Title: Cheap Flights from Ontario (ONT) to Ithaca (ITH) - Expedia.ca ![](https://images.trvl-media.com/place/6056124/42732ffa-b40b-41ed-805e-2df561029823.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6056124/42732ffa-b40b-41ed-805e-2df561029823.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Ithaca (ITH) - [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 Ithaca, NY (ITH-Tompkins Regional) - ![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:ith,departure:20/11/2025TANYT&leg2=from:ith,to:ont,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:ith,departure:20/11/2025TANYT&leg2=from:ith,to:ont,departure:27/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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) ## Frequently asked questions ### How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Ithaca Tompkins Intl. Airport? > Start packing your suitcase, because round-trip flights from Ontario Airport to ITH start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to score 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 Ontario Airport to ITH? > This can differ between airlines, as each has its own set of terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where you'll find instructions on how to cancel online. ### How do I find cheap flights from Ontario Airport to Ithaca Tompkins Intl. Airport that have flexible change policies? > Flights from ONT to ITH offering flexible change policies are available from several carriers. Simply use our "No change fees" filter while searching. You'll only need to cover the difference in ticket price, with no additional fees to worry about. ### How far is the flight from ONT to ITH? > It's around 3,700 kilometres from ONT to ITH, so you'll be up in the air for a while. Keep yourself occupied with things like a magazine or a thrilling novel. ### Which airlines fly direct from ONT to ITH? > If you want to travel straight from Los Angeles - Ontario Intl. Airport (ONT) to Tompkins Regional Airport (ITH), you'll have to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports. ### Are Los Angeles - Ontario Intl. Airport (ONT) to ITH flight tickets cheaper when they're purchased at the last minute? > It is possible to get a great last-minute deal from Ontario Airport to Tompkins Regional Airport (ITH), but it can also be hit-or-miss. As many airlines advertise prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can be sure you're always seeing the latest offers. ## Travel information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Tompkins Regional | | Distance | 3651 km | ## Book with confidence ### Los Angeles to Ithaca Flights **The easy way to book your flights from Ontario to Ithaca**  With Expedia, it’s simple to find and book flights to Ithaca 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 Tompkins Regional, 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 Ithaca today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Tompkins Regional, ITH**  Sort your search results by price to find great deals on your flight from Ontario to Ithaca—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ithaca 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 Ithaca   - 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 Ithaca 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. 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