$349+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — ONT
Aug 5 — Aug 121
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
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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
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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 July 6, 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 July 6, 2026.
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/195:23 pm
TRI
- ONT
1 stop8h 36m
American Airlines
Tue 8/2510:29 am
ONT
- TRI
1 stop9h 21m
American Airlines
Deal found 7/1![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 11/76:00 am
TRI
- ONT
2 stops13h 24m
Delta
Sun 11/1510:59 pm
ONT
- TRI
1 stop7h 36m
Delta
Deal found 7/3![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:24 pm
TRI
- ONT
1 stop8h 08m
American Airlines
Fri 7/312:15 pm
ONT
- TRI
1 stop7h 13m
American Airlines
Deal found 7/2![American Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 7/5. 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.
Mon 7/274:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Mon 8/310:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 8/195:23 pm
TRI
- ONT
1 stop8h 36m
American Airlines
Tue 9/16:15 am
ONT
- TRI
2 stops13h 44m
American Airlines
Deal found 7/3![American Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 7/5. 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.
Sat 7/251:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Fri 7/3110:00 pm
ONT
- TRI
1 stop8h 35m
Delta
Deal found 7/5![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 7/5. 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.
Sun 7/264:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Mon 8/310:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 7/5. 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.
Mon 7/274:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Sun 8/210:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 7/5. 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.
Sat 7/251:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Mon 8/310:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$473
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 July 6, 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 July 6, 2026.
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 11/76:00 am
TRI
- ONT
1 stop8h 08m
Delta
Sun 11/1510:59 pm
ONT
- TRI
1 stop7h 36m
Delta
Deal found 7/3![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 8/195:23 pm
TRI
- ONT
1 stop8h 36m
American Airlines
Tue 9/17:05 am
ONT
- TRI
1 stop6h 48m
American Airlines
Deal found 7/3![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/195:23 pm
TRI
- ONT
1 stop8h 36m
American Airlines
Tue 8/256:15 am
ONT
- TRI
2 stops13h 35m
American Airlines
Deal found 7/1![American Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 7/5. 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.
Mon 7/274:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Sun 8/210:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 7/5. 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.
Wed 7/296:00 am
TRI
- ONT
1 stop7h 38m
Delta
Fri 7/3110:00 pm
ONT
- TRI
1 stop21h 28m
Delta
Deal found 7/5![Delta logo]()
$568
This Delta deal was found by Cheapflights users on 7/5. 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.
Wed 7/296:00 am
TRI
- ONT
1 stop7h 38m
Delta
Sat 8/112:00 pm
ONT
- TRI
1 stop28h 13m
Delta
Deal found 7/5![Delta logo]()
$568
This Delta deal was found by Cheapflights users on 7/5. 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.
Wed 7/296:00 am
TRI
- ONT
1 stop7h 38m
Delta
Mon 8/31:06 pm
ONT
- TRI
2 stops17h 24m
Delta
Deal found 7/5![Delta logo]()
$593
This Delta deal was found by Cheapflights users on 7/5. 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.
Sat 7/251:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Sat 8/17:05 am
ONT
- TRI
1 stop26h 51m
Delta
Deal found 7/5![Delta logo]()
$627
Last-minute flights from Blountville to OntarioDiscover last-minute flight deals from Blountville to Ontario. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Blountville to Ontario. Data last updated July 6, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:24 pm
TRI
- ONT
1 stop8h 08m
American Airlines
Fri 7/312:15 pm
ONT
- TRI
1 stop7h 13m
American Airlines
Deal found 7/2![American Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 7/5. 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.
Sat 7/251:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Fri 7/3110:00 pm
ONT
- TRI
1 stop8h 35m
Delta
Deal found 7/5![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 7/5. 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.
Sat 7/251:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Mon 8/310:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 7/5. 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.
Sun 7/264:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Mon 8/310:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 7/5. 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.
Mon 7/274:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Mon 8/310:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 7/5. 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.
Mon 7/274:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Sun 8/210:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 7/5. 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.
Thu 7/301:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Sun 8/210:00 pm
ONT
- TRI
1 stop8h 30m
Delta
Deal found 7/5![Delta logo]()
$504
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 8/195:23 pm
TRI
- ONT
1 stop8h 36m
American Airlines
Tue 8/2510:29 am
ONT
- TRI
1 stop9h 21m
American Airlines
Deal found 7/1![American Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Wed 8/195:23 pm
TRI
- ONT
1 stop8h 36m
American Airlines
Tue 9/16:15 am
ONT
- TRI
2 stops13h 44m
American Airlines
Deal found 7/3![American Airlines logo]()
$430
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 July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (Delta) |
Popular in | June |
Cheapest in | April |
Average price | $524 |
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 July 6, 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 - ONT
TRIONT
Blountville Tri Cities TN/VA
Sat 11/7
6:00 am-11:08 am
1 stop8h 08m
Ontario
Sun 11/15
10:59 pm-9:35 am
1 stop7h 36m
$349
Quickest round-trip
BlountvilleOntario
TRI - ONT
TRIONT
Blountville Tri Cities TN/VA
Wed 8/19
5:23 pm-10:59 pm
1 stop8h 36m
Ontario
Tue 9/1
7:05 am-4:53 pm
1 stop6h 48m
$349
BlountvilleOntario
TRI - ONT
TRIONT
Blountville Tri Cities TN/VA
Wed 8/19
5:23 pm-10:59 pm
1 stop8h 36m
Ontario
Tue 8/25
6:15 am-10:50 pm
2 stops13h 35m
$398
BlountvilleOntario
TRI - ONT
TRIONT
Blountville Tri Cities TN/VA
Mon 7/27
4:14 pm-9:50 pm
1 stop8h 36m
Ontario
Sun 8/2
10:00 pm-9:30 am
1 stop8h 30m
$448
BlountvilleOntario
TRI - ONT
TRIONT
Blountville Tri Cities TN/VA
Wed 7/29
6:00 am-10:38 am
1 stop7h 38m
Ontario
Fri 7/31
10:00 pm-10:28 pm
1 stop21h 28m
$568
BlountvilleOntario
TRI - ONT
TRIONT
Blountville Tri Cities TN/VA
Wed 7/29
6:00 am-10:38 am
1 stop7h 38m
Ontario
Sat 8/1
12:00 pm-7:13 pm
1 stop28h 13m
$568
BlountvilleOntario
TRI - ONT
TRIONT
Blountville Tri Cities TN/VA
Wed 7/29
6:00 am-10:38 am
1 stop7h 38m
Ontario
Mon 8/3
1:06 pm-9:30 am
2 stops17h 24m
$593
BlountvilleOntario
TRI - ONT
TRIONT
Blountville Tri Cities TN/VA
Sat 7/25
1:42 pm-6:30 pm
1 stop7h 48m
Ontario
Sat 8/1
7:05 am-12:56 pm
1 stop26h 51m
$627
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 July.
| 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 July 6, 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.
Comfort
7.8
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Overall
7.8
Entertainment
7.8
Boarding
8.1
Crew
8.5
Food
7.2
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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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Blountville to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 July 6, 2026.
Blountville and Ontario flights
Browse other Blountville and Ontario flight options. Last updated on July 6, 2026.
Other flights from Blountville
Browse through other flights departing from Blountville. Flights are based on user searches made on Cheapflights and were last updated on July 6, 2026.
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 2,558,603 searches. Data last updated July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$333 | Average$418 | FlexibilityNo cancel fee | On-timeN/A |