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YSP to STL: distance & flight time
Marathon (Marathon Airport) → St. Louis (St Louis Lambert International Airport)
720 mi
1,158 km · 625 nm
2h 2m
estimated nonstop flight time
-1h
time difference · heading south
See live YSP→STL fares Phone-only fares on this route — call free
Flight time details
720 miles nonstop takes roughly 2h 2m gate to gate, flying south. 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
- YSP — Marathon Airport · Marathon, 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 YSP
- YMG · Manitouwadge Airport32 mi away
- YGQ · Geraldton Greenstone Regional Airport76 mi away
- YHN · Hornepayne Municipal Airport78 mi away
- YXZ · Wawa Airport90 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 YSP from STL?
The flight distance from Marathon (YSP) to St. Louis (STL) is 720 miles (1,158 km, 625 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSP to STL?
A nonstop flight takes about 2h 2m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YSP to STL?
Nonstop service on YSP–STL depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 2m nonstop estimate.
What is the time difference between Marathon and St. Louis?
St. Louis is 1 hour behind Marathon.
What is the cheapest way to fly from YSP to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSP–STL that never appear on search engines, with no booking fees.
Why are some YSP to STL fares phone-only?
Consolidator contracts let us sell certain YSP–STL tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.