Need help booking?
Unpublished phone-only deals available
GTF to GRB: distance & flight time
Great Falls (Great Falls International Airport) → Green Bay (Austin Straubel International Airport)
1,130 mi
1,819 km · 982 nm
2h 55m
estimated nonstop flight time
+1h
time difference · heading east
See live GTF→GRB fares Phone-only fares on this route — call free
Flight time details
1,130 miles nonstop takes roughly 2h 55m 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
- GTF — Great Falls International Airport · Great Falls, United States
- GRB — Austin Straubel International Airport · Green Bay, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
Frequently asked questions
How far is GTF from GRB?
The flight distance from Great Falls (GTF) to Green Bay (GRB) is 1,130 miles (1,819 km, 982 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to GRB?
A nonstop flight takes about 2h 55m 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 GRB?
Nonstop service on GTF–GRB 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 55m nonstop estimate.
What is the time difference between Great Falls and Green Bay?
Green Bay is 1 hour ahead of Great Falls.
What is the cheapest way to fly from GTF to GRB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–GRB that never appear on search engines, with no booking fees.
Why are some GTF to GRB fares phone-only?
Consolidator contracts let us sell certain GTF–GRB 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.