Title: CA $207 Cheap Flights from Philadelphia (PHL) 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 $207 Cheap Flights from Philadelphia (PHL) to Ontario (ONT) [View CA $207 flight on Sat, Feb 14, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:PHL,to:ONT,departure:14/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:206.50&airProductToken=AQpoCjEIwYIBEgM3NzgY71kgo7EBKLqUhQMwq5aFAzhCQABYAWoFQkFTSUNyCE83QVdaU0JaCjMIwYIBEgQzMDA2GKOxASCumwEo1JaFAzCfmIUDOEJAAVgBagVCQVNJQ3IITzdBV1pTQloSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) - [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 Philadelphia International Airport (PHL) 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:PHL,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:PHL,departure:11/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:PHL,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:PHL,departure:11/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:PHL,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:PHL,departure:11/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![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:PHL,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:PHL,departure:11/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![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:PHL,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:PHL,departure:11/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:PHL,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:PHL,departure:11/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:PHL,to:ONT,departure:04/01/2026TANYT&leg2=from:ONT,to:PHL,departure:11/01/2026TANYT&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 Philadelphia (PHL) to Ontario (ONT) Prices were available within the past 7 days and start at CA $207 for one-way flights and CA $463 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Feb 14 - Mon, Feb 16 PHL Philadelphia ONT Ontario CA $463 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:14/02/2026TANYT&leg2=from:ONT,to:PHL,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:462.50&airProductToken=AQppCjIIwYIBEgQxNjc0GO9ZIKOxASiMk4UDMIaVhQM4QkAAWAFqBUJBU0lDcghPN0FXWlNCWgozCMGCARIEMjUxMhijsQEgrpsBKMyVhQMwmJeFAzhCQAFYAWoFQkFTSUNyCE83QVdaU0JaCmkKMwjBggESBDE2NjYYrpsBIO-5ASimr4UDMPivhQM4QkAAWAFqBUJBU0lDcghRVkFaWFNCWAoyCMGCARIEMTU3NxjvuQEg71kouLCFAzCzsoUDOEJAAVgBagVCQVNJQ3IIUVZBWlhTQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Feb 28 - Sat, Mar 7 PHL Philadelphia ONT Ontario CA $532 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:28/02/2026TANYT&leg2=from:ONT,to:PHL,departure:07/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:531.30&airProductToken=AQpECiAIxJgBEgQxMTUyGO9ZIOBcKOuuhgMwgrCGAzhFQABYAQogCMSYARIDNjY1GOBcIK6bASiusIYDMNKyhgM4RUABWAEKRAogCMSYARIDNzYxGK6bASDgXCichocDMJSIhwM4RUAAWAEKIAjEmAESBDExMDAY4Fwg71kozYiHAzDCiYcDOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Feb 14 - Mon, Feb 16 PHL Philadelphia ONT Ontario CA $537 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:14/02/2026TANYT&leg2=from:ONT,to:PHL,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:536.60&airProductToken=AQpoCjEIwYIBEgM3NzgY71kgo7EBKLqUhQMwq5aFAzhCQABYAWoFQkFTSUNyCE83QVdaU0JaCjMIwYIBEgQzMDA2GKOxASCumwEo1JaFAzCfmIUDOEJAAVgBagVCQVNJQ3IITzdBV1pTQloKaQozCMGCARIEMjYzNRiumwEgo7EBKPSshQMwqK6FAzhCQABYAWoFQkFTSUNyCFNXQVpaTkJYCjIIwYIBEgQxOTI0GKOxASDvWSjcroUDMJWwhQM4QkABWAFqBUJBU0lDcghTV0FaWk5CWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Feb 14 - Mon, Feb 16 PHL Philadelphia ONT Ontario CA $544 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:14/02/2026TANYT&leg2=from:ONT,to:PHL,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:543.10&airProductToken=AQpoCjEIwYIBEgM5MTMY71kg77kBKLCRhQMwgpSFAzhCQABYAWoFQkFTSUNyCE5WQVpYU0JYCjMIwYIBEgQzMDE2GO-5ASCumwEonZSFAzD6lIUDOEJAAVgBagVCQVNJQ3IITlZBWlhTQlgKaQozCMGCARIEMjI3NxiumwEgo7EBKJ-xhQMwx7KFAzhCQABYAWoFQkFTSUNyCFFWQVpYU0JYCjIIwYIBEgQyMDc0GKOxASDvWSjWs4UDMJG1hQM4QkABWAFqBUJBU0lDcghRVkFaWFNCWBIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, Feb 14 - Mon, Feb 16 PHL Philadelphia ONT Ontario CA $578 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:14/02/2026TANYT&leg2=from:ONT,to:PHL,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:577.89&airProductToken=AQpnCjEI1YIBEgQyMDkzGO9ZIINpKLWVhQMww5eFAzhMQABYAWoFMl9lY29yCExBQTdBWkRTCjII1YIBEgQxMjIxGINpIK6bASiMmIUDMKKZhQM4TEAAWAFqBTJfZWNvcghMQUE3QVpEUxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sun, Mar 1 - Sat, Mar 7 PHL Philadelphia ONT Ontario CA $580 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:01/03/2026TANYT&leg2=from:ONT,to:PHL,departure:07/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:579.60&airProductToken=AQpFCiAIxJgBEgQxMDgzGO9ZIPISKNa_hgMwkMKGAzhFQABYAQohCMSYARIEMTYxNBjyEiCumwEox8KGAzC1w4YDOEVAAVgBCkQKIAjEmAESAzc2MRiumwEg4FwonIaHAzCUiIcDOEVAAFgBCiAIxJgBEgQxMTAwGOBcIO9ZKM2IhwMwwomHAzhFQAFYARIKCAEQARgBKgJETBgBIgQIARABKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Feb 14 - Mon, Feb 16 PHL Philadelphia ONT Ontario CA $585 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:14/02/2026TANYT&leg2=from:ONT,to:PHL,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:585.00&airProductToken=AQppCjIIwYIBEgQyMTAyGO9ZIO-5ASiHk4UDMNWVhQM4QkAAWAFqBUJBU0lDcghTV0FaWk5CWAozCMGCARIEMzEzORjvuQEgrpsBKM6WhQMwmpeFAzhCQAFYAWoFQkFTSUNyCFNXQVpaTkJYCmkKMwjBggESBDE5MjAYrpsBIOKaASifsYUDMKizhQM4QkAAWAFqBUJBU0lDcghRVkFaWFNCWAoyCMGCARIEMTgwORjimgEg71ko4LOFAzDLtIUDOEJAAVgBagVCQVNJQ3IIUVZBWlhTQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Feb 14 - Mon, Feb 16 PHL Philadelphia ONT Ontario CA $601 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:14/02/2026TANYT&leg2=from:ONT,to:PHL,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:600.10&airProductToken=AQpnCjEIwYIBEgQxNjc0GO9ZIKOxASiMk4UDMIaVhQM4T0AAWAFqBE1BSU5yCE83QVdaU00xCjIIwYIBEgQyNTEyGKOxASCumwEozJWFAzCYl4UDOE9AAVgBagRNQUlOcghPN0FXWlNNMQpnCjIIwYIBEgQxNjY2GK6bASDvuQEopq-FAzD4r4UDOFFAAFgBagRNQUlOcghRVkFaWFNNMwoxCMGCARIEMTU3NxjvuQEg71kouLCFAzCzsoUDOFFAAVgBagRNQUlOcghRVkFaWFNNMxIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, May 18 - Sun, May 31 PHL Philadelphia ONT Ontario CA $602 Roundtrip found 16 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:18/05/2026TANYT&leg2=from:ONT,to:PHL,departure:31/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:601.10&airProductToken=AQpGCiEIwaYBEgQxNDYxGO9ZIO-4ASj7q40DMNqujQM4WEAAWAEKIQjBpgESAzczNhjvuAEgrpsBKLmvjQMwwbCNAzhYQAFYAQpDCiAIwaYBEgM1OTkYrpsBIJIBKKy6jgMwzruOAzhYQABYAQofCMGmARIDNDQyGJIBIO9ZKIi8jgMwwr6OAzhYQAFYARIKCAEQARgBKgJBUxgBIgQIARABKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Feb 14 - Mon, Feb 16 PHL Philadelphia ONT Ontario CA $617 Roundtrip found 6 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:PHL,to:ONT,departure:14/02/2026TANYT&leg2=from:ONT,to:PHL,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:616.95&airProductToken=AQpuCjUIxJgBEgQyMjc5GO9ZIOBcKPOUhQMw_JWFAzhFQABYAWoJTUFJTkJBU0lDcghUQVZUQTVCUQo1CMSYARIDNzYxGOBcIK6bASiSl4UDMLGZhQM4RUABWAFqCU1BSU5CQVNJQ3IIVEFWVEE1QlESCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ## Find the cheapest month to fly from Philadelphia (PHL) to Ontario (ONT) ### March is typically the cheapest month to fly From CA $196 - CA $703 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:PHL,to:SNA,departure:04/01/2026TANYT&leg2=from:SNA,to:PHL,departure:20/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) SNA John Wayne Cheapest 42 min [Flights from CA $716 ](https://www.expedia.ca/Flights-Search?leg1=from:PHL,to:SNA,departure:04/01/2026TANYT&leg2=from:SNA,to:PHL,departure:20/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much is a flight from Philadelphia Intl. Airport (PHL) to ONT? ### Do I need to pay a cancellation fee if I cancel my flight from PHL to ONT? ### How do I find cheap flights from PHL to ONT that have flexible change policies? ### How many hours is the flight from Philadelphia Intl. Airport (PHL) to Ontario Airport? ### How far is the flight from Philadelphia Airport to ONT? ### Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Ontario Airport? ### Are PHL to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Philadelphia Intl. | | ------------------- | --------------------------- | | Destination airport | Los Angeles - Ontario Intl. | | Airlines serving | Alaska Airlines, Delta | | Roundtrip price | CA $462 | | Distance | 3759 km | ## Book with confidence # Philadelphia to Los Angeles Flights **The easy way to book your flights from Philadelphia to Ontario** With Expedia, it’s simple to find and book flights to Ontario from Philadelphia 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 Philadelphia to Ontario today, tomorrow, or this week. **Save dollars with cheap flights from Philadelphia Intl., PHL to Los Angeles - Ontario Intl., ONT** Sort your search results by price to find great deals on your flight from Philadelphia to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Philadelphia currently is just CA $463 rising to CA $617\. Here are more money-saving tips: - Fly in February 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 Philadelphia** 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. ## 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 Anchorage to Ontario ](https://www.expedia.ca/lp/flights/178230/2680/anchorage-to-ontario) - [Flights from Athens to Ontario ](https://www.expedia.ca/lp/flights/178231/2680/athens-to-ontario) - [Flights from Boston to Rancho Cucamonga ](https://www.expedia.ca/lp/flights/178239/7732/boston-to-rancho-cucamonga) - [Flights from Calgary to Rancho Cucamonga ](https://www.expedia.ca/lp/flights/178245/7732/calgary-to-rancho-cucamonga) - [Flights from Denver to Rancho Cucamonga ](https://www.expedia.ca/lp/flights/178254/7732/denver-to-rancho-cucamonga) - [Flights from Detroit to Ontario ](https://www.expedia.ca/lp/flights/178255/2680/detroit-to-ontario) - [Flights from Dublin to Ontario ](https://www.expedia.ca/lp/flights/178256/2680/dublin-to-ontario) - [Flights from Montreal to Ontario ](https://www.expedia.ca/lp/flights/178288/2680/montreal-to-ontario) - [Flights from Montreal to Rancho Cucamonga ](https://www.expedia.ca/lp/flights/178288/7732/montreal-to-rancho-cucamonga) - [Flights from Philadelphia to Ontario ](https://www.expedia.ca/lp/flights/178297/2680/philadelphia-to-ontario) - [Flights from San Francisco to Rancho Cucamonga ](https://www.expedia.ca/lp/flights/178305/7732/san-francisco-to-rancho-cucamonga) - [Flights from Stockholm to Ontario ](https://www.expedia.ca/lp/flights/178311/2680/stockholm-to-ontario) - [Flights from Vienna to Ontario ](https://www.expedia.ca/lp/flights/178316/2680/vienna-to-ontario) - [Flights from Kemi to Ontario ](https://www.expedia.ca/lp/flights/1786/2680/kemi-to-ontario) - [Flights from Paris to Ontario ](https://www.expedia.ca/lp/flights/179898/2680/paris-to-ontario) - [Flights from Cologne to Ontario ](https://www.expedia.ca/lp/flights/179998/2680/cologne-to-ontario) - [Flights from Geneva to Ontario ](https://www.expedia.ca/lp/flights/180003/2680/geneva-to-ontario) - [Flights from Jackson to Ontario ](https://www.expedia.ca/lp/flights/180006/2680/jackson-to-ontario) - [Flights from St. Petersburg to Ontario ](https://www.expedia.ca/lp/flights/180029/2680/st-petersburg-to-ontario) - [Flights from Missoula to Ontario ](https://www.expedia.ca/lp/flights/180035/2680/missoula-to-ontario) - 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