Cheap Flights from Bucharest (OTP) to Sion (SIR)

Popular airlines from Henri Coanda Intl. Airport (OTP) to Sion (SIR)

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Flights from Bucharest (OTP) to Sion (SIR)
Origin airport
Henri Coanda Intl.
Destination airport
Sion
Distance
914 mi

Bucharest to Sion Flights

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

 

The best time to book a flight from Bucharest to Sion

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

 

Frequently asked questions

How much does a flight from Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR) cost?
Get a cheap one-way flight or cheap return flight from Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR) 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 Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR)?
The cheapest month to fly from OTP to SIR is , when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from OTP to SIR. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR)?
Direct flights from Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OTP to SIR?
Generally you'll find the greatest selection of flight options 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 Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR)?
To avoid potential delays on the Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR) route, aim to travel before 3 PM. Later flights 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 Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR) last-minute?
Booking your plane ticket from OTP to SIR right before your journey is generally more expensive. However, if you're flexible with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book an OTP to SIR flight and hotel package?
You'll typically save money by booking an OTP to SIR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Henri Coanda Intl. Airport (OTP) to Sion Airport (SIR)?
If you booked your OTP to SIR flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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