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ASE to CAT: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Cascais (Cascais Airport)
4,943 mi
7,956 km · 4,296 nm
10h 10m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ASE→CAT fares Phone-only fares on this route — call free
Flight time details
4,943 miles nonstop takes roughly 10h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 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 ASE from CAT?
The flight distance from Aspen (ASE) to Cascais (CAT) is 4,943 miles (7,956 km, 4,296 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to CAT?
A nonstop flight takes about 10h 10m 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 Aspen and Cascais?
Cascais is 7 hours ahead of Aspen.
What is the cheapest way to fly from ASE to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–CAT that never appear on search engines, with no booking fees.