$394+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — ONT
Sep 12 — Sep 191
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 9/51:45 pm -
1 stop7h 45m
Mon 9/710:00 pm -
1 stop8h 33m
Deal found 8/11![Delta logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 9/57:00 am -
1 stop7h 43m
Fri 9/1112:37 pm -
1 stop7h 12m
Deal found 8/12![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 8/11. 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 9/45:00 pm -
1 stop7h 52m
Mon 9/710:00 pm -
1 stop8h 33m
Deal found 8/11![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 8/11. 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 8/275:23 pm -
1 stop8h 36m
Mon 8/316:00 am -
1 stop7h 53m
Deal found 8/11![American Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/207:02 am -
1 stop9h 29m
Mon 8/3110:29 am -
1 stop9h 21m
Deal found 8/10![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/9. 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 8/206:00 am -
1 stop7h 42m
Mon 8/315:05 pm -
2 stops13h 25m
Deal found 8/9![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/45:23 pm -
1 stop8h 36m
Sun 9/610:29 am -
1 stop9h 21m
Deal found 8/11![American Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 8/11. 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 9/45:00 pm -
1 stop7h 52m
Sun 9/65:05 pm -
2 stops13h 25m
Deal found 8/11![Delta logo]()
$493
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 August 13, 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 August 13, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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 9/45:00 pm -
1 stop7h 52m
Mon 9/710:00 pm -
1 stop8h 33m
Deal found 8/11![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/107:31 am -
2 stops13h 42m
Sun 9/1312:37 pm -
1 stop7h 12m
Deal found 8/8![American Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 8/11. 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 8/273:46 pm -
1 stop9h 06m
Mon 8/315:05 pm -
2 stops13h 25m
Deal found 8/11![Delta logo]()
$479
This Delta deal was found by Cheapflights users on 8/11. 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 9/45:00 pm -
1 stop7h 52m
Sun 9/65:05 pm -
2 stops13h 25m
Deal found 8/11![Delta logo]()
$493
This American Airlines deal was found by Cheapflights users on 8/11. 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 8/278:22 am -
2 stops9h 57m
Mon 8/316:00 am -
2 stops9h 55m
Deal found 8/11![American Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 8/11. 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 9/41:45 pm -
1 stop7h 45m
Wed 10/2812:18 pm -
1 stop7h 06m
Deal found 8/11![Delta logo]()
$1,399
This Delta deal was found by Cheapflights users on 8/10. 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 9/26:00 am -
1 stop7h 42m
Wed 10/2812:18 pm -
1 stop7h 06m
Deal found 8/10![Delta logo]()
$1,499
This Delta deal was found by Cheapflights users on 8/11. 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 8/291:45 pm -
1 stop7h 45m
Wed 10/2812:18 pm -
1 stop7h 06m
Deal found 8/11![Delta logo]()
$1,499
This Delta deal was found by Cheapflights users on 8/11. 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 9/26:00 am -
1 stop7h 42m
Tue 11/312:18 pm -
1 stop7h 06m
Deal found 8/11![Delta logo]()
$1,639
Last-minute flights from Blountville to OntarioDiscover last-minute flight deals from Blountville to Ontario. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Blountville to Ontario. Data last updated August 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/10. 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 8/207:02 am -
1 stop9h 29m
Mon 8/3110:29 am -
1 stop9h 21m
Deal found 8/10![American Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/9. 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 8/206:00 am -
1 stop7h 42m
Mon 8/315:05 pm -
2 stops13h 25m
Deal found 8/9![Delta logo]()
$479
This American Airlines deal was found by Cheapflights users on 8/11. 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 8/275:23 pm -
1 stop8h 36m
Mon 8/316:00 am -
1 stop7h 53m
Deal found 8/11![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/11. 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 9/45:00 pm -
1 stop7h 52m
Mon 9/710:00 pm -
1 stop8h 33m
Deal found 8/11![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 8/11. 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 9/45:23 pm -
1 stop8h 36m
Sun 9/610:29 am -
1 stop9h 21m
Deal found 8/11![American Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 8/11. 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 9/45:00 pm -
1 stop7h 52m
Sun 9/65:05 pm -
2 stops13h 25m
Deal found 8/11![Delta logo]()
$493
This Delta deal was found by Cheapflights users on 8/11. 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 9/51:45 pm -
1 stop7h 45m
Mon 9/710:00 pm -
1 stop8h 33m
Deal found 8/11![Delta logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 9/57:00 am -
1 stop7h 43m
Fri 9/1112:37 pm -
1 stop7h 12m
Deal found 8/12![American Airlines logo]()
$419
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 August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $394 (Delta) |
Popular in | June |
Cheapest in | April |
Average price | $378 |
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 August 13, 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
Fri 9/4
5:00 pm-9:52 pm
1 stop7h 52m
Ontario
Mon 9/7
10:00 pm-9:33 am
1 stop8h 33m
$424
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 8/27
3:46 pm-9:52 pm
1 stop9h 06m
Ontario
Mon 8/31
5:05 pm-9:30 am
2 stops13h 25m
$479
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Fri 9/4
5:00 pm-9:52 pm
1 stop7h 52m
Ontario
Sun 9/6
5:05 pm-9:30 am
2 stops13h 25m
$493
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 9/10
7:31 am-6:13 pm
2 stops13h 42m
Ontario
Sun 9/13
12:37 pm-10:49 pm
1 stop7h 12m
$580
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 8/27
8:22 am-3:19 pm
2 stops9h 57m
Ontario
Mon 8/31
6:00 am-6:55 pm
2 stops9h 55m
$730
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Fri 9/4
1:45 pm-6:30 pm
1 stop7h 45m
Ontario
Wed 10/28
12:18 pm-10:24 pm
1 stop7h 06m
$1,399
Quickest round-trip
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Wed 9/2
6:00 am-10:42 am
1 stop7h 42m
Ontario
Wed 10/28
12:18 pm-10:24 pm
1 stop7h 06m
$1,499
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Sat 8/29
1:45 pm-6:30 pm
1 stop7h 45m
Ontario
Wed 10/28
12:18 pm-10:24 pm
1 stop7h 06m
$1,499
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Wed 9/2
6:00 am-10:42 am
1 stop7h 42m
Ontario
Tue 11/3
12:18 pm-10:24 pm
1 stop7h 06m
$1,639
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 August.
| 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 August 13, 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
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Entertainment
7.8
Crew
8.5
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Blountville
Popular flights
Alternative routes for Blountville to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Blountville to Ontario by cabin class
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 August 13, 2026.
Blountville and Ontario flights
Browse other Blountville and Ontario flight options. Last updated on August 13, 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 August 13, 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 August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$333 | Average$418 | FlexibilityNo cancel fee | On-timeN/A |