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STL to EAU: distance & flight time
St. Louis (St Louis Lambert International Airport) → Eau Claire (Chippewa Valley Regional Airport)
427 mi
686 km · 371 nm
1h 24m
estimated nonstop flight time
Same time
time difference · heading north
See live STL→EAU fares Phone-only fares on this route — call free
Flight time details
427 miles nonstop takes roughly 1h 24m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- EAU — Chippewa Valley Regional Airport · Eau Claire, 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 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
Near EAU
Frequently asked questions
How far is STL from EAU?
The flight distance from St. Louis (STL) to Eau Claire (EAU) is 427 miles (686 km, 371 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to EAU?
A nonstop flight takes about 1h 24m 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 cheapest way to fly from STL to EAU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–EAU that never appear on search engines, with no booking fees.