Cheap Flights from Sion (SIR) to Kiel (KEL)

Popular airlines from Sion (SIR) to Kiel (KEL-Holtenau)

Flights from Sion (SIR) to Kiel (KEL)
Origin airport
Sion
Destination airport
Holtenau
Distance
577 mi

Sion to Kiel Flights

The cheapest times to fly from Sion to Kiel

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

 

The best time to book a flight from Sion to Kiel

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

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 Kiel 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 Sion to Kiel 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 Kiel 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.

 

Frequently asked questions

How much does a flight from Sion Airport (SIR) to Kiel (KEL-Holtenau) cost?
Snag a cheap one-way flight or cheap return flight from Sion Airport (SIR) to Kiel (KEL-Holtenau) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sion Airport (SIR) to Kiel (KEL-Holtenau)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between SIR and KEL. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Sion Airport (SIR) to Kiel (KEL-Holtenau)?
To find the cheapest airline flying from SIR to KEL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Sion Airport (SIR) to Kiel (KEL-Holtenau)?
You'll have to hop on a flight with a layover when traveling from Sion Airport (SIR) to Kiel (KEL-Holtenau). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SIR to KEL?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the airline, time of year 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 Kiel (KEL-Holtenau)?
To avoid potential delays on the Sion Airport (SIR) to Kiel (KEL-Holtenau) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Kiel (KEL-Holtenau) last-minute?
Waiting until just before your trip to book a flight from SIR to KEL generally means paying more. Although you may find some last-minute deals, there's no guarantee. Keep your travel plans flexible to boost your chances of snagging a bargain.
Can I cancel or change the date of my flight from Sion Airport (SIR) to Kiel (KEL-Holtenau)?
In most cases, you're able to reschedule or cancel your SIR to KEL flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like further information, visit our Customer Service portal.

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*Available to One Key members.