Need help booking?
Unpublished phone-only deals available
CSY to STL: distance & flight time
Cheboksary (Cheboksary Airport) → St. Louis (St Louis Lambert International Airport)
5,431 mi
8,741 km · 4,720 nm
11h 7m
estimated nonstop flight time
-8h
time difference · heading northwest
See live CSY→STL fares Phone-only fares on this route — call free
Flight time details
5,431 miles nonstop takes roughly 11h 7m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- CSY — Cheboksary Airport · Cheboksary, Russia
- STL — St Louis Lambert International Airport · 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 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
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is CSY from STL?
The flight distance from Cheboksary (CSY) to St. Louis (STL) is 5,431 miles (8,741 km, 4,720 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CSY to STL?
A nonstop flight takes about 11h 7m 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 Cheboksary and St. Louis?
St. Louis is 8 hours behind Cheboksary.
What is the cheapest way to fly from CSY to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CSY–STL that never appear on search engines, with no booking fees.