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BOI to SGU: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Saint George (St George Municipal Airport)
473 mi
761 km · 411 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading south
See live BOI→SGU fares Phone-only fares on this route — call free
Flight time details
473 miles nonstop takes roughly 1h 30m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- BOI — Boise Air Terminal/Gowen Field · Boise, United States
- SGU — St George Municipal Airport · Saint George, 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 BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Near SGU
- CDC · Cedar City Regional Airport51 mi away
- LAS · McCarran International Airport113 mi away
- BCE · Bryce Canyon Airport88 mi away
- LSV · Nellis Air Force Base101 mi away
Frequently asked questions
How far is BOI from SGU?
The flight distance from Boise (BOI) to Saint George (SGU) is 473 miles (761 km, 411 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to SGU?
A nonstop flight takes about 1h 30m 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 BOI to SGU?
Nonstop service on BOI–SGU 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 1h 30m nonstop estimate.
What is the cheapest way to fly from BOI to SGU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–SGU that never appear on search engines, with no booking fees.
Why are some BOI to SGU fares phone-only?
Consolidator contracts let us sell certain BOI–SGU 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.