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SEP to YSB: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Sudbury (Sudbury Airport)
1,355 mi
2,180 km · 1,177 nm
3h 25m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SEP→YSB fares Phone-only fares on this route — call free
Flight time details
1,355 miles nonstop takes roughly 3h 25m 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
- YSB — Sudbury Airport · Sudbury, 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 YSB
- YYB · North Bay Jack Garland Airport68 mi away
- YEM · Manitoulin East Municipal Airport74 mi away
- YEL · Elliot Lake Municipal Airport86 mi away
- YXR · Earlton (Timiskaming Regional) Airport87 mi away
Frequently asked questions
How far is SEP from YSB?
The flight distance from Stephenville (SEP) to Sudbury (YSB) is 1,355 miles (2,180 km, 1,177 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to YSB?
A nonstop flight takes about 3h 25m 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 Sudbury?
Sudbury is 1 hour ahead of Stephenville.
What is the cheapest way to fly from SEP to YSB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–YSB that never appear on search engines, with no booking fees.