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UBP to PHN: distance & flight time
Ubon Ratchathani (Ubon Ratchathani Airport) → Port Huron (St Clair County International Airport)
8,391 mi
13,504 km · 7,291 nm
16h 55m
estimated nonstop flight time
-11h
time difference · heading north
See live UBP→PHN 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 set-back when reading arrival times on your ticket.
The two airports
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, Thailand
- 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 UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin Airport95 mi away
Near PHN
Frequently asked questions
How far is UBP from PHN?
The flight distance from Ubon Ratchathani (UBP) to Port Huron (PHN) 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 UBP to PHN?
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 Ubon Ratchathani and Port Huron?
Port Huron is 11 hours behind Ubon Ratchathani.
What is the cheapest way to fly from UBP to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBP–PHN that never appear on search engines, with no booking fees.