Need help booking?
Unpublished phone-only deals available
CCU to ONO: distance & flight time
Kolkata (Netaji Subhash Chandra Bose International Airport) → Ontario (Ontario Municipal Airport)
7,556 mi
12,160 km · 6,566 nm
15h 17m
estimated nonstop flight time
-11.5h
time difference · heading north
See live CCU→ONO fares Phone-only fares on this route — call free
Flight time details
7,556 miles nonstop takes roughly 15h 17m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-hour time set-back when reading arrival times on your ticket.
The two airports
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, India
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 mi away
Frequently asked questions
How far is CCU from ONO?
The flight distance from Kolkata (CCU) to Ontario (ONO) is 7,556 miles (12,160 km, 6,566 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CCU to ONO?
A nonstop flight takes about 15h 17m 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 Kolkata and Ontario?
Ontario is 11.5 hours behind Kolkata.
What is the cheapest way to fly from CCU to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CCU–ONO that never appear on search engines, with no booking fees.