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GTF to CGX: distance & flight time
Great Falls (Great Falls International Airport) → Chicago (Chicago Meigs Airport)
1,225 mi
1,971 km · 1,064 nm
3h 8m
estimated nonstop flight time
+1h
time difference · heading east
See live GTF→CGX fares Phone-only fares on this route — call free
Flight time details
1,225 miles nonstop takes roughly 3h 8m 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
- CGX — Chicago Meigs Airport · Chicago, 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 CGX
- ORD · Chicago O'Hare International Airport17 mi away
- MDW · Chicago Midway International Airport9 mi away
- GYY · Gary Chicago International Airport20 mi away
- PWK · Chicago Executive Airport23 mi away
Frequently asked questions
How far is GTF from CGX?
The flight distance from Great Falls (GTF) to Chicago (CGX) is 1,225 miles (1,971 km, 1,064 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to CGX?
A nonstop flight takes about 3h 8m 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 Chicago?
Chicago is 1 hour ahead of Great Falls.
What is the cheapest way to fly from GTF to CGX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–CGX that never appear on search engines, with no booking fees.