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LAM to SEP: distance & flight time
Los Alamos (Los Alamos Airport) → Stephenville (Stephenville Clark Regional Airport)
528 mi
849 km · 458 nm
1h 37m
estimated nonstop flight time
+1h
time difference · heading southeast
See live LAM→SEP fares Phone-only fares on this route — call free
Flight time details
528 miles nonstop takes roughly 1h 37m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- LAM — Los Alamos Airport · Los Alamos, United States
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 LAM
- SAF · Santa Fe Municipal Airport21 mi away
- TSM · Taos Regional Airport52 mi away
- ABQ · Albuquerque International Sunport61 mi away
- LVS · Las Vegas Municipal Airport65 mi away
Near SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is LAM from SEP?
The flight distance from Los Alamos (LAM) to Stephenville (SEP) is 528 miles (849 km, 458 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAM to SEP?
A nonstop flight takes about 1h 37m 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 Los Alamos and Stephenville?
Stephenville is 1 hour ahead of Los Alamos.
What is the cheapest way to fly from LAM to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAM–SEP that never appear on search engines, with no booking fees.