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RUI to SEP: distance & flight time
Ruidoso (Sierra Blanca Regional Airport) → Stephenville (Stephenville Clark Regional Airport)
436 mi
701 km · 379 nm
1h 25m
estimated nonstop flight time
+1h
time difference · heading east
See live RUI→SEP fares Phone-only fares on this route — call free
Flight time details
436 miles nonstop takes roughly 1h 25m gate to gate, flying east. 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
- RUI — Sierra Blanca Regional Airport · Ruidoso, 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 RUI
- ALM · Alamogordo White Sands Regional Airport50 mi away
- HMN · Holloman Air Force Base54 mi away
- ROW · Roswell International Air Center Airport59 mi away
- WSD · Condron Army Air Field92 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 RUI from SEP?
The flight distance from Ruidoso (RUI) to Stephenville (SEP) is 436 miles (701 km, 379 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RUI to SEP?
A nonstop flight takes about 1h 25m 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 Ruidoso and Stephenville?
Stephenville is 1 hour ahead of Ruidoso.
What is the cheapest way to fly from RUI to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RUI–SEP that never appear on search engines, with no booking fees.