Need help booking?
Unpublished phone-only deals available
PHN to BOI: distance & flight time
Port Huron (St Clair County International Airport) → Boise (Boise Air Terminal/Gowen Field)
1,685 mi
2,712 km · 1,464 nm
3h 46m
estimated nonstop flight time
-2h
time difference · heading west
See live PHN→BOI fares Phone-only fares on this route — call free
Flight time details
1,685 miles nonstop takes roughly 3h 46m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, United States
- 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 PHN
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 PHN from BOI?
The flight distance from Port Huron (PHN) to Boise (BOI) is 1,685 miles (2,712 km, 1,464 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to BOI?
A nonstop flight takes about 3h 46m 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 Port Huron and Boise?
Boise is 2 hours behind Port Huron.
What is the cheapest way to fly from PHN to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–BOI that never appear on search engines, with no booking fees.