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YSL to DUC: distance & flight time
St Leonard (St Leonard Airport) → Duncan (Halliburton Field)
1,787 mi
2,875 km · 1,553 nm
3h 58m
estimated nonstop flight time
—
time difference · heading west
See live YSL→DUC fares Phone-only fares on this route — call free
Flight time details
1,787 miles nonstop takes roughly 3h 58m gate to gate, flying west. 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
- YSL — St Leonard Airport · St Leonard, Canada
- DUC — Halliburton Field · Duncan, 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 YSL
- CAR · Caribou Municipal Airport22 mi away
- WFK · Northern Aroostook Regional Airport24 mi away
- PQI · Northern Maine Regional Airport at Presque Isle34 mi away
- HUL · Houlton International Airport71 mi away
Near DUC
Frequently asked questions
How far is YSL from DUC?
The flight distance from St Leonard (YSL) to Duncan (DUC) is 1,787 miles (2,875 km, 1,553 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSL to DUC?
A nonstop flight takes about 3h 58m 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 YSL to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSL–DUC that never appear on search engines, with no booking fees.