Title: CA $350 Cheap Flights from New Orleans (MSY) to Ontario (ONT) - Expedia.ca ![Ontario showing night scenes and street scenes](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Ontario Convention & Visitors Bureau / Jon Edwards. ![](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $350 Cheap Flights from New Orleans (MSY) to Ontario (ONT) [View CA $350 flight on Wed, Dec 31, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:MSY,to:ONT,departure:31/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:349.20&airProductToken=AQqfAQozCMGCARIEMjE1NxjMxAEgo7EBKN-YgQMwzZmBAzhCQABYAWoFQkFTSUNyCEc3QVpaU0JaCjMIwYIBEgQyODYwGKOxASDvuQEop5uBAzDGnIEDOEJAAVgBagVCQVNJQ3IIRzdBWlpTQloKMwjBggESBDE2NjYY77kBIK6bASilnYEDMPSdgQM4QkABWAFqBUJBU0lDcghHN0FaWlNCWhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Louis Armstrong New Orleans Intl. Airport (MSY) to Los Angeles - Ontario Intl. Airport (ONT) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:12/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:12/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:12/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:12/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:12/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:12/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:12/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from New Orleans (MSY) to Ontario (ONT) Prices were available within the past 7 days and start at CA $350 for one-way flights and CA $610 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Dec 31 - Sat, Jan 10 MSY New Orleans ONT Ontario CA $610 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:31/12/2025TANYT&leg2=from:ONT,to:MSY,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:609.70&airProductToken=AQpFCiEIxJgBEgQ4ODAyGMzEASDgXCj_moEDMNibgQM4RUAAWAEKIAjEmAESAzc3MBjgXCCumwEoqZyBAzDGnoEDOEVAAVgBCkYKIQjEmAESBDI3MDgYrpsBIPISKMiIggMwuYmCAzhFQABYAQohCMSYARIEMjEwMBjyEiDMxAEo2YmCAzChi4IDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Jan 4 - Sat, Jan 10 MSY New Orleans ONT Ontario CA $636 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:MSY,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:635.50&airProductToken=AQpGCiEIxJgBEgQyMTk3GMzEASDyEii2yoEDMJrMgQM4RUAAWAEKIQjEmAESBDE3MTkY8hIgrpsBKMPMgQMwus2BAzhFQAFYAQpGCiEIxJgBEgQyNzA4GK6bASDyEijIiIIDMLmJggM4RUAAWAEKIQjEmAESBDIxMDAY8hIgzMQBKNmJggMwoYuCAzhFQAFYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Dec 31 - Thu, Jan 1 MSY New Orleans ONT Ontario CA $646 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:31/12/2025TANYT&leg2=from:ONT,to:MSY,departure:01/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:645.20&airProductToken=AQpFCiEIxJgBEgQ4ODAyGMzEASDgXCj_moEDMNibgQM4RUAAWAEKIAjEmAESAzc3MBjgXCCumwEoqZyBAzDGnoEDOEVAAVgBCkYKIQjEmAESBDI3MDgYrpsBIPISKKijgQMwl6SBAzhFQABYAQohCMSYARIEMjE5NxjyEiDMxAEorKWBAzDvpoEDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Dec 31 - Fri, Jan 9 MSY New Orleans ONT Ontario CA $699 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:31/12/2025TANYT&leg2=from:ONT,to:MSY,departure:09/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:699.00&airProductToken=AQpFCiEIxJgBEgQ4ODAyGMzEASDgXCj_moEDMNibgQM4RUAAWAEKIAjEmAESAzc3MBjgXCCumwEoqZyBAzDGnoEDOEVAAVgBCkYKIQjEmAESBDI3MDgYrpsBIPISKKj9gQMwmf6BAzhFQABYAQohCMSYARIEMjEwMBjyEiDMxAEouf6BAzCBgIIDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Jan 4 - Fri, Jan 9 MSY New Orleans ONT Ontario CA $726 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:MSY,departure:09/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:725.80&airProductToken=AQpGCiEIxJgBEgQyMTk3GMzEASDyEii2yoEDMJrMgQM4RUAAWAEKIQjEmAESBDE3MTkY8hIgrpsBKMPMgQMwus2BAzhFQAFYAQpGCiEIxJgBEgQyNzA4GK6bASDyEiio_YEDMJn-gQM4RUAAWAEKIQjEmAESBDIxMDAY8hIgzMQBKLn-gQMwgYCCAzhFQAFYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Jan 1 - Sun, Jan 4 MSY New Orleans ONT Ontario CA $733 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:01/01/2026TANYT&leg2=from:ONT,to:MSY,departure:04/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:732.30&airProductToken=AQpICiIIwYIBEgQyOTU4GMzEASCjsQEo66iBAzDbqYEDOFFAAFgBCiIIwYIBEgQyNTEyGKOxASCumwEok6qBAzDSq4EDOFFAAVgBCkgKIgjBggESBDE0MjMYrpsBIO-5ASjxxoEDML_HgQM4R0AAWAEKIgjBggESBDIxODMY77kBIMzEASiMyIEDMMDJgQM4R0ABWAESCggBEAEYASoCQUEYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Dec 31 - Sat, Jan 3 MSY New Orleans ONT Ontario CA $741 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:31/12/2025TANYT&leg2=from:ONT,to:MSY,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:740.90&airProductToken=AQpFCiEIxJgBEgQ4ODAyGMzEASDgXCj_moEDMNibgQM4RUAAWAEKIAjEmAESAzc3MBjgXCCumwEoqZyBAzDGnoEDOEVAAVgBCkYKIQjEmAESBDI3MDgYrpsBIPISKOi5gQMw17qBAzhFQABYAQohCMSYARIEMjEwMBjyEiDMxAEo-bqBAzC-vIEDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, Jan 5 - Mon, Jan 5 MSY New Orleans ONT Ontario CA $759 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:05/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:759.00&airProductToken=AQpECiAIwaYBEgM0NTEYzMQBIJIBKOzPgQMwrtKBAzhYQABYAQogCMGmARIDNjY0GJIBIK6bASjO04EDMO7UgQM4WEABWAEKRAogCMGmARIDNTk0GK6bASCSASjH1oEDMPLXgQM4WEAAWAEKIAjBpgESAzQ5MBiSASDMxAEoqdiBAzC62oEDOFhAAVgBEgoIARABGAEqAkFTGAEiBAgBEAEoBDAB) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Jan 4 - Mon, Jan 5 MSY New Orleans ONT Ontario CA $767 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:MSY,departure:05/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:766.70&airProductToken=AQpGCiEIxJgBEgQyMTk3GMzEASDyEii2yoEDMJrMgQM4RUAAWAEKIQjEmAESBDE3MTkY8hIgrpsBKMPMgQMwus2BAzhFQAFYAQpGCiEIxJgBEgQyNzA4GK6bASDyEiio0IEDMJnRgQM4RUAAWAEKIQjEmAESBDIxMDAY8hIgzMQBKLnRgQMwgdOBAzhFQAFYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Dec 30 - Thu, Jan 1 MSY New Orleans ONT Ontario CA $811 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:30/12/2025TANYT&leg2=from:ONT,to:MSY,departure:01/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:810.80&airProductToken=AQpGCiEI1YIBEgQxNDQ0GMzEASCIOCiLkYEDMN-RgQM4UUAAWAEKIQjVggESBDE1NjMYiDggrpsBKMKSgQMwoJSBAzhRQAFYAQpGCiEI1YIBEgQyNDQ2GK6bASCDaSjxooEDMPyjgQM4S0AAWAEKIQjVggESBDIyNzMYg2kgzMQBKNKkgQMw-aWBAzhLQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Dec 30 - Wed, Dec 31 MSY New Orleans ONT Ontario CA $812 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:30/12/2025TANYT&leg2=from:ONT,to:MSY,departure:31/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:811.80&airProductToken=AQpGCiEIxJgBEgQyMTk3GMzEASDyEiiWkoEDMPqTgQM4RUAAWAEKIQjEmAESBDE3MTkY8hIgrpsBKKOUgQMwmpWBAzhFQAFYAQpGCiEIxJgBEgQyNzA4GK6bASDyEiiImIEDMPeYgQM4RUAAWAEKIQjEmAESBDIxMDAY8hIgzMQBKJmZgQMw4JqBAzhFQAFYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Thu, Jan 1 - Thu, Jan 1 MSY New Orleans ONT Ontario CA $847 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:01/01/2026TANYT&leg2=from:ONT,to:MSY,departure:01/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:846.20&airProductToken=AQpICiIIwYIBEgQyMTU3GMzEASCjsQEo_6OBAzDtpIEDOE5AAFgBCiIIwYIBEgQyNjM1GKOxASCumwEotqWBAzCAp4EDOE5AAVgBCkgKIgjBggESBDIyNzcYrpsBIKOxASjfq4EDMIutgQM4TEAAWAEKIgjBggESBDIxNTcYo7EBIMzEASiRroEDMOuugQM4TEABWAESCggBEAEYASoCQUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, Dec 30 - Sat, Jan 10 MSY New Orleans ONT Ontario CA $856 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:30/12/2025TANYT&leg2=from:ONT,to:MSY,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:855.90&airProductToken=AQpGCiEI1YIBEgQxNDQ0GMzEASCIOCiLkYEDMN-RgQM4UUAAWAEKIQjVggESBDE1NjMYiDggrpsBKMKSgQMwoJSBAzhRQAFYAQpGCiEI1YIBEgQxMjYzGK6bASCDaSiEjIIDMI-NggM4TEAAWAEKIQjVggESBDE1NDEYg2kgzMQBKNCNggMw9I6CAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Dec 27 - Sat, Jan 3 MSY New Orleans ONT Ontario CA $925 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:27/12/2025TANYT&leg2=from:ONT,to:MSY,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:924.70&airProductToken=AQpFCiEIxJgBEgQzMTQ2GMzEASDgXCi-74ADMJnwgAM4RUAAWAEKIAjEmAESAzc3ORjgXCCumwEogPGAAzCb84ADOEVAAVgBCkYKIQjEmAESBDI3MDgYrpsBIPISKOi5gQMw17qBAzhFQABYAQohCMSYARIEMjEwMBjyEiDMxAEo-bqBAzC-vIEDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Mon, Dec 29 - Mon, Jan 5 MSY New Orleans ONT Ontario CA $988 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:29/12/2025TANYT&leg2=from:ONT,to:MSY,departure:05/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:987.10&airProductToken=AQpGCiEIyIIBEgQ2MjY5GMzEASCSASiHhoEDMMeIgQM4VUAAWAEKIQjIggESBDY4MjgYkgEgrpsBKO-IgQMwjoqBAzhVQAFYAQpGCiEIyIIBEgQ2MzU4GK6bASCSASjH1oEDMPLXgQM4VUAAWAEKIQjIggESBDY3OTgYkgEgzMQBKKnYgQMwutqBAzhVQAFYARIKCAEQARgBKgJIQRgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, Dec 30 - Sat, Jan 3 MSY New Orleans ONT Ontario CA $989 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:30/12/2025TANYT&leg2=from:ONT,to:MSY,departure:03/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:988.10&airProductToken=AQpGCiEIxJgBEgQyMTk3GMzEASDyEiiWkoEDMPqTgQM4RUAAWAEKIQjEmAESBDE3MTkY8hIgrpsBKKOUgQMwmpWBAzhFQAFYAQpGCiEIxJgBEgQyNzA4GK6bASDyEijouYEDMNe6gQM4RUAAWAEKIQjEmAESBDIxMDAY8hIgzMQBKPm6gQMwvryBAzhFQAFYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Dec 30 - Tue, Dec 30 MSY New Orleans ONT Ontario CA $1,077 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:MSY,to:ONT,departure:30/12/2025TANYT&leg2=from:ONT,to:MSY,departure:30/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1076.10&airProductToken=AQpICiIIwYIBEgQyMDkwGMzEASCjsQEo0ouBAzDAjIEDOExAAFgBCiIIwYIBEgQxODIwGKOxASCumwEo9IyBAzDCjoEDOExAAVgBCkgKIgjBggESBDIxOTgYrpsBIKOxASj9j4EDMLWRgQM4TEAAWAEKIgjBggESBDEwMDcYo7EBIMzEASiGkoEDMOOSgQM4TEABWAESCggBEAEYASoCQUEYASIECAEQASgEMAE) ## Find the cheapest month to fly from New Orleans (MSY) to Ontario (ONT) ### January is typically the cheapest month to fly From CA $193 - CA $896 per traveller. ## Alternative airports near Ontario Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:10/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ONT Los Angeles - Ontario Intl. CheapestClosest 8 min [Flights from CA $636 ](https://www.expedia.ca/Flights-Search?leg1=from:MSY,to:ONT,departure:05/01/2026TANYT&leg2=from:ONT,to:MSY,departure:10/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flight from New Orleans to Ontario (MSY - ONT) route information__ | Origin airport | Louis Armstrong New Orleans Intl. | | ------------------- | --------------------------------- | | Destination airport | Los Angeles - Ontario Intl. | | Roundtrip price | CA $610 | | Distance | 2592 km | ## New Orleans to Los Angeles Flights **The easy way to book your flights from New Orleans to Ontario** With Expedia, it’s simple to find and book flights to Ontario from New Orleans whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too. Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from New Orleans to Ontario today, tomorrow, or this week. **Save dollars with cheap flights from Louis Armstrong New Orleans Intl., MSY to Los Angeles - Ontario Intl., ONT** Sort your search results by price to find great deals on your flight from New Orleans to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from New Orleans currently is just CA $610 rising to CA $1,077\. Here are more money-saving tips: - Fly in December when flight prices are normally at their lowest - Book about a month to 6 weeks before you travel for the best prices to Ontario - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! **Reasons to choose Expedia for your flight to Ontario from New Orleans** Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today. ## Frequently asked questions ### How much is a flight from Louis Armstrong New Orleans Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)? ### Do I need to pay a cancellation fee if I cancel my flight from Louis Armstrong New Orleans Intl. Airport (MSY) to ONT? ### How do I find cheap flights from Louis Armstrong New Orleans Intl. Airport (MSY) to ONT that have flexible change policies? ### How many hours is the flight from Louis Armstrong New Orleans Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)? ### How far is the flight from Louis Armstrong New Orleans Intl. Airport to Ontario Airport? ### Which airlines fly direct from Louis Armstrong New Orleans Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)? ### Are Louis Armstrong New Orleans Intl. Airport to ONT flight tickets cheaper when they're purchased at the last minute? ## Explore a world of travel with Expedia - Flights - [Flights from Bamfield to Ontario ](https://www.expedia.ca/lp/flights/10552/2680/bamfield-to-ontario) - [Flights from Revelstoke to Ontario ](https://www.expedia.ca/lp/flights/10607/2680/revelstoke-to-ontario) - [Flights from Dutch Harbor to Ontario ](https://www.expedia.ca/lp/flights/1075/2680/dutch-harbor-to-ontario) - [Flights from Devils Lake to Ontario ](https://www.expedia.ca/lp/flights/1076/2680/devils-lake-to-ontario) - [Flights from Heraklion to Ontario ](https://www.expedia.ca/lp/flights/1444/2680/heraklion-to-ontario) - [Flights from Harbin to Ontario ](https://www.expedia.ca/lp/flights/1510/2680/harbin-to-ontario) - [Flights from Hilo to Ontario ](https://www.expedia.ca/lp/flights/1643/2680/hilo-to-ontario) - [Flights from Jamestown to Ontario ](https://www.expedia.ca/lp/flights/1709/2680/jamestown-to-ontario) - [Flights from Athens to Ontario ](https://www.expedia.ca/lp/flights/178231/2680/athens-to-ontario) - 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