Cheap flights from Shannon to Lisbon

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Compare Shannon to Lisbon flight deals

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Flight deals from Shannon to Lisbon

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

Find the cheapest month to fly from Shannon to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Shannon to Lisbon flights are currently cheapest in June.

Shannon to Lisbon: Alternative routes

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

Shannon to Lisbon: Flight information

The things to know before you go.
Cheapest flight foundC$204
Cheapest month to flyApril

Finding cheap flights from Shannon to Lisbon: Frequently asked questions

The best price we found for a round-trip flight from Shannon to Lisbon is C$204. 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.
Currently, there are no airlines that fly direct from Shannon to Lisbon. But we found flights with one or more stops from C$204.
There are no flights flying from Shannon to Lisbon, as of February 2025.
The cheapest month to fly from Shannon to Lisbon is usually February 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Shannon Airport to Lisbon Airport on Wednesday, April 30, 2025.
No airlines currently offer direct flights between Shannon Airport and Lisbon Airport. Most routes have one or more stops.
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 Lisbon 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.
Currently, Ryanair offers the cheapest flight tickets to Lisbon.

Traveling from Shannon Airport (SNN) to Lisbon Portela Airport (LIS): what you need to know

  • You can expect longer lines during popular months like August and other peak seasons. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.

  • We make it a cinch to book a flight with a stopover. To look at your options for flights from Shannon Airport to Lisbon Portela Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to explore your chosen city. Some popular stopovers between SNN and LIS include:

    • London Gatwick Airport

    • Edinburgh Airport

    • Manchester Airport

  • Don't forget, you might need a visa to enter Portugal. Visa regulations can vary and travel documentation requirements are always changing. Before organizing your cheap ticket from SNN to LIS, be sure to check with your airline and your destination country's local embassy or consulate for up-to-date information.

How to find the cheapest flights from Shannon Airport (SNN) to Lisbon Portela Airport (LIS)

  • The best price we've seen for a one-way ticket from Shannon Airport to Lisbon Portela Airport is C$116. The cheapest price for a return flight is C$204. Remember that fares could change due to demand at the time of booking.

  • It's often best to book in advance if you're hoping to get cheap flight tickets from SNN to LIS. That's because airlines change prices based on demand, which tends to rise closer to departure.

  • Getting cheap flight tickets from Shannon Airport to Lisbon Portela Airport is easy if you're flexible with your dates. Use the 'Whole month' search function to see the best prices throughout the month and land a great deal.

  • Finding a cheap ticket from SNN to LIS is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as the price has fallen.

  • Use filters to tailor your flights from Shannon Airport to Lisbon Portela Airport. Simply select your ideal departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to get the best deals.

Handy information about Shannon Airport (SNN)

  • Traveling from central Shannon to Shannon Airport takes approximately 10 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 5 kilometres in 7 minutes or so, depending on traffic conditions.

  • Got an early flight from Shannon Airport to Lisbon Portela Airport? Avoid the hassle of rushing to the airport (and catch some extra z's) by choosing one of these stays close to SNN:

Arriving at Lisbon Portela Airport (LIS)

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport to the center of Lisbon is around 22 minutes in a car. It's approximately 10 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing.

  • When traveling on public transport, expect a journey time of roughly 59 minutes.

When to fly to Lisbon Portela Airport (LIS)

  • It's time to pick your dates for your flight from Shannon Airport to Lisbon Portela Airport. June is the busiest month to visit Lisbon. If you want a quieter vibe, go in February.

  • The warmest month in Lisbon is August, with the temperature ranging between 16ºC and 29ºC. Book your flights from Shannon Airport to Lisbon Portela Airport in this month if this is the type of weather you enjoy.

  • If you want to travel in cooler conditions, look for a cheap ticket from SNN to LIS in January. Temperatures average between 8ºC and 16ºC then.

More about Lisbon

Complete your Lisbon trip with hotels and a car rental

  • After you've secured your cheap ticket to Lisbon Portela Airport, check out the lowest prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one place to find the best car rental price for your Lisbon vacation.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.