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RKS to PHN: distance & flight time
Rock Springs (Southwest Wyoming Regional Airport) → Port Huron (St Clair County International Airport)
1,355 mi
2,180 km · 1,177 nm
3h 25m
estimated nonstop flight time
+2h
time difference · heading east
See live RKS→PHN fares Phone-only fares on this route — call free
Flight time details
1,355 miles nonstop takes roughly 3h 25m 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
- RKS — Southwest Wyoming Regional Airport · Rock Springs, 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 RKS
- FBR · Fort Bridger Airport71 mi away
- VEL · Vernal Regional Airport83 mi away
- LND · Hunt Field86 mi away
- BPI · Miley Memorial Field87 mi away
Near PHN
Frequently asked questions
How far is RKS from PHN?
The flight distance from Rock Springs (RKS) to Port Huron (PHN) is 1,355 miles (2,180 km, 1,177 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKS to PHN?
A nonstop flight takes about 3h 25m 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 Rock Springs and Port Huron?
Port Huron is 2 hours ahead of Rock Springs.
What is the cheapest way to fly from RKS to PHN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKS–PHN that never appear on search engines, with no booking fees.