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STS to ALN: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Alton/St Louis (St Louis Regional Airport)
1,757 mi
2,828 km · 1,527 nm
3h 55m
estimated nonstop flight time
—
time difference · heading east
See live STS→ALN fares Phone-only fares on this route — call free
Flight time details
1,757 miles nonstop takes roughly 3h 55m gate to gate, flying east. 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
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 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 STS from ALN?
The flight distance from Santa Rosa (STS) to Alton/St Louis (ALN) is 1,757 miles (2,828 km, 1,527 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to ALN?
A nonstop flight takes about 3h 55m 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 STS to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–ALN that never appear on search engines, with no booking fees.