Need help booking?
Unpublished phone-only deals available
IRB to CCU: distance & flight time
Iraan (Iraan Municipal Airport) → Kolkata (Netaji Subhash Chandra Bose International Airport)
8,673 mi
13,958 km · 7,537 nm
17h 28m
estimated nonstop flight time
+10.5h
time difference · heading north
See live IRB→CCU fares Phone-only fares on this route — call free
Flight time details
8,673 miles nonstop takes roughly 17h 28m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- IRB — Iraan Municipal Airport · Iraan, 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 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 IRB from CCU?
The flight distance from Iraan (IRB) to Kolkata (CCU) is 8,673 miles (13,958 km, 7,537 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRB to CCU?
A nonstop flight takes about 17h 28m 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 Iraan and Kolkata?
Kolkata is 10.5 hours ahead of Iraan.
What is the cheapest way to fly from IRB to CCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRB–CCU that never appear on search engines, with no booking fees.