Title: CA $223 Cheap Flights from Washington (DCA) 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 $223 Cheap Flights from Washington (DCA) to Ontario (ONT) [View CA $223 flight on Tue, Nov 11, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:DCA,to:ONT,departure:11/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:222.10&airProductToken=AQpnCjAIwYIBEgM2MzQYQyCjsQEosuT8AjCR5vwCOEJAAFgBagVCQVNJQ3IIT1ZBSFhTQlYKMwjBggESBDIxOTgYo7EBIK6bASjd5vwCMKro_AI4QkABWAFqBUJBU0lDcghPVkFIWFNCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) - [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 Ronald Reagan National Airport (DCA) to Los Angeles - Ontario Intl. Airport (ONT) - ![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:dca,to:ont,departure:01/11/2025TANYT&leg2=from:ont,to:dca,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![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:dca,to:ont,departure:01/11/2025TANYT&leg2=from:ont,to:dca,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:dca,to:ont,departure:01/11/2025TANYT&leg2=from:ont,to:dca,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:dca,to:ont,departure:01/11/2025TANYT&leg2=from:ont,to:dca,departure:08/11/2025TANYT&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:dca,to:ont,departure:01/11/2025TANYT&leg2=from:ont,to:dca,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:dca,to:ont,departure:01/11/2025TANYT&leg2=from:ont,to:dca,departure:08/11/2025TANYT&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:dca,to:ont,departure:01/11/2025TANYT&leg2=from:ont,to:dca,departure:08/11/2025TANYT&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 Washington (DCA) to Ontario (ONT) Prices were available within the past 7 days and start at CA $223 for one-way flights and CA $446 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, Nov 8 - Sat, Nov 15 DCA Washington ONT Ontario CA $446 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:08/11/2025TANYT&leg2=from:ONT,to:DCA,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:445.20&airProductToken=AQpnCjAIwYIBEgM2MzQYQyCjsQEo0sL8AjCxxPwCOEJAAFgBagVCQVNJQ3IIT1ZBS1hTQlYKMwjBggESBDIxOTgYo7EBIK6bASj9xPwCMMrG_AI4QkABWAFqBUJBU0lDcghPVkFLWFNCVgpnCjMIwYIBEgQxODIwGK6bASCjsQEo55T9AjCZlv0COEJAAFgBagVCQVNJQ3IIT1ZBS1hTQlYKMAjBggESAzQ3MhijsQEgQyjxlv0CMJeY_QI4QkABWAFqBUJBU0lDcghPVkFLWFNCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Nov 8 - Sat, Nov 15 DCA Washington ONT Ontario CA $446 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:08/11/2025TANYT&leg2=from:ONT,to:DCA,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:445.20&airProductToken=AQptCjMIxJgBEgM4MjAYQyDyEijSx_wCMPDJ_AI4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0E1QkMKNgjEmAESBDE2MTQY8hIgrpsBKJfK_AIwgMv8AjhFQAFYAWoJTUFJTkJBU0lDcghWQVZTQTVCQwptCjYIxJgBEgQyNzA4GK6bASDyEijIkv0CMLaT_QI4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0E1QkMKMwjEmAESAzgyMBjyEiBDKPiT_QIw7JX9AjhFQAFYAWoJTUFJTkJBU0lDcghWQVZTQTVCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Oct 31 - Sat, Nov 8 DCA Washington ONT Ontario CA $447 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:31/10/2025TANYT&leg2=from:ONT,to:DCA,departure:08/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:446.30&airProductToken=AQpCCh4IxJgBEgM0MTAYQyDgXCj45_sCMOfo-wI4RUAAWAEKIAjEmAESAzY2NRjgXCCumwEop-n7AjC26_sCOEVAAVgBCkMKIQjEmAESBDI3MDgYrpsBIPISKOjD_AIw1sT8AjhFQABYAQoeCMSYARIDODIwGPISIEMolsX8AjCMx_wCOEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Nov 8 - Sat, Nov 15 DCA Washington ONT Ontario CA $448 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:08/11/2025TANYT&leg2=from:ONT,to:DCA,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:447.68&airProductToken=AQpnCjAIwYIBEgM0NTQYQyCjsQEoz8T8AjCvxvwCOEJAAFgBagVCQVNJQ3IIT1ZBS1hTQlYKMwjBggESBDMwMDYYo7EBIK6bASiKyPwCMM3J_AI4QkABWAFqBUJBU0lDcghPVkFLWFNCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, Nov 8 - Sat, Nov 15 DCA Washington ONT Ontario CA $465 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:08/11/2025TANYT&leg2=from:ONT,to:DCA,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:464.50&airProductToken=AQpnCjAIwYIBEgM4NDgYQyCjsQEo1MP8AjC1xfwCOEJAAFgBagVCQVNJQ3IIT1ZBS1hTQlYKMwjBggESBDI2MzUYo7EBIK6bASj7xfwCMMrH_AI4QkABWAFqBUJBU0lDcghPVkFLWFNCVgpoCjMIwYIBEgQxOTIwGK6bASDimgEoqpr9AjC1nP0COEJAAFgBagVCQVNJQ3IIUVZBV1VTQlgKMQjBggESBDEwNTgY4poBIEMopp39AjD2nf0COEJAAVgBagVCQVNJQ3IIUVZBV1VTQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, Nov 8 - Sat, Nov 15 DCA Washington ONT Ontario CA $469 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:08/11/2025TANYT&leg2=from:ONT,to:DCA,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:468.27&airProductToken=AQptCjMIxJgBEgM4MjAYQyDyEijSx_wCMPDJ_AI4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0E1QkMKNgjEmAESBDE2MTQY8hIgrpsBKJfK_AIwgMv8AjhFQAFYAWoJTUFJTkJBU0lDcghWQVZTQTVCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Oct 31 - Fri, Nov 7 DCA Washington ONT Ontario CA $480 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:31/10/2025TANYT&leg2=from:ONT,to:DCA,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:479.60&airProductToken=AQpCCh4IxJgBEgM0MTAYQyDgXCj45_sCMOfo-wI4RUAAWAEKIAjEmAESAzY2NRjgXCCumwEop-n7AjC26_sCOEVAAVgBCkIKIAjEmAESAzgyOBiumwEg4FwoiMD8AjCAwvwCOEVAAFgBCh4IxJgBEgM5MjYY4FwgQyiKw_wCMPLD_AI4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Nov 8 - Sat, Nov 15 DCA Washington ONT Ontario CA $518 Roundtrip found 5 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:08/11/2025TANYT&leg2=from:ONT,to:DCA,departure:15/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:517.12&airProductToken=AQpdCisIwaYBEgE5GEMg77gBKP3H_AIw4sr8AjhYQABYAWoCU1ZyCFFIMk9BSkJOCi4IwaYBEgI5NxjvuAEgrpsBKIzL_AIwnMz8AjhYQAFYAWoCU1ZyCFFIMk9BSkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, Oct 29 - Wed, Nov 5 DCA Washington ONT Ontario CA $693 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:29/10/2025TANYT&leg2=from:ONT,to:DCA,departure:05/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:692.20&airProductToken=AQqhAQozCNWCARIENDQwOBhDIMSNASit0_sCMPzT-wI4R0AAWAFqB0VDT05PTVlyCEdESzRKSERTCjQI1YIBEgQyNjEyGMSNASCDaSjx1fsCMIbY-wI4S0ABWAFqB0VDT05PTVlyCEtBQTRBSERTCjQI1YIBEgQxMTA5GINpIK6bASjR2PsCMODZ-wI4S0ABWAFqB0VDT05PTVlyCEtBQTRBSERTCmkKNAjVggESBDE5MzYYrpsBIIg4KI2i_AIwyKP8AjhLQABYAWoHRUNPTk9NWXIIS0FHMkFYRFMKMQjVggESAzY1NBiIOCBDKPij_AIwqqX8AjhLQAFYAWoHRUNPTk9NWXIIS0FHMkFYRFMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Sun, Oct 26 - Fri, Nov 7 DCA Washington ONT Ontario CA $923 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:DCA,to:ONT,departure:26/10/2025TANYT&leg2=from:ONT,to:DCA,departure:07/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:922.50&airProductToken=AQpECh8IyIIBEgQ2NzAxGEMgkgEo0LD7AjC7s_sCOFVAAFgBCiEIyIIBEgQ2ODM0GJIBIK6bASictPsCMLm1-wI4VUABWAEKRgoiCMiCARIENjM1NxiumwEg77gBKJi5_AIwrrr8AjhVQABYAQogCMiCARIENjcxMBjvuAEgQyjjxPwCMIzH_AI4VUABWAESCggBEAEYASoCSEEYASIECAEQASgEMAE) ## Find the cheapest month to fly from Washington (DCA) to Ontario (ONT) ### February is typically the cheapest month to fly From CA $192 - CA $523 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:DCA,to:ONT,departure:01/11/2025TANYT&leg2=from:ONT,to:DCA,departure:08/11/2025TANYT&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 $622](https://www.expedia.ca/Flights-Search?leg1=from:DCA,to:ONT,departure:01/11/2025TANYT&leg2=from:ONT,to:DCA,departure:08/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Flight from Washington to Ontario (DCA - ONT) route information | Origin airport | Ronald Reagan Washington National | | --- | --- | | Destination airport | Los Angeles - Ontario Intl. | | Roundtrip price | CA $445 | | Distance | 3614 km | ## Washington to Los Angeles Flights **The easy way to book your flights from Washington to Ontario**  With Expedia, it’s simple to find and book flights to Ontario from Washington 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 Washington to Ontario today, tomorrow, or this week.   **Save dollars with cheap flights from Ronald Reagan Washington National, DCA to Los Angeles - Ontario Intl., ONT**  Sort your search results by price to find great deals on your flight from Washington to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Washington currently is just CA $446 rising to CA $923.   Here are more money-saving tips:  - Fly in November 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 Washington**  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 National Airport to Los Angeles - Ontario Intl. Airport (ONT)? > Start packing your bags, because round-trip flights from Ronald Reagan Washington National Airport (DCA) to Ontario Airport start from CA $446. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to Los Angeles - Ontario Intl. Airport (ONT)? > The majority of flights can be cancelled online, but whether or not you incur a fee all comes down to your airline. If you do need to cancel your trip, follow the easy instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from DCA to Los Angeles - Ontario Intl. Airport (ONT) that have flexible change policies? > Select our "No change fees" filter to find flexible ticketing options for your flight from DCA to ONT. This allows you to secure a great deal ahead of time and still have the freedom to make changes without any extra fees. Keep in mind that you'll need to cover the fare difference. ### How many hours is the flight from National Airport to Los Angeles - Ontario Intl. Airport (ONT)? > It takes roughly 7 hours and 14 minutes to fly from Ronald Reagan Washington National Airport (DCA) to Ontario Airport. But with some music and a magazine or two, the time will go by quicker. ### How far is the flight from DCA to ONT? > Expect to be cruising at altitude for a while, as the flight distance between National Airport and Ontario Airport is 3,600 kilometres. Put together a playlist of your favourite songs before leaving home to stay entertained during your flight. ### Which airlines fly direct from National Airport to Los Angeles - Ontario Intl. Airport (ONT)? > Direct flights aren't available, so you'll need to make at least one stop between DCA and Ontario Airport. Take advantage of the layover time to stretch your legs and enjoy some personal space. ### Are National Airport to Ontario Airport flight tickets cheaper when they're purchased at the last minute? > Booking your trip from DCA to Los Angeles - Ontario Intl. Airport (ONT) last minute could be your ticket to a great deal. However, it could end up costing a great deal more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia. ## Explore a world of travel with Expedia - Flights ### 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 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) - [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 Geneva to Ontario](https://www.expedia.ca/lp/flights/180003/2680/geneva-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) - [Flights from Lucciana to Ontario](https://www.expedia.ca/lp/flights/182080/2680/lucciana-to-ontario) - [Flights from Kathmandu to Ontario](https://www.expedia.ca/lp/flights/1938/2680/kathmandu-to-ontario) - [Flights from Ketchikan to Ontario](https://www.expedia.ca/lp/flights/1939/2680/ketchikan-to-ontario) - [Flights from North Platte to Ontario](https://www.expedia.ca/lp/flights/2017/2680/north-platte-to-ontario) - [Flights from Lebanon to Ontario](https://www.expedia.ca/lp/flights/2041/2680/lebanon-to-ontario) - [Flights from Lisbon to Ontario](https://www.expedia.ca/lp/flights/2080/2680/lisbon-to-ontario) - [Flights from Luton to Ontario](https://www.expedia.ca/lp/flights/2151/2680/luton-to-ontario) - [Flights from Ely to Ontario](https://www.expedia.ca/lp/flights/2191/2680/ely-to-ontario) - [Flights from McAllen to Ontario](https://www.expedia.ca/lp/flights/2270/2680/mcallen-to-ontario) - [Flights from Minto to Ontario](https://www.expedia.ca/lp/flights/2379/2680/minto-to-ontario) - [Flights from Minot to Ontario](https://www.expedia.ca/lp/flights/2392/2680/minot-to-ontario) - [Flights from Massena to Ontario](https://www.expedia.ca/lp/flights/2429/2680/massena-to-ontario) - [Flights from Montería to Ontario](https://www.expedia.ca/lp/flights/2444/2680/monteria-to-ontario) - [Flights from Manizales to Ontario](https://www.expedia.ca/lp/flights/2503/2680/manizales-to-ontario) - [Flights from Qiqihar to Ontario](https://www.expedia.ca/lp/flights/2537/2680/qiqihar-to-ontario) - [Flights from Napier to Ontario](https://www.expedia.ca/lp/flights/2593/2680/napier-to-ontario) - [Flights from Odesa to Ontario](https://www.expedia.ca/lp/flights/2639/2680/odesa-to-ontario) - [Flights from Oxnard to Ontario](https://www.expedia.ca/lp/flights/2725/2680/oxnard-to-ontario) - [Flights from Plattsburgh to Ontario](https://www.expedia.ca/lp/flights/2816/2680/plattsburgh-to-ontario) - [Flights from Presque Isle to Ontario](https://www.expedia.ca/lp/flights/2868/2680/presque-isle-to-ontario) - [Flights from Pevek to Ontario](https://www.expedia.ca/lp/flights/2915/2680/pevek-to-ontario) - [Flights from Ribeirao Preto to Ontario](https://www.expedia.ca/lp/flights/2940/2680/ribeirao-preto-to-ontario) - [Flights from Dexter to Ontario](https://www.expedia.ca/lp/flights/3000448346/2680/dexter-to-ontario) - [Flights from Singapore to Ontario](https://www.expedia.ca/lp/flights/3168/2680/singapore-to-ontario) - [Flights from Amman to Ontario](https://www.expedia.ca/lp/flights/375/2680/amman-to-ontario) - [Flights from Wroclaw to Ontario](https://www.expedia.ca/lp/flights/3820/2680/wroclaw-to-ontario) - [Flights from West Yellowstone to Ontario](https://www.expedia.ca/lp/flights/3846/2680/west-yellowstone-to-ontario) - [Flights from Dauphin to Ontario](https://www.expedia.ca/lp/flights/3923/2680/dauphin-to-ontario) - [Flights from Kelowna to Ontario](https://www.expedia.ca/lp/flights/3997/2680/kelowna-to-ontario) - [Flights from Powell River to Ontario](https://www.expedia.ca/lp/flights/4040/2680/powell-river-to-ontario) - [Flights from Deer Lake to Ontario](https://www.expedia.ca/lp/flights/4107/2680/deer-lake-to-ontario) - [Flights from Medicine Hat to Ontario](https://www.expedia.ca/lp/flights/4118/2680/medicine-hat-to-ontario) - [Flights from Manzanillo to Ontario](https://www.expedia.ca/lp/flights/4182/2680/manzanillo-to-ontario) - [Flights from Newman to Ontario](https://www.expedia.ca/lp/flights/4185/2680/newman-to-ontario) - [Flights from Aurillac to Ontario](https://www.expedia.ca/lp/flights/459/2680/aurillac-to-ontario) - [Flights from Forest Hill to Ontario](https://www.expedia.ca/lp/flights/553248634374477394/2680/forest-hill-to-ontario) - [Flights from Fort St. John to Ontario](https://www.expedia.ca/lp/flights/57378/2680/fort-st-john-to-ontario) - [Flights from Myrtle Beach to Ontario](https://www.expedia.ca/lp/flights/601685/2680/myrtle-beach-to-ontario) - [Flights from Wilmington to Ontario](https://www.expedia.ca/lp/flights/601746/2680/wilmington-to-ontario) - [Flights from Oakland to Ontario](https://www.expedia.ca/lp/flights/601762/2680/oakland-to-ontario) - [Flights from Krabi to Ontario](https://www.expedia.ca/lp/flights/602231/2680/krabi-to-ontario) - [Flights from Worcester to Ontario](https://www.expedia.ca/lp/flights/6023336/2680/worcester-to-ontario) - [Flights from Scranton to Ontario](https://www.expedia.ca/lp/flights/6023532/2680/scranton-to-ontario) - [Flights from St.-Pierre to Ontario](https://www.expedia.ca/lp/flights/6024035/2680/st-pierre-to-ontario) - [Flights from Norfolk - Virginia Beach to Ontario](https://www.expedia.ca/lp/flights/602904/2680/norfolk-virginia-beach-to-ontario) - [Flights from Swanton to Ontario](https://www.expedia.ca/lp/flights/6048172/2680/swanton-to-ontario) - [Flights from Incheon to Ontario](https://www.expedia.ca/lp/flights/6049715/2680/incheon-to-ontario) - [Flights from Colombier-Saugnieu to Ontario](https://www.expedia.ca/lp/flights/6050113/2680/colombier-saugnieu-to-ontario) - [Flights from Show Low to Ontario](https://www.expedia.ca/lp/flights/6054779/2680/show-low-to-ontario) - [Flights from Alamosa to Ontario](https://www.expedia.ca/lp/flights/6056801/2680/alamosa-to-ontario) - [Flights from Salisbury to Ontario](https://www.expedia.ca/lp/flights/6057491/2680/salisbury-to-ontario) - [Flights from Deer Lake - Corner Brook to Ontario](https://www.expedia.ca/lp/flights/6057678/2680/deer-lake-corner-brook-to-ontario) - [Flights from Castlegar to Ontario](https://www.expedia.ca/lp/flights/6058314/2680/castlegar-to-ontario) - [Flights from Topeka to Ontario](https://www.expedia.ca/lp/flights/6058365/2680/topeka-to-ontario) - [Flights from Chilliwack to Ontario](https://www.expedia.ca/lp/flights/6058408/2680/chilliwack-to-ontario) - [Flights from Lumberton to Ontario](https://www.expedia.ca/lp/flights/6058436/2680/lumberton-to-ontario) - [Flights from Mansfield to Ontario](https://www.expedia.ca/lp/flights/6059368/2680/mansfield-to-ontario) - [Flights from Brainerd to Ontario](https://www.expedia.ca/lp/flights/6059985/2680/brainerd-to-ontario) - [Flights from Sacheon to Ontario](https://www.expedia.ca/lp/flights/6084629/2680/sacheon-to-ontario) - [Flights from Mount Pleasant to Ontario](https://www.expedia.ca/lp/flights/6084665/2680/mount-pleasant-to-ontario) - [Flights from Winnipeg to Rancho Cucamonga](https://www.expedia.ca/lp/flights/6141041/7732/winnipeg-to-rancho-cucamonga) - [Flights from Lyon to Ontario](https://www.expedia.ca/lp/flights/6180797/2680/lyon-to-ontario) - [Flights from Burley to Ontario](https://www.expedia.ca/lp/flights/6471/2680/burley-to-ontario) - [Flights from Santa Cruz to Ontario](https://www.expedia.ca/lp/flights/6666/2680/santa-cruz-to-ontario) - [Flights from Beaumont to Ontario](https://www.expedia.ca/lp/flights/667/2680/beaumont-to-ontario) - [Flights from Gypsum to Ontario](https://www.expedia.ca/lp/flights/7367/2680/gypsum-to-ontario) - [Flights from Greeley to Ontario](https://www.expedia.ca/lp/flights/7545/2680/greeley-to-ontario) - [Flights from Cortez to Ontario](https://www.expedia.ca/lp/flights/810/2680/cortez-to-ontario) - [Flights from Chattanooga to Ontario](https://www.expedia.ca/lp/flights/827/2680/chattanooga-to-ontario) - [Flights from Karlovy Vary to Ontario](https://www.expedia.ca/lp/flights/8307/2680/karlovy-vary-to-ontario) - [Flights from Calama to Ontario](https://www.expedia.ca/lp/flights/847/2680/calama-to-ontario) - [Flights from Ogden to Ontario](https://www.expedia.ca/lp/flights/9180/2680/ogden-to-ontario) - [Flights from Okushiri to Ontario](https://www.expedia.ca/lp/flights/9189/2680/okushiri-to-ontario) - [Flights from Cusco to Ontario](https://www.expedia.ca/lp/flights/941/2680/cusco-to-ontario) - [Flights from Scottsdale to Ontario](https://www.expedia.ca/lp/flights/9829/2680/scottsdale-to-ontario) - [Flights from Toronto (YYZ) to Los Angeles (LAX)](https://www.expedia.ca/lp/flights/yyz/lax/toronto-to-los-angeles) \*Available to Expedia members.