$359+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — ONT
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Blountville to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Blountville to Ontario
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Best
Last-minute
One-way
Cheapest flights from Blountville to OntarioExplore 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 September 7, 2026.
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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 10/14:07 pm -
1 stop9h 17m
Mon 10/510:00 pm -
1 stop8h 26m
Deal found 9/3![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 9/4. 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 10/256:00 am -
1 stop8h 06m
Mon 11/911:10 pm -
1 stop7h 18m
Deal found 9/4![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/3. 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 11/196:43 am -
1 stop9h 36m
Sun 11/2210:30 pm -
1 stop9h 13m
Deal found 9/3![American Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/15:31 pm -
1 stop9h 05m
Mon 10/510:25 am -
2 stops10h 15m
Deal found 9/4![American Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/115:31 pm -
1 stop8h 06m
Sun 9/1312:37 pm -
1 stop7h 12m
Deal found 9/5![American Airlines logo]()
$587
Best flights from Blountville to OntarioDiscover carefully curated flight deals from Blountville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Blountville to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/15:31 pm -
1 stop9h 05m
Mon 10/511:10 pm -
1 stop9h 39m
Deal found 9/4![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/3. 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 10/14:07 pm -
1 stop9h 17m
Mon 10/510:00 pm -
1 stop8h 26m
Deal found 9/3![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 9/4. 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 10/256:00 am -
1 stop8h 06m
Mon 11/911:10 pm -
1 stop7h 18m
Deal found 9/4![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 9/3. 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 11/192:39 pm -
2 stops10h 13m
Sun 11/2210:30 pm -
1 stop9h 13m
Deal found 9/3![American Airlines logo]()
$574
This Delta deal was found by Cheapflights users on 9/3. 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 11/196:00 am -
2 stops14h 19m
Sun 11/227:00 am -
2 stops12h 28m
Deal found 9/3![Delta logo]()
$676
Last-minute flights from Blountville to OntarioDiscover last-minute flight deals from Blountville to Ontario. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Blountville to Ontario. Data last updated September 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/115:31 pm -
1 stop8h 06m
Sun 9/1312:37 pm -
1 stop7h 12m
Deal found 9/5![American Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 9/2. 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 10/14:07 pm -
1 stop9h 17m
Mon 10/510:00 pm -
1 stop8h 26m
Deal found 9/2![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/15:31 pm -
1 stop9h 05m
Mon 10/510:25 am -
2 stops10h 15m
Deal found 9/4![American Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 9/4. 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 10/256:00 am -
1 stop8h 06m
Mon 11/911:10 pm -
1 stop7h 18m
Deal found 9/4![Delta logo]()
$449
One-way flights from Blountville to OntarioSearch for one-way flight options from Blountville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Blountville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Delta deal was found by Cheapflights users on 9/5. 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.
Tue 12/291:58 pm -
1 stop9h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 12/286:04 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 12/293:15 pm -
2 stops9h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$515
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
Popular in | June |
Cheapest in | April |
Average price | $583 |
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 7,457,451 searches. Data last updated September 7, 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
Cheapest round-trip
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 10/1
5:31 pm-11:36 pm
1 stop9h 05m
Ontario
Mon 10/5
11:10 pm-11:49 am
1 stop9h 39m
$359
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 10/1
4:07 pm-10:24 pm
1 stop9h 17m
Ontario
Mon 10/5
10:00 pm-9:26 am
1 stop8h 26m
$359
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Tue 12/29
1:58 pm-8:31 pm
1 stop9h 33m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$389
Quickest round-trip
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Mon 12/28
6:04 pm-10:54 pm
1 stop7h 50m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$443
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Sun 10/25
6:00 am-11:06 am
1 stop8h 06m
Ontario
Mon 11/9
11:10 pm-9:28 am
1 stop7h 18m
$449
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 11/19
2:39 pm-9:52 pm
2 stops10h 13m
Ontario
Sun 11/22
10:30 pm-10:43 am
1 stop9h 13m
$574
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 11/19
6:00 am-5:19 pm
2 stops14h 19m
Ontario
Sun 11/22
7:00 am-10:28 pm
2 stops12h 28m
$676
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
TRI-ONT
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.
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 September 7, 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.
Crew
8.5
Entertainment
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Entertainment
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Blountville and Ontario flights
Browse other Blountville and Ontario flight options. Last updated on September 7, 2026.
Other flights from Blountville
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$333 | Average$418 | FlexibilityNo cancel fee | On-timeN/A |