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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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — ONT
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
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 February 27, 2026.

This Delta deal was found by Cheapflights users on 2/23. 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.
Fri 3/273:53 pm
TRI
-
ONT
1 stop8h 07m
Delta
Sat 4/410:25 pm
ONT
-
TRI
1 stop8h 27m
Delta
Deal found 2/23$309
This Delta deal was found by Cheapflights users on 2/24. 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.
Fri 3/203:53 pm
TRI
-
ONT
1 stop8h 07m
Delta
Wed 3/2510:25 pm
ONT
-
TRI
1 stop8h 25m
Delta
Deal found 2/24$494
This United Airlines deal was found by Cheapflights users on 2/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am
TRI
-
ONT
2 stops18h 59m
United Airlines
Wed 9/27:00 am
ONT
-
TRI
1 stop24h 20m
United Airlines
Deal found 2/26$766
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Fri 3/275:30 am
TRI
-
ONT
2 stops13h 52m
American Airlines
Sat 4/47:00 am
ONT
-
TRI
2 stops11h 29m
American Airlines
Deal found 2/24$770

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 February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

Popular in

March

Cheapest in

July

Average price

$392
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. 23% potential increase in price ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 27, 2026.
Use the filters below to find and compare flights from Blountville to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Fri 3/27

3:53 pm-9:00 pm

1 stop8h 07m

Ontario

Sat 4/4

10:25 pm-9:52 am

1 stop8h 27m

$309

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Fri 3/20

3:53 pm-9:00 pm

1 stop8h 07m

Ontario

Wed 3/25

10:25 pm-9:50 am

1 stop8h 25m

$494

BlountvilleOntario

TRI - ONT

TRIONT

Blountville Tri Cities TN/VA

Fri 3/27

5:30 am-4:22 pm

2 stops13h 52m

Ontario

Sat 4/4

7:00 am-9:29 pm

2 stops11h 29m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Sorted by cheapest first

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 FlightHub the most. FlightHub 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, April is the cheapest month in which you can book a flight from Blountville to Ontario (average of $247). 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 February 27, 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
8,242 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.2

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
8,242 reviews
Delta
7.9
Good
8,242 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Food

7.2

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 Delta fly from Blountville to Ontario in about 8h 07m. 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, April is the cheapest month in which you can book a flight from Blountville to Ontario (average of $247). 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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$299Average$418FlexibilityNo cancel feeOn-timeN/A

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