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YQS to DCU: distance & flight time
St Thomas (St Thomas Municipal Airport) → Decatur (Pryor Field Regional Airport)
643 mi
1,034 km · 558 nm
1h 52m
estimated nonstop flight time
—
time difference · heading southwest
See live YQS→DCU fares Phone-only fares on this route — call free
Flight time details
643 miles nonstop takes roughly 1h 52m gate to gate, flying southwest. 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
- YQS — St Thomas Municipal Airport · St Thomas, Canada
- DCU — Pryor Field Regional Airport · Decatur, 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 YQS
- YXU · London Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome41 mi away
- YYZ · Lester B. Pearson International Airport97 mi away
- YKF · Waterloo Airport60 mi away
Near DCU
- HSV · Huntsville International Carl T Jones Field10 mi away
- HUA · Redstone Army Air Field15 mi away
- MSL · Northwest Alabama Regional Airport38 mi away
- GAD · Northeast Alabama Regional Airport68 mi away
Frequently asked questions
How far is YQS from DCU?
The flight distance from St Thomas (YQS) to Decatur (DCU) is 643 miles (1,034 km, 558 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YQS to DCU?
A nonstop flight takes about 1h 52m 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 YQS to DCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YQS–DCU that never appear on search engines, with no booking fees.