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CAT to CNX: distance & flight time
Cascais (Cascais Airport) → Chiang Mai (Chiang Mai International Airport)
6,341 mi
10,204 km · 5,510 nm
12h 54m
estimated nonstop flight time
+6h
time difference · heading northeast
See live CAT→CNX fares Phone-only fares on this route — call free
Flight time details
6,341 miles nonstop takes roughly 12h 54m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Frequently asked questions
How far is CAT from CNX?
The flight distance from Cascais (CAT) to Chiang Mai (CNX) is 6,341 miles (10,204 km, 5,510 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to CNX?
A nonstop flight takes about 12h 54m 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 Chiang Mai?
Chiang Mai is 6 hours ahead of Cascais.
What is the cheapest way to fly from CAT to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–CNX that never appear on search engines, with no booking fees.