$364+ Cheap flights from Ontario to Blountville (ONT - TRI)
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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TRI
Jul 7 — Jul 141
Round-trip
1 adult, Economy
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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
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 June 7, 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 June 7, 2026.
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/1812:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Tue 8/257:02 am
TRI
- ONT
1 stop7h 41m
American Airlines
Deal found 6/5![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 6/7. 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 10/37:05 am
ONT
- TRI
1 stop6h 15m
Delta
Sat 10/1012:49 pm
TRI
- ONT
1 stop8h 29m
Delta
Deal found 6/7![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 6/7. 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 9/309:45 am
ONT
- TRI
2 stops9h 40m
Delta
Wed 10/73:50 pm
TRI
- ONT
1 stop9h 24m
Delta
Deal found 6/7![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 6/7. 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 9/265:13 pm
ONT
- TRI
2 stops13h 15m
Delta
Wed 9/304:05 pm
TRI
- ONT
2 stops10h 32m
Delta
Deal found 6/7![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/2512:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Tue 9/18:22 am
TRI
- ONT
2 stops12h 53m
American Airlines
Deal found 6/5![American Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 6/6. 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 6/1012:40 pm
ONT
- TRI
1 stop7h 46m
American Airlines
Wed 7/15:23 pm
TRI
- ONT
1 stop9h 36m
American Airlines
Deal found 6/6![American Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 6/7. 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 7/310:00 pm
ONT
- TRI
1 stop8h 41m
Delta
Wed 7/81:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Deal found 6/7![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 6/7. 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 10/210:00 pm
ONT
- TRI
1 stop8h 28m
Delta
Sat 10/1012:49 pm
TRI
- ONT
1 stop8h 29m
Delta
Deal found 6/7![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 6/7. 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 10/155:05 pm
ONT
- TRI
2 stops13h 30m
Delta
Sat 10/176:05 am
TRI
- ONT
1 stop8h 22m
Delta
Deal found 6/7![Delta logo]()
$458
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 June 7, 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 June 7, 2026.
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/1812:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Tue 8/257:02 am
TRI
- ONT
1 stop7h 41m
American Airlines
Deal found 6/5![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 6/7. 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 9/267:05 am
ONT
- TRI
1 stop6h 15m
Delta
Tue 9/291:20 pm
TRI
- ONT
1 stop9h 37m
Delta
Deal found 6/7![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 6/5. 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 8/2512:33 pm
ONT
- TRI
1 stop7h 17m
American Airlines
Tue 9/17:02 am
TRI
- ONT
1 stop9h 29m
American Airlines
Deal found 6/5![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 6/7. 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 9/2511:59 am
ONT
- TRI
1 stop7h 26m
Delta
Wed 9/306:00 am
TRI
- ONT
1 stop7h 47m
Delta
Deal found 6/7![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 6/7. 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 9/2410:00 pm
ONT
- TRI
1 stop8h 28m
Delta
Mon 9/286:00 am
TRI
- ONT
1 stop7h 47m
Delta
Deal found 6/7![Delta logo]()
$527
This American Airlines deal was found by Cheapflights users on 6/4. 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 6/295:45 am
ONT
- TRI
2 stops13h 12m
American Airlines
Fri 7/104:09 pm
TRI
- ONT
1 stop9h 25m
American Airlines
Deal found 6/4![American Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 6/7. 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 6/2810:00 pm
ONT
- TRI
1 stop8h 34m
Delta
Tue 7/74:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Deal found 6/7![Delta logo]()
$596
This Delta deal was found by Cheapflights users on 6/4. 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.
Mon 6/2911:50 am
ONT
- TRI
1 stop7h 39m
Delta
Fri 7/104:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Deal found 6/4![Delta logo]()
$655
This Delta deal was found by Cheapflights users on 6/7. 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 7/35:21 pm
ONT
- TRI
2 stops26h 08m
Delta
Wed 7/81:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Deal found 6/7![Delta logo]()
$678
Last-minute flights from Ontario to BlountvilleDiscover last-minute flight deals from Ontario to Blountville. Data last updated June 7, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Blountville. Data last updated June 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/3. 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.
Sat 6/612:41 pm
ONT
- TRI
1 stop7h 45m
American Airlines
Wed 6/104:12 pm
TRI
- ONT
1 stop9h 24m
American Airlines
Deal found 6/3![American Airlines logo]()
$467
This American Airlines deal was found by Cheapflights users on 6/6. 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 6/1012:40 pm
ONT
- TRI
1 stop7h 46m
American Airlines
Wed 7/15:23 pm
TRI
- ONT
1 stop9h 36m
American Airlines
Deal found 6/6![American Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 6/7. 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 6/2810:00 pm
ONT
- TRI
1 stop8h 34m
Delta
Sat 7/47:00 am
TRI
- ONT
1 stop6h 40m
Delta
Deal found 6/7![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 6/7. 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 7/310:00 pm
ONT
- TRI
1 stop8h 41m
Delta
Sat 7/41:45 pm
TRI
- ONT
1 stop7h 45m
Delta
Deal found 6/7![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 6/7. 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 7/310:00 pm
ONT
- TRI
1 stop8h 41m
Delta
Wed 7/81:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Deal found 6/7![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 6/7. 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 7/310:00 pm
ONT
- TRI
1 stop8h 41m
Delta
Thu 7/94:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Deal found 6/7![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 6/7. 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 7/411:50 am
ONT
- TRI
1 stop7h 39m
Delta
Wed 7/81:42 pm
TRI
- ONT
1 stop7h 48m
Delta
Deal found 6/7![Delta logo]()
$519
This Delta deal was found by Cheapflights users on 6/7. 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 7/411:50 am
ONT
- TRI
1 stop7h 39m
Delta
Thu 7/94:14 pm
TRI
- ONT
1 stop8h 36m
Delta
Deal found 6/7![Delta logo]()
$523
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 June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $364 (American Airlines) |
Popular in | April |
Cheapest in | August |
Average price | $591 |
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 June 7, 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
Quickest round-trip
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Tue 8/18
12:33 pm-10:50 pm
1 stop7h 17m
Blountville Tri Cities TN/VA
Tue 8/25
7:02 am-11:43 am
1 stop7h 41m
$364
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Tue 8/25
12:33 pm-10:50 pm
1 stop7h 17m
Blountville Tri Cities TN/VA
Tue 9/1
7:02 am-1:31 pm
1 stop9h 29m
$364
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Sat 9/26
7:05 am-4:20 pm
1 stop6h 15m
Blountville Tri Cities TN/VA
Tue 9/29
1:20 pm-7:57 pm
1 stop9h 37m
$379
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 9/25
11:59 am-10:25 pm
1 stop7h 26m
Blountville Tri Cities TN/VA
Wed 9/30
6:00 am-10:47 am
1 stop7h 47m
$453
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Thu 9/24
10:00 pm-9:28 am
1 stop8h 28m
Blountville Tri Cities TN/VA
Mon 9/28
6:00 am-10:47 am
1 stop7h 47m
$527
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Sun 6/28
10:00 pm-9:34 am
1 stop8h 34m
Blountville Tri Cities TN/VA
Tue 7/7
4:14 pm-9:50 pm
1 stop8h 36m
$596
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Mon 6/29
5:45 am-9:57 pm
2 stops13h 12m
Blountville Tri Cities TN/VA
Fri 7/10
4:09 pm-10:34 pm
1 stop9h 25m
$627
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Mon 6/29
11:50 am-10:29 pm
1 stop7h 39m
Blountville Tri Cities TN/VA
Fri 7/10
4:14 pm-9:50 pm
1 stop8h 36m
$655
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 7/3
5:21 pm-10:29 pm
2 stops26h 08m
Blountville Tri Cities TN/VA
Wed 7/8
1:42 pm-6:30 pm
1 stop7h 48m
$678
Sorted 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 June.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Blountville
What is the cheapest month to book a flight from Ontario to Blountville?
Currently, August is the cheapest month in which you can book a flight from Ontario to Blountville (average of $306). Flying from Ontario to Blountville in April is currently the most expensive (average of $717). 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.
How much does it cost to fly round-trip from Ontario to Blountville?
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 June 7, 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.
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.9
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 locationsMarion
Beech Mountain
Greeneville
Bristol
Browse thousands of different options on Cheapflights for your next trip
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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 June 7, 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 June 7, 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 June 7, 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 June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$309 | Average$506 | FlexibilityNo cancel fee | On-time71% |