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BOI to GNT: distance & flight time
Boise (Boise Air Terminal/Gowen Field) → Grants (Grants-Milan Municipal Airport)
730 mi
1,175 km · 634 nm
2h 3m
estimated nonstop flight time
Same time
time difference · heading southeast
See live BOI→GNT fares Phone-only fares on this route — call free
Flight time details
730 miles nonstop takes roughly 2h 3m gate to gate, flying southeast. 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
- GNT — Grants-Milan Municipal Airport · Grants, 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 GNT
- GUP · Gallup Municipal Airport55 mi away
- ABQ · Albuquerque International Sunport74 mi away
- LAM · Los Alamos Airport104 mi away
- SAF · Santa Fe Municipal Airport107 mi away
Frequently asked questions
How far is BOI from GNT?
The flight distance from Boise (BOI) to Grants (GNT) is 730 miles (1,175 km, 634 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOI to GNT?
A nonstop flight takes about 2h 3m 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 cheapest way to fly from BOI to GNT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOI–GNT that never appear on search engines, with no booking fees.