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YSP to ALN: distance & flight time
Marathon (Marathon Airport) → Alton/St Louis (St Louis Regional Airport)
706 mi
1,136 km · 613 nm
2h
estimated nonstop flight time
—
time difference · heading south
See live YSP→ALN fares Phone-only fares on this route — call free
Flight time details
706 miles nonstop takes roughly 2h gate to gate, flying south. 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
- YSP — Marathon Airport · Marathon, Canada
- ALN — St Louis Regional Airport · Alton/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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is YSP from ALN?
The flight distance from Marathon (YSP) to Alton/St Louis (ALN) is 706 miles (1,136 km, 613 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSP to ALN?
A nonstop flight takes about 2h 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 YSP to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSP–ALN that never appear on search engines, with no booking fees.