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GNT to ONT: distance & flight time
Grants (Grants-Milan Municipal Airport) → Ontario (Ontario International Airport)
557 mi
896 km · 484 nm
1h 41m
estimated nonstop flight time
-1h
time difference · heading west
See live GNT→ONT fares Phone-only fares on this route — call free
Flight time details
557 miles nonstop takes roughly 1h 41m gate to gate, flying west. 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
- GNT — Grants-Milan Municipal Airport · Grants, 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 GNT
- GUP · Gallup Municipal Airport55 mi away
- ABQ · Albuquerque International Sunport74 mi away
- LAM · Los Alamos Airport104 mi away
- SAF · Santa Fe Municipal Airport107 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 GNT from ONT?
The flight distance from Grants (GNT) to Ontario (ONT) is 557 miles (896 km, 484 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNT to ONT?
A nonstop flight takes about 1h 41m 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 Grants and Ontario?
Ontario is 1 hour behind Grants.
What is the cheapest way to fly from GNT to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNT–ONT that never appear on search engines, with no booking fees.