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KSM to UNK: distance & flight time
St Mary's (St Mary's Airport) → Unalakleet (Unalakleet Airport)
149 mi
239 km · 129 nm
51m
estimated nonstop flight time
Same time
time difference · heading northeast
See live KSM→UNK fares Phone-only fares on this route — call free
Flight time details
149 miles nonstop takes roughly 51m 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
- UNK — Unalakleet Airport · Unalakleet, 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 UNK
- SKK · Shaktoolik Airport36 mi away
- SMK · St Michael Airport49 mi away
- ELI · Elim Airport67 mi away
- KAL · Kaltag Airport69 mi away
Frequently asked questions
How far is KSM from UNK?
The flight distance from St Mary's (KSM) to Unalakleet (UNK) is 149 miles (239 km, 129 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSM to UNK?
A nonstop flight takes about 51m 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 UNK?
Nonstop service on KSM–UNK 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 51m nonstop estimate.
What is the cheapest way to fly from KSM to UNK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSM–UNK that never appear on search engines, with no booking fees.
Why are some KSM to UNK fares phone-only?
Consolidator contracts let us sell certain KSM–UNK 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.