$414+ Cheap flights from Ontario (ONT) to Johnson City, TN, TN
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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TYS
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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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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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 September 19, 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 September 19, 2026.
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 12/1112:42 pm -
1 stop6h 52m
Tue 12/296:00 am -
1 stop20h 57m
Deal found 9/17![American Airlines logo]()
$720
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Wed 11/257:45 pm -
2 stops11h 58m
Mon 11/304:07 pm -
1 stop10h 13m
Deal found 9/18![American Airlines logo]()
$824
This Delta deal was found by Cheapflights users on 9/18. 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.
Wed 11/2512:18 pm -
1 stop7h 10m
Mon 11/306:00 am -
1 stop8h 08m
Deal found 9/18![Delta logo]()
$829
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 September 19, 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 September 19, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. 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.
Thu 2/2510:31 am -
1 stop8h 55m
Tue 3/22:48 pm -
1 stop9h 40m
Deal found 9/18![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 9/18. 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.
Wed 11/2512:18 pm -
1 stop7h 10m
Mon 11/306:00 am -
1 stop8h 08m
Deal found 9/18![Delta logo]()
$829
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 12/1110:30 am -
1 stop9h 04m
Tue 12/293:15 pm -
2 stops10h 36m
Deal found 9/17![American Airlines logo]()
$833
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 September 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $414 (American Airlines) |
Popular in | April |
Cheapest in | August |
Average price | $569 |
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 7,457,451 searches. Data last updated September 19, 2026.
Use the filters below to find and compare flights from Ontario to Johnson City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioBlountville
ONT Ontario - TRI Blountville Tri Cities TN/VA
ONTTRI
Ontario
Thu 2/25
10:31 am-10:26 pm
1 stop8h 55m
Blountville Tri Cities TN/VA
Tue 3/2
2:48 pm-9:28 pm
1 stop9h 40m
$414
Quickest round-trip
OntarioBlountville
ONT Ontario - TRI Blountville Tri Cities TN/VA
ONTTRI
Ontario
Wed 11/25
12:18 pm-10:28 pm
1 stop7h 10m
Blountville Tri Cities TN/VA
Mon 11/30
6:00 am-11:08 am
1 stop8h 08m
$829
OntarioBlountville
ONT Ontario - TRI Blountville Tri Cities TN/VA
ONTTRI
Ontario
Fri 12/11
10:30 am-10:34 pm
1 stop9h 04m
Blountville Tri Cities TN/VA
Tue 12/29
3:15 pm-10:51 pm
2 stops10h 36m
$833
Sorted by cheapest first
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
No data available for this route at this time. Please check back soon.
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 September 19, 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.
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Comfort
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Entertainment
7.8
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 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.
Search flights from Ontario to Johnson City by cabin class
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 September 19, 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 September 19, 2026.
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Ontario to Johnson City flights
Consider these flights traveling from Ontario to Johnson City.
Top 4 airlines flying from Ontario to Johnson City
Discover the top 4 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 7,457,451 searches. Data last updated September 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$451 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$273 | Average$528 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$535 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$423 | Average$657 | FlexibilityNo cancel fee | On-time63% |