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MSY to ONT: distance & flight time
New Orleans (Louis Armstrong New Orleans International Airport) → Ontario (Ontario International Airport)
1,621 mi
2,609 km · 1,409 nm
3h 39m
estimated nonstop flight time
-2h
time difference · heading west
See live MSY→ONT fares Phone-only fares on this route — call free
Flight time details
1,621 miles nonstop takes roughly 3h 39m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- MSY — Louis Armstrong New Orleans International Airport · New Orleans, 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 MSY
- NEW · Lakefront Airport14 mi away
- NBG · New Orleans NAS JRB/Alvin Callender Field18 mi away
- BTR · Baton Rouge Metropolitan Airport65 mi away
- GPT · Gulfport Biloxi International Airport76 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 MSY from ONT?
The flight distance from New Orleans (MSY) to Ontario (ONT) is 1,621 miles (2,609 km, 1,409 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSY to ONT?
A nonstop flight takes about 3h 39m 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 New Orleans and Ontario?
Ontario is 2 hours behind New Orleans.
What is the cheapest way to fly from MSY to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSY–ONT that never appear on search engines, with no booking fees.