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TWF to ONT: distance & flight time
Twin Falls (Joslin Field Magic Valley Regional Airport) → Ontario (Ontario International Airport)
606 mi
975 km · 527 nm
1h 47m
estimated nonstop flight time
-1h
time difference · heading south
See live TWF→ONT fares Phone-only fares on this route — call free
Flight time details
606 miles nonstop takes roughly 1h 47m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- TWF — Joslin Field Magic Valley Regional Airport · Twin Falls, United States
- ONT — Ontario International Airport · Ontario, 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 TWF
- BYI · Burley Municipal Airport37 mi away
- SUN · Friedman Memorial Airport71 mi away
- MUO · Mountain Home Air Force Base80 mi away
- PIH · Pocatello Regional Airport101 mi away
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
Frequently asked questions
How far is TWF from ONT?
The flight distance from Twin Falls (TWF) to Ontario (ONT) is 606 miles (975 km, 527 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TWF to ONT?
A nonstop flight takes about 1h 47m 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 Twin Falls and Ontario?
Ontario is 1 hour behind Twin Falls.
What is the cheapest way to fly from TWF to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TWF–ONT that never appear on search engines, with no booking fees.