Need help booking?
Unpublished phone-only deals available
INT to ALN: distance & flight time
Winston-salem (Smith Reynolds Airport) → Alton/St Louis (St Louis Regional Airport)
571 mi
919 km · 496 nm
1h 42m
estimated nonstop flight time
—
time difference · heading west
See live INT→ALN fares Phone-only fares on this route — call free
Flight time details
571 miles nonstop takes roughly 1h 42m gate to gate, flying west. 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
- INT — Smith Reynolds Airport · Winston-salem, 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 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 INT from ALN?
The flight distance from Winston-salem (INT) to Alton/St Louis (ALN) is 571 miles (919 km, 496 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to ALN?
A nonstop flight takes about 1h 42m 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 INT to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–ALN that never appear on search engines, with no booking fees.