Cheap flights from Porto to Dublin from €40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Dublin departing on 22/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Porto to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
06:05 - 19:00
OPO
-
DUB
12h 55m
1 stop
Ryanair Logo
18:25 - 20:50
DUB
-
OPO
2h 25mdirect
€83Ryanair
Tue, 28 Jul - Sat, 8 Aug
Ryanair Logo
22:30 - 08:10
OPO
-
DUB
9h 40m
1 stop
Ryanair Logo
18:25 - 20:50
DUB
-
OPO
2h 25mdirect
€83Ryanair
Wed, 29 Jul - Sat, 8 Aug
Ryanair Logo
22:25 - 00:50
OPO
-
DUB
2h 25mdirect
Ryanair Logo
19:20 - 21:45
DUB
-
OPO
2h 25mdirect
€84Ryanair
Mon, 17 Aug - Tue, 25 Aug
Ryanair Logo
18:40 - 00:15
OPO
-
DUB
5h 35m
1 stop
Ryanair Logo
18:25 - 20:50
DUB
-
OPO
2h 25mdirect
€88Ryanair
Fri, 24 Jul - Sat, 8 Aug
Ryanair Logo
21:45 - 00:10
OPO
-
DUB
2h 25mdirect
Ryanair Logo
18:25 - 20:50
DUB
-
OPO
2h 25mdirect
€90Ryanair
Fri, 24 Jul - Sat, 8 Aug
Ryanair Logo
07:25 - 07:05
OPO
-
DUB
23h 40m
1 stop
Ryanair Logo
19:35 - 22:00
DUB
-
OPO
2h 25mdirect
€91Ryanair
Wed, 12 Aug - Mon, 17 Aug
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
Ryanair Logo
18:25 - 20:50
DUB
-
OPO
2h 25mdirect
€92Ryanair
Thu, 30 Jul - Sat, 8 Aug
Ryanair Logo
22:25 - 00:50
OPO
-
DUB
2h 25mdirect
Ryanair Logo
19:20 - 21:45
DUB
-
OPO
2h 25mdirect
€94Ryanair
Tue, 18 Aug - Tue, 25 Aug
Ryanair Logo
06:05 - 21:35
OPO
-
DUB
15h 30m
1 stop
Ryanair Logo
18:25 - 20:50
DUB
-
OPO
2h 25mdirect
€95Ryanair
Tue, 4 Aug - Sat, 8 Aug
Ryanair Logo
22:25 - 00:50
OPO
-
DUB
2h 25mdirect
Ryanair Logo
20:45 - 23:10
DUB
-
OPO
2h 25mdirect
€97Ryanair
Mon, 17 Aug - Wed, 19 Aug

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Ryanair flights from Porto to Dublin

Our best Ryanair deals on Porto to Dublin flight tickets
Ryanair
28 Jul
OPO06:05Porto
12h 55m
1 stop
DUB19:00Dublin
8 Aug
DUB18:25Dublin
2h 25m
OPO20:50Porto
€83
Ryanair
29 Jul
OPO22:30Porto
9h 40m
1 stop
DUB08:10Dublin
8 Aug
DUB18:25Dublin
2h 25m
OPO20:50Porto
€83
Ryanair
17 Aug
OPO22:25Porto
2h 25m
DUB00:50Dublin
25 Aug
DUB19:20Dublin
2h 25m
OPO21:45Porto
€84

KLM flights from Porto to Dublin

Our best KLM deals on Porto to Dublin flight tickets
KLM
30 Jun
OPO19:00Porto
13h 20m
1 stop
DUB08:20Dublin
21 Jul
DUB11:10Dublin
11h 05m
1 stop
OPO22:15Porto
€209
KLM
30 Jun
OPO19:00Porto
13h 20m
1 stop
DUB08:20Dublin
21 Jul
DUB11:10Dublin
11h 05m
1 stop
OPO22:15Porto
€222

momondo Fare Finder

 
Customise your flight search to find flights from Porto to Dublin 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, momondo users made 13,528 searches. Data last updated 29 June 2026.
Use the filters below to find and compare flights from Porto to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoDublin

OPO - DUB

OPODUB

Porto

Tue 28/7

06:05-19:00

1 stop12h 55m

Dublin

Sat 8/8

18:25-20:50

Nonstop2h 25m

€83

PortoDublin

OPO - DUB

OPODUB

Porto

Wed 29/7

22:30-08:10

1 stop9h 40m

Dublin

Sat 8/8

18:25-20:50

Nonstop2h 25m

€83
Fastest return journey

PortoDublin

OPO - DUB

OPODUB

Porto

Mon 17/8

22:25-00:50

Nonstop2h 25m

Dublin

Tue 25/8

19:20-21:45

Nonstop2h 25m

€84

PortoDublin

OPO - DUB

OPODUB

Porto

Fri 24/7

18:40-00:15

1 stop5h 35m

Dublin

Sat 8/8

18:25-20:50

Nonstop2h 25m

€88

PortoDublin

OPO - DUB

OPODUB

Porto

Fri 24/7

21:45-00:10

Nonstop2h 25m

Dublin

Sat 8/8

18:25-20:50

Nonstop2h 25m

€90

PortoDublin

OPO - DUB

OPODUB

Porto

Wed 12/8

07:25-07:05

1 stop23h 40m

Dublin

Mon 17/8

19:35-22:00

Nonstop2h 25m

€91

PortoDublin

OPO - DUB

OPODUB

Porto

Thu 30/7

22:20-00:45

Nonstop2h 25m

Dublin

Sat 8/8

18:25-20:50

Nonstop2h 25m

€92

PortoDublin

OPO - DUB

OPODUB

Porto

Tue 18/8

22:25-00:50

Nonstop2h 25m

Dublin

Tue 25/8

19:20-21:45

Nonstop2h 25m

€94

PortoDublin

OPO - DUB

OPODUB

Porto

Tue 4/8

06:05-21:35

1 stop15h 30m

Dublin

Sat 8/8

18:25-20:50

Nonstop2h 25m

€95

PortoDublin

OPO - DUB

OPODUB

Porto

Mon 17/8

22:25-00:50

Nonstop2h 25m

Dublin

Wed 19/8

20:45-23:10

Nonstop2h 25m

€97

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Dublin from

How to get the cheapest flight ticket from Porto to Dublin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Porto and Dublin?

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Porto during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €118.

What is the cheapest Porto to Dublin flight route?

Fly from Porto to Dublin for the best Porto - Dublin flight prices

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

You are more likely to see cheaper flights to Dublin from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €164 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Porto for as low as €123 on momondo.

What cabin class options are available on Porto to Dublin flights?

There is only 1 cabin class available to choose from on Porto to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Porto to Dublin flights?

You could potentially save up to 66% on your flight if you consider stops on a Porto to Dublin flight.

How have Porto to Dublin flight prices changed over time?

As of June 2026, prices for Porto to Dublin flights are approximately 45% cheaper when compared to flights at the same time last year.

When to book flights from Porto to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Porto to Dublin (OPO to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Dublin

Fastest flight time

2h 25m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Dublin

1 airport
The fastest flight from Porto to Dublin takes 2h 25m
Direct flights go from Porto to Dublin on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..
There is 1 airport in Dublin. From Porto there are direct flights to Dublin (DUB).

Frequently asked questions about flying from Porto to Dublin

  • How far is Porto to Dublin by plane?

    There are 1365.6 km between Porto and Dublin. 2h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Porto Airport to Dublin Airport?

    Prices for flights from Porto Airport to Dublin Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Porto Airport to Dublin Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Porto to Dublin?

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Cavan
Wicklow
Dundalk
Naas
Swords
Bray
Gorey
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Carlingford
Enniscorthy
Malahide
Drogheda
Portmarnock

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Dublin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto to Dublin . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Porto to Dublin with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Dublin from Porto with this policy.

How can momondo help me find flights from Porto to Dublin?

momondo helps you find the best flight between Porto and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Porto to Dublin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Porto to Dublin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dublin and let you know when they change.

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1 adult
Wed 29/7
Wed 5/8