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ONT to MSY: distance & flight time
Ontario (Ontario International Airport) → New Orleans (Louis Armstrong New Orleans International Airport)
1,621 mi
2,609 km · 1,409 nm
3h 39m
estimated nonstop flight time
+2h
time difference · heading east
See live ONT→MSY fares Phone-only fares on this route — call free
Flight time details
1,621 miles nonstop takes roughly 3h 39m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- ONT — Ontario International Airport · Ontario, United States
- MSY — Louis Armstrong New Orleans International Airport · New Orleans, 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 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
Frequently asked questions
How far is ONT from MSY?
The flight distance from Ontario (ONT) to New Orleans (MSY) 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 ONT to MSY?
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 Ontario and New Orleans?
New Orleans is 2 hours ahead of Ontario.
What is the cheapest way to fly from ONT to MSY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–MSY that never appear on search engines, with no booking fees.