$128+ Cheap flights from New Orleans to Ontario (MSY - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from New Orleans to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from New Orleans to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from New Orleans to OntarioExplore the most affordable flight options available from New Orleans to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from New Orleans to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:45 am -
1 stop25h 57m
Wed 11/1811:52 am -
1 stop19h 58m
Deal found 9/16![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:37 am -
1 stop15h 13m
Mon 10/268:00 am -
1 stop11h 22m
Deal found 9/16![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:45 am -
1 stop15h 06m
Sat 11/76:25 am -
1 stop25h 25m
Deal found 9/16![Frontier logo]()
$276
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:37 am -
1 stop15h 13m
Mon 10/268:00 am -
1 stop11h 22m
Deal found 9/16![Frontier logo]()
$278
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:00 pm -
1 stop16h 22m
Thu 10/88:35 pm -
1 stop22h 47m
Deal found 9/14![Frontier logo]()
$285
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:07 pm -
1 stop13h 02m
Fri 10/168:00 am -
1 stop11h 22m
Deal found 9/16![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:00 pm -
1 stop17h 16m
Tue 11/1710:35 am -
2 stops27h 38m
Deal found 9/14![Multiple Airlines logo]()
$306
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:07 pm -
1 stop14h 24m
Mon 10/198:00 am -
1 stop11h 22m
Deal found 9/14![Frontier logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/128:00 pm -
1 stop17h 16m
Wed 11/185:07 pm -
1 stop10h 03m
Deal found 9/14![Multiple Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:20 am -
1 stop5h 20m
Tue 10/205:40 am -
1 stop6h 05m
Deal found 9/15![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:55 pm -
1 stop7h 30m
Sat 10/2411:50 am -
1 stop5h 30m
Deal found 9/13![Southwest logo]()
$312
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:07 pm -
1 stop13h 02m
Mon 10/198:00 am -
1 stop11h 22m
Deal found 9/16![Frontier logo]()
$313
Best flights from New Orleans to OntarioDiscover carefully curated flight deals from New Orleans to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from New Orleans to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:55 pm -
1 stop7h 30m
Sat 10/2411:50 am -
1 stop5h 30m
Deal found 9/13![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:05 am -
2 stops13h 10m
Tue 11/176:00 am -
1 stop8h 08m
Deal found 9/16![United Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:20 am -
1 stop7h 46m
Fri 10/2311:15 pm -
1 stop7h 25m
Deal found 9/16![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:41 pm -
1 stop8h 10m
Tue 11/31:29 pm -
1 stop6h 03m
Deal found 9/16![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:45 pm -
1 stop7h 53m
Tue 12/85:45 am -
1 stop8h 23m
Deal found 9/15![United Airlines logo]()
$433
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:20 am -
1 stop7h 46m
Sun 11/811:15 pm -
1 stop6h 48m
Deal found 9/12![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:30 am -
1 stop7h 38m
Thu 11/2612:18 pm -
1 stop8h 35m
Deal found 9/12![Delta logo]()
$507
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am -
2 stops9h 29m
Wed 11/185:00 am -
2 stops12h 58m
Deal found 9/14![United Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:00 pm -
1 stop9h 51m
Sun 10/115:00 am -
1 stop6h 32m
Deal found 9/15![United Airlines logo]()
$529
Last-minute flights from New Orleans to OntarioDiscover last-minute flight deals from New Orleans to Ontario. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from New Orleans to Ontario. Data last updated September 17, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:00 pm -
1 stop16h 22m
Thu 10/88:35 pm -
1 stop22h 47m
Deal found 9/14![Frontier logo]()
$285
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/910:07 pm -
1 stop13h 02m
Fri 10/168:00 am -
1 stop11h 22m
Deal found 9/16![Frontier logo]()
$290
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:07 pm -
1 stop14h 24m
Mon 10/198:00 am -
1 stop11h 22m
Deal found 9/14![Frontier logo]()
$307
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:07 pm -
1 stop13h 02m
Mon 10/198:00 am -
1 stop11h 22m
Deal found 9/16![Frontier logo]()
$313
This Trip.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:07 pm -
1 stop13h 02m
Fri 10/238:00 am -
1 stop11h 22m
Deal found 9/14![Frontier logo]()
$320
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:20 am -
1 stop5h 20m
Tue 10/205:40 am -
1 stop6h 05m
Deal found 9/15![Southwest logo]()
$311
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:55 pm -
1 stop7h 30m
Sat 10/2411:50 am -
1 stop5h 30m
Deal found 9/13![Southwest logo]()
$312
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:37 am -
1 stop15h 13m
Mon 10/268:00 am -
1 stop11h 22m
Deal found 9/16![Frontier logo]()
$266
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:37 am -
1 stop15h 13m
Sun 10/258:35 pm -
1 stop22h 47m
Deal found 9/16![Frontier logo]()
$322
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:37 am -
1 stop15h 13m
Mon 10/268:00 am -
1 stop11h 22m
Deal found 9/16![Frontier logo]()
$278
One-way flights from New Orleans to OntarioSearch for one-way flight options from New Orleans to Ontario. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from New Orleans to Ontario. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:58 am -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$128
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:07 pm -
1 stop20h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$132
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:07 pm -
1 stop20h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:34 pm -
1 stop23h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$137
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:34 pm -
1 stop23h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$138
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:37 am -
1 stop15h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:58 am -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$140
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:37 am -
1 stop15h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$146
This Trip.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:34 pm -
1 stop23h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Frontier logo]()
$150
Find flight deals from New Orleans to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from New Orleans (MSY) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (CheapOair) |
One-way from | $128 (Frontier) |
Popular in | January |
Cheapest in | March |
Average price | $376 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Orleans to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from New Orleans to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Wed 10/14
2:16 pm-10:51 pm
2 stops10h 35m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$161
Quickest round-trip
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Sat 11/14
5:26 pm-9:40 pm
1 stop6h 14m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$206
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Tue 11/3
3:43 pm-9:40 pm
1 stop7h 57m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$206
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Sat 10/31
7:00 am-12:33 pm
1 stop7h 33m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$206
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Wed 10/28
8:15 am-12:33 pm
1 stop6h 18m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$224
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Mon 10/5
3:44 pm-9:59 pm
1 stop8h 15m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$228
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Sat 10/24
5:20 am-11:06 am
1 stop7h 46m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$244
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Tue 11/10
5:30 am-11:08 am
1 stop7h 38m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$254
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Wed 11/4
2:43 pm-8:15 pm
1 stop7h 32m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$274
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Wed 10/21
3:55 pm-9:25 pm
1 stop7h 30m
Ontario
Sat 10/24
11:50 am-7:20 pm
1 stop5h 30m
$312
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from New Orleans to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from New Orleans to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on New Orleans-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Orleans-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Orleans-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on New Orleans-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New Orleans-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from New Orleans to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from New Orleans with our price prediction graph.
MSY-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from New Orleans to Ontario
Prices
More
What’s the top layover airport for flights from New Orleans to Ontario?
Share of 1-stop round-trip flights from New Orleans to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from New Orleans to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from New Orleans to Ontario?
Average round-trip fare for 1-stop flights from New Orleans to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $200.
What’s the fastest layover option from New Orleans to Ontario?
Shortest average travel time for 1-stop one-way flights from New Orleans to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 10h 19m.
Which airport typically offers the quickest layover for flights from New Orleans to Ontario?
Average layover duration for 1-stop one-way flights from New Orleans to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 5h 44m.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated September 17, 2026.
Read reviews from past customers who have flown Southwest,American Airlines, andFrontier from New Orleans to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from New Orleans to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from New Orleans
Popular flights
Alternative routes for New Orleans to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from New Orleans to Ontario by cabin class
Find flights from New Orleans to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
New Orleans and Ontario flights
Browse other New Orleans and Ontario flight options. Last updated on September 17, 2026.
Other flights from New Orleans
Browse through other flights departing from New Orleans. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from New Orleans to Ontario
Discover the top 3 airlines that operate flights from New Orleans to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$248 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$332 | Average$442 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$476 | FlexibilityNo cancel fee | On-time63% |