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ONT to RIW: distance & flight time
Ontario (Ontario International Airport) → Riverton WY (Riverton Regional Airport)
793 mi
1,277 km · 690 nm
2h 11m
estimated nonstop flight time
+1h
time difference · heading northeast
See live ONT→RIW fares Phone-only fares on this route — call free
Flight time details
793 miles nonstop takes roughly 2h 11m gate to gate, flying northeast. 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
- ONT — Ontario International Airport · Ontario, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 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 ONT from RIW?
The flight distance from Ontario (ONT) to Riverton WY (RIW) is 793 miles (1,277 km, 690 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to RIW?
A nonstop flight takes about 2h 11m 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 Ontario and Riverton WY?
Riverton WY is 1 hour ahead of Ontario.
What is the cheapest way to fly from ONT to RIW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–RIW that never appear on search engines, with no booking fees.