$176+ Cheap flights from Ontario (ONT) to Johnson City, TN, TN
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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TYS
Mar 14 — Mar 211
1 adult, Economy
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Find cheap flights from Ontario to Johnson City with Cheapflights
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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 Ontario to Johnson City
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Cheapest flights from Ontario to Johnson CityExplore the most affordable flight options available from Ontario to Johnson City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
Explore the most affordable flight options available from Ontario to Johnson City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
This Delta deal was found by Cheapflights users on 2/11. 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 4/1510:15 pm
ONT
- TRI
1 stop8h 31m
Delta
Wed 4/221:44 pm
TRI
- ONT
1 stop7h 49m
Delta
Deal found 2/11![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:25 pm
ONT
- TRI
1 stop8h 25m
Delta
Wed 3/183:53 pm
TRI
- ONT
1 stop8h 07m
Delta
Deal found 2/12![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:20 pm
ONT
- TRI
1 stop8h 14m
Delta
Tue 3/33:33 pm
TRI
- ONT
1 stop8h 32m
Delta
Deal found 2/12![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 2/277:05 pm
ONT
- TRI
2 stops12h 33m
American Airlines
Tue 3/35:30 am
TRI
- ONT
1 stop7h 36m
American Airlines
Deal found 2/12![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/10. 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.
Fri 9/1110:59 pm
ONT
- TRI
1 stop7h 36m
Delta
Sun 9/1312:49 pm
TRI
- ONT
1 stop8h 12m
Delta
Deal found 2/10![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 2/9. 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.
Wed 4/810:25 pm
ONT
- TRI
1 stop8h 26m
Delta
Wed 4/154:04 pm
TRI
- ONT
1 stop7h 56m
Delta
Deal found 2/9![Delta logo]()
$399
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Wed 3/117:59 pm
ONT
- TRI
2 stops11h 38m
American Airlines
Wed 3/185:30 am
TRI
- ONT
2 stops13h 52m
American Airlines
Deal found 2/12![American Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 2/10. 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.
Thu 10/110:59 pm
ONT
- TRI
1 stop7h 36m
Delta
Mon 10/53:50 pm
TRI
- ONT
1 stop9h 06m
Delta
Deal found 2/10![Delta logo]()
$459
Best flights from Ontario to Johnson CityDiscover carefully curated flight deals from Ontario to Johnson City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Ontario to Johnson City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This Delta deal was found by Cheapflights users on 2/11. 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 4/1510:15 pm
ONT
- TRI
1 stop8h 31m
Delta
Wed 4/221:44 pm
TRI
- ONT
1 stop7h 49m
Delta
Deal found 2/11![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 2/2711:58 pm
ONT
- TRI
2 stops11h 23m
American Airlines
Tue 3/311:08 am
TRI
- ONT
2 stops11h 01m
American Airlines
Deal found 2/12![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 2/10. 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 5/2711:04 pm
ONT
- TRI
1 stop7h 27m
Delta
Sat 5/301:33 pm
TRI
- ONT
1 stop8h 03m
Delta
Deal found 2/10![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:25 pm
ONT
- TRI
1 stop8h 25m
Delta
Wed 3/183:53 pm
TRI
- ONT
1 stop8h 07m
Delta
Deal found 2/12![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:25 pm
ONT
- TRI
1 stop8h 25m
Delta
Wed 3/183:53 pm
TRI
- ONT
1 stop8h 07m
Delta
Deal found 2/12![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:20 pm
ONT
- TRI
1 stop8h 14m
Delta
Tue 3/33:33 pm
TRI
- ONT
1 stop8h 32m
Delta
Deal found 2/12![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:25 pm
ONT
- TRI
1 stop8h 26m
Delta
Wed 4/156:10 am
TRI
- ONT
1 stop8h 26m
Delta
Deal found 2/12![Delta logo]()
$359
Last-minute flights from Ontario to Johnson CityDiscover last-minute flight deals from Ontario to Johnson City. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Johnson City. Data last updated February 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:20 pm
ONT
- TRI
1 stop8h 14m
Delta
Tue 3/33:33 pm
TRI
- ONT
1 stop8h 32m
Delta
Deal found 2/12![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 2/277:05 pm
ONT
- TRI
2 stops12h 33m
American Airlines
Tue 3/35:30 am
TRI
- ONT
1 stop7h 36m
American Airlines
Deal found 2/12![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:25 pm
ONT
- TRI
1 stop8h 25m
Delta
Wed 3/183:53 pm
TRI
- ONT
1 stop8h 07m
Delta
Deal found 2/12![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 2/12. 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.
Wed 3/117:59 pm
ONT
- TRI
2 stops11h 38m
American Airlines
Wed 3/185:30 am
TRI
- ONT
2 stops13h 52m
American Airlines
Deal found 2/12![American Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1310:25 pm
ONT
- TRI
1 stop8h 25m
Delta
Thu 3/191:45 pm
TRI
- ONT
2 stops13h 06m
Delta
Deal found 2/12![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/135:53 pm
ONT
- TRI
2 stops12h 57m
Delta
Wed 3/183:53 pm
TRI
- ONT
1 stop8h 07m
Delta
Deal found 2/12![Delta logo]()
$477
One-way flights from Ontario to Johnson CitySearch for one-way flight options from Ontario to Johnson City. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from Ontario to Johnson City. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:29 pm
ONT
- TRI
3 stops41h 59m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$176
This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:57 pm
ONT
- TRI
1 stop6h 31m
Delta
Deal found 2/8![Delta logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/234:08 pm
ONT
- TRI
3 stops43h 18m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1210:25 pm
ONT
- TRI
1 stop8h 25m
Delta
Deal found 2/8![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:25 pm
ONT
- TRI
1 stop8h 25m
Delta
Deal found 2/8![Delta logo]()
$353
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Tue 3/109:53 am
ONT
- TRI
2 stops9h 33m
American Airlines
Deal found 2/8![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 2/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/810:25 pm
ONT
- TRI
1 stop8h 25m
Delta
Deal found 2/8![Delta logo]()
$379
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/129:53 am
ONT
- TRI
2 stops9h 33m
American Airlines
Deal found 2/8![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 5/2510:22 am
ONT
- TRI
2 stops10h 25m
American Airlines
Deal found 2/8![American Airlines logo]()
$404
Find flight deals from Ontario to Johnson City
Keep the following information in mind while searching for Ontario to Johnson City flight deals. Data was last updated February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
One-way from | $176 (Kiwi.com) |
Popular in | May |
Cheapest in | August |
Average price | $483 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Johnson City 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 February 12, 2026.
Use the filters below to find and compare flights from Ontario to Johnson City that are best for you.
Fly from
Ontario
Fly to
Johnson City
Route
Depart
Return
Price
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Wed 4/15
10:15 pm-9:46 am
1 stop8h 31m
Blountville Tri Cities TN/VA
Wed 4/22
1:44 pm-6:33 pm
1 stop7h 49m
$319
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Wed 5/27
11:04 pm-9:31 am
1 stop7h 27m
Blountville Tri Cities TN/VA
Sat 5/30
1:33 pm-6:36 pm
1 stop8h 03m
$319
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Wed 3/11
10:25 pm-9:50 am
1 stop8h 25m
Blountville Tri Cities TN/VA
Wed 3/18
3:53 pm-9:00 pm
1 stop8h 07m
$334
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 3/13
10:25 pm-9:50 am
1 stop8h 25m
Blountville Tri Cities TN/VA
Wed 3/18
3:53 pm-9:00 pm
1 stop8h 07m
$334
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 2/27
10:20 pm-9:34 am
1 stop8h 14m
Blountville Tri Cities TN/VA
Tue 3/3
3:33 pm-9:05 pm
1 stop8h 32m
$359
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Wed 4/8
10:25 pm-9:51 am
1 stop8h 26m
Blountville Tri Cities TN/VA
Wed 4/15
6:10 am-11:36 am
1 stop8h 26m
$359
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Fri 2/27
11:58 pm-2:21 pm
2 stops11h 23m
Blountville Tri Cities TN/VA
Tue 3/3
11:08 am-7:09 pm
2 stops11h 01m
$369
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Wed 4/15
8:15 am-4:28 pm
2 stops53h 13m
$182
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Tue 3/10
12:57 pm-10:28 pm
1 stop6h 31m
$319
OntarioBlountville
ONT - TRI
ONTTRI
Ontario
Tue 6/23
10:59 pm-9:35 am
1 stop7h 36m
$319
Showing 1-10 of 18 results
Best time to book a flight from Ontario to Johnson City
Have a flexible travel schedule? Discover the best time to fly to Johnson City 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 Johnson City
ONT-J0H
ONT-TRI
What is the cheapest month to book a flight from Ontario to Johnson City?
Currently, May is the cheapest month in which you can book a flight from Ontario to Johnson City (average of $121). Flying from Ontario to Johnson City in February is currently the most expensive (average of $297). 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.
Reviews of airlines servicing Johnson City
Get insights into the airlines that provide service to Johnson City. 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 Johnson City. Reviews last updated February 12, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Ontario to Johnson City 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
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
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 Johnson City. 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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Alternative routes for Ontario to Johnson City
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Complete your trip
Complete your trip to Johnson City by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Ontario to Johnson City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Johnson City flights
Browse other Ontario and Johnson City flight options. Last updated on February 12, 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 February 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Johnson City flights
Consider these flights traveling from Ontario to Johnson City.
Top 3 airlines flying from Ontario to Johnson City
Discover the top 3 airlines that operate flights from Ontario to Johnson City. 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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$209 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$449 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$461 | FlexibilityNo cancel fee | On-time71% |