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PTU to KSM: distance & flight time
Port Moller (Platinum Airport) → St Mary's (St Mary's Airport)
217 mi
349 km · 188 nm
1h 2m
estimated nonstop flight time
Same time
time difference · heading north
See live PTU→KSM fares Phone-only fares on this route — call free
Flight time details
217 miles nonstop takes roughly 1h 2m gate to gate, flying north. 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
- PTU — Platinum Airport · Port Moller, United States
- KSM — St Mary's Airport · St Mary's, 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 PTU
- EHM · Cape Newenham LRRS Airport27 mi away
- TOG · Togiak Airport51 mi away
- KWN · Quinhagak Airport51 mi away
- KKH · Kongiganak Airport75 mi away
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
Frequently asked questions
How far is PTU from KSM?
The flight distance from Port Moller (PTU) to St Mary's (KSM) is 217 miles (349 km, 188 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PTU to KSM?
A nonstop flight takes about 1h 2m 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 PTU to KSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PTU–KSM that never appear on search engines, with no booking fees.