Need help booking?
Unpublished phone-only deals available
PHN to UBP: distance & flight time
Port Huron (St Clair County International Airport) → Ubon Ratchathani (Ubon Ratchathani Airport)
8,391 mi
13,504 km · 7,291 nm
16h 55m
estimated nonstop flight time
+11h
time difference · heading north
See live PHN→UBP fares Phone-only fares on this route — call free
Flight time details
8,391 miles nonstop takes roughly 16h 55m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- PHN — St Clair County International Airport · Port Huron, United States
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, Thailand
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 UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin Airport95 mi away
Frequently asked questions
How far is PHN from UBP?
The flight distance from Port Huron (PHN) to Ubon Ratchathani (UBP) is 8,391 miles (13,504 km, 7,291 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to UBP?
A nonstop flight takes about 16h 55m 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 Ubon Ratchathani?
Ubon Ratchathani is 11 hours ahead of Port Huron.
What is the cheapest way to fly from PHN to UBP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–UBP that never appear on search engines, with no booking fees.