$228+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
TRI — ONT
Oct 26 — Nov 21
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
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 26, 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 26, 2026.
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/234:04 pm -
1 stop9h 55m
Tue 11/310:30 am -
1 stop9h 04m
Deal found 9/21![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/21. 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 10/306:00 am -
1 stop8h 06m
Mon 11/25:03 pm -
2 stops13h 23m
Deal found 9/21![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/21. 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 12/306:04 pm -
1 stop7h 50m
Wed 1/610:38 am -
1 stop8h 56m
Deal found 9/21![American Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/305:22 pm -
1 stop9h 30m
Sun 11/112:42 pm -
1 stop6h 52m
Deal found 9/21![American Airlines logo]()
$414
This American Airlines deal was found by Cheapflights users on 9/25. 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 11/214:07 pm -
1 stop10h 13m
Mon 11/3010:30 pm -
1 stop9h 13m
Deal found 9/25![American Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 9/25. 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 11/211:59 pm -
2 stops11h 17m
Tue 12/112:20 pm -
1 stop7h 13m
Deal found 9/25![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 9/23. 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 11/211:59 pm -
2 stops11h 17m
Mon 11/3011:10 pm -
1 stop7h 20m
Deal found 9/23![Delta logo]()
$474
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/295:22 pm -
1 stop9h 30m
Sun 11/110:30 am -
1 stop9h 04m
Deal found 9/23![American Airlines logo]()
$478
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/17:00 am -
1 stop9h 25m
Mon 10/511:10 pm -
1 stop9h 39m
Deal found 9/21![American Airlines logo]()
$494
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 26, 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 26, 2026.
This Delta deal was found by Cheapflights users on 9/21. 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 10/306:00 am -
1 stop8h 06m
Mon 11/25:03 pm -
2 stops13h 23m
Deal found 9/21![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/21. 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 11/204:07 pm -
1 stop10h 13m
Mon 11/2310:30 pm -
1 stop9h 13m
Deal found 9/21![American Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 9/25. 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 11/211:59 pm -
2 stops11h 17m
Tue 12/112:20 pm -
1 stop7h 13m
Deal found 9/25![Delta logo]()
$473
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/17:00 am -
1 stop9h 25m
Mon 10/511:10 pm -
1 stop9h 39m
Deal found 9/21![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 9/23. 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 11/211:59 pm -
2 stops11h 17m
Mon 11/3011:10 pm -
1 stop7h 20m
Deal found 9/23![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 9/24. 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 10/226:00 am -
1 stop8h 06m
Sun 10/2511:15 pm -
1 stop7h 11m
Deal found 9/24![Delta logo]()
$519
This Delta deal was found by Cheapflights users on 9/22. 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 10/55:15 pm -
2 stops13h 11m
Deal found 9/22![Delta logo]()
$579
This Delta deal was found by Cheapflights users on 9/25. 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 11/211:59 pm -
2 stops11h 17m
Sun 11/2911:10 pm -
1 stop7h 20m
Deal found 9/25![Delta logo]()
$594
Last-minute flights from Blountville to OntarioDiscover last-minute flight deals from Blountville to Ontario. Data last updated September 26, 2026 and is based on user searches.
Discover last-minute flight deals from Blountville to Ontario. Data last updated September 26, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/17:00 am -
1 stop9h 25m
Mon 10/511:10 pm -
1 stop9h 39m
Deal found 9/21![American Airlines logo]()
$494
This Delta deal was found by Cheapflights users on 9/22. 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 10/55:15 pm -
2 stops13h 11m
Deal found 9/22![Delta logo]()
$579
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 26, 2026.
Search for one-way flight options from Blountville to Ontario. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Fri 10/164:36 pm -
3 stops20h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 9/22. 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 10/164:04 pm -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![American Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/104:04 pm -
1 stop9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$469
This Trip.com deal was found by Cheapflights users on 9/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:07 pm -
1 stop9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$540
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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $379 (American Airlines) |
One-way from | $228 (Kiwi.com) |
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 26, 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 10/16
4:36 pm-10:29 am
3 stops20h 53m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$228
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Fri 10/30
6:00 am-11:06 am
1 stop8h 06m
Ontario
Mon 11/2
5:03 pm-9:26 am
2 stops13h 23m
$384
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Fri 10/16
4:04 pm-10:59 pm
1 stop9h 55m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$389
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Sat 10/10
4:04 pm-10:59 pm
1 stop9h 55m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$469
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Sat 11/21
1:59 pm-10:16 pm
2 stops11h 17m
Ontario
Tue 12/1
12:20 pm-10:33 pm
1 stop7h 13m
$473
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Sat 11/21
1:59 pm-10:16 pm
2 stops11h 17m
Ontario
Mon 11/30
11:10 pm-9:30 am
1 stop7h 20m
$474
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Fri 11/20
4:07 pm-11:20 pm
1 stop10h 13m
Ontario
Mon 11/23
10:30 pm-10:43 am
1 stop9h 13m
$478
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 10/1
7:00 am-1:25 pm
1 stop9h 25m
Ontario
Mon 10/5
11:10 pm-11:49 am
1 stop9h 39m
$494
BlountvilleOntario
TRI Blountville Tri Cities TN/VA - ONT Ontario
TRIONT
Blountville Tri Cities TN/VA
Thu 10/22
6:00 am-11:06 am
1 stop8h 06m
Ontario
Sun 10/25
11:15 pm-9:26 am
1 stop7h 11m
$519
Quickest round-trip
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
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$540
Showing 1-10 of 12 resultsSorted 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 26, 2026.
Read through reviews of airlines operating flights from Blountville to Ontario, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Overall
7.8
Comfort
7.8
Boarding
8.1
Crew
8.5
Entertainment
7.8
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.
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 September 26, 2026.
Blountville and Ontario flights
Browse other Blountville and Ontario flight options. Last updated on September 26, 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 September 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Blountville to Ontario
Discover the top 2 airlines 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 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$333 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$427 | Average$530 | FlexibilityNo cancel fee | On-time71% |