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MGY to ALN: distance & flight time
Dayton (Dayton-Wright Brothers Airport) → Alton/St Louis (St Louis Regional Airport)
315 mi
507 km · 274 nm
1h 18m
estimated nonstop flight time
—
time difference · heading west
See live MGY→ALN fares Phone-only fares on this route — call free
Flight time details
315 miles nonstop takes roughly 1h 18m 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
- MGY — Dayton-Wright Brothers Airport · Dayton, 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 MGY
- FFO · Wright-Patterson Air Force Base19 mi away
- DAY · James M Cox Dayton International Airport22 mi away
- HAO · Butler Co Regional Airport - Hogan Field22 mi away
- ILN · Wilmington Airpark26 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 MGY from ALN?
The flight distance from Dayton (MGY) to Alton/St Louis (ALN) is 315 miles (507 km, 274 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MGY to ALN?
A nonstop flight takes about 1h 18m 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 MGY to ALN?
Nonstop service on MGY–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 1h 18m nonstop estimate.
What is the cheapest way to fly from MGY to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MGY–ALN that never appear on search engines, with no booking fees.
Why are some MGY to ALN fares phone-only?
Consolidator contracts let us sell certain MGY–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.