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

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

Frequently asked questions

How much does a flight from Sion Airport (SIR) to Humberto Delgado Airport (LIS) cost?
Secure a cheap one-way flight or cheap return flight from Sion Airport (SIR) to Humberto Delgado Airport (LIS) 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 Sion Airport (SIR) to Humberto Delgado Airport (LIS)?
is the least expensive month to fly from SIR to LIS. Traveling outside of peak seasons is often the key to better flight prices.
What is the cheapest airline that flies from Sion Airport (SIR) to Humberto Delgado Airport (LIS)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SIR to LIS. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Sion Airport (SIR) to Humberto Delgado Airport (LIS)?
There aren't any daily direct flights available from Sion Airport (SIR) to Humberto Delgado Airport (LIS). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from SIR to LIS?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sion Airport (SIR) to Humberto Delgado Airport (LIS)?
Opt for a flight from Sion Airport (SIR) to Humberto Delgado Airport (LIS) that leaves before 3 PM to reduce the likelihood of delays and cancellations. 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 Sion Airport (SIR) to Humberto Delgado Airport (LIS) last-minute?
Last-minute fares from SIR to LIS are usually more expensive. For the lowest prices, start looking for flights early. That being said, if you can play around with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a SIR to LIS flight and hotel package?
You can save money by booking a SIR to LIS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Sion Airport (SIR) to Humberto Delgado Airport (LIS)?
In most instances, you can cancel or modify your SIR to LIS flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Origin airport
Sion
Destination airport
Humberto Delgado
Distance
981 mi

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Sion to Lisbon Flights

The cheapest times to fly from Sion to Lisbon

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 Sion to Lisbon are during the month of . You can find some of the cheapest flights from Sion to Lisbon with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sion to Lisbon

Sunday is one of the best days to book for cheap flights from Sion to Lisbon: 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 Sion to Lisbon

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 Sion to Lisbon in 2026. 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 Sion to Lisbon 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 Sion to Lisbon 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.

 

Sion to Lisbon Flights

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*Available to One Key members.