Need help booking?
Unpublished phone-only deals available
ZGF to BOI: distance & flight time
Grand Forks (Grand Forks Airport) → Boise (Boise Air Terminal/Gowen Field)
391 mi
629 km · 340 nm
1h 30m
estimated nonstop flight time
—
time difference · heading south
See live ZGF→BOI fares Phone-only fares on this route — call free
Flight time details
391 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
- ZGF — Grand Forks Airport · Grand Forks, Canada
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 ZGF
- YZZ · Trail Airport37 mi away
- YCG · Castlegar/West Kootenay Regional Airport41 mi away
- YYF · Penticton Airport61 mi away
- YLW · Kelowna International Airport78 mi away
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
Frequently asked questions
How far is ZGF from BOI?
The flight distance from Grand Forks (ZGF) to Boise (BOI) is 391 miles (629 km, 340 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZGF to BOI?
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 ZGF to BOI?
Nonstop service on ZGF–BOI 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 ZGF to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZGF–BOI that never appear on search engines, with no booking fees.
Why are some ZGF to BOI fares phone-only?
Consolidator contracts let us sell certain ZGF–BOI 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.