$111+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Oct 4 — Oct 111
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 September 4, 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 September 4, 2026.
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Sat 10/246:15 am -
1 stop25h 27m
Thu 10/2910:45 am -
1 stop15h 06m
Deal found 9/3![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/126:25 am -
2 stops7h 48m
Mon 11/165:08 pm -
2 stops8h 43m
Deal found 9/2![Frontier logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/228:35 pm -
1 stop6h 25m
Wed 11/43:35 pm -
1 stop10h 16m
Deal found 9/2![Multiple Airlines logo]()
$270
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
1 stop11h 22m
Fri 10/2310:37 am -
1 stop25h 52m
Deal found 9/2![Frontier logo]()
$276
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 10/298:35 pm -
1 stop19h 04m
Mon 11/26:34 pm -
1 stop17h 06m
Deal found 9/3![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/2311:45 am -
1 stop20h 08m
Wed 9/305:17 pm -
2 stops26h 31m
Deal found 9/3![Frontier logo]()
$282
This Expedia deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/28:00 am -
1 stop10h 04m
Mon 10/59:00 pm -
1 stop14h 09m
Deal found 9/1![Frontier logo]()
$286
This Orbitz deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:23 pm -
1 stop25h 16m
Mon 11/96:34 pm -
1 stop23h 47m
Deal found 9/2![Frontier logo]()
$287
This CheapOair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Sat 9/266:15 am -
1 stop25h 38m
Mon 9/289:00 pm -
1 stop14h 09m
Deal found 9/2![Frontier logo]()
$288
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 10/16:15 am -
1 stop25h 38m
Sun 10/49:00 pm -
1 stop16h 22m
Deal found 9/3![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/17:46 pm -
1 stop18h 45m
Thu 10/85:25 pm -
1 stop27h 43m
Deal found 9/3![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/711:45 am -
1 stop19h 57m
Wed 10/143:17 pm -
2 stops34h 33m
Deal found 9/3![Frontier logo]()
$294
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 September 4, 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 September 4, 2026.
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Mon 1/257:00 am -
1 stop7h 44m
Sun 1/316:00 am -
1 stop7h 27m
Deal found 9/2![Delta logo]()
$339
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:35 pm -
1 stop6h 20m
Sat 11/144:45 pm -
1 stop6h 15m
Deal found 8/30![Southwest logo]()
$377
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 9/156:00 am -
1 stop7h 30m
Sat 9/199:45 am -
2 stops12h 16m
Deal found 8/30![United Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/22:22 pm -
1 stop6h 31m
Sun 10/45:56 am -
1 stop5h 33m
Deal found 9/3![American Airlines logo]()
$513
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:00 am -
2 stops11h 25m
Mon 10/268:25 pm -
1 stop5h 25m
Deal found 8/30![Southwest logo]()
$388
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 33m
Wed 2/34:08 pm -
1 stop7h 32m
Deal found 9/3![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:00 am -
2 stops11h 25m
Wed 11/43:20 pm -
2 stops7h 15m
Deal found 9/2![Southwest logo]()
$411
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.
Mon 1/256:53 pm -
2 stops14h 19m
Sun 1/314:08 pm -
1 stop7h 32m
Deal found 8/30![United Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/242:09 pm -
1 stop6h 47m
Fri 11/277:32 pm -
1 stop6h 27m
Deal found 9/2![American Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/55:20 pm -
1 stop4h 55m
Sun 11/86:10 am -
1 stop7h 20m
Deal found 9/3![Southwest logo]()
$432
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:32 pm -
1 stop5h 29m
Tue 11/1712:00 pm -
2 stops10h 51m
Deal found 9/3![United Airlines logo]()
$434
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.
Mon 11/237:05 am -
1 stop9h 24m
Fri 11/276:00 am -
1 stop7h 08m
Deal found 8/31![Delta logo]()
$549
This Southwest deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:40 am -
2 stops6h 20m
Sun 1/106:45 am -
2 stops8h 40m
Deal found 9/3![Southwest logo]()
$442
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/186:00 am -
1 stop7h 30m
Tue 9/229:45 am -
2 stops12h 16m
Deal found 9/3![United Airlines logo]()
$446
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.
Sat 11/712:16 pm -
1 stop6h 37m
Sun 11/86:02 am -
1 stop7h 04m
Deal found 8/31![Delta logo]()
$558
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 9/196:08 am -
2 stops11h 52m
Tue 9/229:45 am -
2 stops12h 16m
Deal found 8/30![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/172:22 pm -
1 stop6h 52m
Mon 9/215:15 pm -
1 stop7h 22m
Deal found 9/2![American Airlines logo]()
$634
This Southwest deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:10 pm -
2 stops7h 40m
Mon 11/95:00 pm -
2 stops7h 55m
Deal found 9/2![Southwest logo]()
$479
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 9/266:00 am -
1 stop5h 20m
Tue 9/295:20 am -
2 stops12h 02m
Deal found 9/1![United Airlines logo]()
$464
This Southwest deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:00 am -
2 stops11h 20m
Mon 10/56:10 am -
2 stops7h 15m
Deal found 9/1![Southwest logo]()
$492
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 11/46:00 am -
1 stop8h 08m
Tue 11/105:26 pm -
1 stop6h 14m
Deal found 8/31![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 12/31:40 pm -
1 stop5h 47m
Tue 12/159:30 am -
2 stops12h 59m
Deal found 9/2![United Airlines logo]()
$482
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/171:20 pm -
1 stop7h 40m
Sun 12/275:20 am -
1 stop5h 50m
Deal found 8/30![Southwest logo]()
$540
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 9/196:08 am -
2 stops11h 24m
Tue 9/225:20 am -
2 stops10h 41m
Deal found 8/30![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 12/46:40 pm -
2 stops12h 00m
Tue 12/89:30 am -
2 stops12h 59m
Deal found 9/2![United Airlines logo]()
$505
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:25 am -
1 stop7h 49m
Wed 9/301:44 pm -
1 stop8h 25m
Deal found 8/31![American Airlines logo]()
$1,122
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/246:00 am -
1 stop7h 29m
Mon 10/267:08 pm -
1 stop28h 32m
Deal found 9/3![United Airlines logo]()
$556
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.
Tue 10/65:00 am -
2 stops10h 43m
Fri 10/1612:05 pm -
2 stops12h 46m
Deal found 8/31![United Airlines logo]()
$569
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.
Fri 9/187:13 pm -
2 stops14h 00m
Fri 9/254:07 pm -
1 stop7h 52m
Deal found 8/30![United Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 9/187:13 pm -
2 stops14h 02m
Mon 9/214:04 pm -
1 stop7h 55m
Deal found 9/2![United Airlines logo]()
$579
Last-minute flights from Ontario to LouisianaDiscover last-minute flight deals from Ontario to Louisiana. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Louisiana. Data last updated September 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 9/2311:45 am -
1 stop20h 08m
Wed 9/305:17 pm -
2 stops26h 31m
Deal found 9/3![Frontier logo]()
$282
This CheapOair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Sat 9/266:15 am -
1 stop25h 38m
Mon 9/289:00 pm -
1 stop14h 09m
Deal found 9/2![Frontier logo]()
$288
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 10/16:15 am -
1 stop25h 38m
Sun 10/49:00 pm -
1 stop16h 22m
Deal found 9/3![Frontier logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/17:46 pm -
1 stop18h 45m
Thu 10/85:25 pm -
1 stop27h 43m
Deal found 9/3![Frontier logo]()
$290
This Expedia deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/28:00 am -
1 stop10h 04m
Mon 10/59:00 pm -
1 stop14h 09m
Deal found 9/1![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/711:45 am -
1 stop19h 57m
Wed 10/143:17 pm -
2 stops34h 33m
Deal found 9/3![Frontier logo]()
$294
This CheapOair deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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 10/1411:52 am -
1 stop19h 50m
Tue 10/205:05 pm -
2 stops32h 45m
Deal found 9/3![Frontier logo]()
$295
This Expedia deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
1 stop11h 22m
Fri 10/2310:37 am -
1 stop25h 52m
Deal found 9/2![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/228:35 pm -
1 stop6h 25m
Wed 11/43:35 pm -
1 stop10h 16m
Deal found 9/2![Multiple Airlines logo]()
$270
This CheapOair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/238:00 am -
1 stop11h 22m
Thu 10/2910:45 am -
1 stop15h 06m
Deal found 9/2![Frontier logo]()
$296
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Sat 10/246:15 am -
1 stop25h 27m
Thu 10/2910:45 am -
1 stop15h 06m
Deal found 9/3![Frontier logo]()
$262
This Expedia deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Thu 10/298:35 pm -
1 stop19h 04m
Mon 11/26:34 pm -
1 stop17h 06m
Deal found 9/3![Frontier logo]()
$278
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 September 4, 2026.
Search for one-way flight options from Ontario to Louisiana. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Super.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” 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.
Wed 9/236:15 am -
1 stop25h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Frontier logo]()
$111
This Booking.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/286:25 am -
1 stop25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$127
This Trip.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/116:25 am -
1 stop25h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$131
This Frontier deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 11/126:25 am -
2 stops7h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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.
Wed 12/26:20 am -
1 stop25h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 11/198:35 pm -
1 stop20h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$141
This Super.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/18:00 am -
1 stop10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” 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 10/58:00 am -
1 stop10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$143
This Mytrip deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/710:04 am -
1 stop23h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$145
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 10/12:22 pm -
1 stop6h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” 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 9/231:18 pm -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:32 pm -
2 stops12h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![United Airlines logo]()
$350
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 September 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (Expedia) |
One-way from | $111 (Super.com) |
Popular in | April |
Cheapest in | October |
Average price | $333 |
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 September 4, 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
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Thu 1/7
6:00 am-1:51 pm
1 stop5h 51m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Mon 11/23
6:00 am-1:50 pm
1 stop5h 50m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Thu 10/1
9:25 am-10:59 pm
2 stops11h 34m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$194
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Sat 11/7
1:29 pm-9:32 pm
1 stop6h 03m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Mon 11/2
6:00 am-4:08 pm
1 stop8h 08m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Tue 9/29
6:00 am-4:13 pm
1 stop8h 13m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Thu 12/24
1:38 pm-9:51 pm
1 stop6h 13m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Wed 2/24
1:00 pm-9:27 pm
1 stop6h 27m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Mon 11/16
5:00 am-1:38 pm
1 stop6h 38m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$239
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Thu 9/10
5:00 am-5:54 pm
2 stops10h 54m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
Showing 1-10 of 59 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-BTR
ONT-SHV
ONT-AEX
ONT-LFT
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-BTR
ONT-SHV
ONT-AEX
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 $391). Flying from Ontario to Louisiana in June is currently the most expensive (average of $580). 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 $348 and $512 in October.The cheapest round-trip price found within the last 5 days was $262 on Frontier (Oct 24-Oct 29).
How far ahead should I book a flight from Ontario to Louisiana?
The best time to book flights from Ontario to Louisiana is 49 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 September 4, 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.
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
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 September 4, 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 September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$331 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$177 | Average$386 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$449 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$308 | Average$488 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$333 | Average$467 | FlexibilityNo cancel fee | On-time63% |