Title: Cheap Flights from Ontario (ONT) to West Yellowstone (WYS) - Expedia.ca ![](https://images.trvl-media.com/place/3846/dc0418b1-c0c1-404a-bda2-d893ca0f8ed3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3846/dc0418b1-c0c1-404a-bda2-d893ca0f8ed3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to West Yellowstone (WYS) - [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 West Yellowstone, MT (WYS-Yellowstone) - ![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:wys,departure:16/10/2025TANYT&leg2=from:wys,to:ont,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![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) Flight from Ontario to West Yellowstone (ONT - WYS) route information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Yellowstone | | Distance | 1298 km | ## Los Angeles to West Yellowstone Flights **The easy way to book your flights from Ontario to West Yellowstone**  With Expedia, it’s simple to find and book flights to West Yellowstone 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 Yellowstone, 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 West Yellowstone today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Yellowstone, WYS**  Sort your search results by price to find great deals on your flight from Ontario to West Yellowstone—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to West Yellowstone 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 West Yellowstone   - 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 West Yellowstone 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 West Yellowstone with Expedia today. ## Frequently asked questions ### How much is a flight from Ontario Airport to Yellowstone Airport? > Start packing your bags, because round-trip journeys from Ontario Airport to Yellowstone Airport start from . That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to lock in 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 Yellowstone Airport? > This can differ between air carriers, as each one has its own terms and conditions. Head to the [Customer Service Portal](https://www.expedia.ca/helpcenter), where there are easy-to-follow instructions on how to cancel online. ### How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Yellowstone Airport (WYS) that have flexible change policies? > Use our "No change fees" filter to find flexible travel options for your flight from Ontario Airport to Yellowstone Airport. This allows you to snag a fantastic price ahead of time and still have the freedom to reschedule without any additional fees. Keep in mind that you'll need to cover the fare difference. ### How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Yellowstone Airport (WYS)? > The flight distance from ONT (ONT) to Yellowstone Airport (WYS) (WYS) is only 1,300 kilometres. You'll be stepping off the plane and grabbing your suitcase from the carousel in no time at all. ### Which airlines fly direct from Ontario Airport to WYS? > There are no direct flights, so you'll have to make at least one stop between Ontario Airport and Yellowstone Airport (WYS). Use the layover time to stretch your legs and enjoy some personal space. ### Are ONT to WYS flight tickets cheaper when they're purchased at the last minute? > Airline tickets from ONT to Yellowstone Airport (WYS) are available up to a year before departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials. ## Explore a world of travel with Expedia - Flights ### Flights - [Flights from Great Falls to West Yellowstone](https://www.expedia.ca/lp/flights/1392/3846/great-falls-to-west-yellowstone) - [Flights from International Falls to West Yellowstone](https://www.expedia.ca/lp/flights/1601/3846/international-falls-to-west-yellowstone) - [Flights from Austin to West Yellowstone](https://www.expedia.ca/lp/flights/178234/3846/austin-to-west-yellowstone) - [Flights from Calgary to West Yellowstone](https://www.expedia.ca/lp/flights/178245/3846/calgary-to-west-yellowstone) - [Flights from Chicago to West Yellowstone](https://www.expedia.ca/lp/flights/178248/3846/chicago-to-west-yellowstone) - [Flights from Denver to West Yellowstone](https://www.expedia.ca/lp/flights/178254/3846/denver-to-west-yellowstone) - [Flights from Houston to West Yellowstone](https://www.expedia.ca/lp/flights/178265/3846/houston-to-west-yellowstone) - 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