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SEP to YAM: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Sault Sainte Marie (Sault Ste Marie Airport)
1,223 mi
1,968 km · 1,063 nm
3h 8m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SEP→YAM fares Phone-only fares on this route — call free
Flight time details
1,223 miles nonstop takes roughly 3h 8m gate to gate, flying northeast. 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
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- YAM — Sault Ste Marie Airport · Sault Sainte Marie, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Near YAM
Frequently asked questions
How far is SEP from YAM?
The flight distance from Stephenville (SEP) to Sault Sainte Marie (YAM) is 1,223 miles (1,968 km, 1,063 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to YAM?
A nonstop flight takes about 3h 8m 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 time difference between Stephenville and Sault Sainte Marie?
Sault Sainte Marie is 1 hour ahead of Stephenville.
What is the cheapest way to fly from SEP to YAM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–YAM that never appear on search engines, with no booking fees.