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KSM to UTO: distance & flight time
St Mary's (St Mary's Airport) → Indian Mountains (Indian Mountain LRRS Airport)
397 mi
639 km · 345 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading northeast
See live KSM→UTO fares Phone-only fares on this route — call free
Flight time details
397 miles nonstop takes roughly 1h 31m gate to gate, flying northeast. 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
- KSM — St Mary's Airport · St Mary's, United States
- UTO — Indian Mountain LRRS Airport · Indian Mountains, 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 KSM
- MOU · Mountain Village Airport13 mi away
- MLL · Marshall Don Hunter Sr Airport44 mi away
- AUK · Alakanuk Airport61 mi away
- EMK · Emmonak Airport63 mi away
Near UTO
- HUS · Hughes Airport16 mi away
- AET · Allakaket Airport49 mi away
- HSL · Huslia Airport78 mi away
- BTT · Bettles Airport87 mi away
Frequently asked questions
How far is KSM from UTO?
The flight distance from St Mary's (KSM) to Indian Mountains (UTO) is 397 miles (639 km, 345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSM to UTO?
A nonstop flight takes about 1h 31m 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 KSM to UTO?
Nonstop service on KSM–UTO 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 31m nonstop estimate.
What is the cheapest way to fly from KSM to UTO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSM–UTO that never appear on search engines, with no booking fees.
Why are some KSM to UTO fares phone-only?
Consolidator contracts let us sell certain KSM–UTO 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.