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GSP to CAT: distance & flight time
Greenville (Greenville Spartanburg International Airport) → Cascais (Cascais Airport)
3,930 mi
6,325 km · 3,415 nm
8h 10m
estimated nonstop flight time
+5h
time difference · heading northeast
See live GSP→CAT fares Phone-only fares on this route — call free
Flight time details
3,930 miles nonstop takes roughly 8h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- GSP — Greenville Spartanburg International Airport · Greenville, United States
- 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 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
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 GSP from CAT?
The flight distance from Greenville (GSP) to Cascais (CAT) 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 GSP to CAT?
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 Greenville and Cascais?
Cascais is 5 hours ahead of Greenville.
What is the cheapest way to fly from GSP to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSP–CAT that never appear on search engines, with no booking fees.