Need help booking?
Unpublished phone-only deals available
IBR to BOI: distance & flight time
Ibaraki (Hyakuri Airport) → Boise (Boise Air Terminal/Gowen Field)
5,129 mi
8,255 km · 4,457 nm
10h 31m
estimated nonstop flight time
-15h
time difference · heading northeast
See live IBR→BOI fares Phone-only fares on this route — call free
Flight time details
5,129 miles nonstop takes roughly 10h 31m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- IBR — Hyakuri Airport · Ibaraki, Japan
- 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 IBR
- NRT · Narita International Airport29 mi away
- HND · Tokyo Haneda International Airport56 mi away
- OKO · Yokota Air Base67 mi away
- FKS · Fukushima Airport72 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 IBR from BOI?
The flight distance from Ibaraki (IBR) to Boise (BOI) is 5,129 miles (8,255 km, 4,457 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IBR to BOI?
A nonstop flight takes about 10h 31m 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 Ibaraki and Boise?
Boise is 15 hours behind Ibaraki.
What is the cheapest way to fly from IBR to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IBR–BOI that never appear on search engines, with no booking fees.