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ALN to YST: distance & flight time
Alton/St Louis (St Louis Regional Airport) → St. Theresa Point (St. Theresa Point Airport)
1,058 mi
1,702 km · 919 nm
2h 46m
estimated nonstop flight time
—
time difference · heading north
See live ALN→YST fares Phone-only fares on this route — call free
Flight time details
1,058 miles nonstop takes roughly 2h 46m gate to gate, flying north. 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
- YST — St. Theresa Point Airport · St. Theresa Point, 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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Frequently asked questions
How far is ALN from YST?
The flight distance from Alton/St Louis (ALN) to St. Theresa Point (YST) is 1,058 miles (1,702 km, 919 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to YST?
A nonstop flight takes about 2h 46m 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 ALN to YST?
Nonstop service on ALN–YST 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 46m nonstop estimate.
What is the cheapest way to fly from ALN to YST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–YST that never appear on search engines, with no booking fees.
Why are some ALN to YST fares phone-only?
Consolidator contracts let us sell certain ALN–YST 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.