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WYS to STL: distance & flight time
West Yellowstone (Yellowstone Airport) → St. Louis (St Louis Lambert International Airport)
1,142 mi
1,838 km · 992 nm
2h 57m
estimated nonstop flight time
+1h
time difference · heading east
See live WYS→STL fares Phone-only fares on this route — call free
Flight time details
1,142 miles nonstop takes roughly 2h 57m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- WYS — Yellowstone Airport · West Yellowstone, 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 WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional Airport94 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 WYS from STL?
The flight distance from West Yellowstone (WYS) to St. Louis (STL) is 1,142 miles (1,838 km, 992 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WYS to STL?
A nonstop flight takes about 2h 57m 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 West Yellowstone and St. Louis?
St. Louis is 1 hour ahead of West Yellowstone.
What is the cheapest way to fly from WYS to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WYS–STL that never appear on search engines, with no booking fees.