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GTF to MSY: distance & flight time
Great Falls (Great Falls International Airport) → New Orleans (Louis Armstrong New Orleans International Airport)
1,649 mi
2,654 km · 1,433 nm
3h 42m
estimated nonstop flight time
+1h
time difference · heading southeast
See live GTF→MSY fares Phone-only fares on this route — call free
Flight time details
1,649 miles nonstop takes roughly 3h 42m gate to gate, flying southeast. 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
- MSY — Louis Armstrong New Orleans International Airport · New Orleans, 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 MSY
- NEW · Lakefront Airport14 mi away
- NBG · New Orleans NAS JRB/Alvin Callender Field18 mi away
- BTR · Baton Rouge Metropolitan Airport65 mi away
- GPT · Gulfport Biloxi International Airport76 mi away
Frequently asked questions
How far is GTF from MSY?
The flight distance from Great Falls (GTF) to New Orleans (MSY) is 1,649 miles (2,654 km, 1,433 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to MSY?
A nonstop flight takes about 3h 42m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Great Falls and New Orleans?
New Orleans is 1 hour ahead of Great Falls.
What is the cheapest way to fly from GTF to MSY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–MSY that never appear on search engines, with no booking fees.