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CAT to CMI: distance & flight time
Cascais (Cascais Airport) → Champaign (University of Illinois Willard Airport)
4,067 mi
6,544 km · 3,534 nm
8h 26m
estimated nonstop flight time
-6h
time difference · heading northwest
See live CAT→CMI fares Phone-only fares on this route — call free
Flight time details
4,067 miles nonstop takes roughly 8h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- CMI — University of Illinois Willard Airport · Champaign, United States
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 CMI
Frequently asked questions
How far is CAT from CMI?
The flight distance from Cascais (CAT) to Champaign (CMI) is 4,067 miles (6,544 km, 3,534 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to CMI?
A nonstop flight takes about 8h 26m 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 Champaign?
Champaign is 6 hours behind Cascais.
What is the cheapest way to fly from CAT to CMI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–CMI that never appear on search engines, with no booking fees.