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GRZ to BOI: distance & flight time
Graz (Graz Airport) → Boise (Boise Air Terminal/Gowen Field)
5,520 mi
8,884 km · 4,797 nm
11h 17m
estimated nonstop flight time
-8h
time difference · heading northwest
See live GRZ→BOI fares Phone-only fares on this route — call free
Flight time details
5,520 miles nonstop takes roughly 11h 17m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- GRZ — Graz Airport · Graz, Austria
- 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 GRZ
- MBX · Maribor Airport37 mi away
- KLU · Klagenfurt Airport57 mi away
- LJU · Ljubljana Jože Pučnik Airport71 mi away
- SOB · Sármellék International Airport84 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 GRZ from BOI?
The flight distance from Graz (GRZ) to Boise (BOI) is 5,520 miles (8,884 km, 4,797 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRZ to BOI?
A nonstop flight takes about 11h 17m 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 Graz and Boise?
Boise is 8 hours behind Graz.
What is the cheapest way to fly from GRZ to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRZ–BOI that never appear on search engines, with no booking fees.