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ART to PHN: distance & flight time
Watertown (Watertown International Airport) → Port Huron (St Clair County International Airport)
335 mi
539 km · 291 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading west
See live ART→PHN fares Phone-only fares on this route — call free
Flight time details
335 miles nonstop takes roughly 1h 21m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ART — Watertown International Airport · Watertown, 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 ART
- YGK · Kingston Norman Rogers Airport33 mi away
- OGS · Ogdensburg International Airport55 mi away
- RME · Griffiss International Airport61 mi away
- SYR · Syracuse Hancock International Airport61 mi away
Near PHN
Frequently asked questions
How far is ART from PHN?
The flight distance from Watertown (ART) to Port Huron (PHN) is 335 miles (539 km, 291 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ART to PHN?
A nonstop flight takes about 1h 21m 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 cheapest way to fly from ART to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ART–PHN that never appear on search engines, with no booking fees.