$85+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSY
Dec 5 — Dec 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Louisiana
Cheapest
Best
Last-minute
One-way
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 November 5, 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 November 5, 2026.
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:00 am -
1 stop7h 53m
Mon 12/216:56 pm -
1 stop15h 05m
Deal found 11/3![Frontier logo]()
$167
This Orbitz deal was found by Cheapflights users on 11/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:00 am -
1 stop7h 53m
Mon 12/149:38 pm -
1 stop16h 13m
Deal found 11/1![Frontier logo]()
$179
This Mytrip 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 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
Mon 12/79:38 pm -
1 stop16h 13m
Deal found 10/31![Frontier logo]()
$189
This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:00 am -
1 stop8h 58m
Mon 12/79:38 pm -
1 stop22h 53m
Deal found 11/1![Frontier logo]()
$190
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/1011:30 am -
1 stop23h 53m
Mon 12/149:38 pm -
1 stop22h 53m
Deal found 11/2![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/1011:00 am -
1 stop16h 00m
Mon 12/1411:18 am -
2 stops26h 33m
Deal found 11/4![Multiple Airlines logo]()
$197
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:00 pm -
2 stops18h 34m
Thu 12/1011:18 am -
2 stops15h 02m
Deal found 11/2![Frontier logo]()
$200
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Mon 12/1411:00 am -
1 stop7h 53m
Fri 12/187:46 pm -
1 stop28h 10m
Deal found 11/2![Frontier logo]()
$202
This Mytrip deal was found by Cheapflights users on 11/2. 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 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 12/99:26 am -
2 stops14h 51m
Deal found 11/2![Frontier logo]()
$209
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/41:40 pm -
1 stop5h 41m
Sun 12/65:54 pm -
1 stop6h 05m
Deal found 11/1![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 11/2. 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.
Tue 12/112:20 pm -
1 stop8h 24m
Thu 12/1011:50 am -
1 stop8h 48m
Deal found 11/2![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:20 pm -
1 stop7h 48m
Sat 12/51:52 pm -
1 stop8h 03m
Deal found 11/3![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 November 5, 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 November 5, 2026.
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/41:40 pm -
1 stop5h 41m
Sun 12/65:54 pm -
1 stop6h 05m
Deal found 11/1![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:20 pm -
1 stop6h 33m
Wed 12/91:52 pm -
1 stop9h 06m
Deal found 11/3![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:02 pm -
1 stop7h 51m
Sun 12/67:36 pm -
1 stop6h 12m
Deal found 11/4![American Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/94:29 pm -
1 stop21h 50m
Tue 1/125:22 pm -
1 stop24h 11m
Deal found 11/3![Alaska Airlines logo]()
$648
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.
Thu 1/77:25 am -
2 stops11h 44m
Sat 1/94:05 pm -
1 stop8h 10m
Deal found 10/31![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:20 pm -
1 stop7h 48m
Sat 12/51:52 pm -
1 stop8h 03m
Deal found 11/3![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/276:00 am -
1 stop8h 08m
Wed 12/210:05 am -
2 stops9h 31m
Deal found 11/2![United Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 1/96:20 am -
2 stops11h 37m
Sun 1/175:27 am -
1 stop8h 28m
Deal found 11/4![American Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
2 stops10h 19m
Sun 12/63:59 pm -
2 stops9h 58m
Deal found 11/3![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 11/4![United Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/127:05 am -
1 stop7h 03m
Fri 2/196:00 am -
1 stop7h 54m
Deal found 11/1![Delta logo]()
$398
This American Airlines deal was found by Cheapflights users on 11/2. 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 2/210:38 am -
1 stop5h 28m
Tue 2/2310:13 am -
1 stop7h 51m
Deal found 11/2![American Airlines logo]()
$458
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.
Wed 12/165:45 am -
1 stop5h 44m
Sun 12/203:59 pm -
1 stop8h 12m
Deal found 10/31![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 11/2. 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.
Wed 12/166:00 am -
1 stop5h 57m
Fri 1/86:30 am -
1 stop7h 25m
Deal found 11/2![Delta logo]()
$408
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/232:22 pm -
1 stop7h 25m
Thu 12/315:34 pm -
1 stop8h 36m
Deal found 11/4![American Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 11/2. 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 12/35:00 am -
2 stops12h 38m
Thu 12/104:07 pm -
1 stop7h 52m
Deal found 11/2![United Airlines logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/136:00 am -
1 stop8h 19m
Wed 1/205:22 pm -
1 stop31h 21m
Deal found 11/2![Alaska Airlines logo]()
$655
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:00 am -
1 stop8h 04m
Fri 1/16:00 am -
1 stop7h 59m
Deal found 11/4![American Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/127:05 am -
1 stop7h 03m
Sun 2/216:00 am -
1 stop7h 54m
Deal found 11/1![Delta logo]()
$478
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 2/52:23 pm -
1 stop6h 36m
Sat 2/206:43 pm -
1 stop6h 07m
Deal found 11/2![American Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 1/306:00 am -
1 stop7h 28m
Wed 2/34:05 pm -
1 stop8h 10m
Deal found 11/2![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 1/216:00 am -
1 stop7h 28m
Mon 1/2512:00 pm -
2 stops10h 25m
Deal found 11/3![United Airlines logo]()
$474
This American 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 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 12/1010:35 am -
2 stops13h 18m
Deal found 10/31![American Airlines logo]()
$566
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
1 stop5h 50m
Thu 12/105:20 am -
1 stop7h 47m
Deal found 10/31![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/266:00 am -
1 stop7h 28m
Wed 12/28:45 am -
2 stops13h 53m
Deal found 11/2![United Airlines logo]()
$474
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:00 am -
1 stop5h 50m
Wed 12/95:20 am -
1 stop7h 47m
Deal found 10/31![Delta logo]()
$578
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Thu 12/105:45 am -
1 stop7h 40m
Sun 12/134:00 pm -
1 stop7h 59m
Deal found 11/1![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/25:45 am -
1 stop7h 40m
Sat 12/59:15 am -
2 stops10h 21m
Deal found 11/3![United Airlines logo]()
$484
This American Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/1810:30 am -
1 stop5h 37m
Sun 11/225:40 am -
1 stop8h 15m
Deal found 11/2![American Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 11/1. 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 1/309:45 am -
2 stops8h 27m
Wed 2/34:00 pm -
1 stop8h 15m
Deal found 11/1![United Airlines logo]()
$484
Last-minute flights from Ontario to LouisianaDiscover last-minute flight deals from Ontario to Louisiana. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Louisiana. Data last updated November 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/2. 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.
Tue 12/112:20 pm -
1 stop8h 24m
Thu 12/1011:50 am -
1 stop8h 48m
Deal found 11/2![Delta logo]()
$379
This Mytrip 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 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
Mon 12/79:38 pm -
1 stop16h 13m
Deal found 10/31![Frontier logo]()
$189
This Mytrip deal was found by Cheapflights users on 11/2. 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 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 12/99:26 am -
2 stops14h 51m
Deal found 11/2![Frontier logo]()
$209
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:00 pm -
2 stops18h 34m
Thu 12/1011:18 am -
2 stops15h 02m
Deal found 11/2![Frontier logo]()
$200
This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:00 am -
1 stop8h 58m
Mon 12/79:38 pm -
1 stop22h 53m
Deal found 11/1![Frontier logo]()
$190
This United Airlines deal was found by Cheapflights users on 11/1. 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 12/41:40 pm -
1 stop5h 41m
Sun 12/65:54 pm -
1 stop6h 05m
Deal found 11/1![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:20 pm -
1 stop7h 48m
Sat 12/51:52 pm -
1 stop8h 03m
Deal found 11/3![Delta logo]()
$379
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/1011:30 am -
1 stop23h 53m
Mon 12/149:38 pm -
1 stop22h 53m
Deal found 11/2![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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 12/1011:00 am -
1 stop16h 00m
Mon 12/1411:18 am -
2 stops26h 33m
Deal found 11/4![Multiple Airlines logo]()
$197
This Orbitz deal was found by Cheapflights users on 11/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:00 am -
1 stop7h 53m
Mon 12/149:38 pm -
1 stop16h 13m
Deal found 11/1![Frontier logo]()
$179
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1411:00 am -
1 stop7h 53m
Mon 12/216:56 pm -
1 stop15h 05m
Deal found 11/3![Frontier logo]()
$167
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Mon 12/1411:00 am -
1 stop7h 53m
Fri 12/187:46 pm -
1 stop28h 10m
Deal found 11/2![Frontier logo]()
$202
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 November 5, 2026.
Search for one-way flight options from Ontario to Louisiana. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 1/166:30 am -
2 stops24h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 11/3. 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.
Sun 1/316:27 pm -
1 stop22h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 11/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/102:26 pm -
1 stop27h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$94
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:45 am -
2 stops33h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$96
This Super.com deal was found by Cheapflights users on 11/2. 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.
Fri 12/2510:23 am -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$101
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Fri 12/1111:00 am -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$106
This Super.com deal was found by Cheapflights users on 11/2. 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.
Thu 12/1011:30 am -
1 stop23h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$107
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Thu 12/2410:30 pm -
1 stop18h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$108
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1611:30 am -
1 stop27h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$110
This Super.com deal was found by Cheapflights users on 11/2. 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.
Tue 12/2910:48 pm -
1 stop17h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 11/3. 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 12/911:30 am -
1 stop23h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Frontier logo]()
$115
This Trip.com deal was found by Cheapflights users on 11/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:55 am -
1 stop6h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$129
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Trip.com) |
One-way from | $85 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $388 |
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 November 5, 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
Fri 1/29
8:02 am-6:51 pm
1 stop8h 49m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$111
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Sat 12/19
6:15 am-9:33 am
2 stops25h 18m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$123
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Thu 11/26
8:15 am-10:10 am
2 stops23h 55m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$142
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Thu 1/14
7:10 pm-9:03 am
1 stop11h 53m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$145
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Sat 1/16
6:30 am-9:03 am
2 stops24h 33m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$161
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Sat 11/14
6:30 am-9:50 am
1 stop25h 20m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$163
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Fri 11/20
10:55 am-5:00 am
1 stop16h 05m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$179
Quickest round-trip
OntarioNew Orleans
ONT Ontario - MSY New Orleans Louis Armstrong
ONTMSY
Ontario
Tue 1/12
6:00 am-1:46 pm
1 stop5h 46m
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
Wed 12/23
10:35 pm-10:12 am
1 stop9h 37m
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
Wed 12/9
7:05 am-5:16 pm
1 stop8h 11m
New Orleans Louis Armstrong
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$189
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-LCH
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-LCH
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 December.The cheapest round-trip price found within the last 5 days was $167 on Frontier (Dec 14-Dec 21).
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 November 5, 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
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Overall
8.0
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
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.
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
Other flight options
Popular flights
Top destinations
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 November 5, 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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$95 | Average$310 | 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% |