Need help booking?
Unpublished phone-only deals available
CAT to IST: distance & flight time
Cascais (Cascais Airport) → Istanbul (Istanbul Airport)
2,008 mi
3,232 km · 1,745 nm
4h 24m
estimated nonstop flight time
+2h
time difference · heading east
See live CAT→IST fares Phone-only fares on this route — call free
Flight time details
2,008 miles nonstop takes roughly 4h 24m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- IST — Istanbul Airport · Istanbul, Turkey
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 IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 mi away
Frequently asked questions
How far is CAT from IST?
The flight distance from Cascais (CAT) to Istanbul (IST) is 2,008 miles (3,232 km, 1,745 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to IST?
A nonstop flight takes about 4h 24m 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 Istanbul?
Istanbul is 2 hours ahead of Cascais.
What is the cheapest way to fly from CAT to IST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–IST that never appear on search engines, with no booking fees.