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SMN to CAT: distance & flight time
Salmon (Lemhi County Airport) → Cascais (Cascais Airport)
4,990 mi
8,031 km · 4,337 nm
10h 15m
estimated nonstop flight time
+7h
time difference · heading northeast
See live SMN→CAT fares Phone-only fares on this route — call free
Flight time details
4,990 miles nonstop takes roughly 10h 15m 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
- SMN — Lemhi County Airport · Salmon, 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 SMN
- BTM · Bert Mooney Airport88 mi away
- MYL · McCall Municipal Airport110 mi away
- SUN · Friedman Memorial Airport114 mi away
- MSO · Missoula International Airport124 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 SMN from CAT?
The flight distance from Salmon (SMN) to Cascais (CAT) is 4,990 miles (8,031 km, 4,337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMN to CAT?
A nonstop flight takes about 10h 15m 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 Salmon and Cascais?
Cascais is 7 hours ahead of Salmon.
What is the cheapest way to fly from SMN to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMN–CAT that never appear on search engines, with no booking fees.