$72+ Cheap flights from Ontario (ONT) to Louisiana
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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Nov 30 — Dec 71
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Louisiana 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 Ontario to LouisianaExplore the most affordable flight options available from Ontario to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2026.
Explore the most affordable flight options available from Ontario to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 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.
Wed 11/186:30 am -
1 stop25h 20m
Tue 11/2411:05 am -
1 stop15h 09m
Deal found 10/27![Frontier logo]()
$159
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.
Wed 12/22:00 pm -
2 stops18h 34m
Thu 12/32:17 pm -
1 stop12h 00m
Deal found 10/29![Frontier logo]()
$184
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:52 am -
1 stop19h 58m
Wed 11/256:09 pm -
1 stop15h 11m
Deal found 10/27![Frontier logo]()
$187
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:30 am -
1 stop23h 53m
Mon 12/149:38 pm -
1 stop22h 53m
Deal found 10/30![Frontier logo]()
$189
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/222:01 pm -
1 stop24h 27m
Thu 11/2611:05 am -
1 stop25h 40m
Deal found 10/26![Frontier logo]()
$191
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.
Sat 12/52:53 pm -
2 stops17h 40m
Mon 12/1411:18 am -
2 stops15h 02m
Deal found 10/27![Frontier logo]()
$194
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:00 pm -
1 stop26h 58m
Mon 12/79:38 pm -
1 stop16h 13m
Deal found 10/28![Frontier logo]()
$196
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:00 pm -
1 stop26h 58m
Thu 12/102:18 pm -
1 stop12h 02m
Deal found 10/27![Frontier logo]()
$200
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.
Sat 12/1211:30 am -
2 stops19h 05m
Tue 12/228:13 pm -
2 stops12h 54m
Deal found 10/27![Frontier logo]()
$201
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.
Tue 11/2411:59 pm -
1 stop7h 29m
Tue 12/16:43 pm -
1 stop7h 16m
Deal found 10/30![American Airlines logo]()
$359
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.
Thu 12/35:45 am -
1 stop5h 37m
Mon 12/74:07 pm -
1 stop7h 52m
Deal found 10/30![United Airlines logo]()
$379
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.
Wed 12/2310:35 pm -
1 stop9h 21m
Wed 1/66:02 am -
1 stop7h 53m
Deal found 10/27![Delta logo]()
$379
Best flights from Ontario to LouisianaDiscover carefully curated flight deals from Ontario to Louisiana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2026.
Discover carefully curated flight deals from Ontario to Louisiana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 31, 2026.
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.
Wed 12/911:00 am -
2 stops21h 33m
Thu 12/176:05 pm -
1 stop8h 08m
Deal found 10/30![Frontier logo]()
$217
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.
Sat 1/92:23 pm -
1 stop6h 33m
Sat 1/162:06 pm -
1 stop6h 45m
Deal found 10/29![American Airlines logo]()
$379
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 1/96:00 am -
1 stop7h 28m
Sat 1/1612:05 pm -
2 stops10h 55m
Deal found 10/29![United Airlines logo]()
$384
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.
Thu 12/247:06 am -
1 stop9h 22m
Wed 1/65:25 am -
1 stop8h 30m
Deal found 10/27![Delta logo]()
$397
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:00 am -
1 stop8h 58m
Sun 12/66:05 pm -
2 stops19h 46m
Deal found 10/30![Frontier logo]()
$323
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.
Thu 12/35:00 am -
2 stops10h 43m
Mon 12/74:07 pm -
1 stop7h 52m
Deal found 10/30![United Airlines logo]()
$394
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.
Thu 12/1011:08 pm -
1 stop9h 09m
Sun 12/1310:59 am -
1 stop9h 39m
Deal found 10/30![Delta logo]()
$434
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.
Sun 11/156:00 am -
1 stop5h 26m
Sun 11/225:15 am -
2 stops9h 14m
Deal found 10/29![United Airlines logo]()
$419
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.
Sun 11/2212:18 pm -
1 stop9h 41m
Thu 11/265:30 am -
1 stop7h 33m
Deal found 10/27![Delta logo]()
$463
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 11/256:00 am -
1 stop8h 08m
Wed 12/24:00 pm -
1 stop7h 11m
Deal found 10/27![United Airlines logo]()
$447
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 11/105:00 am -
2 stops10h 43m
Sat 11/147:00 am -
2 stops10h 33m
Deal found 10/26![United Airlines logo]()
$459
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 12/296:00 am -
1 stop5h 46m
Mon 1/46:30 am -
1 stop7h 25m
Deal found 10/26![Delta logo]()
$538
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.
Sat 1/306:00 am -
1 stop7h 28m
Wed 2/34:05 pm -
1 stop8h 10m
Deal found 10/28![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.
Thu 2/117:00 am -
1 stop7h 37m
Thu 2/186:02 am -
1 stop7h 25m
Deal found 10/26![Delta logo]()
$558
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.
Wed 12/21:40 pm -
1 stop5h 41m
Sat 12/58:45 am -
1 stop5h 49m
Deal found 10/30![United Airlines logo]()
$469
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.
Fri 11/131:23 pm -
2 stops7h 13m
Tue 11/1710:08 am -
2 stops10h 02m
Deal found 10/29![American Airlines logo]()
$768
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 1/306:00 am -
1 stop7h 25m
Wed 2/34:00 pm -
1 stop8h 15m
Deal found 10/25![United Airlines logo]()
$478
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.
Fri 11/1312:18 pm -
1 stop8h 40m
Tue 11/171:06 pm -
1 stop9h 48m
Deal found 10/29![Delta logo]()
$604
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 12/175:55 am -
1 stop7h 30m
Sun 12/204:00 pm -
1 stop8h 11m
Deal found 10/28![United Airlines logo]()
$478
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.
Tue 12/227:06 am -
1 stop9h 07m
Mon 1/43:14 pm -
1 stop8h 30m
Deal found 10/28![Delta logo]()
$629
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 2/26:00 am -
1 stop7h 28m
Sat 2/64:09 pm -
1 stop8h 06m
Deal found 10/28![United Airlines logo]()
$499
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 2/26:00 am -
1 stop5h 34m
Sat 2/64:01 pm -
1 stop8h 14m
Deal found 10/28![United Airlines logo]()
$499
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.
Thu 1/141:42 pm -
1 stop5h 27m
Tue 1/194:05 pm -
1 stop8h 10m
Deal found 10/27![United Airlines logo]()
$504
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.
Mon 1/186:00 am -
1 stop5h 14m
Thu 1/214:05 pm -
1 stop6h 55m
Deal found 10/26![United Airlines logo]()
$517
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 11/216:00 am -
1 stop7h 38m
Thu 11/262:01 pm -
1 stop7h 41m
Deal found 10/27![United Airlines logo]()
$523
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.
Wed 12/95:00 am -
2 stops10h 38m
Sun 12/133:56 pm -
1 stop8h 03m
Deal found 10/26![United Airlines logo]()
$528
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.
Fri 1/151:42 pm -
1 stop5h 54m
Sun 1/175:23 pm -
1 stop6h 52m
Deal found 10/30![United Airlines logo]()
$532
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 11/116:00 am -
1 stop5h 55m
Sun 11/156:00 pm -
1 stop5h 41m
Deal found 10/27![United Airlines logo]()
$539
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 11/146:00 am -
1 stop5h 55m
Wed 11/186:00 pm -
1 stop5h 40m
Deal found 10/30![United Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 10/31. 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 3/121:33 pm -
1 stop7h 09m
Fri 3/195:25 pm -
1 stop6h 14m
Deal found 10/31![United Airlines logo]()
$543
Last-minute flights from Ontario to LouisianaDiscover last-minute flight deals from Ontario to Louisiana. Data last updated October 31, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Louisiana. Data last updated October 31, 2026 and is based on user searches.
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 11/1412:18 pm -
1 stop8h 24m
Wed 11/253:37 pm -
1 stop7h 17m
Deal found 10/29![Delta logo]()
$414
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 11/145:00 am -
2 stops12h 33m
Sun 11/224:09 pm -
1 stop7h 32m
Deal found 10/29![United Airlines logo]()
$419
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.
Wed 11/186:30 am -
1 stop25h 20m
Tue 11/2411:05 am -
1 stop15h 09m
Deal found 10/27![Frontier logo]()
$159
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:52 am -
1 stop19h 58m
Wed 11/256:09 pm -
1 stop15h 11m
Deal found 10/27![Frontier logo]()
$187
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
1 stop25h 20m
Wed 12/29:26 am -
2 stops26h 02m
Deal found 10/29![Frontier logo]()
$218
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:52 am -
1 stop19h 58m
Sat 11/217:15 pm -
1 stop13h 05m
Deal found 10/28![Frontier logo]()
$220
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.
Wed 11/182:22 pm -
1 stop6h 28m
Sat 12/126:44 pm -
1 stop6h 14m
Deal found 10/30![American Airlines logo]()
$394
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.
Wed 11/1812:18 pm -
1 stop8h 01m
Sat 12/126:11 am -
2 stops12h 17m
Deal found 10/30![Delta logo]()
$399
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:15 am -
1 stop9h 00m
Mon 11/235:13 pm -
1 stop17h 17m
Deal found 10/30![Frontier logo]()
$209
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/222:01 pm -
1 stop24h 27m
Thu 11/2611:05 am -
1 stop25h 40m
Deal found 10/26![Frontier logo]()
$191
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.
Tue 11/2411:59 pm -
1 stop7h 29m
Tue 12/16:43 pm -
1 stop7h 16m
Deal found 10/30![American Airlines logo]()
$359
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.
Mon 11/3011:59 pm -
1 stop8h 06m
Thu 12/107:57 pm -
1 stop5h 51m
Deal found 10/29![American Airlines logo]()
$389
One-way flights from Ontario to LouisianaSearch for one-way flight options from Ontario to Louisiana. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
Search for one-way flight options from Ontario to Louisiana. Find affordable one-way fares based on user searches. Data last updated October 31, 2026.
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1611:30 am -
2 stops20h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$72
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:30 am -
2 stops44h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$73
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:45 am -
1 stop25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$81
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/78:44 am -
1 stop10h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$87
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 am -
1 stop25h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$90
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:30 am -
1 stop8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$92
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:00 pm -
2 stops18h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$93
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.
Tue 11/242:01 pm -
1 stop25h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$100
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:45 am -
1 stop25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$102
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 11/266:00 am -
1 stop6h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![American Airlines logo]()
$190
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 11/256:00 am -
1 stop7h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$214
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.
Thu 11/266:00 am -
2 stops10h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Delta logo]()
$219
Find flight deals from Ontario to Louisiana
Keep the following information in mind while searching for Ontario to Louisiana flight deals. Data was last updated October 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Cheapflightsfares) |
One-way from | $72 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $419 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Louisiana 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 31, 2026.
Use the filters below to find and compare flights from Ontario to Louisiana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBaton Rouge
ONT Ontario - BTR Baton Rouge Ryan
ONTBTR
Ontario
Sat 11/21
2:09 pm-11:59 pm
1 stop7h 50m
Baton Rouge Ryan
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$190
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Thu 12/24
7:06 am-6:28 pm
1 stop9h 22m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$199
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Thu 11/19
11:52 am-10:10 am
1 stop20h 18m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$204
OntarioBaton Rouge
ONT Ontario - BTR Baton Rouge Ryan
ONTBTR
Ontario
Wed 11/25
6:00 am-3:38 pm
1 stop7h 38m
Baton Rouge Ryan
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$214
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Wed 12/9
11:00 am-10:33 am
2 stops21h 33m
New Orleans Louis Armstrong
Thu 12/17
6:05 pm-12:13 am
1 stop8h 08m
$217
OntarioBaton Rouge
ONT Ontario - BTR Baton Rouge Ryan
ONTBTR
Ontario
Thu 11/26
6:00 am-6:53 pm
2 stops10h 53m
Baton Rouge Ryan
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$219
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Sat 12/19
11:52 pm-9:40 am
1 stop7h 48m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$249
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Wed 1/27
5:00 am-5:38 pm
2 stops10h 38m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$260
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Mon 11/9
8:03 pm-4:13 pm
2 stops18h 10m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$267
OntarioBaton Rouge
ONT Ontario - BTR Baton Rouge Ryan
ONTBTR
Ontario
Sat 11/21
6:00 am-1:17 pm
1 stop5h 17m
Baton Rouge Ryan
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$274
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Louisiana
Have a flexible travel schedule? Discover the best time to fly to Louisiana from Ontario with our price prediction graph.
ONT-MSY
ONT-LFT
ONT-SHV
ONT-MLU
ONT-AEX
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 Ontario to Louisiana
ONT-USLA
ONT-MSY
ONT-LFT
ONT-SHV
ONT-MLU
What is the cheapest month to book a flight from Ontario to Louisiana?
Currently, January is the cheapest month in which you can book a flight from Ontario to Louisiana (average of $419). Flying from Ontario to Louisiana in March is currently the most expensive (average of $560). 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 Ontario to Louisiana?
Airfare is below average for this route at the moment.
Ontario to Louisiana flights typically cost between $393 and $562 in November.The cheapest round-trip price found within the last 5 days was $159 on Frontier (Nov 18-Nov 24).
How far ahead should I book a flight from Ontario to Louisiana?
The best time to book flights from Ontario to Louisiana is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Louisiana
Get insights into the airlines that provide service to Louisiana. 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 Louisiana. Reviews last updated October 31, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Louisiana have to say. 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.
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.4
Food
7.0
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Louisiana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Louisiana
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Louisiana by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Louisiana by cabin class
Find flights from Ontario to Louisiana, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Louisiana flights
Browse other Ontario and Louisiana flight options. Last updated on October 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Louisiana flights
Consider these flights traveling from Ontario to Louisiana.
Top 5 airlines flying from Ontario to Louisiana
Discover the top 5 airlines that operate flights from Ontario to Louisiana. 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 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$320 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$277 | Average$481 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$279 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$308 | Average$512 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$348 | Average$476 | FlexibilityNo cancel fee | On-time63% |