Flights from Sion to Ostend (SIR → OST)

SIR
Sion
Sion, Switzerland
OST
Ostend
Oostende, Belgium
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No direct flights found. Here are the 1 fastest 1-stop options.
viaPalma de Mallorca(PMI)
SIR→PMI+1h 30mPMI→OST
4h
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Sion to Ostend? Currently, there are no direct flights from SIR to OST. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Sion → Ostend.

Cheap flights from Sion to Ostend Cheapest month to fly to Ostend Flights from Switzerland Flights to Belgium Visa-free with Switzerland passport All airports in Belgium

Try a nearby airport to Sion

Flights to Ostend (OST) from other airports within 350 km of Sion. Often unlocks cheaper fares or better times.

BRN → OST 78 km from SIR Berne → Ostend Switzerland · 10 destinations GVA → OST 94 km from SIR Geneva → Ostend Switzerland · 149 destinations TRN → OST 117 km from SIR Turin → Ostend Italy · 61 destinations MXP → OST 126 km from SIR Milan → Ostend Italy · 215 destinations CMF → OST 129 km from SIR Chambery → Ostend France · 9 destinations

Or try a nearby airport to Ostend

Flights from Sion (SIR) to other airports within 350 km of Ostend.

SIR → LIL 72 km from OST Sion → Lille France · 55 destinations SIR → ANR 111 km from OST Sion → Antwerp Belgium · 5 destinations SIR → BRU 118 km from OST Sion → Brussels Belgium · 183 destinations SIR → RTM 137 km from OST Sion → Rotterdam Netherlands · 52 destinations SIR → CRL 139 km from OST Sion → Brussels Belgium · 132 destinations

Other flights from Sion (SIR)

Palma de Mallorca (PMI) All 1 destinations →

Other flights from Ostend (OST)

Alicante (ALC) Antalya (AYT) Chania (CHQ) Corvera (RMU) Eskisehir (AOE) Heraklion (HER) Hurghada (HRG) Ibiza (IBZ) All 13 destinations →