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DEC to SEP: distance & flight time
Decatur (Decatur Airport) → Stephenville (Stephenville Clark Regional Airport)
739 mi
1,190 km · 642 nm
2h 4m
estimated nonstop flight time
Same time
time difference · heading southwest
See live DEC→SEP fares Phone-only fares on this route — call free
Flight time details
739 miles nonstop takes roughly 2h 4m gate to gate, flying southwest. 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
- DEC — Decatur Airport · Decatur, 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 DEC
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 DEC from SEP?
The flight distance from Decatur (DEC) to Stephenville (SEP) is 739 miles (1,190 km, 642 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to SEP?
A nonstop flight takes about 2h 4m 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 DEC to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–SEP that never appear on search engines, with no booking fees.