$128+ Cheap flights from Louisiana to Ontario (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
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Find cheap flights from Louisiana 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
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Cheapest flights from Louisiana to OntarioExplore the most affordable flight options available from Louisiana 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 Louisiana 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 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.
Mon 10/1910:08 pm -
1 stop14h 23m
Mon 10/268:00 am -
1 stop10h 24m
Deal found 9/14![Multiple Airlines logo]()
$265
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 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.
Fri 10/239:55 pm -
1 stop20h 35m
Mon 10/268:00 am -
1 stop10h 24m
Deal found 9/14![Multiple Airlines logo]()
$310
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
Best flights from Louisiana to OntarioDiscover carefully curated flight deals from Louisiana 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 Louisiana 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 American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:29 pm -
1 stop7h 14m
Thu 10/222:22 pm -
1 stop6h 47m
Deal found 9/16![American Airlines logo]()
$359
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.
Tue 10/207:05 am -
2 stops10h 17m
Sat 10/248:03 am -
2 stops11h 31m
Deal found 9/14![United Airlines logo]()
$369
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:03 am -
1 stop7h 02m
Sun 10/410:00 pm -
1 stop9h 39m
Deal found 9/13![Delta logo]()
$437
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:05 pm -
2 stops12h 46m
Tue 10/206:00 am -
1 stop7h 32m
Deal found 9/12![United Airlines logo]()
$384
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.
Wed 10/712:05 pm -
2 stops12h 46m
Wed 10/286:00 am -
1 stop7h 38m
Deal found 9/16![United Airlines logo]()
$384
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 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:05 pm -
1 stop7h 54m
Sun 10/116:00 am -
1 stop7h 30m
Deal found 9/12![United Airlines logo]()
$393
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:27 pm -
1 stop5h 44m
Mon 10/1211:59 pm -
1 stop8h 06m
Deal found 9/12![American Airlines logo]()
$478
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 9/12. 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 9/16. 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 10/179:25 am -
2 stops10h 21m
Thu 10/225:00 am -
2 stops10h 09m
Deal found 9/16![United Airlines logo]()
$425
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 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.
Sat 11/148:42 am -
1 stop5h 51m
Tue 11/176:00 am -
1 stop7h 28m
Deal found 9/14![United Airlines logo]()
$449
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.
Sat 11/144:03 pm -
1 stop7h 37m
Wed 11/186:00 am -
1 stop7h 28m
Deal found 9/14![United Airlines logo]()
$449
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.
Tue 9/295:20 am -
2 stops12h 02m
Sat 10/36:00 am -
1 stop5h 20m
Deal found 9/14![United Airlines logo]()
$454
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.
Sun 12/64:00 pm -
1 stop7h 59m
Wed 12/165:45 am -
1 stop7h 35m
Deal found 9/15![United Airlines logo]()
$473
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:13 pm -
1 stop7h 27m
Tue 11/176:00 am -
1 stop5h 26m
Deal found 9/12![United Airlines logo]()
$479
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.
Sat 11/144:09 pm -
1 stop7h 31m
Tue 11/176:00 am -
1 stop5h 26m
Deal found 9/15![United Airlines logo]()
$479
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.
Sat 11/144:06 pm -
1 stop7h 34m
Tue 11/175:00 am -
2 stops13h 07m
Deal found 9/15![United Airlines logo]()
$479
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.
Sat 10/175:15 am -
2 stops9h 31m
Sat 10/246:00 am -
1 stop7h 29m
Deal found 9/15![United Airlines logo]()
$483
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 10/15:50 pm -
1 stop6h 09m
Mon 10/55:00 am -
1 stop7h 58m
Deal found 9/14![United Airlines logo]()
$484
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 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:09 pm -
1 stop7h 31m
Sun 11/86:00 am -
1 stop7h 28m
Deal found 9/12![United Airlines logo]()
$514
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 10/152:10 pm -
2 stops10h 41m
Sun 10/256:00 am -
1 stop5h 26m
Deal found 9/15![United Airlines logo]()
$514
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.
Fri 10/164:07 pm -
1 stop7h 52m
Mon 10/196:32 pm -
2 stops12h 11m
Deal found 9/14![United Airlines logo]()
$519
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 Louisiana to OntarioDiscover last-minute flight deals from Louisiana to Ontario. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Louisiana 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 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.
Mon 10/1910:08 pm -
1 stop14h 23m
Mon 10/268:00 am -
1 stop10h 24m
Deal found 9/14![Multiple Airlines logo]()
$265
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
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.
Fri 10/239:55 pm -
1 stop20h 35m
Mon 10/268:00 am -
1 stop10h 24m
Deal found 9/14![Multiple Airlines logo]()
$310
One-way flights from Louisiana to OntarioSearch for one-way flight options from Louisiana to Ontario. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Louisiana 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
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:55 pm -
1 stop13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$218
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:25 pm -
1 stop8h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$228
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:38 pm -
1 stop10h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$250
Find flight deals from Louisiana to Ontario
Keep the following information in mind while searching for Louisiana to Ontario flight deals. Data was 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 | October |
Average price | $344 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisiana 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 Louisiana 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
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
ShreveportOntario
SHV Shreveport - ONT Ontario
SHVONT
Shreveport
Fri 10/30
9:55 pm-9:05 am
1 stop13h 10m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$218
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
Showing 1-10 of 56 resultsSorted by cheapest first
Best time to book a flight from Louisiana to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Louisiana with our price prediction graph.
MSY-ONT
SHV-ONT
BTR-ONT
LFT-ONT
AEX-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 Louisiana to Ontario
USLA-ONT
MSY-ONT
SHV-ONT
BTR-ONT
LFT-ONT
What is the cheapest month to book a flight from Louisiana to Ontario?
Currently, March is the cheapest month in which you can book a flight from Louisiana to Ontario (average of $330). Flying from Louisiana to Ontario in October is currently the most expensive (average of $634). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Louisiana 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
Popular flights
Top destinations
Alternative routes for Louisiana 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 Louisiana to Ontario by cabin class
Find flights from Louisiana 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.
Louisiana and Ontario flights
Browse other Louisiana and Ontario flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Louisiana to Ontario flights
Consider these flights traveling from Louisiana to Ontario.
Top 3 airlines flying from Louisiana to Ontario
Discover the top 3 airlines that operate flights from Louisiana 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$261 | Average$474 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$476 | FlexibilityNo cancel fee | On-time63% |