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Cheap flights from Shannon to Portugal

SNN — LIS
27 Feb — 6 Mar1
1 adult

Best time to book a flight from Shannon to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Shannon with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Shannon to Portugal

Get recent, data-driven insights about flights from Shannon to Portugal including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Shannon, Clare to Portugal?

Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to Portugal (average of £101). Flying from Shannon, Clare to Portugal in August is currently the most expensive (average of £274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SNN to PT?

Find hourly flight availability from Shannon to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Shannon, Clare to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 2.0 - 116.0 inches per month. December is typically the wettest month, when rainfall can reach 116.0 mm. July is typically the driest time to visit Portugal when rainfall is around 2.0 mm.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

Related info for your journey

Find useful and relevant information for your journey from Shannon to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Shannon to Portugal?

    Shannon (SNN) is the airport you will fly out of if you book a flight from Shannon to Portugal. It is only a 2.1 mi journey to Shannon (SNN) from Shannon’s city center.

  • Can I find deals for flights from Shannon to Portugal that include hotel bookings?

    Yes. In addition to deals on Shannon to Portugal flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Shannon to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Shannon to Portugal.

  • Can I find deals for business class flights from Shannon to Portugal?

    Yes. Cheapflights offers flight deals from Shannon to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Shannon, Clare to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Shannon, Clare to Portugal (average of £101). Flying from Shannon, Clare to Portugal in August is currently the most expensive (average of £274). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Shannon to Portugal?

Deals for Shannon to Portugal flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Shannon to Portugal?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portugal from Shannon.

Can Cheapflights find flights from Shannon to Portugal with no change fees?

Need flexible booking options for your flight to Portugal from Shannon? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Shannon to Portugal become cheaper?

Yes! Start tracking prices for Shannon to Portugal flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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