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CCU to ALN: distance & flight time
Kolkata (Netaji Subhash Chandra Bose International Airport) → Alton/St Louis (St Louis Regional Airport)
8,183 mi
13,170 km · 7,111 nm
16h 31m
estimated nonstop flight time
—
time difference · heading north
See live CCU→ALN fares Phone-only fares on this route — call free
Flight time details
8,183 miles nonstop takes roughly 16h 31m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, India
- ALN — St Louis Regional Airport · Alton/St Louis, United States
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 CCU
- JSR · Jessore Airport58 mi away
- RDP · Kazi Nazrul Islam Airport102 mi away
- IRD · Ishurdi Airport110 mi away
- BZL · Barisal Airport119 mi away
Near ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is CCU from ALN?
The flight distance from Kolkata (CCU) to Alton/St Louis (ALN) is 8,183 miles (13,170 km, 7,111 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CCU to ALN?
A nonstop flight takes about 16h 31m 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 CCU to ALN?
Nonstop service on CCU–ALN 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 16h 31m nonstop estimate.
What is the cheapest way to fly from CCU to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CCU–ALN that never appear on search engines, with no booking fees.
Why are some CCU to ALN fares phone-only?
Consolidator contracts let us sell certain CCU–ALN 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.