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AUS to CAT: distance & flight time
Austin (Austin Bergstrom International Airport) → Cascais (Cascais Airport)
4,868 mi
7,835 km · 4,230 nm
10h 1m
estimated nonstop flight time
+6h
time difference · heading northeast
See live AUS→CAT fares Phone-only fares on this route — call free
Flight time details
4,868 miles nonstop takes roughly 10h 1m 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
- AUS — Austin Bergstrom International Airport · Austin, 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 AUS
- RND · Randolph Air Force Base59 mi away
- GRK · Robert Gray Army Air Field Airport61 mi away
- HLR · Hood Army Air Field65 mi away
- SAT · San Antonio International Airport66 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 AUS from CAT?
The flight distance from Austin (AUS) to Cascais (CAT) is 4,868 miles (7,835 km, 4,230 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AUS to CAT?
A nonstop flight takes about 10h 1m 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 Austin and Cascais?
Cascais is 6 hours ahead of Austin.
What is the cheapest way to fly from AUS to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AUS–CAT that never appear on search engines, with no booking fees.