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XSI to CAT: distance & flight time
South Indian Lake (South Indian Lake Airport) → Cascais (Cascais Airport)
4,022 mi
6,473 km · 3,495 nm
8h 21m
estimated nonstop flight time
+6h
time difference · heading northeast
See live XSI→CAT fares Phone-only fares on this route — call free
Flight time details
4,022 miles nonstop takes roughly 8h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- XSI — South Indian Lake Airport · South Indian Lake, 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 XSI
- YLR · Leaf Rapids Airport45 mi away
- YTH · Thompson Airport79 mi away
- YYL · Lynn Lake Airport82 mi away
- KES · Kelsey Airport105 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 XSI from CAT?
The flight distance from South Indian Lake (XSI) to Cascais (CAT) is 4,022 miles (6,473 km, 3,495 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from XSI to CAT?
A nonstop flight takes about 8h 21m 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 South Indian Lake and Cascais?
Cascais is 6 hours ahead of South Indian Lake.
What is the cheapest way to fly from XSI to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on XSI–CAT that never appear on search engines, with no booking fees.