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ALN to YSB: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Sudbury (Sudbury Airport)
710 mi
1,143 km · 617 nm
2h 1m
estimated nonstop flight time
—
time difference · heading northeast
See live ALN→YSB fares Phone-only fares on this route — call free
Flight time details
710 miles nonstop takes roughly 2h 1m 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
- YSB — Sudbury Airport · Sudbury, 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 YSB
- YYB · North Bay Jack Garland Airport68 mi away
- YEM · Manitoulin East Municipal Airport74 mi away
- YEL · Elliot Lake Municipal Airport86 mi away
- YXR · Earlton (Timiskaming Regional) Airport87 mi away
Frequently asked questions
How far is ALN from YSB?
The flight distance from Alton/St Louis (ALN) to Sudbury (YSB) is 710 miles (1,143 km, 617 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to YSB?
A nonstop flight takes about 2h 1m 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 YSB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–YSB that never appear on search engines, with no booking fees.