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SDY to SEP: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Stephenville (Stephenville Clark Regional Airport)
1,116 mi
1,796 km · 970 nm
2h 54m
estimated nonstop flight time
+1h
time difference · heading south
See live SDY→SEP fares Phone-only fares on this route — call free
Flight time details
1,116 miles nonstop takes roughly 2h 54m gate to gate, flying south. 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
- SDY — Sidney - Richland Regional Airport · Sidney, 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 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 SDY from SEP?
The flight distance from Sidney (SDY) to Stephenville (SEP) is 1,116 miles (1,796 km, 970 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to SEP?
A nonstop flight takes about 2h 54m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SDY to SEP?
Nonstop service on SDY–SEP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 54m nonstop estimate.
What is the time difference between Sidney and Stephenville?
Stephenville is 1 hour ahead of Sidney.
What is the cheapest way to fly from SDY to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–SEP that never appear on search engines, with no booking fees.
Why are some SDY to SEP fares phone-only?
Consolidator contracts let us sell certain SDY–SEP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.