Need help booking?
Unpublished phone-only deals available
GTF to SDM: distance & flight time
Great Falls (Great Falls International Airport) → San Diego (Brown Field Municipal Airport)
1,071 mi
1,724 km · 931 nm
2h 48m
estimated nonstop flight time
-1h
time difference · heading south
See live GTF→SDM fares Phone-only fares on this route — call free
Flight time details
1,071 miles nonstop takes roughly 2h 48m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- SDM — Brown Field Municipal Airport · San Diego, 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 SDM
Frequently asked questions
How far is GTF from SDM?
The flight distance from Great Falls (GTF) to San Diego (SDM) is 1,071 miles (1,724 km, 931 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to SDM?
A nonstop flight takes about 2h 48m 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 San Diego?
San Diego is 1 hour behind Great Falls.
What is the cheapest way to fly from GTF to SDM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–SDM that never appear on search engines, with no booking fees.