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KSM to YXY: distance & flight time
St Mary's (St Mary's Airport) → Whitehorse (Whitehorse / Erik Nielsen International Airport)
931 mi
1,499 km · 809 nm
2h 29m
estimated nonstop flight time
+1h
time difference · heading east
See live KSM→YXY fares Phone-only fares on this route — call free
Flight time details
931 miles nonstop takes roughly 2h 29m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- KSM — St Mary's Airport · St Mary's, United States
- YXY — Whitehorse / Erik Nielsen International Airport · Whitehorse, Canada
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 YXY
- YHT · Haines Junction Airport84 mi away
- YZW · Teslin Airport87 mi away
- SGY · Skagway Airport87 mi away
- HNS · Haines Airport103 mi away
Frequently asked questions
How far is KSM from YXY?
The flight distance from St Mary's (KSM) to Whitehorse (YXY) is 931 miles (1,499 km, 809 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSM to YXY?
A nonstop flight takes about 2h 29m 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 YXY?
Nonstop service on KSM–YXY 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 2h 29m nonstop estimate.
What is the time difference between St Mary's and Whitehorse?
Whitehorse is 1 hour ahead of St Mary's.
What is the cheapest way to fly from KSM to YXY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSM–YXY that never appear on search engines, with no booking fees.
Why are some KSM to YXY fares phone-only?
Consolidator contracts let us sell certain KSM–YXY 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.