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CIU to STL: distance & flight time
Sault Ste Marie (Chippewa County International Airport) → St. Louis (St Louis Lambert International Airport)
599 mi
964 km · 520 nm
1h 46m
estimated nonstop flight time
-1h
time difference · heading southwest
See live CIU→STL fares Phone-only fares on this route — call free
Flight time details
599 miles nonstop takes roughly 1h 46m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- CIU — Chippewa County International Airport · Sault Ste Marie, United States
- 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 CIU
- YAM · Sault Ste Marie Airport16 mi away
- DRE · Drummond Island Airport39 mi away
- PLN · Pellston Regional Airport of Emmet County Airport49 mi away
- GLR · Gaylord Regional Airport86 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 CIU from STL?
The flight distance from Sault Ste Marie (CIU) to St. Louis (STL) is 599 miles (964 km, 520 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CIU to STL?
A nonstop flight takes about 1h 46m 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 Sault Ste Marie and St. Louis?
St. Louis is 1 hour behind Sault Ste Marie.
What is the cheapest way to fly from CIU to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CIU–STL that never appear on search engines, with no booking fees.