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HDN to CAT: distance & flight time
Hayden (Yampa Valley Airport) → Cascais (Cascais Airport)
4,908 mi
7,899 km · 4,265 nm
10h 5m
estimated nonstop flight time
+7h
time difference · heading northeast
See live HDN→CAT fares Phone-only fares on this route — call free
Flight time details
4,908 miles nonstop takes roughly 10h 5m 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
- HDN — Yampa Valley Airport · Hayden, 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 HDN
- SBS · Steamboat Springs Bob Adams Field19 mi away
- EGE · Eagle County Regional Airport60 mi away
- SAA · Shively Field70 mi away
- RIL · Garfield County Regional Airport71 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 HDN from CAT?
The flight distance from Hayden (HDN) to Cascais (CAT) is 4,908 miles (7,899 km, 4,265 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HDN to CAT?
A nonstop flight takes about 10h 5m 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 Hayden and Cascais?
Cascais is 7 hours ahead of Hayden.
What is the cheapest way to fly from HDN to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDN–CAT that never appear on search engines, with no booking fees.