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SEP to MMH: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Mammoth Lakes (Mammoth Yosemite Airport)
1,226 mi
1,973 km · 1,065 nm
3h 8m
estimated nonstop flight time
-2h
time difference · heading northwest
See live SEP→MMH fares Phone-only fares on this route — call free
Flight time details
1,226 miles nonstop takes roughly 3h 8m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- SEP — Stephenville Clark Regional Airport · Stephenville, United States
- MMH — Mammoth Yosemite Airport · Mammoth Lakes, 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 MMH
- BIH · Eastern Sierra Regional Airport31 mi away
- RMY · Mariposa Yosemite Airport66 mi away
- FAT · Fresno Yosemite International Airport76 mi away
- MAE · Madera Municipal Airport83 mi away
Frequently asked questions
How far is SEP from MMH?
The flight distance from Stephenville (SEP) to Mammoth Lakes (MMH) is 1,226 miles (1,973 km, 1,065 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to MMH?
A nonstop flight takes about 3h 8m 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 SEP to MMH?
Nonstop service on SEP–MMH 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 3h 8m nonstop estimate.
What is the time difference between Stephenville and Mammoth Lakes?
Mammoth Lakes is 2 hours behind Stephenville.
What is the cheapest way to fly from SEP to MMH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–MMH that never appear on search engines, with no booking fees.
Why are some SEP to MMH fares phone-only?
Consolidator contracts let us sell certain SEP–MMH 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.