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MMH to JST: distance & flight time
Mammoth Lakes (Mammoth Yosemite Airport) → Johnstown (John Murtha Johnstown Cambria County Airport)
2,139 mi
3,442 km · 1,859 nm
4h 40m
estimated nonstop flight time
+3h
time difference · heading east
See live MMH→JST fares Phone-only fares on this route — call free
Flight time details
2,139 miles nonstop takes roughly 4h 40m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- MMH — Mammoth Yosemite Airport · Mammoth Lakes, United States
- JST — John Murtha Johnstown Cambria County Airport · Johnstown, 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 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
Near JST
- AOO · Altoona Blair County Airport27 mi away
- LBE · Arnold Palmer Regional Airport30 mi away
- CBE · Greater Cumberland Regional Airport49 mi away
- AGC · Allegheny County Airport58 mi away
Frequently asked questions
How far is MMH from JST?
The flight distance from Mammoth Lakes (MMH) to Johnstown (JST) is 2,139 miles (3,442 km, 1,859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MMH to JST?
A nonstop flight takes about 4h 40m 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 MMH to JST?
Nonstop service on MMH–JST 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 4h 40m nonstop estimate.
What is the time difference between Mammoth Lakes and Johnstown?
Johnstown is 3 hours ahead of Mammoth Lakes.
What is the cheapest way to fly from MMH to JST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MMH–JST that never appear on search engines, with no booking fees.
Why are some MMH to JST fares phone-only?
Consolidator contracts let us sell certain MMH–JST 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.