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YSM to CAT: distance & flight time
Fort Smith (Fort Smith Airport) → Cascais (Cascais Airport)
4,340 mi
6,985 km · 3,772 nm
8h 59m
estimated nonstop flight time
+7h
time difference · heading northeast
See live YSM→CAT fares Phone-only fares on this route — call free
Flight time details
4,340 miles nonstop takes roughly 8h 59m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- YSM — Fort Smith Airport · Fort Smith, 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 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 YSM from CAT?
The flight distance from Fort Smith (YSM) to Cascais (CAT) is 4,340 miles (6,985 km, 3,772 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to CAT?
A nonstop flight takes about 8h 59m 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 Fort Smith and Cascais?
Cascais is 7 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–CAT that never appear on search engines, with no booking fees.