OPO - DUB

£27 Find Cheap Flights from Porto to Dublin – Compare and Save

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Everything you should know

Cheapest return flight
£46
Typical prices: £100-£181
Ryanair
Wed 24/10Wed 31/10
OPO - DUB • Direct
Cheapest one-way flight
£27
Typical prices: £62-£131
Ryanair
Tue 18/12
OPO - DUB • Direct
Direct flights
You can fly direct with Ryanair. Average duration is 2h 25m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 72% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 9 weeks in advance save around 51% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 40% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £65 (return)
Shortest trip • 5h 25m (one-way)
Insights
Insights
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We hope you enjoy your trip to Dublin!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Porto to Dublin (OPO-DUB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Porto to Dublin

Sat, 24 Oct - Sat, 31 Oct
Ryanair Logo
21:15 - 23:40OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
17:00 - 19:25DUB  Dublin-OPO Porto
2h 25mdirect
£46Ryanair
Fri, 6 Nov - Mon, 9 Nov
Ryanair Logo
21:45 - 00:10OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
11:25 - 13:50DUB  Dublin-OPO Porto
2h 25mdirect
£56Ryanair
Fri, 20 Nov - Sun, 22 Nov
Ryanair Logo
08:50 - 11:15OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
06:30 - 08:55DUB  Dublin-OPO Porto
2h 25mdirect
£61Ryanair
Fri, 6 Nov - Sun, 8 Nov
Ryanair Logo
21:45 - 00:10OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
06:30 - 08:55DUB  Dublin-OPO Porto
2h 25mdirect
£61Ryanair
Fri, 13 Nov - Sun, 15 Nov
Ryanair Logo
21:45 - 00:10OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
06:30 - 08:55DUB  Dublin-OPO Porto
2h 25mdirect
£63Ryanair
Fri, 20 Nov - Mon, 23 Nov
Ryanair Logo
21:45 - 00:10OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
11:25 - 13:50DUB  Dublin-OPO Porto
2h 25mdirect
£70Ryanair
Sat, 7 Nov - Tue, 10 Nov
Ryanair Logo
07:50 - 10:15OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
06:15 - 08:40DUB  Dublin-OPO Porto
2h 25mdirect
£70Ryanair
Sat, 24 Oct - Sat, 31 Oct
Ryanair Logo
21:15 - 23:40OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
15:45 - 23:10DUB  Dublin-OPO Porto
7h 25m1 stop London Stansted
£71Ryanair
Sun, 25 Oct - Wed, 28 Oct
Ryanair Logo
09:20 - 11:45OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
18:45 - 21:10DUB  Dublin-OPO Porto
2h 25mdirect
£73Ryanair
Sat, 21 Nov - Mon, 23 Nov
Ryanair Logo
19:50 - 22:15OPO  Porto-DUB Dublin
2h 25mdirect
Ryanair Logo
11:25 - 13:50DUB  Dublin-OPO Porto
2h 25mdirect
£75Ryanair
Booking Insights

Price, demand, and travel trends for Porto to Dublin flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Porto to Dublin with more confidence.

How much is a return flight from Porto to Dublin?

Return flights from Porto to Dublin start at £46. Prices are below average for this route right now, with typical return fares ranging from £100 to £181. The lowest price found in the past 5 days was £46 on Ryanair.

What's the cheapest day of the week to fly from Porto to Dublin?

Wednesday is the cheapest day of the week to fly from Porto to Dublin and is 17% cheaper than the average day. Sunday is the most expensive day with flight prices 20% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Porto to Dublin?

•January is the cheapest month to fly from Porto to Dublin at £84 return.
•July (£185) and August (£177) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 121% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Porto to Dublin the cheapest?

Flights from Porto to Dublin are cheapest 9 weeks before departure. Booking in this window typically costs about 51% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Porto to Dublin

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on DUB

An avid traveller and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg, among others, he explores the latest trends in aviation, hospitality, cruises and business.

Duncan Madden

Duncan Madden

Expert on OPO

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Key details for Porto to Dublin flights

Low season

June

Cheapest flight

£27
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flights from Porto to Dublin

When to book flights from Porto to Dublin

Are your dates flexible? Find out the best times to travel from Porto to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Porto to Dublin flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines offer extra legroom and free seat selection on Porto to Dublin flights?

    Among airlines operating Porto to Dublin flights:

    • Ryanair: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Porto to Dublin?

    Only Ryanair operates flights between Porto and Dublin.

  • Which airports can I use when flying from Porto to Dublin?

    Flights from Porto to Dublin usually depart from Porto (OPO) and arrive at Dublin (DUB).

  • Which airlines include bags at no extra cost on Porto to Dublin flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Ryanair: a cabin bag and a checked bag in Economy class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Porto to Dublin?

    Only Economy class is available on flights from Porto to Dublin.

  • How much can I save by having a stopover when flying from Porto to Dublin?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £65 return via Barcelona-El Prat (BCN), compared with £126 for direct.

  • What is the standard checked bag allowance on flights from Porto to Dublin?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £18–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Porto to Dublin?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Ryanair and Luxair. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • Which airports do connecting flights from Porto to Dublin pass through?

    One-stop flights from Porto to Dublin most commonly connect through:

    • Lisbon Humberto Delgado (LIS) – 73% of one-stop connections
    • Amsterdam Schiphol (AMS) – 9% of one-stop connections
    • Faro (FAO) – 5% of one-stop connections
    • Kastrup Copenhagen (CPH) – 3% of one-stop connections

    Lisbon Humberto Delgado (LIS) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Porto to Dublin?

    Yes. Being flexible with your travel dates can save you up to 31% on the Porto to Dublin route. Wednesday is the cheapest departure day at £116 return on average, while Sunday is the most expensive at £168, a difference of £52. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Porto to Dublin?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Porto to Dublin route, 28% of flights were delayed in the past 3 months, with delays averaging 2 hours 0 minutes.

  • How are flight departures from Porto to Dublin spread across the day?

    Night is the busiest departure period on Porto to Dublin flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Evening flights for 0%.

  • What popular places can I visit in Dublin?

    Some of the most popular sights in Dublin are Croke Park, Aviva Stadium, and The Convention Centre Dublin. These are among the most viewed places in Dublin on KAYAK.

  • What are the earliest and latest flights from Porto to Dublin?

    These are the earliest and latest flight times available from Porto to Dublin:

    • Earliest: departs at 07:50 and lands at 10:15
    • Latest: departs at 22:25 and lands at 00:50.

    The flight takes about 2h 25m.

  • How expensive are last-minute Porto to Dublin flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 51% above the route average of £139. Book 9 weeks before departure for the lowest fares.

  • How long is a flight from Porto to Dublin?

    A direct flight from Porto to Dublin takes 2h 25m, covering 848 miles.

  • Do I need a passport to fly from Porto to Dublin?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from Porto to Dublin looking right now?

    One-way fares from Porto to Dublin are currently lower than usual. Average one-way flight prices are about £34, which is 62% below the typical average for this route.

  • How does Ryanair's on-time performance compare to other airlines on Porto to Dublin flights?

    Ryanair is the only airline operating Porto to Dublin flights. 72% of its flights are on time.

  • How do delay rates compare for morning and evening flights from Porto to Dublin?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different stopover airport from Porto to Dublin?

    Flying via Manchester (MAN) gives the shortest average 1-stop total travel time of 5h 25m, compared to 5h 47m via Lisbon Humberto Delgado (LIS) and 6h 07m via Faro (FAO).

  • Which car hire options are available at Dublin Airport (DUB)?

    Dublin Airport (DUB) hosts 5 major car hire companies, with daily rates starting from around £3 for economy cars. Top options include:
    • Budget
    • Sixt
    • Easirent
    • Europcar
    • Thrifty

  • How much should I expect to pay for a Porto to Dublin flight?

    Return flights from Porto to Dublin range from £100 to £181, with an average of £139 over the past 12 months. Anything below £100 counts as a good deal.

Your guide to booking Porto to Dublin flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average £116 – about £52 less than Sunday (31% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 51% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Porto to Dublin trip for January. Fares historically average £84 return in that month – typically £102 less than the most expensive month, which is July (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Barcelona-El Prat Airport (BCN) can be cheaper than flying direct. The cheapest stopover option averages £65 return on this route – about £62 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Dublin Airport.
    - Clayton Hotel Dublin Airport
    - Maldron Hotel Dublin Airport
    - Metro Hotel Dublin Airport

Prefer to fly direct from Porto to Dublin?

 
Find which airlines fly direct from Porto Airport to Dublin Airport, which days they fly and book direct flights.

Direct departures

Porto to Dublin

Monday

Ryanair

Ryanair

Tuesday

Ryanair

Ryanair

Wednesday

Ryanair

Ryanair

Thursday

Ryanair

Ryanair

Friday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

Sunday

Ryanair

Ryanair

See more direct flights

Direct returns

Dublin to Porto

Monday

Ryanair

Ryanair

Tuesday

Ryanair

Ryanair

Wednesday

Ryanair

Ryanair

Thursday

Ryanair

Ryanair

Friday

Ryanair

Ryanair

Saturday

Ryanair

Ryanair

Sunday

Ryanair

Ryanair

See more direct flights

More options for your flight from Porto to Dublin

Complete your trip to Dublin with a hotel stay or car hire