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JNU to KSM: distance & flight time
Juneau (Juneau International Airport) → St Mary's (St Mary's Airport)
1,010 mi
1,625 km · 877 nm
2h 40m
estimated nonstop flight time
Same time
time difference · heading northwest
See live JNU→KSM fares Phone-only fares on this route — call free
Flight time details
1,010 miles nonstop takes roughly 2h 40m gate to gate, flying northwest. 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
- JNU — Juneau International Airport · Juneau, 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 JNU
- FNR · Funter Bay Seaplane Base14 mi away
- HNH · Hoonah Airport35 mi away
- GST · Gustavus Airport41 mi away
- AGN · Angoon Seaplane Base59 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 JNU from KSM?
The flight distance from Juneau (JNU) to St Mary's (KSM) is 1,010 miles (1,625 km, 877 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JNU to KSM?
A nonstop flight takes about 2h 40m 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 JNU to KSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JNU–KSM that never appear on search engines, with no booking fees.