Cheap Flights from Rotterdam (RTM) to Sion (SIR)

Popular airlines from Rotterdam (RTM-Rotterdam The Hague) to Sion (SIR)

Frequently asked questions

How much does a flight from Rotterdam The Hague Airport (RTM) to Sion Airport (SIR) cost?
Get a cheap one-way flight or cheap return flight from Rotterdam The Hague Airport (RTM) to Sion Airport (SIR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Rotterdam The Hague Airport (RTM) to Sion Airport (SIR)?
Traveling in is a great way to save, as it's the cheapest month for flights between RTM and SIR. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Rotterdam The Hague Airport (RTM) to Sion Airport (SIR)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest RTM to SIR flight.
How many flights per day from Rotterdam The Hague Airport (RTM) to Sion Airport (SIR)?
You'll have to take a flight with a layover if you're traveling from Rotterdam The Hague Airport (RTM) to Sion Airport (SIR). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from RTM to SIR?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rotterdam The Hague Airport (RTM) to Sion Airport (SIR)?
To touch down at Sion Airport (SIR) without delays, choose a flight that leaves Rotterdam The Hague Airport (RTM) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Rotterdam The Hague Airport (RTM) to Sion Airport (SIR) last-minute?
Booking your flight from RTM to SIR shortly before your journey is usually more expensive. But if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a RTM to SIR flight and hotel package?
Compared with arranging flights and hotels separately, booking a RTM to SIR flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Rotterdam The Hague Airport (RTM) to Sion Airport (SIR)?
In most instances, you're able to cancel or reschedule your RTM to SIR flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further information, visit our Customer Service portal.

Travel information

Origin airport
Rotterdam The Hague
Destination airport
Sion
Distance
416 mi

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Rotterdam to Sion Flights

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

 

The best time to book a flight from Rotterdam to Sion

Sunday is one of the best days to book for cheap flights from Rotterdam 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 Rotterdam 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 Rotterdam 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 Rotterdam 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 Rotterdam 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.

 

Rotterdam to Sion Flights

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*Available to One Key members.