$141+ Cheap flights from Louisiana to Ontario (ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — ONT
Sep 30 — Oct 71
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 August 31, 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 August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/1710:48 am -
1 stop14h 59m
Tue 9/2911:45 am -
2 stops26h 37m
Deal found 8/27![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 8/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:00 pm -
1 stop21h 34m
Mon 9/288:00 am -
1 stop10h 04m
Deal found 8/31![Frontier logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Tue 9/295:17 pm -
2 stops32h 30m
Thu 10/12:30 pm -
1 stop12h 30m
Deal found 8/27![Multiple Airlines logo]()
$305
This Expedia deal was found by Cheapflights users on 8/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:00 pm -
1 stop21h 59m
Thu 10/111:45 am -
1 stop20h 08m
Deal found 8/30![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 10/15:26 pm -
2 stops8h 21m
Sun 10/47:46 pm -
1 stop18h 45m
Deal found 8/27![Frontier logo]()
$313
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:48 am -
1 stop14h 59m
Sun 9/278:24 pm -
1 stop21h 40m
Deal found 8/31![Frontier logo]()
$321
This CheapOair deal was found by Cheapflights users on 8/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:48 am -
1 stop14h 59m
Sat 9/2611:45 am -
1 stop20h 08m
Deal found 8/31![Frontier logo]()
$322
This CheapOair deal was found by Cheapflights users on 8/27. 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 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
Sun 11/152:23 pm -
1 stop25h 16m
Deal found 8/27![Frontier logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Wed 9/305:17 pm -
2 stops26h 31m
Sun 10/47:46 pm -
1 stop18h 45m
Deal found 8/27![Frontier logo]()
$325
This CheapOair deal was found by Cheapflights users on 8/27. 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 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
Sun 10/188:35 pm -
1 stop22h 47m
Deal found 8/27![Frontier logo]()
$331
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Fri 10/26:38 pm -
1 stop5h 59m
Sun 10/411:59 pm -
1 stop7h 29m
Deal found 8/30![American Airlines logo]()
$339
This CheapOair deal was found by Cheapflights users on 8/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:07 pm -
1 stop20h 23m
Sun 10/258:35 pm -
1 stop22h 47m
Deal found 8/31![Frontier logo]()
$340
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 August 31, 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 August 31, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/143:44 pm -
2 stops9h 07m
Sat 10/176:00 am -
1 stop7h 44m
Deal found 8/30![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:15 pm -
1 stop7h 09m
Sat 9/267:05 am -
1 stop7h 26m
Deal found 8/31![Delta logo]()
$363
This American Airlines deal was found by Cheapflights users on 8/28. 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.
Wed 9/168:15 am -
2 stops12h 02m
Wed 9/238:25 am -
1 stop7h 47m
Deal found 8/28![American Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 8/26. 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.
Sat 10/245:20 am -
1 stop7h 46m
Sat 10/317:07 am -
1 stop6h 43m
Deal found 8/26![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/2612:16 pm -
2 stops10h 42m
Sat 10/35:00 am -
1 stop6h 32m
Deal found 8/28![United Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 8/29. 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.
Wed 9/96:20 am -
1 stop6h 45m
Sat 9/126:00 am -
1 stop5h 51m
Deal found 8/29![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/124:20 pm -
1 stop6h 33m
Wed 9/169:01 am -
2 stops10h 18m
Deal found 8/27![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 8/28. 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 9/106:03 am -
1 stop7h 02m
Sun 9/1310:00 pm -
1 stop9h 39m
Deal found 8/28![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/144:06 pm -
1 stop7h 34m
Tue 11/175:00 am -
2 stops13h 07m
Deal found 8/27![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 8/27. 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 9/111:32 pm -
1 stop8h 33m
Sun 9/1310:00 pm -
1 stop9h 39m
Deal found 8/27![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/148:42 am -
1 stop5h 51m
Wed 11/181:29 pm -
1 stop5h 32m
Deal found 8/29![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/3011:45 am -
2 stops13h 14m
Tue 10/65:00 am -
1 stop7h 58m
Deal found 8/30![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 8/27. 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 9/101:32 pm -
1 stop8h 33m
Tue 9/157:05 am -
1 stop8h 00m
Deal found 8/27![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/144:13 pm -
1 stop7h 27m
Tue 11/176:00 am -
1 stop5h 26m
Deal found 8/29![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/29. 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 11/144:09 pm -
1 stop7h 31m
Tue 11/176:00 am -
1 stop5h 26m
Deal found 8/29![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/305:20 am -
2 stops12h 02m
Tue 10/66:00 am -
1 stop7h 32m
Deal found 8/27![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 8/30. 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 11/143:43 pm -
1 stop7h 57m
Tue 11/171:29 pm -
1 stop6h 03m
Deal found 8/30![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 8/27. 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 9/193:45 pm -
1 stop8h 14m
Mon 9/281:24 pm -
1 stop6h 20m
Deal found 8/27![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 8/29. 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 10/317:00 am -
1 stop7h 33m
Tue 11/36:00 am -
1 stop6h 30m
Deal found 8/29![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 8/28. 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 11/103:43 pm -
1 stop7h 57m
Tue 11/176:00 am -
1 stop6h 30m
Deal found 8/28![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 8/26. 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.
Sat 10/243:43 pm -
1 stop8h 16m
Sat 10/316:00 am -
1 stop5h 16m
Deal found 8/26![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/105:32 pm -
1 stop6h 27m
Sat 9/125:00 am -
2 stops13h 03m
Deal found 8/30![United Airlines logo]()
$482
Last-minute flights from Louisiana to OntarioDiscover last-minute flight deals from Louisiana to Ontario. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Louisiana to Ontario. Data last updated August 31, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/29. 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.
Wed 9/96:20 am -
1 stop6h 45m
Sat 9/126:00 am -
1 stop5h 51m
Deal found 8/29![Delta logo]()
$377
This Frontier deal was found by Cheapflights users on 8/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:00 pm -
1 stop12h 04m
Sun 9/138:00 am -
1 stop10h 04m
Deal found 8/26![Frontier logo]()
$380
This American Airlines deal was found by Cheapflights users on 8/30. 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 9/156:00 am -
1 stop5h 29m
Tue 9/2212:37 pm -
1 stop8h 02m
Deal found 8/30![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 9/159:45 am -
2 stops12h 16m
Tue 9/226:00 am -
1 stop7h 30m
Deal found 8/30![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 8/27. 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 9/165:56 am -
1 stop5h 33m
Sat 9/268:25 am -
1 stop7h 47m
Deal found 8/27![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/1710:48 am -
1 stop14h 59m
Tue 9/2911:45 am -
2 stops26h 37m
Deal found 8/27![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 8/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:48 am -
1 stop14h 59m
Sat 9/2611:45 am -
1 stop20h 08m
Deal found 8/31![Frontier logo]()
$322
This CheapOair deal was found by Cheapflights users on 8/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:48 am -
1 stop14h 59m
Sun 9/278:24 pm -
1 stop21h 40m
Deal found 8/29![Frontier logo]()
$340
This Expedia deal was found by Cheapflights users on 8/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:00 pm -
1 stop12h 04m
Sun 10/46:15 am -
1 stop25h 38m
Deal found 8/30![Frontier logo]()
$348
This Expedia deal was found by Cheapflights users on 8/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:00 pm -
1 stop21h 59m
Thu 10/111:45 am -
1 stop20h 08m
Deal found 8/30![Frontier logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Tue 9/295:17 pm -
2 stops32h 30m
Thu 10/12:30 pm -
1 stop12h 30m
Deal found 8/27![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Wed 9/305:17 pm -
2 stops26h 31m
Sun 10/47:46 pm -
1 stop18h 45m
Deal found 8/27![Frontier logo]()
$325
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 August 31, 2026.
Search for one-way flight options from Louisiana to Ontario. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Trip.com deal was found by Cheapflights users on 8/28. 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 10/110:48 am -
1 stop14h 59m
Deal found 8/28![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Mon 11/910:45 am -
1 stop15h 06m
Deal found 8/28![Frontier logo]()
$142
This Trip.com deal was found by Cheapflights users on 8/28. 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 9/2410:48 am -
1 stop14h 59m
Deal found 8/28![Frontier logo]()
$145
This CheapOair deal was found by Cheapflights users on 8/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:00 pm -
1 stop14h 09m
Deal found 8/28![Frontier logo]()
$150
This Trip.com deal was found by Cheapflights users on 8/26. 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 11/135:08 pm -
1 stop25h 30m
Deal found 8/26![Frontier logo]()
$152
This Booking.com deal was found by Cheapflights users on 8/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:00 pm -
1 stop14h 09m
Deal found 8/26![Frontier logo]()
$153
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:34 pm -
1 stop16h 31m
Deal found 8/26![Frontier logo]()
$156
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:34 pm -
1 stop23h 47m
Deal found 8/26![Frontier logo]()
$158
This Delta deal was found by Cheapflights users on 8/28. 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 9/106:03 am -
1 stop7h 02m
Deal found 8/28![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/125:00 am -
2 stops9h 29m
Deal found 8/27![United Airlines logo]()
$300
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Wed 9/305:46 pm -
1 stop6h 13m
Deal found 8/31![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 8/29. 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 10/151:55 pm -
2 stops10h 56m
Deal found 8/29![United Airlines logo]()
$350
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (Kiwi.com) |
One-way from | $141 (Trip.com) |
Popular in | January |
Cheapest in | October |
Average price | $327 |
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 August 31, 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
ShreveportOntario
SHV Shreveport - ONT Ontario
SHVONT
Shreveport
Wed 10/14
3:44 pm-10:51 pm
2 stops9h 07m
Ontario
Sat 10/17
6:00 am-3:44 pm
1 stop7h 44m
$344
AlexandriaOntario
AEX Alexandria - ONT Ontario
AEXONT
Alexandria
Sun 9/20
5:15 pm-10:24 pm
1 stop7h 09m
Ontario
Sat 9/26
7:05 am-4:31 pm
1 stop7h 26m
$363
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
Sat 10/31
7:07 am-3:50 pm
1 stop6h 43m
$377
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Wed 9/9
6:20 am-11:05 am
1 stop6h 45m
Ontario
Sat 9/12
6:00 am-1:51 pm
1 stop5h 51m
$377
New OrleansOntario
MSY New Orleans Louis Armstrong - ONT Ontario
MSYONT
New Orleans Louis Armstrong
Sat 9/26
12:16 pm-8:58 pm
2 stops10h 42m
Ontario
Sat 10/3
5:00 am-1:32 pm
1 stop6h 32m
$382
ShreveportOntario
SHV Shreveport - ONT Ontario
SHVONT
Shreveport
Sat 9/12
4:20 pm-8:53 pm
1 stop6h 33m
Ontario
Wed 9/16
9:01 am-9:19 pm
2 stops10h 18m
$385
Baton RougeOntario
BTR Baton Rouge Ryan - ONT Ontario
BTRONT
Baton Rouge Ryan
Thu 9/10
6:03 am-11:05 am
1 stop7h 02m
Ontario
Sun 9/13
10:00 pm-9:39 am
1 stop9h 39m
$408
Baton RougeOntario
BTR Baton Rouge Ryan - ONT Ontario
BTRONT
Baton Rouge Ryan
Fri 9/11
1:32 pm-8:05 pm
1 stop8h 33m
Ontario
Sun 9/13
10:00 pm-9:39 am
1 stop9h 39m
$408
AlexandriaOntario
AEX Alexandria - ONT Ontario
AEXONT
Alexandria
Sat 11/14
4:06 pm-9:40 pm
1 stop7h 34m
Ontario
Tue 11/17
5:00 am-8:07 pm
2 stops13h 07m
$424
Quickest round-trip
ShreveportOntario
SHV Shreveport - ONT Ontario
SHVONT
Shreveport
Sat 11/14
8:42 am-12:33 pm
1 stop5h 51m
Ontario
Wed 11/18
1:29 pm-9:01 pm
1 stop5h 32m
$429
Showing 1-10 of 44 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
BTR-ONT
AEX-ONT
SHV-ONT
LFT-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
BTR-ONT
AEX-ONT
SHV-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.
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
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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 August 31, 2026.
Louisiana and Ontario flights
Browse other Louisiana and Ontario flight options. Last updated on August 31, 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 August 31, 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% |