Cheap Flights from Lisbon (LIS) to Sion (SIR)

Popular airlines from Humberto Delgado Airport (LIS) to Sion (SIR)

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Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to Sion Airport (SIR) cost?
Lock in a cheap one-way flight or cheap return flight from Humberto Delgado Airport (LIS) to Sion Airport (SIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Humberto Delgado Airport (LIS) to Sion Airport (SIR)?
is the least expensive month to fly from LIS to SIR. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Humberto Delgado Airport (LIS) to Sion Airport (SIR)?
To find the cheapest airline flying from LIS to SIR, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Humberto Delgado Airport (LIS) to Sion Airport (SIR)?
There aren't any daily nonstop flights from Humberto Delgado Airport (LIS) to Sion Airport (SIR). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from LIS to SIR?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Humberto Delgado Airport (LIS) to Sion Airport (SIR)?
Opt for a flight from Humberto Delgado Airport (LIS) to Sion Airport (SIR) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Sion Airport (SIR) last-minute?
Waiting until right before your break to book a flight from LIS to SIR often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a LIS to SIR flight and hotel package?
Booking a LIS to SIR flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Sion Airport (SIR)?
Usually, it's possible to cancel or reschedule your LIS to SIR flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Humberto Delgado
Destination airport
Sion
Distance
981 mi

Book with confidence

Book with confidence

Lisbon to Sion Flights

The cheapest times to fly from Lisbon to Sion

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Sion are during the month of . You can find some of the cheapest flights from Lisbon to Sion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to Sion

Sunday is one of the best days to book for cheap flights from Lisbon to Sion: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lisbon to Sion

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Sion in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Sion flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to Sion airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lisbon to Sion Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.