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ISL to CAT: distance & flight time
Istanbul (Atatürk International Airport) → Cascais (Cascais Airport)
2,015 mi
3,242 km · 1,751 nm
4h 25m
estimated nonstop flight time
-2h
time difference · heading west
See live ISL→CAT fares Phone-only fares on this route — call free
Flight time details
2,015 miles nonstop takes roughly 4h 25m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ISL — Atatürk International Airport · Istanbul, Turkey
- 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 ISL
- IST · Istanbul Airport21 mi away
- SAW · Sabiha Gökçen International Airport26 mi away
- TEQ · Tekirdağ Çorlu Airport48 mi away
- BTZ · Bursa Airport52 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 ISL from CAT?
The flight distance from Istanbul (ISL) to Cascais (CAT) is 2,015 miles (3,242 km, 1,751 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISL to CAT?
A nonstop flight takes about 4h 25m 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 Istanbul and Cascais?
Cascais is 2 hours behind Istanbul.
What is the cheapest way to fly from ISL to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISL–CAT that never appear on search engines, with no booking fees.