$81+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Nov 29 — Dec 61
Round-trip
1 adult, Economy
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Find cheap flights from Louisiana to Ontario with Cheapflights
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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 October 30, 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 October 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:18 pm -
1 stop12h 02m
Wed 12/1611:30 am -
1 stop27h 35m
Deal found 10/27![Frontier logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:18 pm -
1 stop22h 27m
Wed 12/1611:30 am -
1 stop27h 35m
Deal found 10/27![Frontier logo]()
$169
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Thu 12/32:17 pm -
1 stop12h 00m
Wed 12/92:53 pm -
2 stops17h 40m
Deal found 10/27![Frontier logo]()
$172
This Trip.com deal was found by Cheapflights users on 10/25. 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 11/168:47 pm -
1 stop21h 34m
Sun 11/222:01 pm -
1 stop27h 15m
Deal found 10/25![Multiple Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/124:08 pm -
1 stop7h 51m
Tue 12/151:40 pm -
1 stop5h 41m
Deal found 10/29![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/45:30 am -
1 stop6h 12m
Sun 12/62:22 pm -
1 stop6h 31m
Deal found 10/26![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 10/26. 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 12/43:59 pm -
1 stop7h 56m
Sun 12/65:04 pm -
2 stops14h 32m
Deal found 10/26![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/245:00 am -
2 stops9h 29m
Tue 12/16:00 am -
2 stops11h 42m
Deal found 10/28![United Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/116:00 am -
1 stop5h 40m
Sun 11/1511:59 pm -
1 stop7h 28m
Deal found 10/27![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/1411:10 am -
2 stops13h 06m
Wed 11/1812:18 pm -
1 stop8h 01m
Deal found 10/30![Delta logo]()
$434
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 11/245:30 am -
1 stop6h 17m
Tue 12/12:09 pm -
1 stop6h 47m
Deal found 10/28![American Airlines logo]()
$447
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/246:00 am -
1 stop7h 59m
Fri 1/17:00 am -
1 stop8h 04m
Deal found 10/29![American Airlines logo]()
$448
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 October 30, 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 October 30, 2026.
This Mytrip deal was found by Cheapflights users on 10/25. 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.
Thu 12/311:19 am -
2 stops14h 58m
Mon 12/78:44 am -
1 stop10h 09m
Deal found 10/25![Frontier logo]()
$272
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 12/33:39 pm -
1 stop8h 16m
Wed 12/96:00 am -
1 stop5h 57m
Deal found 10/28![Delta logo]()
$327
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/124:08 pm -
1 stop7h 51m
Tue 12/151:40 pm -
1 stop5h 41m
Deal found 10/29![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/30. 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 12/56:05 pm -
1 stop6h 53m
Sat 12/121:02 pm -
1 stop7h 47m
Deal found 10/30![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 12/125:20 am -
1 stop7h 47m
Tue 12/227:06 am -
1 stop8h 57m
Deal found 10/28![Delta logo]()
$358
This CheapOair deal was found by Cheapflights users on 10/25. 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.
Wed 12/237:06 pm -
1 stop28h 29m
Sun 12/276:30 am -
1 stop8h 35m
Deal found 10/25![Frontier logo]()
$388
This Delta deal was found by Cheapflights users on 10/27. 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 12/1110:59 am -
1 stop9h 39m
Fri 12/1812:20 pm -
1 stop8h 05m
Deal found 10/27![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/253:43 pm -
1 stop7h 57m
Sat 12/121:40 pm -
1 stop5h 42m
Deal found 10/29![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 10/26. 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 12/43:59 pm -
1 stop7h 56m
Sun 12/65:04 pm -
2 stops14h 32m
Deal found 10/26![Delta logo]()
$384
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/107:00 am -
2 stops10h 33m
Sat 11/146:00 am -
1 stop5h 17m
Deal found 10/26![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/55:20 pm -
1 stop6h 39m
Sat 12/121:40 pm -
1 stop5h 42m
Deal found 10/27![United Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/1411:10 am -
2 stops13h 06m
Wed 11/1812:18 pm -
1 stop8h 01m
Deal found 10/30![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/27. 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 3/36:01 pm -
1 stop5h 58m
Wed 3/106:00 am -
1 stop7h 22m
Deal found 10/27![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 10/26. 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 11/103:59 pm -
2 stops9h 50m
Sat 11/145:04 pm -
2 stops14h 35m
Deal found 10/26![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/52:20 pm -
2 stops8h 51m
Sat 12/125:45 am -
1 stop5h 54m
Deal found 10/30![United Airlines logo]()
$476
This Delta deal was found by Cheapflights users on 10/28. 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 11/1312:41 pm -
1 stop7h 53m
Sat 11/147:05 am -
1 stop8h 39m
Deal found 10/28![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/123:46 pm -
1 stop8h 13m
Tue 12/2211:52 pm -
1 stop7h 52m
Deal found 10/27![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/54:00 pm -
1 stop7h 59m
Tue 12/85:00 am -
2 stops13h 07m
Deal found 10/25![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 10/29. 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.
Sat 12/194:58 pm -
1 stop8h 42m
Fri 1/17:06 am -
1 stop7h 07m
Deal found 10/29![Delta logo]()
$517
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/313:45 pm -
1 stop8h 26m
Sat 1/91:42 pm -
1 stop5h 54m
Deal found 10/29![United Airlines logo]()
$497
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/313:59 pm -
1 stop8h 12m
Sat 1/166:00 am -
1 stop5h 34m
Deal found 10/29![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/262:01 pm -
1 stop7h 41m
Sun 12/65:45 am -
1 stop7h 30m
Deal found 10/26![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/26. 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 11/101:06 pm -
1 stop9h 48m
Sat 11/147:05 am -
1 stop8h 05m
Deal found 10/26![Delta logo]()
$604
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/168:00 am -
1 stop6h 34m
Sun 12/201:38 pm -
1 stop6h 12m
Deal found 10/29![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/246:00 pm -
1 stop5h 40m
Tue 12/15:00 am -
2 stops10h 24m
Deal found 10/26![United Airlines logo]()
$510
This United Airlines deal was found by Cheapflights users on 10/27. 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 10/27![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/105:54 pm -
1 stop5h 46m
Sat 11/141:29 pm -
1 stop5h 32m
Deal found 10/26![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/28. 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 12/35:54 pm -
1 stop6h 05m
Fri 12/115:45 am -
1 stop7h 42m
Deal found 10/28![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/1412:00 pm -
2 stops10h 51m
Wed 11/186:00 am -
1 stop7h 28m
Deal found 10/25![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 10/27. 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 1/62:54 pm -
1 stop7h 07m
Wed 7/76:00 am -
1 stop5h 15m
Deal found 10/27![United Airlines logo]()
$568
Last-minute flights from Louisiana to OntarioDiscover last-minute flight deals from Louisiana to Ontario. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Louisiana to Ontario. Data last updated October 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/116:00 am -
1 stop5h 40m
Sun 11/1511:59 pm -
1 stop7h 28m
Deal found 10/27![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/1411:10 am -
2 stops13h 06m
Wed 11/1812:18 pm -
1 stop8h 01m
Deal found 10/30![Delta logo]()
$434
This Trip.com deal was found by Cheapflights users on 10/25. 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 11/168:47 pm -
1 stop21h 34m
Sun 11/222:01 pm -
1 stop27h 15m
Deal found 10/25![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/1910:45 am -
1 stop15h 06m
Mon 11/236:08 pm -
1 stop22h 12m
Deal found 10/27![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/1910:45 am -
1 stop15h 06m
Tue 11/2410:40 pm -
1 stop16h 44m
Deal found 10/27![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/1910:45 am -
1 stop15h 06m
Sun 11/2210:40 pm -
1 stop15h 48m
Deal found 10/27![Frontier logo]()
$215
This Trip.com deal was found by Cheapflights users on 10/26. 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 11/208:00 pm -
1 stop18h 42m
Tue 11/244:13 pm -
1 stop23h 11m
Deal found 10/26![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/235:13 pm -
1 stop17h 17m
Tue 12/12:00 pm -
2 stops42h 34m
Deal found 10/30![Frontier logo]()
$192
This Mytrip deal was found by Cheapflights users on 10/29. 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 11/235:13 pm -
1 stop17h 17m
Tue 11/244:13 pm -
2 stops15h 57m
Deal found 10/29![Frontier logo]()
$220
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Tue 11/247:15 pm -
2 stops14h 05m
Tue 12/12:00 pm -
2 stops16h 38m
Deal found 10/27![Frontier logo]()
$213
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/245:00 am -
2 stops9h 29m
Tue 12/16:00 am -
2 stops11h 42m
Deal found 10/28![United Airlines logo]()
$413
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Thu 11/2611:05 am -
1 stop15h 09m
Thu 12/311:30 am -
2 stops19h 21m
Deal found 10/27![Frontier logo]()
$208
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 October 30, 2026.
Search for one-way flight options from Louisiana to Ontario. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Super.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/235:13 pm -
1 stop17h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 10/28. 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.
Mon 12/149:38 pm -
1 stop16h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 10/27. 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.
Thu 11/2611:05 am -
1 stop15h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$84
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:09 pm -
1 stop20h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$87
This Mytrip deal was found by Cheapflights users on 10/26. 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.
Tue 11/247:15 pm -
2 stops14h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$90
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:18 pm -
1 stop22h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 10/26. 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.
Mon 12/79:38 pm -
1 stop22h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$106
This Delta deal was found by Cheapflights users on 10/26. 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.
Thu 11/266:00 am -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$214
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/1912:05 pm -
2 stops10h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/94:00 pm -
2 stops30h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![United Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 10/26. 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 stop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 10/30. 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.
Sun 2/216:00 am -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Delta logo]()
$344
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Cheapflightsfares) |
One-way from | $81 (Super.com) |
Popular in | January |
Cheapest in | July |
Average price | $338 |
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 October 30, 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
Mon 11/23
5:13 pm-8:30 am
1 stop17h 17m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$81
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Thu 12/17
10:28 am-7:07 am
2 stops22h 39m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$160
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Tue 12/8
5:20 am-11:07 am
1 stop7h 47m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$164
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Sun 12/6
11:18 am-12:20 am
2 stops15h 02m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$186
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Sun 2/21
10:48 am-6:15 pm
1 stop9h 27m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$206
Baton RougeOntario
BTR Baton Rouge Ryan - ONT Ontario
BTRONT
Baton Rouge Ryan
Thu 11/26
6:00 am-6:30 pm
2 stops14h 30m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$219
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Wed 11/25
5:26 pm-9:40 pm
1 stop6h 14m
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 11/16
5:08 pm-9:40 am
2 stops18h 32m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$240
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Tue 12/29
6:05 pm-7:07 am
2 stops15h 02m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$250
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Fri 1/1
5:40 am-9:44 am
1 stop6h 04m
Ontario
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$259
Showing 1-10 of 51 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
AEX-ONT
LCH-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
AEX-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 January is currently the most expensive (average of $548). 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.
How much does it cost to fly round-trip from Louisiana to Ontario?
Airfare is below average for this route at the moment.
Louisiana to Ontario flights typically cost between $391 and $529 in December.The cheapest round-trip price found within the last 5 days was $153 on Frontier (Dec 10-Dec 16).
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 October 30, 2026.
Louisiana and Ontario flights
Browse other Louisiana and Ontario flight options. Last updated on October 30, 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 4 airlines flying from Louisiana to Ontario
Discover the top 4 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 October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$180 | Average$268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$261 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$458 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$312 | Average$494 | FlexibilityNo cancel fee | On-time63% |