$175+ Cheap flights from Ontario to Blountville (ONT - TRI)
This is the cheapest one-way 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.
ONT — TRI
Aug 19 — Aug 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Blountville 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 Ontario to Blountville
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to BlountvilleExplore the most affordable flight options available from Ontario to Blountville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
Explore the most affordable flight options available from Ontario to Blountville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.
This Delta deal was found by Cheapflights users on 7/20. 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.
Fri 9/2510:00 pm
ONT
- TRI
1 stop8h 33m
Delta
Sun 9/274:07 pm
TRI
- ONT
1 stop9h 17m
Delta
Deal found 7/20![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 7/15. 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 7/3112:35 pm
ONT
- TRI
1 stop8h 53m
American Airlines
Tue 8/45:24 pm
TRI
- ONT
1 stop8h 08m
American Airlines
Deal found 7/15![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/18. 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 8/712:00 pm
ONT
- TRI
1 stop7h 23m
Delta
Sat 8/86:00 am
TRI
- ONT
2 stops9h 16m
Delta
Deal found 7/18![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/12:15 pm
ONT
- TRI
1 stop7h 13m
American Airlines
Wed 9/167:00 am
TRI
- ONT
1 stop9h 25m
American Airlines
Deal found 7/18![American Airlines logo]()
$443
This Delta deal was found by Cheapflights users on 7/19. 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 9/157:05 am
ONT
- TRI
1 stop8h 33m
Delta
Mon 9/214:07 pm
TRI
- ONT
1 stop9h 17m
Delta
Deal found 7/19![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/712:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Sat 8/87:00 am
TRI
- ONT
1 stop7h 43m
American Airlines
Deal found 7/18![American Airlines logo]()
$471
This American Airlines deal was found by Cheapflights users on 7/16. 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 10/1412:43 pm
ONT
- TRI
1 stop7h 01m
American Airlines
Tue 10/207:07 am
TRI
- ONT
1 stop7h 46m
American Airlines
Deal found 7/16![American Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 7/16. 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 7/177:05 am
ONT
- TRI
1 stop9h 08m
Delta
Sat 7/257:00 am
TRI
- ONT
1 stop6h 38m
Delta
Deal found 7/16![Delta logo]()
$528
Best flights from Ontario to BlountvilleDiscover carefully curated flight deals from Ontario to Blountville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
Discover carefully curated flight deals from Ontario to Blountville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 20, 2026.
This Delta deal was found by Cheapflights users on 7/20. 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.
Fri 9/2510:00 pm
ONT
- TRI
1 stop8h 33m
Delta
Sun 9/274:07 pm
TRI
- ONT
1 stop9h 17m
Delta
Deal found 7/20![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 7/15. 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 7/3112:35 pm
ONT
- TRI
1 stop8h 53m
American Airlines
Tue 8/45:24 pm
TRI
- ONT
1 stop8h 08m
American Airlines
Deal found 7/15![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/17. 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 8/112:00 pm
ONT
- TRI
1 stop7h 28m
Delta
Wed 8/53:46 pm
TRI
- ONT
1 stop7h 07m
Delta
Deal found 7/17![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 7/18. 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 8/712:00 pm
ONT
- TRI
1 stop7h 23m
Delta
Sat 8/86:00 am
TRI
- ONT
2 stops9h 16m
Delta
Deal found 7/18![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/712:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Sat 8/87:00 am
TRI
- ONT
1 stop7h 43m
American Airlines
Deal found 7/18![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 7/19. 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 9/157:05 am
ONT
- TRI
1 stop8h 33m
Delta
Mon 9/214:07 pm
TRI
- ONT
1 stop9h 17m
Delta
Deal found 7/19![Delta logo]()
$444
This American Airlines deal was found by Cheapflights users on 7/16. 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 10/1412:43 pm
ONT
- TRI
1 stop7h 01m
American Airlines
Tue 10/207:07 am
TRI
- ONT
1 stop7h 46m
American Airlines
Deal found 7/16![American Airlines logo]()
$523
This American Airlines deal was found by Cheapflights users on 7/17. 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 8/11:11 pm
ONT
- TRI
2 stops8h 17m
American Airlines
Wed 8/55:23 pm
TRI
- ONT
1 stop8h 36m
American Airlines
Deal found 7/17![American Airlines logo]()
$528
Last-minute flights from Ontario to BlountvilleDiscover last-minute flight deals from Ontario to Blountville. Data last updated July 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Blountville. Data last updated July 20, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/15. 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 7/3112:35 pm
ONT
- TRI
1 stop8h 53m
American Airlines
Tue 8/45:24 pm
TRI
- ONT
1 stop8h 08m
American Airlines
Deal found 7/15![American Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/12:15 pm
ONT
- TRI
1 stop7h 13m
American Airlines
Wed 9/167:00 am
TRI
- ONT
1 stop9h 25m
American Airlines
Deal found 7/18![American Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 7/17. 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 8/11:11 pm
ONT
- TRI
2 stops8h 17m
American Airlines
Wed 8/55:23 pm
TRI
- ONT
1 stop8h 36m
American Airlines
Deal found 7/17![American Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 7/18. 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 8/712:00 pm
ONT
- TRI
1 stop7h 23m
Delta
Sat 8/86:00 am
TRI
- ONT
2 stops9h 16m
Delta
Deal found 7/18![Delta logo]()
$424
This American Airlines deal was found by Cheapflights users on 7/18. 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 8/712:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Sat 8/87:00 am
TRI
- ONT
1 stop7h 43m
American Airlines
Deal found 7/18![American Airlines logo]()
$471
One-way flights from Ontario to BlountvilleSearch for one-way flight options from Ontario to Blountville. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
Search for one-way flight options from Ontario to Blountville. Find affordable one-way fares based on user searches. Data last updated July 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:59 am
ONT
- TRI
2 stops43h 16m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:40 pm
ONT
- TRI
2 stops14h 35m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/64:09 pm
ONT
- TRI
2 stops14h 06m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:08 pm
ONT
- TRI
2 stops37h 07m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:49 pm
ONT
- TRI
3 stops40h 14m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:00 am
ONT
- TRI
2 stops24h 45m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:49 am
ONT
- TRI
3 stops48h 48m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
ONT
- TRI
2 stops48h 15m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$284
Find flight deals from Ontario to Blountville
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Blountville (TRI). 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 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $414 (Delta) |
One-way from | $175 (Kiwi.com) |
Popular in | April |
Cheapest in | January |
Average price | $502 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Blountville 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 20, 2026.
Use the filters below to find and compare flights from Ontario to Blountville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 9/25
10:00 pm-9:33 am
1 stop8h 33m
Blountville Tri Cities TN/VA
Sun 9/27
4:07 pm-10:24 pm
1 stop9h 17m
$414
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 7/31
12:35 pm-12:28 am
1 stop8h 53m
Blountville Tri Cities TN/VA
Tue 8/4
5:24 pm-10:32 pm
1 stop8h 08m
$419
Quickest round-trip
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Sat 8/1
12:00 pm-10:28 pm
1 stop7h 28m
Blountville Tri Cities TN/VA
Wed 8/5
3:46 pm-7:53 pm
1 stop7h 07m
$419
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 8/7
12:00 pm-10:23 pm
1 stop7h 23m
Blountville Tri Cities TN/VA
Sat 8/8
6:00 am-12:16 pm
2 stops9h 16m
$424
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Tue 9/15
7:05 am-6:38 pm
1 stop8h 33m
Blountville Tri Cities TN/VA
Mon 9/21
4:07 pm-10:24 pm
1 stop9h 17m
$444
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 8/7
12:33 pm-10:50 pm
1 stop7h 17m
Blountville Tri Cities TN/VA
Sat 8/8
7:00 am-11:43 am
1 stop7h 43m
$471
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Wed 10/14
12:43 pm-10:44 pm
1 stop7h 01m
Blountville Tri Cities TN/VA
Tue 10/20
7:07 am-11:53 am
1 stop7h 46m
$523
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Sat 8/1
1:11 pm-12:28 am
2 stops8h 17m
Blountville Tri Cities TN/VA
Wed 8/5
5:23 pm-10:59 pm
1 stop8h 36m
$528
Cheapest one-way
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Tue 9/15
9:49 pm-5:03 pm
3 stops40h 14m
$250
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Sat 8/1
6:00 am-2:09 pm
3 stops53h 09m
$325
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Ontario to Blountville
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 Ontario to Blountville 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 Ontario-Blountville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Blountville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Blountville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Blountville 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 Ontario-Blountville 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 Ontario to Blountville
Have a flexible travel schedule? Discover the best time to fly to Blountville from Ontario with our price prediction graph.
ONT-TRI
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 Blountville
Get insights into the airlines that provide service to Blountville. 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 Blountville. Reviews last updated July 20, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Ontario to Blountville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Entertainment
7.8
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Blountville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Blountville?
Book flights to Blountville if you plan to visit one of these locationsBeech Mountain
Greeneville
Bristol
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
Blountville flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Blountville
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Blountville
Explore flights to Blountville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 20, 2026.
Complete your trip
Complete your trip to Blountville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Blountville by cabin class
Find flights from Ontario to Blountville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Blountville flights
Browse other Ontario and Blountville flight options. Last updated on July 20, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on July 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Ontario to Blountville
Discover the top 2 airlines that operate flights from Ontario to Blountville. 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$418 | Average$510 | FlexibilityNo cancel fee | On-time71% |