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YQS to CAT: distance & flight time
St Thomas (St Thomas Municipal Airport) → Cascais (Cascais Airport)
3,651 mi
5,875 km · 3,172 nm
7h 37m
estimated nonstop flight time
—
time difference · heading east
See live YQS→CAT fares Phone-only fares on this route — call free
Flight time details
3,651 miles nonstop takes roughly 7h 37m gate to gate, flying east. 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
- CAT — Cascais Airport · Cascais, Portugal
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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Frequently asked questions
How far is YQS from CAT?
The flight distance from St Thomas (YQS) to Cascais (CAT) is 3,651 miles (5,875 km, 3,172 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YQS to CAT?
A nonstop flight takes about 7h 37m 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 CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YQS–CAT that never appear on search engines, with no booking fees.