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ALN to SMF: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Sacramento (Sacramento International Airport)
1,690 mi
2,720 km · 1,469 nm
3h 47m
estimated nonstop flight time
—
time difference · heading west
See live ALN→SMF fares Phone-only fares on this route — call free
Flight time details
1,690 miles nonstop takes roughly 3h 47m 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
- ALN — St Louis Regional Airport · Alton/St Louis, United States
- SMF — Sacramento International Airport · Sacramento, 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 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 SMF
- MCC · Mc Clellan Airfield10 mi away
- SAC · Sacramento Executive Airport14 mi away
- MHR · Sacramento Mather Airport19 mi away
- MYV · Yuba County Airport28 mi away
Frequently asked questions
How far is ALN from SMF?
The flight distance from Alton/St Louis (ALN) to Sacramento (SMF) is 1,690 miles (2,720 km, 1,469 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to SMF?
A nonstop flight takes about 3h 47m 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 SMF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–SMF that never appear on search engines, with no booking fees.