Cheap flights from Ontario to New Orleans

One-way fares from $108 · ONT → MSY · prices found by travellers in the last 48 hours

Cheapest fare
$108

Frontier Airlines · Fri, Dec 25

Cheapest month
December

from $108

Direct flights
Yes

Southwest Airlines

Flight time
4h 55m

2,630 km

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Cheapest month to fly from Ontario to New Orleans

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $170
  2. December 2026 Cheapest $108
  3. January 2027 $204

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About flights from Ontario to New Orleans

Ontario (ONT) and New Orleans (MSY) are about 2,630 km apart. Direct flights take around 4h 55m, and recent direct fares were with Southwest Airlines. Over the next few months, one-way fares start from $108, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Ontario to New Orleans?

The cheapest one-way fare we've seen recently is $108 with Frontier Airlines, departing Friday, December 25, 2026. Over the coming months, the lowest fare in each month ranges from $108 to $204.

What is the cheapest month to fly from Ontario to New Orleans?

December 2026 currently has the lowest fares, from $108 one way.

Are there direct flights from Ontario to New Orleans?

Yes. Recent direct fares were with Southwest Airlines.

How long is the flight from Ontario to New Orleans?

A direct flight takes about 4h 55m. Ontario and New Orleans are around 2,630 km apart.

Which airlines fly from Ontario to New Orleans?

Recent fares on this route were with Frontier Airlines and Southwest Airlines.

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