Title: Cheap Flights from Ontario (ONT) to Rochester (ROC) - Expedia.ca ![Pont de Rennes Bridge which includes a city, landscape views and a bridge](https://images.trvl-media.com/place/553248621567596135/54136b7a-ca97-43c6-9b09-43690600b218.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/553248621567596135/54136b7a-ca97-43c6-9b09-43690600b218.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Rochester (ROC) - [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 Los Angeles - Ontario Intl. Airport (ONT) to Greater Rochester Intl. Airport (ROC) - ![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:ont,to:roc,departure:20/11/2025TANYT&leg2=from:roc,to:ont,departure:27/11/2025TANYT&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:ont,to:roc,departure:20/11/2025TANYT&leg2=from:roc,to:ont,departure:27/11/2025TANYT&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:ont,to:roc,departure:20/11/2025TANYT&leg2=from:roc,to:ont,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:ont,to:roc,departure:20/11/2025TANYT&leg2=from:roc,to:ont,departure:27/11/2025TANYT&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:ont,to:roc,departure:20/11/2025TANYT&leg2=from:roc,to:ont,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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) ## Find the cheapest month to fly from Ontario (ONT) to Rochester (ROC) ### April is typically the cheapest month to fly From CA $331 - CA $1,540 per traveller. Flight from Ontario to Rochester (ONT - ROC) route information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Greater Rochester Intl. | | Distance | 3555 km | ## Los Angeles to Rochester Flights **The easy way to book your flights from Ontario to Rochester**  With Expedia, it’s simple to find and book flights to Rochester from Ontario whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Greater Rochester 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 Ontario to Rochester today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Greater Rochester Intl., ROC**  Sort your search results by price to find great deals on your flight from Ontario to Rochester—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Rochester from Ontario currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Rochester   - 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 Rochester from Ontario**  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 Rochester with Expedia today. ## Frequently asked questions ### How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Greater Rochester Intl. Airport (ROC)? > Round-trip tickets from Los Angeles - Ontario Intl. Airport (ONT) to ROC start from . This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Los Angeles - Ontario Intl. Airport (ONT) to ROC? > We get that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Greater Rochester Intl. Airport (ROC) that have flexible change policies? > Flights from ONT to Greater Rochester Intl. Airport offering flexible change policies are available from several airlines. Simply use our "No change fees" filter when searching. You'll only need to cover the difference in ticket price, with no extra fees to worry about. ### How many hours is the flight from Ontario Airport to Greater Rochester Intl. Airport (ROC)? > It takes roughly 5 hours and 44 minutes to get from Ontario Airport to Greater Rochester Intl. Airport. But with your favourite playlist and a magazine or two, the hours will go by quicker. ### How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Greater Rochester Intl. Airport (ROC)? > The flight distance between ONT and Greater Rochester Intl. Airport is 3,600 kilometres. Close your eyes or read a good book and the trip will zip by. ### Which airlines fly direct from ONT to Greater Rochester Intl. Airport? > You won't find any airlines flying directly between Los Angeles - Ontario Intl. Airport (ONT) and Greater Rochester Intl. Airport (ROC), so be ready to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip! ### Are Ontario Airport to ROC flight tickets cheaper when they're purchased at the last minute? > Booking last minute from Ontario Airport to Greater Rochester Intl. Airport (ROC) can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd rather start planning your trip ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines publish their prices so far in advance. Our top tip? Check back often as updates are made frequently. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Austin to Northwest Rochester](https://www.expedia.ca/lp/flights/178234/6349428/austin-to-northwest-rochester) - [Flights from Charlotte to Seneca Lake](https://www.expedia.ca/lp/flights/178247/6056138/charlotte-to-seneca-lake) - [Flights from Dallas to Northwest Rochester](https://www.expedia.ca/lp/flights/178253/6349428/dallas-to-northwest-rochester) - [Flights from Denver to Northwest Rochester](https://www.expedia.ca/lp/flights/178254/6349428/denver-to-northwest-rochester) - [Flights from Detroit to Seneca Lake](https://www.expedia.ca/lp/flights/178255/6056138/detroit-to-seneca-lake) - [Flights from Las Vegas to Northwest Rochester](https://www.expedia.ca/lp/flights/178276/6349428/las-vegas-to-northwest-rochester) - [Flights from Los Angeles to Northwest Rochester](https://www.expedia.ca/lp/flights/178280/6349428/los-angeles-to-northwest-rochester) - [Flights from Miami to Northwest Rochester](https://www.expedia.ca/lp/flights/178286/6349428/miami-to-northwest-rochester) - 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