Need help booking?
Unpublished phone-only deals available
BTM to PHN: distance & flight time
Butte (Bert Mooney Airport) → Port Huron (St Clair County International Airport)
1,484 mi
2,389 km · 1,290 nm
3h 42m
estimated nonstop flight time
+2h
time difference · heading east
See live BTM→PHN fares Phone-only fares on this route — call free
Flight time details
1,484 miles nonstop takes roughly 3h 42m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- BTM — Bert Mooney Airport · Butte, United States
- PHN — St Clair County International Airport · Port Huron, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Near PHN
Frequently asked questions
How far is BTM from PHN?
The flight distance from Butte (BTM) to Port Huron (PHN) is 1,484 miles (2,389 km, 1,290 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to PHN?
A nonstop flight takes about 3h 42m 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 Butte and Port Huron?
Port Huron is 2 hours ahead of Butte.
What is the cheapest way to fly from BTM to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–PHN that never appear on search engines, with no booking fees.