$148 Cheap Flights from Tri-Cities (TRI) to Ontario (ONT)

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Cheap Flights from Tri-Cities to Ontario (TRI-ONT)

Prices were available within the past 7 days and start at $148 for one-way flights and $295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
American Airlines
Delta
Delta
American Airlines
American Airlines
American Airlines
Delta
Delta
American Airlines
Flights from Tri-Cities (TRI) to Ontario (ONT)
Origin airport
Tri-Cities Regional
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
$295
Distance
1980 mi

Tri-Cities to Ontario Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Tri-Cities to Ontario offer the perfect respite. Not only does exploring Ontario provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Tri-Cities to Ontario may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Ontario are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Ontario more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Ontario is $148 now!

Frequently asked questions

How much is a one-way flight from Tri-Cities Regional Airport (TRI) to Ontario Airport?
You can score one-way Blountville flights to Ontario starting from $304. This is based on the cheapest fare found on Expedia for this route departing within the next three months and was last updated on May 23 2024 and has not changed since. This particular fare is for an Delta flight, leaving from Tri-Cities Regional Airport (TRI) on June 18 2024 and touching down at ONT.
Is it cheaper to buy a plane ticket from TRI to ONT last minute?
Being a spontaneous soul is a wonderful way to explore the world, but it isn’t necessarily the smartest method to track down a cheap airfare. Consider booking your TRI to ONT trip well in advance rather than waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave all that spontaneity for when you get to your destination!
What is the cheapest airline flying from Tri-Cities Regional Airport (TRI) to Los Angeles - Ontario Intl. Airport (ONT) in the next 90 days?
With plane tickets from $304 for a flight from Blountville to Ontario, Delta is the cheapest airline found on Expedia. This price is based on airfares found on Expedia with a departure date within the next 90 days and was last updated on May 23 2024 and has not changed since. The flight leaves Tri-Cities Airport on June 18 2024 and lands at Ontario Airport.
What's the cheapest price for a flight from Tri-Cities Airport to ONT next month?
With a one-way flight from Blountville to Ontario coming in at just $579, you’ll have extra cash to spare for cool stuff like sightseeing. This ticket price was found after searching all available flights on Expedia within the next 30 days. This particular service sets off from TRI on June 4 2024, arrives at Ontario Airport and is operated by Delta. This price was last updated on June 3 2024 and has not changed since.
What airports do you fly into for Los Angeles from Blountville?
Los Angeles - Ontario Intl. Airport (ONT), John Wayne Airport (SNA) and Long Beach Municipal Airport (LGB) are your choices when jetting from Blountville to Los Angeles. Roughly 40 mi east of central Los Angeles, Los Angeles - Ontario Intl. Airport (ONT) is the city’s main hub. Keep in mind factors such as flight arrival and departure times and the distance to your hotel before choosing your airport. University of Southern California and Hollywood Walk of Fame are a couple of fantastic attractions to put on your to-do list when you arrive.
Can I change the date of my flight from Tri-Cities Regional Airport (TRI) to Ontario Airport?
Easily make changes to your TRI to Los Angeles - Ontario Intl. Airport (ONT) flight by logging in to the Expedia Trips portal. But before you make any adjustments, read the ticket rules in your itinerary to see what the airline will let you do and if any charges apply. Some airlines have a change fee per person, plus any difference in fare prices. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also stop by our Customer Service portal to find the answers to your questions and to chat with our Virtual Agent.
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