Need help booking?
Unpublished phone-only deals available
CAT to SSN: distance & flight time
Cascais (Cascais Airport) → Seoul East (Seoul Air Base (K-16))
6,491 mi
10,446 km · 5,640 nm
13h 12m
estimated nonstop flight time
+8h
time difference · heading northeast
See live CAT→SSN fares Phone-only fares on this route — call free
Flight time details
6,491 miles nonstop takes roughly 13h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- SSN — Seoul Air Base (K-16) · Seoul East, South Korea
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 SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Frequently asked questions
How far is CAT from SSN?
The flight distance from Cascais (CAT) to Seoul East (SSN) is 6,491 miles (10,446 km, 5,640 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to SSN?
A nonstop flight takes about 13h 12m 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 Seoul East?
Seoul East is 8 hours ahead of Cascais.
What is the cheapest way to fly from CAT to SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–SSN that never appear on search engines, with no booking fees.