Cheap Flights from Sion (SIR) to Rennes (RNS)

Popular airlines from Sion (SIR) to Rennes (RNS-Saint-Jacques)

Frequently asked questions

How much does a flight from Sion Airport (SIR) to Saint-Jacques Airport (RNS) cost?
Get a cheap one-way flight or cheap return flight from Sion Airport (SIR) to Saint-Jacques Airport (RNS) 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 Saint-Jacques Airport (RNS)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between SIR and RNS. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Sion Airport (SIR) to Saint-Jacques Airport (RNS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SIR to RNS flight.
How many flights per day from Sion Airport (SIR) to Saint-Jacques Airport (RNS)?
Direct flights from Sion Airport (SIR) to Saint-Jacques Airport (RNS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SIR to RNS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a range of factors, such as the carrier 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 Sion Airport (SIR) to Saint-Jacques Airport (RNS)?
To avoid possible delays on the Sion Airport (SIR) to Saint-Jacques Airport (RNS) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Saint-Jacques Airport (RNS) last-minute?
Last-minute fares from SIR to RNS are typically more expensive. To secure the best prices, start searching for flights early. That being said, if you can play around with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book a SIR to RNS flight and hotel package?
Booking a SIR to RNS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sion Airport (SIR) to Saint-Jacques Airport (RNS)?
Usually, it's possible to cancel or reschedule your SIR to RNS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Sion
Destination airport
Saint-Jacques
Distance
444 mi

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Sion to Rennes Flights

The cheapest times to fly from Sion to Rennes

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

 

The best time to book a flight from Sion to Rennes

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

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 Rennes 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 Rennes 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 Rennes 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 Rennes Flights

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*Available to One Key members.