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PML to KSM: distance & flight time
Cold Bay (Port Moller Airport) → St Mary's (St Mary's Airport)
429 mi
691 km · 373 nm
1h 24m
estimated nonstop flight time
Same time
time difference · heading north
See live PML→KSM fares Phone-only fares on this route — call free
Flight time details
429 miles nonstop takes roughly 1h 24m 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
- PML — Port Moller Airport · Cold Bay, 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 PML
- NLG · Nelson Lagoon Airport23 mi away
- SDP · Sand Point Airport48 mi away
- KPV · Perryville Airport55 mi away
- KVC · King Cove Airport91 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 PML from KSM?
The flight distance from Cold Bay (PML) to St Mary's (KSM) is 429 miles (691 km, 373 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PML to KSM?
A nonstop flight takes about 1h 24m 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 PML to KSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PML–KSM that never appear on search engines, with no booking fees.