ZAR/ZA
Find cheap flights to Sion in 2026/2027 from R18,276 This is the cheapest return flight found to Sion from South Africa on FlightsFinder on March 12th 2026 at 13:59. This offer may no longer be available. Click the offer to check live prices & dates of travel.
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 South Africa to Sion in the last few days. Prices subject to availability.
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These economy flights were found on FlightsFinder from South Africa to Sion in the last few days. Prices subject to availability.
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According to our data, April is on average the cheapest time to book flights to Sion.
You can get flights from R18,276 return.
According to our data, May is on average the most expensive time to book flights to Sion.
A return flight could set you back more than R18,812.
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 R16448 - R20104.
The popular airports near Sion are Geneva Airport, Zurich Airport, and Milan Malpensa Airport.
The flight to Sion (SIR) is roughly 11 hours 59 minutes and 5,168 miles (8,318 kilometres) from Johannesburg, South Africa - O.R. Tambo Internationall Airport (JNB).
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.
2.1 °C
Sun, 15 Mar 2026
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
Johannesburg, South Africa - O.R. Tambo Internationall Airport (JNB) to Sion (SIR)
Distance:
5,168 miles (8,318 kilometres)
Average flight time (direct 11 hours 59 minutes)
Cape Town, South Africa - Cape Town International Airport (CPT) to Sion (SIR)
Distance:
5,585 miles (8,988 kilometres)
Average flight time (direct 12 hours 54 minutes)
Durban, South Africa - King Shaka Intl Airport (DUR) to Sion (SIR)
Distance:
5,447 miles (8,766 kilometres)
Average flight time (direct 12 hours 36 minutes)
George, South Africa - George Airport (GRJ) to Sion (SIR)
Distance:
5,622 miles (9,048 kilometres)
Average flight time (direct 12 hours 59 minutes)
Lanseria, South Africa - Lanseria International Airport (HLA) to Sion (SIR)
Distance:
5,150 miles (8,288 kilometres)
Average flight time (direct 11 hours 56 minutes)
Port Elizabeth, South Africa - Port Elizabeth Airport (PLZ) to Sion (SIR)
Distance:
5,658 miles (9,105 kilometres)
Average flight time (direct 13 hours 4 minutes)
Bloemfontein, South Africa - Bloemfontein International Airport (BFN) to Sion (SIR)
Distance:
5,337 miles (8,590 kilometres)
Average flight time (direct 12 hours 21 minutes)
East London, South Africa - King Phalo Airport (ELS) to Sion (SIR)
Distance:
5,624 miles (9,050 kilometres)
Average flight time (direct 12 hours 59 minutes)
Hoedspruit, South Africa - AFB Airport (HDS) to Sion (SIR)
Distance:
5,099 miles (8,205 kilometres)
Average flight time (direct 11 hours 49 minutes)
Kimberley, South Africa - Kimberley Airport (KIM) to Sion (SIR)
Distance:
5,297 miles (8,525 kilometres)
Average flight time (direct 12 hours 16 minutes)
Nelspruit, South Africa - Kruger Mpumalanga Intl Airport (MQP) to Sion (SIR)
Distance:
5,167 miles (8,315 kilometres)
Average flight time (direct 11 hours 58 minutes)
Phalaborwa, South Africa - Hendrik van Eck Airport (PHW) to Sion (SIR)
Distance:
5,072 miles (8,163 kilometres)
Average flight time (direct 11 hours 46 minutes)
Pietermaritzburg, South Africa - Pietermaritzburg Airport (PZB) to Sion (SIR)
Distance:
5,437 miles (8,750 kilometres)
Average flight time (direct 12 hours 34 minutes)
Polokwane, South Africa - Polokwane International Airport (PTG) to Sion (SIR)
Distance:
5,036 miles (8,104 kilometres)
Average flight time (direct 11 hours 41 minutes)
Richards Bay, South Africa - Richards Bay Airport (RCB) to Sion (SIR)
Distance:
5,406 miles (8,701 kilometres)
Average flight time (direct 12 hours 30 minutes)
Upington, South Africa - Upington Airport (UTN) to Sion (SIR)
Distance:
5,229 miles (8,415 kilometres)
Average flight time (direct 12 hours 7 minutes)
Umtata, South Africa - K.D. Matanzima Airport (UTT) to Sion (SIR)
Distance:
5,536 miles (8,910 kilometres)
Average flight time (direct 12 hours 48 minutes)
From Cape Town (CPT), South Africa to Sion, Switzerland (SIR): R18,276
Depart: 26 Apr 2026 · Return: 03 May 2026 Price found 12 Mar 2026, 13:59
From Johannesburg (JNB), South Africa to Sion, Switzerland (SIR): R18,286
Depart: 27 Apr 2026 · Return: 04 May 2026 Price found 13 Mar 2026, 12:23
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