Need help booking?
Unpublished phone-only deals available
RNS to SIR: distance & flight time
Rennes (Rennes-Saint-Jacques Airport) → Sion (Sion Airport)
444 mi
715 km · 386 nm
1h 26m
estimated nonstop flight time
Same time
time difference · heading east
See live RNS→SIR fares Phone-only fares on this route — call free
Flight time details
444 miles nonstop takes roughly 1h 26m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RNS — Rennes-Saint-Jacques Airport · Rennes, France
- SIR — Sion Airport · Sion, Switzerland
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RNS
- DNR · Dinard-Pleurtuit-Saint-Malo Airport39 mi away
- LVA · Laval-Entrammes Airport46 mi away
- VNE · Vannes-Meucon Airport51 mi away
- SNR · Saint-Nazaire-Montoir Airport56 mi away
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is RNS from SIR?
The flight distance from Rennes (RNS) to Sion (SIR) is 444 miles (715 km, 386 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RNS to SIR?
A nonstop flight takes about 1h 26m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from RNS to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RNS–SIR that never appear on search engines, with no booking fees.