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ONT to CSY: distance & flight time
Ontario (Ontario International Airport) → Cheboksary (Cheboksary Airport)
6,146 mi
9,890 km · 5,340 nm
12h 31m
estimated nonstop flight time
+10h
time difference · heading north
See live ONT→CSY fares Phone-only fares on this route — call free
Flight time details
6,146 miles nonstop takes roughly 12h 31m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- CSY — Cheboksary Airport · Cheboksary, Russia
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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near CSY
- JOK · Yoshkar-Ola Airport47 mi away
- KZN · Kazan International Airport82 mi away
- ULY · Ulyanovsk East Airport130 mi away
- ULV · Ulyanovsk Baratayevka Airport131 mi away
Frequently asked questions
How far is ONT from CSY?
The flight distance from Ontario (ONT) to Cheboksary (CSY) is 6,146 miles (9,890 km, 5,340 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to CSY?
A nonstop flight takes about 12h 31m 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 Ontario and Cheboksary?
Cheboksary is 10 hours ahead of Ontario.
What is the cheapest way to fly from ONT to CSY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–CSY that never appear on search engines, with no booking fees.