€40 Find Cheap Flights from Porto to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Porto to Ireland departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Best Ireland Flight Deals from Porto

Cheapest return prices found by our users on KAYAK in the last 72 hours
Dublin
Dublindirect€119
Knock
Knock2 stops€4,398
Dublin
Dublindirect€119
Knock
Knock2 stops€4,398

Cheap Flights from Porto to Ireland

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Porto to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Porto to Ireland

Wed, 22 Oct - Mon, 5 Jan
Ryanair Logo
10:50 - 13:15OPO-DUB
2h 25mdirect
Ryanair Logo
09:15 - 11:35DUB-OPO
2h 20mdirect
€119Ryanair
Find Deal
Wed, 22 Oct - Mon, 5 Jan
Ryanair Logo
10:50 - 13:15OPO-DUB
2h 25mdirect
Ryanair Logo
09:15 - 11:35DUB-OPO
2h 20mdirect
€120Ryanair
Find Deal
Fri, 26 Sep - Wed, 1 Oct
 Logo
15:00 - 22:35OPO-DUB
7h 35m1 stop
 Logo
21:50 - 06:50DUB-OPO
9h 00m1 stop
€147
Find Deal
Wed, 23 Jul - Tue, 29 Jul
 Logo
06:05 - 14:35OPO-DUB
8h 30m1 stop
 Logo
20:25 - 06:45DUB-OPO
10h 20m1 stop
€150
Find Deal
Wed, 12 Nov - Fri, 14 Nov
TAP AIR PORTUGAL Logo
14:00 - 23:20OPO-DUB
9h 20m1 stop
TAP AIR PORTUGAL Logo
16:55 - 09:50DUB-OPO
16h 55m1 stop
€163TAP AIR PORTUGAL
Find Deal
Fri, 28 Nov - Sun, 30 Nov
TAP AIR PORTUGAL Logo
18:00 - 10:20OPO-DUB
16h 20m1 stop
TAP AIR PORTUGAL Logo
04:25 - 15:20DUB-OPO
10h 55m1 stop
€170TAP AIR PORTUGAL
Find Deal
Wed, 22 Oct - Mon, 5 Jan
Lufthansa Logo
06:15 - 22:15OPO-DUB
16h 00m2 stops
Lufthansa Logo
09:10 - 15:15DUB-OPO
6h 05m1 stop
€245Lufthansa
Find Deal
Wed, 29 Oct - Mon, 3 Nov
Lufthansa Logo
12:00 - 22:45OPO-DUB
10h 45m2 stops
Lufthansa Logo
09:10 - 22:25DUB-OPO
13h 15m1 stop
€257Lufthansa
Find Deal
Thu, 26 Jun - Mon, 30 Jun
SWISS Logo
08:40 - 07:50OPO-DUB
23h 10m1 stop
SWISS Logo
19:50 - 19:10DUB-OPO
23h 20m1 stop
€264SWISS
Find Deal
Thu, 26 Jun - Mon, 30 Jun
SWISS Logo
19:20 - 07:50OPO-DUB
12h 30m1 stop
SWISS Logo
19:50 - 17:25DUB-OPO
21h 35m1 stop
€287SWISS
Find Deal
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KAYAK's insights & trends for Porto to Ireland flights

Get data-powered insights and trends into flights from Porto to Ireland to help you find the cheapest flights, the best time to fly, and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Porto to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Porto to Ireland is January, when tickets cost €90 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of return tickets is €239 and €213 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Porto to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Porto to Ireland, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.


Good to know

Low seasonJuly
High seasonApril
Cheapest flight€40
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Porto to Dublin

FAQs - booking Ireland flights

  • How does KAYAK find such low prices on flights from Porto to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Porto to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Porto to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Porto to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Porto to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Porto to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Porto to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Porto to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ireland?

    The cheapest time of day to fly to Ireland is generally in the evening, when retur flights cost €222 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is €222.

Everything you need to know for your flight from Porto to Ireland

Information on your arrival and departure airports

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