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SUS to ALN: distance & flight time
Null (Spirit of St Louis Airport) → Alton/St Louis (St Louis Regional Airport)
36 mi
58 km · 32 nm
34m
estimated nonstop flight time
—
time difference · heading northeast
See live SUS→ALN fares Phone-only fares on this route — call free
Flight time details
36 miles nonstop takes roughly 34m 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
- SUS — Spirit of St Louis Airport · Null, United States
- 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 SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 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 SUS from ALN?
The flight distance from Null (SUS) to Alton/St Louis (ALN) is 36 miles (58 km, 32 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUS to ALN?
A nonstop flight takes about 34m 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 SUS to ALN?
Nonstop service on SUS–ALN 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 34m nonstop estimate.
What is the cheapest way to fly from SUS to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–ALN that never appear on search engines, with no booking fees.
Why are some SUS to ALN fares phone-only?
Consolidator contracts let us sell certain SUS–ALN 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.