Cheap Flights from Porto to Shannon from $219

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Flight deals from Porto to Shannon

Looking for a cheap last-minute deal or the best return flight from Porto to Shannon? Find the lowest prices on one-way and return tickets right here.

Shannon.$219 per passenger.Departing Sat, 7 Feb, returning Tue, 10 Feb.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Sat, 7 Feb, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Tue, 10 Feb, arriving in Porto.Price includes taxes and charges.From $219, select.

Shannon.$220 per passenger.Departing Wed, 13 May, returning Sun, 24 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 13 May, arriving in Shannon.Inbound direct flight with Ryanair departs from Shannon on Sun, 24 May, arriving in Porto.Price includes taxes and charges.From $220, select.

Shannon.$220 per passenger.Departing Wed, 27 May, returning Sun, 7 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 27 May, arriving in Shannon.Inbound direct flight with Ryanair departs from Shannon on Sun, 7 Jun, arriving in Porto.Price includes taxes and charges.From $220, select.

Shannon.$229 per passenger.Departing Wed, 29 Apr, returning Sun, 3 May.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 29 Apr, arriving in Shannon.Inbound direct flight with Ryanair departs from Shannon on Sun, 3 May, arriving in Porto.Price includes taxes and charges.From $229, select.

Shannon.$246 per passenger.Departing Wed, 15 Apr, returning Sun, 26 Apr.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 15 Apr, arriving in Shannon.Inbound direct flight with Ryanair departs from Shannon on Sun, 26 Apr, arriving in Porto.Price includes taxes and charges.From $246, select.

Shannon.$255 per passenger.Departing Wed, 10 Jun, returning Sun, 14 Jun.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 10 Jun, arriving in Shannon.Inbound direct flight with Ryanair departs from Shannon on Sun, 14 Jun, arriving in Porto.Price includes taxes and charges.From $255, select.

Shannon.$268 per passenger.Departing Thu, 15 Jan, returning Thu, 22 Jan.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Thu, 15 Jan, arriving in Shannon.Inbound indirect flight with Ryanair, departs from Shannon on Thu, 22 Jan, arriving in Porto.Price includes taxes and charges.From $268, select.

Shannon.$279 per passenger.Departing Wed, 24 Jun, returning Sun, 12 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Porto on Wed, 24 Jun, arriving in Shannon.Inbound direct flight with Ryanair departs from Shannon on Sun, 12 Jul, arriving in Porto.Price includes taxes and charges.From $279, 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 February.

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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.

Porto to Shannon: Flight information

The things to know before you go.

Cheapest flight found	$219
Cheapest month to fly	February
Average flight time	2 hrs, 15 mins
Most popular airline	Ryanair
Average flights per week	3

Finding cheap flights from Porto to Shannon: Frequently asked questions

How much are return flights from Porto to Shannon?

The best price we found for a return flight from Porto to Shannon is $219. 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.

How long does it take to fly from Porto to Shannon?

2 hours and 15 minutes is the average flight time from Porto to Shannon.

Which airlines fly direct from Porto to Shannon?

Ryanair flies direct from Porto to Shannon.

How many flights are there a week from Porto to Shannon?

As of December 2025, there are 3 flights per week flying from Porto to Shannon.

When is the cheapest time to fly from Porto to Shannon?

The cheapest month to fly from Porto to Shannon is usually February.

Which upcoming date is cheapest to fly from Porto Airport to Shannon Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Shannon Airport on Saturday, 7 February 2026.

Can I get a direct flight from Porto Airport to Shannon Airport?

Yes – the average flight time is 2 hours and 15 minutes.

How can I find the best flight deal to Shannon?

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.

When is the best time to book flights to Shannon?

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.

Which is the cheapest airline to fly from Porto Airport to Shannon with?

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.
Porto and Shannon follow the same timezone, UTC+0.
Get to the airport on time so you don't miss your OPO to SNN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.
You can expect longer queues during popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure will help ensure a smooth travel experience.
Ryanair is your ticket to exploring Shannon (and perhaps some other exciting corners of Ireland!). Browse the direct flights from Porto Airport to Shannon Airport offered by this popular carrier.
Ryanair tops the list for bookings on this route.
Think about adding a stopover when booking your ticket from Porto Airport to Shannon Airport. Just deselect 'Direct flights only' to break up your trip, or even explore someplace new along the way. Check out these options between OPO and SNN:
- Manchester Airport
- Faro Airport
- Marseille Provence Airport

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

Right now, $94 is the cheapest price we've seen for a one-way Porto Airport to Shannon Airport flight. The best price for a return ticket is $219. Bear in mind that fares can change due to demand at the time of booking.
Book six months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from OPO to SNN.
Schedule your trip for May. That's the cheapest month for flights from Porto Airport to Shannon Airport. If you're flexible with your travel dates, try out the 'Whole month' tool to find the cheapest airfare across every month.
Save time looking for cheap flights from OPO to SNN by creating a Price Alert. You'll get an email or push notification on the app when fares go down.
Tailor your trip with filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Porto Airport to Shannon Airport.

Handy information about Porto Airport (OPO)

74.49% of flights that take off from Porto Airport make it to their destination on time.
To reach Porto Airport from central Porto, it takes about 20 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 16 kilometres from the airport to the city centre.
The trip when using public transport takes roughly 50 minutes.
Catching an early flight from Porto Airport to Shannon Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these stays near OPO:

Arriving at Shannon Airport (SNN)

If you're arriving on a late Porto Airport to Shannon Airport flight, few things top the convenience of being close to the terminal. Collect your bags from the carousel and then be resting not long after at one of these options near SNN:
Grab a Shannon Airport rental car and discover Shannon and beyond with your own wheels. Easirent, Budget and Carhire are well-known companies to choose from here.
Lock in the lowest price by reserving your ride from Shannon Airport around four weeks ahead of your departure.

Getting from Shannon Airport (SNN) to central Shannon

Shannon Airport to central Shannon has a drive time of around 5 minutes. It's approximately 5 kilometres away.
If you're taking public transport, expect a journey time of about 10 minutes.

When to fly to Shannon Airport (SNN)

It's time to plan your travel dates for your flight from Porto Airport to Shannon Airport. August is the most popular month to visit Shannon. If you want a more laid-back vibe, go in April.
Book your flight from Porto Airport to Shannon Airport for July if you want to go to Shannon during its warmest month. You can expect temperatures of between 10ºC and 22ºC.
Search for cheap tickets from OPO to SNN in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC and 9ºC on average.

Explore more of Ireland

Shannon has its own special appeal, but there are so many other parts of Ireland waiting to be discovered. About 193 kilometres north-east of Shannon, a visit to Dublin will fill your itinerary to the brim. Don't miss top attractions like Guinness Storehouse, Trinity College Library and Dublin Castle.
Cork is another essential stop in Ireland and is around 97 kilometres south of Shannon. No trip is complete without seeing Blarney Castle, Fota Wildlife Park and Titanic Experience Cobh.