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ROA to PHN: distance & flight time
Roanoke VA (Roanoke–Blacksburg Regional Airport) → Port Huron (St Clair County International Airport)
409 mi
658 km · 355 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading north
See live ROA→PHN fares Phone-only fares on this route — call free
Flight time details
409 miles nonstop takes roughly 1h 21m gate to gate, flying north. 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
- ROA — Roanoke–Blacksburg Regional Airport · Roanoke VA, 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 ROA
- LYH · Lynchburg Regional Preston Glenn Field43 mi away
- LWB · Greenbrier Valley Airport44 mi away
- DAN · Danville Regional Airport63 mi away
- BLF · Mercer County Airport68 mi away
Near PHN
Frequently asked questions
How far is ROA from PHN?
The flight distance from Roanoke VA (ROA) to Port Huron (PHN) is 409 miles (658 km, 355 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROA 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 ROA to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROA–PHN that never appear on search engines, with no booking fees.