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SEP to SAT: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → San Antonio (San Antonio International Airport)
186 mi
299 km · 162 nm
57m
estimated nonstop flight time
Same time
time difference · heading south
See live SEP→SAT fares Phone-only fares on this route — call free
Flight time details
186 miles nonstop takes roughly 57m gate to gate, flying south. 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
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- SAT — San Antonio International Airport · San Antonio, 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 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
Near SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 mi away
Frequently asked questions
How far is SEP from SAT?
The flight distance from Stephenville (SEP) to San Antonio (SAT) is 186 miles (299 km, 162 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to SAT?
A nonstop flight takes about 57m 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 SEP to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–SAT that never appear on search engines, with no booking fees.