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GTF to TWF: distance & flight time
Great Falls (Great Falls International Airport) → Twin Falls (Joslin Field Magic Valley Regional Airport)
377 mi
608 km · 328 nm
1h 28m
estimated nonstop flight time
Same time
time difference · heading southwest
See live GTF→TWF fares Phone-only fares on this route — call free
Flight time details
377 miles nonstop takes roughly 1h 28m 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
- GTF — Great Falls International Airport · Great Falls, United States
- TWF — Joslin Field Magic Valley Regional Airport · Twin Falls, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Near TWF
- BYI · Burley Municipal Airport37 mi away
- SUN · Friedman Memorial Airport71 mi away
- MUO · Mountain Home Air Force Base80 mi away
- PIH · Pocatello Regional Airport101 mi away
Frequently asked questions
How far is GTF from TWF?
The flight distance from Great Falls (GTF) to Twin Falls (TWF) is 377 miles (608 km, 328 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to TWF?
A nonstop flight takes about 1h 28m 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 GTF to TWF?
Nonstop service on GTF–TWF 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 1h 28m nonstop estimate.
What is the cheapest way to fly from GTF to TWF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–TWF that never appear on search engines, with no booking fees.
Why are some GTF to TWF fares phone-only?
Consolidator contracts let us sell certain GTF–TWF 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.