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SIR to KMW: distance & flight time
Sion (Sion Airport) → Kostroma (Kostroma Sokerkino Airport)
1,617 mi
2,603 km · 1,405 nm
3h 38m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SIR→KMW fares Phone-only fares on this route — call free
Flight time details
1,617 miles nonstop takes roughly 3h 38m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- KMW — Kostroma Sokerkino Airport · Kostroma, Russia
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 KMW
- IAR · Tunoshna Airport36 mi away
- IWA · Ivanovo South Airport59 mi away
- RYB · Staroselye Airport80 mi away
- VGD · Vologda Airport110 mi away
Frequently asked questions
How far is SIR from KMW?
The flight distance from Sion (SIR) to Kostroma (KMW) is 1,617 miles (2,603 km, 1,405 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to KMW?
A nonstop flight takes about 3h 38m 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 KMW?
Nonstop service on SIR–KMW 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 3h 38m nonstop estimate.
What is the time difference between Sion and Kostroma?
Kostroma is 1 hour ahead of Sion.
What is the cheapest way to fly from SIR to KMW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–KMW that never appear on search engines, with no booking fees.
Why are some SIR to KMW fares phone-only?
Consolidator contracts let us sell certain SIR–KMW 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.