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LWS to RIW: distance & flight time
Lewiston (Lewiston Nez Perce County Airport) → Riverton WY (Riverton Regional Airport)
478 mi
769 km · 415 nm
1h 30m
estimated nonstop flight time
+1h
time difference · heading southeast
See live LWS→RIW fares Phone-only fares on this route — call free
Flight time details
478 miles nonstop takes roughly 1h 30m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- LWS — Lewiston Nez Perce County Airport · Lewiston, United States
- RIW — Riverton Regional Airport · Riverton WY, 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 LWS
- PUW · Pullman Moscow Regional Airport26 mi away
- ALW · Walla Walla Regional Airport64 mi away
- GEG · Spokane International Airport89 mi away
- LGD · La Grande/Union County Airport89 mi away
Near RIW
- LND · Hunt Field22 mi away
- WRL · Worland Municipal Airport67 mi away
- PWY · Ralph Wenz Field71 mi away
- BPI · Miley Memorial Field90 mi away
Frequently asked questions
How far is LWS from RIW?
The flight distance from Lewiston (LWS) to Riverton WY (RIW) is 478 miles (769 km, 415 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LWS to RIW?
A nonstop flight takes about 1h 30m 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 Lewiston and Riverton WY?
Riverton WY is 1 hour ahead of Lewiston.
What is the cheapest way to fly from LWS to RIW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LWS–RIW that never appear on search engines, with no booking fees.