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GTF to SIG: distance & flight time
Great Falls (Great Falls International Airport) → San Juan (Fernando Luis Ribas Dominicci Airport)
3,234 mi
5,205 km · 2,810 nm
6h 48m
estimated nonstop flight time
+2h
time difference · heading east
See live GTF→SIG fares Phone-only fares on this route — call free
Flight time details
3,234 miles nonstop takes roughly 6h 48m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- SIG — Fernando Luis Ribas Dominicci Airport · San Juan, Puerto Rico
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 SIG
- SJU · Luis Munoz Marin International Airport6 mi away
- FAJ · Diego Jimenez Torres Airport30 mi away
- NRR · José Aponte de la Torre Airport33 mi away
- ARE · Antonio Nery Juarbe Pol Airport38 mi away
Frequently asked questions
How far is GTF from SIG?
The flight distance from Great Falls (GTF) to San Juan (SIG) is 3,234 miles (5,205 km, 2,810 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to SIG?
A nonstop flight takes about 6h 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 Juan?
San Juan is 2 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to SIG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–SIG that never appear on search engines, with no booking fees.