Need help booking?
Unpublished phone-only deals available
BOI to CCU: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Kolkata (Netaji Subhash Chandra Bose International Airport)
7,601 mi
12,233 km · 6,605 nm
15h 22m
estimated nonstop flight time
+11.5h
time difference · heading northwest
See live BOI→CCU fares Phone-only fares on this route — call free
Flight time details
7,601 miles nonstop takes roughly 15h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time gain when reading arrival times on your ticket.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 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 BOI from CCU?
The flight distance from Boise (BOI) to Kolkata (CCU) is 7,601 miles (12,233 km, 6,605 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to CCU?
A nonstop flight takes about 15h 22m 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 Boise and Kolkata?
Kolkata is 11.5 hours ahead of Boise.
What is the cheapest way to fly from BOI to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–CCU that never appear on search engines, with no booking fees.