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ACH to CCU: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
4,571 mi
7,357 km · 3,972 nm
9h 26m
estimated nonstop flight time
+3.5h
time difference · heading east
See live ACH→CCU fares Phone-only fares on this route — call free
Flight time details
4,571 miles nonstop takes roughly 9h 26m 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
- ACH — St Gallen Altenrhein Airport · Altenrhein, 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 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 ACH from CCU?
The flight distance from Altenrhein (ACH) to Kolkata (CCU) is 4,571 miles (7,357 km, 3,972 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to CCU?
A nonstop flight takes about 9h 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 time difference between Altenrhein and Kolkata?
Kolkata is 3.5 hours ahead of Altenrhein.
What is the cheapest way to fly from ACH to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–CCU that never appear on search engines, with no booking fees.