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YSH to STL: distance & flight time
Smiths Falls (Smiths Falls-Montague (Russ Beach) Airport) → St. Louis (St Louis Lambert International Airport)
855 mi
1,377 km · 743 nm
2h 20m
estimated nonstop flight time
—
time difference · heading southwest
See live YSH→STL fares Phone-only fares on this route — call free
Flight time details
855 miles nonstop takes roughly 2h 20m gate to gate, flying southwest. 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
- YSH — Smiths Falls-Montague (Russ Beach) Airport · Smiths Falls, Canada
- 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 YSH
- YOW · Ottawa Macdonald-Cartier International Airport29 mi away
- OGS · Ogdensburg International Airport30 mi away
- YRO · Ottawa / Rockcliffe Airport38 mi away
- YND · Ottawa / Gatineau Airport44 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 YSH from STL?
The flight distance from Smiths Falls (YSH) to St. Louis (STL) is 855 miles (1,377 km, 743 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSH to STL?
A nonstop flight takes about 2h 20m 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 YSH to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSH–STL that never appear on search engines, with no booking fees.