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SNA to ALN: distance & flight time
Santa Ana (John Wayne Airport-Orange County Airport) → Alton/St Louis (St Louis Regional Airport)
1,584 mi
2,550 km · 1,377 nm
3h 34m
estimated nonstop flight time
—
time difference · heading east
See live SNA→ALN fares Phone-only fares on this route — call free
Flight time details
1,584 miles nonstop takes roughly 3h 34m 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
- SNA — John Wayne Airport-Orange County Airport · Santa Ana, 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 SNA
- LAX · Los Angeles International Airport36 mi away
- NZJ · El Toro Marine Corps Air Station8 mi away
- FUL · Fullerton Municipal Airport15 mi away
- LGB · Long Beach /Daugherty Field/ Airport19 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 SNA from ALN?
The flight distance from Santa Ana (SNA) to Alton/St Louis (ALN) is 1,584 miles (2,550 km, 1,377 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SNA to ALN?
A nonstop flight takes about 3h 34m 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 SNA to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SNA–ALN that never appear on search engines, with no booking fees.