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SMN to REX: distance & flight time
Salmon (Lemhi County Airport) → Reynosa (General Lucio Blanco International Airport)
1,581 mi
2,544 km · 1,373 nm
3h 34m
estimated nonstop flight time
Same time
time difference · heading southeast
See live SMN→REX fares Phone-only fares on this route — call free
Flight time details
1,581 miles nonstop takes roughly 3h 34m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SMN — Lemhi County Airport · Salmon, United States
- REX — General Lucio Blanco International Airport · Reynosa, Mexico
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 REX
Frequently asked questions
How far is SMN from REX?
The flight distance from Salmon (SMN) to Reynosa (REX) is 1,581 miles (2,544 km, 1,373 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMN to REX?
A nonstop flight takes about 3h 34m 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 cheapest way to fly from SMN to REX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMN–REX that never appear on search engines, with no booking fees.