:05

Nonstop2h 20m

£62

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 20/1

18:10-20:30

Nonstop2h 20m

Porto

Fri 23/1

08:55-17:00

1 stop8h 05m

£75

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 28/2

05:45-18:55

1 stop13h 10m

Porto

Tue 3/3

21:55-12:40

1 stop14h 45m

£83

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 27/2

12:30-14:50

Nonstop2h 20m

Porto

Mon 2/3

21:55-12:40

1 stop14h 45m

£86

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 5/2

06:30-19:35

2 stops13h 05m

Porto

Sun 8/2

07:55-10:15

Nonstop2h 20m

£86

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 1/1

12:35-14:55

Nonstop2h 20m

Porto

Tue 6/1

21:05-23:25

Nonstop2h 20m

£102

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 28/2

05:45-18:55

1 stop13h 10m

Porto

Sun 1/3

06:05-14:05

1 stop8h 00m

£103

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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 28 November 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Porto, you should look to book at least 78 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, November is the cheapest month in which you can book a flight from Dublin to Porto (average of £50). Flying from Dublin to Porto in June is currently the most expensive (average of £143). 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 4 December 2025.

It’s typically best to fly out from Dublin to Porto in the evening. Doing so could potentially save you 21% on the flight price compared to flying at midday, which is usually more expensive.

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 4 December 2025.
Read reviews from past customers who have flown with 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.
Ryanair
6.8
Okay
5,212 reviews
Check prices

Crew

7.5

Entertainment

5.6

Boarding

6.7

Food

6.0

Overall

6.8

Comfort

6.5

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!
Ryanair
6.8
Okay
5,212 reviews
Ryanair
6.8
Okay
5,212 reviews
Check prices

Crew

7.5

Entertainment

5.6

Boarding

6.7

Food

6.0

Overall

6.8

Comfort

6.5

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!

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 53 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?

    Departing from Dublin to Porto will take you 2h 20m. There are 848 mi between Dublin and Porto. Most flights are nonstop.

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

    Ryanair, at £75, was found to be the cheapest airline from Dublin to Porto.. Ryanair is currently priced 54% 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 £242, our data indicates the cheapest price to be £124. The most popular route (Dublin - Porto), is priced around £160.

  • 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, November is the cheapest month in which you can book a flight from Dublin to Porto (average of £50). Flying from Dublin to Porto in June is currently the most expensive (average of £143). 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
Santa Maria da Feira
Guimarães
Coimbra
Chaves
Viseu
Vila Nova de Gaia
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 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 858,174 searches. Data last updated 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£86Average£170FlexibilityNo 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.

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