Title: Cheap Flights from Ontario (ONT) to Tri-Cities (TRI) - Expedia.ca ![Tri-Cities showing street scenes and a festival as well as a couple](https://images.trvl-media.com/place/6023345/09558f37-fa95-44de-b26c-758a878ddaa4.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Tennessee Department of Tourist Development ![](https://images.trvl-media.com/place/6023345/09558f37-fa95-44de-b26c-758a878ddaa4.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Tri-Cities (TRI) - [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 Tri-Cities, TN (TRI-Tri-Cities Regional) - ![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:tri,departure:11/11/2025TANYT&leg2=from:tri,to:ont,departure:18/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:tri,departure:11/11/2025TANYT&leg2=from:tri,to:ont,departure:18/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) ![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 Blountville (TRI) ### February is typically the cheapest month to fly From CA $421 - CA $1,086 per traveller. ## Frequently asked questions ### How much is a flight from ONT to TRI? > Round-trip tickets from Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport start from . This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP so you don't miss 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 ONT to TRI? > When it comes to cancellation fees, each airline has its own terms and conditions. If you decide to cancel your trip, head to our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Ontario Airport to Tri-Cities Regional Airport (TRI) that have flexible change policies? > Many airlines will allow you to move your flight without charging a fee. All you pay is the difference in the ticket price. When searching for Los Angeles - Ontario Intl. Airport (ONT) to Tri-Cities Airport flights, you'll find a "No change fees" filter for you to select. ### How many hours is the flight from ONT to TRI? > The flight time between Los Angeles - Ontario Intl. Airport (ONT) and Tri-Cities Airport is 5 hours and 15 minutes. If you get peckish on longer flights, pack some snacks in your cabin baggage. ### How far is the flight from Ontario Airport to Tri-Cities Airport? > Around 3,200 kilometres separates Ontario and Blountville, so pack some in-flight entertainment to keep you busy for a few hours. That thrilling novel you haven't had time to start will be perfect. ### Which airlines fly direct from ONT to Tri-Cities Regional Airport (TRI)? > You won't find any airlines flying directly between Ontario Airport and TRI, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip! ### Are ONT to Tri-Cities Airport flight tickets cheaper when they're purchased at the last minute? > Late planners can sometimes nab a bargain, with some of the cheapest airfares from ONT to Tri-Cities Airport cropping up a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines publish prices so far in advance. ## Travel information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Tri-Cities Regional | | Distance | 3168 km | ## Book with confidence ### Los Angeles to Blountville Flights **The easy way to book your flights from Ontario to Tri-Cities**  With Expedia, it’s simple to find and book flights to Tri-Cities 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 Tri-Cities 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 Tri-Cities today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Tri-Cities Regional, TRI**  Sort your search results by price to find great deals on your flight from Ontario to Tri-Cities—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Tri-Cities 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 Tri-Cities   - 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 Tri-Cities 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 Tri-Cities with Expedia today. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - [B&B in Tri-Cities](https://www.expedia.ca/Tri-Cities-Bed-And-Breakfast.d6023345-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Cabin Rentals in Tri-Cities](https://www.expedia.ca/Tri-Cities-Cabins.d6023345-aaCabins.Travel-Guide-Accommodation) - [Condo Resorts in Tri-Cities](https://www.expedia.ca/Tri-Cities-Condominium-Resort.d6023345-aaCondominiumResort.Travel-Guide-Accommodation) - [Cheap Hotels in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Cheap-Hotels.0-0-d6023345-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels & Resorts for Couples in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Couples-Resorts-Hotels.0-0-d6023345-tCouplesResortsHotels.Travel-Guide-Filter-Hotels) - [Historic Hotels in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Historic-Hotel.0-0-d6023345-tHistoricHotel.Travel-Guide-Filter-Hotels) - [Hotels with a Pool in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Hotel-With-Pool.0-0-d6023345-tHotelwithPool.Travel-Guide-Filter-Hotels) - [Hotels with Free Airport Shuttle in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Hotels-With-Free-Airport-Shuttle.0-0-d6023345-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Hotels-With-Hot-Tubs.0-0-d6023345-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Hotels with an Indoor Pool in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Hotels-With-Indoor-Pool.0-0-d6023345-tHotelswithIndoorPool.Travel-Guide-Filter-Hotels) - [Hotels with Kitchenettes in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Hotels-With-Kitchenettes.0-0-d6023345-tHotelswithKitchenettes.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Luxury-Hotel.0-0-d6023345-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Pet-Friendly-Hotel.0-0-d6023345-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Romantic Hotels in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Romantic-Hotel.0-0-d6023345-tRomanticHotel.Travel-Guide-Filter-Hotels) - [Spa Hotels in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Spa-Hotel.0-0-d6023345-tSpaHotel.Travel-Guide-Filter-Hotels) - [Winery Hotels in Tri-Cities](https://www.expedia.ca/Tri-Cities-Hotels-Winery-Hotel.0-0-d6023345-tWineryHotel.Travel-Guide-Filter-Hotels) - [Tri-Cities Hotels](https://www.expedia.ca/Tri-Cities-Hotels.d6023345.Travel-Guide-Hotels) - [Lodges in Tri-Cities](https://www.expedia.ca/Tri-Cities-Lodges.d6023345-aaLodges.Travel-Guide-Accommodation) - [Motels in Tri-Cities](https://www.expedia.ca/Tri-Cities-Motels.d6023345-aaMotels.Travel-Guide-Accommodation) - [Flights to Tri-Cities](https://www.expedia.ca/Cheap-Flights-To-Tri-Cities.d6023345.Travel-Guide-Flights) - [Flights from Atlanta to Tri-Cities](https://www.expedia.ca/lp/flights/178232/6023345/atlanta-to-tri-cities) - [Flights from Austin to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/178234/601691/austin-to-gatlinburg-pigeon-forge) - [Flights from Austin to Gatlinburg](https://www.expedia.ca/lp/flights/178234/7474/austin-to-gatlinburg) - [Flights from Boston to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/178239/601691/boston-to-gatlinburg-pigeon-forge) - [Flights from Charlotte to Gatlinburg](https://www.expedia.ca/lp/flights/178247/7474/charlotte-to-gatlinburg) - [Flights from Chicago to Gatlinburg](https://www.expedia.ca/lp/flights/178248/7474/chicago-to-gatlinburg) - [Flights from Denver to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/178254/601691/denver-to-gatlinburg-pigeon-forge) - [Flights from Detroit to Tri-Cities](https://www.expedia.ca/lp/flights/178255/6023345/detroit-to-tri-cities) - [Flights from Detroit to Gatlinburg](https://www.expedia.ca/lp/flights/178255/7474/detroit-to-gatlinburg) - [Flights from Houston to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/178265/601691/houston-to-gatlinburg-pigeon-forge) - [Flights from Indianapolis to Gatlinburg](https://www.expedia.ca/lp/flights/178266/7474/indianapolis-to-gatlinburg) - [Flights from Memphis to Gatlinburg](https://www.expedia.ca/lp/flights/178284/7474/memphis-to-gatlinburg) - [Flights from Miami to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/178286/601691/miami-to-gatlinburg-pigeon-forge) - [Flights from Minneapolis - St. Paul to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/178287/601691/minneapolis-st-paul-to-gatlinburg-pigeon-forge) - [Flights from Nashville to Tri-Cities](https://www.expedia.ca/lp/flights/178291/6023345/nashville-to-tri-cities) - [Flights from Nashville to Gatlinburg](https://www.expedia.ca/lp/flights/178291/7474/nashville-to-gatlinburg) - [Flights from New Orleans to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/178292/601691/new-orleans-to-gatlinburg-pigeon-forge) - [Flights from New York to Tri-Cities](https://www.expedia.ca/lp/flights/178293/6023345/new-york-to-tri-cities) - [Flights from Orlando to Tri-Cities](https://www.expedia.ca/lp/flights/178294/6023345/orlando-to-tri-cities) - [Flights from Ottawa to Tri-Cities](https://www.expedia.ca/lp/flights/178296/6023345/ottawa-to-tri-cities) - [Flights from Philadelphia to Gatlinburg](https://www.expedia.ca/lp/flights/178297/7474/philadelphia-to-gatlinburg) - [Flights from Portland to Tri-Cities](https://www.expedia.ca/lp/flights/178299/6023345/portland-to-tri-cities) - [Flights from Seattle to Gatlinburg](https://www.expedia.ca/lp/flights/178307/7474/seattle-to-gatlinburg) - [Flights from St. Louis to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/178309/601691/st-louis-to-gatlinburg-pigeon-forge) - [Flights from Toronto to Tri-Cities](https://www.expedia.ca/lp/flights/178314/6023345/toronto-to-tri-cities) - [Flights from Toronto to Gatlinburg](https://www.expedia.ca/lp/flights/178314/7474/toronto-to-gatlinburg) - [Flights from Vancouver to Tri-Cities](https://www.expedia.ca/lp/flights/178315/6023345/vancouver-to-tri-cities) - [Flights from Düsseldorf to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/180001/601691/dusseldorf-to-gatlinburg-pigeon-forge) - [Flights from Québec City to Gatlinburg](https://www.expedia.ca/lp/flights/180017/7474/quebec-city-to-gatlinburg) - [Flights from Lynchburg to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/2187/601691/lynchburg-to-gatlinburg-pigeon-forge) - [Flights from Omaha to Gatlinburg](https://www.expedia.ca/lp/flights/2670/7474/omaha-to-gatlinburg) - [Flights from Pittsburgh to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/601717/601691/pittsburgh-to-gatlinburg-pigeon-forge) - [Flights from Fort Lauderdale to Tri-Cities](https://www.expedia.ca/lp/flights/601750/6023345/fort-lauderdale-to-tri-cities) - [Flights from Birmingham to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/6023342/601691/birmingham-to-gatlinburg-pigeon-forge) - [Flights from Tri-Cities](https://www.expedia.ca/lp/flights/6023345/flights-from-tri-cities) - [Flights from Boise to Tri-Cities](https://www.expedia.ca/lp/flights/602998/6023345/boise-to-tri-cities) - [Flights from Asheville to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/6034866/601691/asheville-to-gatlinburg-pigeon-forge) - [Flights from Greenville - Spartanburg to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/6035267/601691/greenville-spartanburg-to-gatlinburg-pigeon-forge) - [Flights from Newport News to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/6056964/601691/newport-news-to-gatlinburg-pigeon-forge) - [Flights from Charleston to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/6057101/601691/charleston-to-gatlinburg-pigeon-forge) - [Flights from Greensburg to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/6057627/601691/greensburg-to-gatlinburg-pigeon-forge) - [Flights from Bristol to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/688/601691/bristol-to-gatlinburg-pigeon-forge) - [Flights from Decatur to Gatlinburg - Pigeon Forge](https://www.expedia.ca/lp/flights/992/601691/decatur-to-gatlinburg-pigeon-forge) - [Flights from Asheville (AVL) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/avl/gkt/asheville-to-gatlinburg) - [Flights from Charlotte (CLT) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/clt/gkt/charlotte-to-gatlinburg) - [Flights from Detroit (DTW) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/dtw/gkt/detroit-to-gatlinburg) - [Flights from Flint (FNT) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/fnt/gkt/flint-to-gatlinburg) - [Flights from Houston (HOU) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/hou/gkt/houston-to-gatlinburg) - [Flights from Niagara Falls (IAG) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/iag/tys/niagara-falls-to-knoxville) - [Flights from Houston (IAH) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/iah/gkt/houston-to-gatlinburg) - [Flights from Indianapolis (IND) to Morristown (MOR)](https://www.expedia.ca/lp/flights/ind/mor/indianapolis-to-morristown) - [Flights from Los Angeles (LAX) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/lax/tys/los-angeles-to-knoxville) - [Flights from London (LOZ) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/loz/gkt/london-to-gatlinburg) - [Flights from Orlando (MCO) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/mco/gkt/orlando-to-gatlinburg) - [Flights from Memphis (MEM) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/mem/gkt/memphis-to-gatlinburg) - [Flights from Minneapolis (MSP) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/msp/tys/minneapolis-to-knoxville) - [Flights from Ogdensburg (OGS) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/ogs/tys/ogdensburg-to-knoxville) - [Flights from Oklahoma City (OKC) to Morristown (MOR)](https://www.expedia.ca/lp/flights/okc/mor/oklahoma-city-to-morristown) - [Flights from Philadelphia (PHL) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/phl/gkt/philadelphia-to-gatlinburg) - [Flights from Pittsburgh (PIT) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/pit/gkt/pittsburgh-to-gatlinburg) - [Flights from Plattsburgh (PLB) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/plb/gkt/plattsburgh-to-gatlinburg) - [Flights from Tallahassee (TLH) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/tlh/gkt/tallahassee-to-gatlinburg) - [Flights from Fredericton (YFC) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/yfc/tys/fredericton-to-knoxville) - [Flights from Kitchener (YKF) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/ykf/tys/kitchener-to-knoxville) - [Flights from Kelowna (YLW) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/ylw/tys/kelowna-to-knoxville) - [Flights from Moncton (YQM) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/yqm/tys/moncton-to-knoxville) - [Flights from Thunder Bay (YQT) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/yqt/tys/thunder-bay-to-knoxville) - [Flights from Montreal (YUL) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/yul/gkt/montreal-to-gatlinburg) - [Flights from Vancouver (YVR) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/yvr/gkt/vancouver-to-gatlinburg) - [Flights from Abbotsford (YXX) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/yxx/tys/abbotsford-to-knoxville) - [Flights from Calgary (YYC) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/yyc/gkt/calgary-to-gatlinburg) - [Flights from Charlottetown (YYG) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/yyg/tys/charlottetown-to-knoxville) - [Flights from Victoria (YYJ) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/yyj/tys/victoria-to-knoxville) - [Flights from St. John's (YYT) to Knoxville (TYS)](https://www.expedia.ca/lp/flights/yyt/tys/st-johns-to-knoxville) - [Flights from Toronto (YYZ) to Gatlinburg (GKT)](https://www.expedia.ca/lp/flights/yyz/gkt/toronto-to-gatlinburg) - [Tri-Cities Vacations](https://www.expedia.ca/Tri-Cities.d6023345.Destination-Travel-Guides) - [Visit Tri-Cities](https://www.expedia.ca/Tri-Cities.dx6023345) - [Car rentals near Tri-Cities](https://www.expedia.ca/Car-Rentals-In-Tri-Cities.d6023345.Car-Rental-Guide) - [Full-Size Car Rentals in Tri-Cities](https://www.expedia.ca/Fullsize-Car-Rentals-In-Tri-Cities.d6023345-tFullsize.Car-Rental-Guide-Class) - [Tri-Cities Vacation Rentals](https://www.expedia.ca/Tri-Cities-Vacation-Rentals.d6023345.Travel-Guide-VacationRentals) \*Available to Expedia members.