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SIR to CCU: distance & flight time
Sion (Sion Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
4,690 mi
7,547 km · 4,075 nm
9h 40m
estimated nonstop flight time
+3.5h
time difference · heading east
See live SIR→CCU fares Phone-only fares on this route — call free
Flight time details
4,690 miles nonstop takes roughly 9h 40m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, India
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 CCU
- JSR · Jessore Airport58 mi away
- RDP · Kazi Nazrul Islam Airport102 mi away
- IRD · Ishurdi Airport110 mi away
- BZL · Barisal Airport119 mi away
Frequently asked questions
How far is SIR from CCU?
The flight distance from Sion (SIR) to Kolkata (CCU) is 4,690 miles (7,547 km, 4,075 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to CCU?
A nonstop flight takes about 9h 40m 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 time difference between Sion and Kolkata?
Kolkata is 3.5 hours ahead of Sion.
What is the cheapest way to fly from SIR to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–CCU that never appear on search engines, with no booking fees.