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KSM to SDP: distance & flight time
St Mary's (St Mary's Airport) → Sand Point (Sand Point Airport)
477 mi
767 km · 414 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading south
See live KSM→SDP fares Phone-only fares on this route — call free
Flight time details
477 miles nonstop takes roughly 1h 30m gate to gate, flying south. 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
- SDP — Sand Point Airport · Sand Point, 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 SDP
- PML · Port Moller Airport48 mi away
- NLG · Nelson Lagoon Airport54 mi away
- KPV · Perryville Airport67 mi away
- KVC · King Cove Airport70 mi away
Frequently asked questions
How far is KSM from SDP?
The flight distance from St Mary's (KSM) to Sand Point (SDP) is 477 miles (767 km, 414 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSM to SDP?
A nonstop flight takes about 1h 30m 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 KSM to SDP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSM–SDP that never appear on search engines, with no booking fees.