SGD/SG
Find cheap flights to Sion in 2025/2026 from S$1,373 This is the cheapest return flight found to Sion from Singapore on FlightsFinder on December 13th 2025 at 06:36. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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Our Flight Finder compares the cheapest flights to Sion from the most established flight comparison sites.
Fly to Sion and visit sites like Valère Basilica, Château de Tourbillon, Thyon & Saint-Léonard underground lake.
1. Enter your search requirements for Sion
2. Compare the best Sion deals from top comparison engines
3. Book your Sion flight at the cheapest price
These economy flights were found on FlightsFinder from Singapore to Sion in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from Singapore to Sion in the last few days. Prices subject to availability.
No flights found for this month.
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According to our data, January is on average the cheapest time to book flights to Sion.
You can get flights from S$1,373 return.
According to our data, December is on average the most expensive time to book flights to Sion.
A return flight could set you back more than S$2,218.
Nestled in the heart of the Swiss Alps, Sion is a captivating blend of old-world charm and modern sophistication. The city’s picturesque setting, with the imposing Valère and Tourbillon castles overlooking the quaint town, creates a mesmerising backdrop for exploring its rich history and cultural heritage. Wander through its cobbled streets lined with charming boutiques and cafes, or venture into the surrounding vineyards to sample the renowned local wines. With a perfect balance of natural beauty, historic treasures, and contemporary amenities, Sion promises an unforgettable experience for travellers seeking a unique destination in Switzerland.
A good price for a flight to Sion is S$1236 - S$1510.
The popular airports near Sion are Geneva Airport, Zurich Airport, and Milan Malpensa Airport.
The flight to Sion (SIR) is roughly 14 hours 52 minutes and 6,469 miles (10,411 kilometres) from Singapore, Singapore - Changi Airport (SIN).
The best way is to compare flights to Sion from leading comparison sites using our search engine dashboard.
We have currently found no direct flights to Sion.
Here is the average weather forecast in Sion by month:
• Jan: 4°C
• Feb: 7°C
• Mar: 13°C
• Apr: 17°C
• May: 21°C
• Jun: 25°C
• Jul: 27°C
• Aug: 26°C
• Sep: 22°C
• Oct: 17°C
• Nov: 10°C
• Dec: 5°C
The main airport in Sion is approximately 2 kilometers from the city center.
Typically, flights are cheapest to Sion 2 months before departure.
Studies show flights to Sion are typically cheaper on Tuesdays and Wednesdays.
3 °C
Sun, 14 Dec 2025
Average Temperature
4°C
Jan
7°C
Feb
13°C
Mar
17°C
Apr
21°C
May
25°C
Jun
27°C
Jul
26°C
Aug
22°C
Sep
17°C
Oct
10°C
Nov
5°C
Dec
Singapore, Singapore - Changi Airport (SIN) to Sion (SIR)
Distance:
6,469 miles (10,411 kilometres)
Average flight time (direct 14 hours 52 minutes)
From Singapore (SIN), Singapore to Sion, Switzerland (SIR): S$1,373
Depart: 27 Jan 2026 · Return: 03 Feb 2026 Price found 13 Dec 2025, 06:36
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