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Cheap Flights from Porto to Shannon

Compare Porto to Shannon flight deals

Find the cheapest month or even day of the year to fly to Shannon

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Flight deals from Porto to Shannon

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Shannon Airport? If you want to travel next month, return fares start from Rs28,854. Find the lowest prices on one-way and return tickets right here.
Shannon.Rs7,924 per passenger.Departing Wed, 22 Jul.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 22 Jul, arriving in Shannon.Price includes taxes and charges.From Rs7,924, select.
Shannon.Rs7,924 per passenger.Departing Wed, 14 Oct.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 14 Oct, arriving in Shannon.Price includes taxes and charges.From Rs7,924, select.
Shannon.Rs8,311 per passenger.Departing Wed, 16 Sep.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 16 Sep, arriving in Shannon.Price includes taxes and charges.From Rs8,311, select.
Shannon.Rs15,578 per passenger.Departing Mon, 31 Aug.One-way flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Mon, 31 Aug, arriving in Shannon.Price includes taxes and charges.From Rs15,578, select.
Shannon.Rs20,610 per passenger.Departing Thu, 26 Nov.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Thu, 26 Nov, arriving in Shannon.Price includes taxes and charges.From Rs20,610, select.
Shannon.Rs24,098 per passenger.Departing Sat, 5 Dec.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Sat, 5 Dec, arriving in Shannon.Price includes taxes and charges.From Rs24,098, select.
Shannon.Rs43,757 per passenger.Departing Thu, 15 Apr.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Thu, 15 Apr, arriving in Shannon.Price includes taxes and charges.From Rs43,757, select.
Shannon.Rs63,416 per passenger.Departing Sat, 2 Jan.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Sat, 2 Jan, arriving in Shannon.Price includes taxes and charges.From Rs63,416, select.

Find the cheapest month to fly from Porto to Shannon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Shannon flights are currently cheapest in July.
Jul
from Rs7,924
Aug
from Rs15,578
Sep
from Rs8,311
Oct
from Rs7,924
Nov
from Rs20,610
Dec
from Rs24,098
Jan
from Rs63,416
Feb
Find prices
Mar
Find prices
Apr
from Rs43,757
May
Find prices
Jun
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Direct flights from Porto to Shannon

Porto to Shannon: Alternative routes

Compare routes from Porto to Shannon below. You may find an airport to fly into that's cheaper, faster, or easier than Shannon.

Shannon

4km from central Shannon
ClosestCheapest
from Rs7,932
Search flights

Spiddal Connemara

69km from central Shannon
Search flights

Kerry

74km from central Shannon
from Rs19,659
Search flights

Porto to Shannon: Flight information

The things to know before you go.
Cheapest flight foundRs7,924
Cheapest month to flyJuly
Average flight time2 hrs, 15 mins
Most popular airlineRyanair
Average flights per week3

Finding cheap flights from Porto to Shannon: Frequently asked questions

The best price we found for a return flight from Porto to Shannon is Rs15,848. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 15 minutes is the average flight time from Porto to Shannon.
Ryanair flies direct from Porto to Shannon.
As of July 2026, there are 3 flights per week flying from Porto to Shannon.
The cheapest month to fly from Porto to Shannon is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Shannon Airport on Wednesday, 14 October 2026.
Yes – the average flight time is 2 hours and 15 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Shannon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Shannon is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Ryanair offers the cheapest flight tickets to Shannon.

Flying from Porto Airport (OPO) to Shannon Airport (SNN): what you need to know

  • The average length of a direct flight from Porto Airport to Shannon Airport is 2 hours 15 minutes.

  • Shannon's timezone is UTC+0, which is the same as Porto.

  • To ensure you catch your OPO to SNN flight, leave enough time to check in and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • During popular months like August, it's best to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during a high season in general.

  • Jetting into Shannon (and then discovering more of Ireland!) is a cinch with Ryanair. This popular carrier has direct flights from Porto Airport to Shannon Airport.

  • The airline with the highest number of bookings on this route is Ryanair.

  • With 75.0% of its services landing on schedule, Ryanair is the most punctual carrier operating OPO to SNN flights.

  • If you want to split up your journey, simply uncheck 'Direct flights only' when searching for your ticket from Porto Airport to Shannon Airport. Here are the top stopovers between OPO and SNN:

    • Manchester Airport

    • Marseille Airport

    • Faro Airport

How to find the cheapest flights from Porto Airport (OPO) to Shannon Airport (SNN)

  • Rs7,924 is the lowest price for a one-way Porto Airport to Shannon Airport flight. A return flight starts from Rs15,863. These fares may change depending on availability.

  • It's usually best to book in advance if you're looking for cheap tickets from OPO to SNN. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • May is the cheapest month for flights from Porto Airport to Shannon Airport. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest airfares for each month.

  • There's no need to check back in every day to find out if fares have dropped when you create a Price Alert. We'll notify you the moment there's a change in price on cheap flights from OPO to SNN.

  • Secure the ideal flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Porto Airport to Shannon Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Porto Airport (OPO)

  • When it comes to Porto Airport's on-time performance, 75% of flights complete their journey on time.

  • To get to Porto Airport from central Porto, it takes around 20 minutes if you're planning to drive. This depends on traffic, however. It's approximately 11 kilometres from the airport to the city centre.

  • You can expect a journey time of about 30 minutes when using public transport.

  • Get your journey off to a leisurely start by staying near OPO. Whether you're boarding an early flight from Porto Airport to Shannon Airport or just don't like being rushed, these stays are perfect:

Arriving at Shannon Airport (SNN)

  • If you have a late Porto Airport to Shannon Airport flight, few things beat the convenience of being near the terminal. Pick up your bags from the carousel and then be resting not long after at one of these options near SNN:

  • Pick up a Shannon Airport rental car and discover Shannon and beyond with your own set of wheels. Easirent, Budget and Carhire are top providers to choose from here.

  • Reserving your ride from Shannon Airport around four weeks ahead increases your chances of getting a good deal.

Getting from Shannon Airport (SNN) to central Shannon

  • Shannon Airport to central Shannon has a drive time of around 5 minutes. It's approximately 3 kilometres away.

  • Getting there by public transport takes about 15 minutes.

When to fly to Shannon Airport (SNN)

  • The quietest month for a flight from Porto Airport to Shannon Airport is February, while June is the most popular. Pick the best time to visit Shannon based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Shannon is July, with temperatures ranging between 9ºC and 22ºC. Lock in your flights from Porto Airport to Shannon Airport in this month if you like this kind of weather.

  • If you like travelling in cooler conditions, search for a cheap ticket from OPO to SNN in January. Temperatures average between 0ºC and 9ºC then.

Explore more of Ireland

  • You've visited Shannon, now it's time to explore more of Ireland. Journey about 193 kilometres north-east to Dublin to tick off its leading sights. From Guinness Storehouse to Trinity College Library and St. Patrick's Cathedral, you'll have a packed itinerary ahead.

  • Cork is another favourite destination in Ireland and is around 97 kilometres south of Shannon. No trip is complete without dropping by Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

Plan the rest of your trip from Porto to Shannon

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.