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$309+ Cheap flights from Blountville to Ontario (TRI - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — ONT
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Blountville to Ontario

Cheapest flights from Blountville to Ontario
Explore the most affordable flight options available from Blountville to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:49 pm
TRI
-
ONT
1 stop8h 12m
Delta
Fri 8/2810:59 pm
ONT
-
TRI
1 stop7h 36m
Delta
Deal found 1/20$309
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/264:15 pm
TRI
-
ONT
1 stop9h 15m
American Airlines
Mon 3/3011:59 pm
ONT
-
TRI
1 stop7h 44m
American Airlines
Deal found 1/20$359
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/204:28 pm
TRI
-
ONT
1 stop8h 46m
American Airlines
Sat 8/2912:47 pm
ONT
-
TRI
1 stop7h 00m
American Airlines
Deal found 1/20$450
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
TRI
-
ONT
1 stop9h 18m
American Airlines
Mon 4/2011:29 pm
ONT
-
TRI
1 stop7h 22m
American Airlines
Deal found 1/20$539
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1712:49 pm
TRI
-
ONT
1 stop8h 26m
Delta
Mon 5/2510:59 pm
ONT
-
TRI
1 stop7h 36m
Delta
Deal found 1/20$744

Find flight deals from Blountville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Blountville (TRI) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$359
(American Airlines)

Popular in

March

Cheapest in

February
Provider with most accurate pricing for Blountville Tri Cities TN/VA-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Blountville Tri Cities TN/VA-Ontario flights.
Search Deals
From Blountville Tri Cities TN/VA to Ontario
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Blountville to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Blountville to Ontario that are best for you.

Fly from

Blountville

Fly to

Ontario

Route

Depart

Return

Price

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Thu 3/26

4:15 pm-10:30 pm

1 stop9h 15m

Ontario

Mon 3/30

11:59 pm-10:43 am

1 stop7h 44m

$359

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Thu 4/16

7:00 am-1:18 pm

1 stop9h 18m

Ontario

Mon 4/20

11:29 pm-9:51 am

1 stop7h 22m

$539

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Sun 5/17

12:49 pm-6:15 pm

1 stop8h 26m

Ontario

Mon 5/25

10:59 pm-9:35 am

1 stop7h 36m

$744

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from Blountville to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Blountville to Ontario in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Blountville-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Blountville-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Blountville-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Blountville-Ontario flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Blountville-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Blountville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Blountville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Blountville to Ontario

What is the cheapest month to book a flight from Blountville to Ontario?

Currently, March is the cheapest month in which you can book a flight from Blountville to Ontario (average of $248). Flying from Blountville to Ontario in January is currently the most expensive (average of $296). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated January 21, 2026.
Read through reviews of airlines operating flights from Blountville to Ontario, such as Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,089 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,089 reviews
Delta
7.9
Good
8,089 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Blountville to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Blountville to Ontario?

    Airlines like American Airlines fly from Blountville to Ontario in about 9h 15m. The time it takes to get you to your destination can typically vary by up to . Blountville and Ontario are separated by a distance of 1980 mi.

  • Can I find deals for flights from Blountville to Ontario that include hotel bookings?

    Yes. In addition to deals on Blountville to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Blountville to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Blountville to Ontario.

  • Can I find deals for business class flights from Blountville to Ontario?

    Yes. Cheapflights offers flight deals from Blountville to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Blountville to Ontario?

    Currently, March is the cheapest month in which you can book a flight from Blountville to Ontario (average of $248). Flying from Blountville to Ontario in January is currently the most expensive (average of $296). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Blountville to Ontario

Discover the top airline that operate flights from Blountville to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$299Average$418FlexibilityNo cancel feeOn-timeN/A

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