Need help booking?
Unpublished phone-only deals available
CAT to GSP: distance & flight time
Cascais (Cascais Airport) → Greenville (Greenville Spartanburg International Airport)
3,930 mi
6,325 km · 3,415 nm
8h 10m
estimated nonstop flight time
-5h
time difference · heading west
See live CAT→GSP fares Phone-only fares on this route — call free
Flight time details
3,930 miles nonstop takes roughly 8h 10m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- GSP — Greenville Spartanburg International Airport · Greenville, 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 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
Near GSP
- GMU · Greenville Downtown Airport8 mi away
- GDC · Donaldson Field Airport13 mi away
- SPA · Spartanburg Downtown Memorial Airport15 mi away
- CLT · Charlotte Douglas International Airport75 mi away
Frequently asked questions
How far is CAT from GSP?
The flight distance from Cascais (CAT) to Greenville (GSP) is 3,930 miles (6,325 km, 3,415 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to GSP?
A nonstop flight takes about 8h 10m 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 Cascais and Greenville?
Greenville is 5 hours behind Cascais.
What is the cheapest way to fly from CAT to GSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–GSP that never appear on search engines, with no booking fees.