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ALN to YQS: distance & flight time
Alton/St Louis (St Louis Regional Airport) → St Thomas (St Thomas Municipal Airport)
538 mi
866 km · 468 nm
1h 38m
estimated nonstop flight time
—
time difference · heading northeast
See live ALN→YQS fares Phone-only fares on this route — call free
Flight time details
538 miles nonstop takes roughly 1h 38m gate to gate, flying northeast. 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
- ALN — St Louis Regional Airport · Alton/St Louis, United States
- YQS — St Thomas Municipal Airport · St Thomas, Canada
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 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
Near YQS
- YXU · London Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome41 mi away
- YYZ · Lester B. Pearson International Airport97 mi away
- YKF · Waterloo Airport60 mi away
Frequently asked questions
How far is ALN from YQS?
The flight distance from Alton/St Louis (ALN) to St Thomas (YQS) is 538 miles (866 km, 468 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to YQS?
A nonstop flight takes about 1h 38m 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 ALN to YQS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–YQS that never appear on search engines, with no booking fees.