Need help booking?
Unpublished phone-only deals available
SIR to KLM: distance & flight time
Sion (Sion Airport) → Kalaleh (Kalaleh Airport)
2,512 mi
4,043 km · 2,183 nm
5h 24m
estimated nonstop flight time
+1.5h
time difference · heading east
See live SIR→KLM fares Phone-only fares on this route — call free
Flight time details
2,512 miles nonstop takes roughly 5h 24m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- KLM — Kalaleh Airport · Kalaleh, Iran
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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Near KLM
- GBT · Gorgan Airport66 mi away
- RUD · Shahroud Airport69 mi away
- BJB · Bojnord Airport102 mi away
- SRY · Dasht-e Naz Airport135 mi away
Frequently asked questions
How far is SIR from KLM?
The flight distance from Sion (SIR) to Kalaleh (KLM) is 2,512 miles (4,043 km, 2,183 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to KLM?
A nonstop flight takes about 5h 24m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SIR to KLM?
Nonstop service on SIR–KLM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 5h 24m nonstop estimate.
What is the time difference between Sion and Kalaleh?
Kalaleh is 1.5 hours ahead of Sion.
What is the cheapest way to fly from SIR to KLM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–KLM that never appear on search engines, with no booking fees.
Why are some SIR to KLM fares phone-only?
Consolidator contracts let us sell certain SIR–KLM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.