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Cheap flights from Porto to Dublin from £30

OPO — DUB
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Porto to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Porto to Dublin

Sat 24/1021:15 -
Nonstop2h 25m
Sat 31/1017:00 -
Nonstop2h 25m
Deal found 15/9£45
Fri 20/1121:45 -
Nonstop2h 25m
Sun 22/1106:30 -
Nonstop2h 25m
Deal found 15/9£60
Fri 6/1121:45 -
Nonstop2h 25m
Sun 8/1106:30 -
Nonstop2h 25m
Deal found 14/9£61
Fri 13/1121:45 -
Nonstop2h 25m
Sun 15/1106:30 -
Nonstop2h 25m
Deal found 15/9£62
Tue 17/1109:10 -
Nonstop2h 25m
Fri 20/1118:55 -
Nonstop2h 25m
Deal found 11/9£67
Sat 24/1021:15 -
Nonstop2h 25m
Tue 27/1019:50 -
Nonstop2h 25m
Deal found 12/9£68
Sat 21/1119:50 -
Nonstop2h 25m
Mon 23/1111:25 -
Nonstop2h 25m
Deal found 14/9£74
Fri 20/1108:50 -
Nonstop2h 25m
Tue 24/1106:15 -
Nonstop2h 25m
Deal found 14/9£75
Sun 8/1109:20 -
Nonstop2h 25m
Thu 12/1115:00 -
Nonstop2h 25m
Deal found 12/9£81
Sat 28/1119:50 -
Nonstop2h 25m
Tue 1/1206:15 -
Nonstop2h 25m
Deal found 11/9£90

Find flight deals from Porto to Dublin

Round-trip from

£45

One-way from

£30

Popular in

July

Cheapest in

January

Average price

£156
Ryanair
  • Ryanair
  • 24/10-31/10
  • Nonstop
  • 4h 50m total
  • Porto to Dublin
Search Deals
Ryanair
  • Ryanair
  • 13/11-31/12
  • Nonstop
  • 2h 25m total
  • Porto to Dublin
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

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Depart

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Price

Cheapest return flight
Fastest return journey

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Fri 13/11

08:50-11:15

Nonstop2h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Sat 14/11

19:50-22:15

Nonstop2h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Sat 28/11

19:50-22:15

Nonstop2h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Sun 15/11

09:20-11:45

Nonstop2h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£36

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Sat 19/12

21:55-12:05

1 stop14h 10m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Mon 14/12

21:55-12:05

1 stop14h 10m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Sat 19/12

19:50-22:15

Nonstop2h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£44

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Mon 11/1

14:15-16:40

Nonstop2h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£50

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Fri 16/10

21:45-00:10

Nonstop2h 25m

Dublin

Wed 31/12

00:00-00:00

Nonstop0h 00m

£62

PortoDublin

OPO Porto - DUB Dublin

OPODUB

Porto

Tue 17/11

09:10-11:35

Nonstop2h 25m

Dublin

Fri 20/11

18:55-21:20

Nonstop2h 25m

£67

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Porto to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Porto with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Porto to Dublin

How far ahead should I book a flight from Porto to Dublin?

To ensure you get the cheapest price possible for a flight from Porto to Dublin, you should look to book at least 71 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 Porto to Dublin?

Currently, January is the cheapest month in which you can book a flight from Porto to Dublin (average of £84). Flying from Porto to Dublin in July is currently the most expensive (average of £183). 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 OPO to DUB?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Dublin as you normally would.

How much does it cost for a return flight from Porto to Dublin?

Airfare is below average for this route at the moment.

Porto to Dublin flights typically cost between £114 and £189 in October.
The cheapest return price found within the last 5 days was £45 on Ryanair (24 Oct–31 Oct).

Related info for your journey

  • How popular is this Porto to Dublin flight route?

    Flights from Porto to Dublin have been viewed 2 times in the past calendar month.

  • How long is the flight from Porto to Dublin?

    For as low as £81, Ryanair can have you in Dublin from Porto in 2h 25m. Airlines will cover a distance of 848 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Porto to Dublin that include hotel bookings?

    Yes. In addition to deals on Porto to Dublin flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Porto to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Dublin.

  • Can I find deals for business class flights from Porto to Dublin?

    Yes. Cheapflights offers flight deals from Porto to Dublin 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 Porto to Dublin?

    Currently, January is the cheapest month in which you can book a flight from Porto to Dublin (average of £84). Flying from Porto to Dublin in July is currently the most expensive (average of £183). 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
Arklow
Cavan
Swords
Portmarnock
Athlone
Dundalk
Bray
Wicklow
Malahide
Maynooth
Drogheda
Kildare

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Porto to Dublin

Lisbon to Dublin flights

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

Cheapflights helps you search for flights from Porto to Dublin via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Porto to Dublin.

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

Yes, we can. To see specific flights from Porto to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from Porto to Dublin on Cheapflights with our Price Alert feature and get notified when better prices are available.

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