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IKA to SIR: distance & flight time
Tehran (Imam Khomeini International Airport) → Sion (Sion Airport)
2,376 mi
3,824 km · 2,065 nm
5h 8m
estimated nonstop flight time
-2.5h
time difference · heading northwest
See live IKA→SIR fares Phone-only fares on this route — call free
Flight time details
2,376 miles nonstop takes roughly 5h 8m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- IKA — Imam Khomeini International Airport · Tehran, Iran
- 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 IKA
- THR · Mehrabad International Airport21 mi away
- PYK · Payam International Airport31 mi away
- GZW · Qazvin Airport84 mi away
- NSH · Noshahr Airport88 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 IKA from SIR?
The flight distance from Tehran (IKA) to Sion (SIR) is 2,376 miles (3,824 km, 2,065 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IKA to SIR?
A nonstop flight takes about 5h 8m 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 IKA to SIR?
Nonstop service on IKA–SIR 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 8m nonstop estimate.
What is the time difference between Tehran and Sion?
Sion is 2.5 hours behind Tehran.
What is the cheapest way to fly from IKA to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IKA–SIR that never appear on search engines, with no booking fees.
Why are some IKA to SIR fares phone-only?
Consolidator contracts let us sell certain IKA–SIR 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.