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TCM to GTF: distance & flight time
Tacoma (McChord Air Force Base) → Great Falls (Great Falls International Airport)
520 mi
837 km · 452 nm
1h 36m
estimated nonstop flight time
+1h
time difference · heading east
See live TCM→GTF fares Phone-only fares on this route — call free
Flight time details
520 miles nonstop takes roughly 1h 36m 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
- TCM — McChord Air Force Base · Tacoma, United States
- GTF — Great Falls International Airport · Great 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 TCM
- SEA · Seattle Tacoma International Airport23 mi away
- GRF · Gray Army Air Field6 mi away
- TIW · Tacoma Narrows Airport10 mi away
- OLM · Olympia Regional Airport23 mi away
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
Frequently asked questions
How far is TCM from GTF?
The flight distance from Tacoma (TCM) to Great Falls (GTF) is 520 miles (837 km, 452 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TCM to GTF?
A nonstop flight takes about 1h 36m 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 TCM to GTF?
Nonstop service on TCM–GTF 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 36m nonstop estimate.
What is the time difference between Tacoma and Great Falls?
Great Falls is 1 hour ahead of Tacoma.
What is the cheapest way to fly from TCM to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TCM–GTF that never appear on search engines, with no booking fees.
Why are some TCM to GTF fares phone-only?
Consolidator contracts let us sell certain TCM–GTF 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.