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Johnson City

$283+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TYS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 17, 2025.

Round-trip from

$419
(American Airlines)

One-way from

$283
(Kiwi.com)

Popular in

May

Cheapest in

August

Average price

$508
From Ontario to Johnson City
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One-way flight from Ontario to Johnson City
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Highest demand for flights based on searches. 10% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Johnson City

Cheapest flights from Ontario to Johnson City
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 17, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/2512:47 pmONT - TRI
1 stop7h 09mAmerican Airlines
Sat 11/84:12 pmTRI - ONT
1 stop9h 17mAmerican Airlines
Deal found 9/15$419
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1410:00 pmONT - TRI
1 stop8h 22mDelta
Tue 10/213:48 pmTRI - ONT
1 stop9h 34mDelta
Deal found 9/15$458
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/1411:59 pmONT - TRI
2 stops8h 47mAmerican Airlines
Tue 10/214:28 pmTRI - ONT
1 stop9h 14mAmerican Airlines
Deal found 9/15$463

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 September 17, 2025.
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

Sat 10/25

12:47 pm-10:56 pm

1 stop7h 09m

Blountville Tri Cities TN/VA

Sat 11/8

4:12 pm-10:29 pm

1 stop9h 17m

$419

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Tue 10/14

10:00 pm-9:22 am

1 stop8h 22m

Blountville Tri Cities TN/VA

Tue 10/21

3:48 pm-10:22 pm

1 stop9h 34m

$458

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Tue 10/14

11:59 pm-11:46 am

2 stops8h 47m

Blountville Tri Cities TN/VA

Tue 10/21

4:28 pm-10:42 pm

1 stop9h 14m

$463

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Wed 10/1

8:00 am-5:35 pm

3 stops54h 35m

$283

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Wed 10/1

12:47 pm-10:40 pm

1 stop6h 53m

$407

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Mon 12/1

10:47 am-10:57 pm

1 stop9h 10m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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.
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

What is the cheapest month to book a flight from Ontario to Johnson City?

Currently, January is the cheapest month in which you can book a flight from Ontario to Johnson City (average of $295). Flying from Ontario to Johnson City in March is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from ONT to J0H?

Find hourly flight availability from Ontario to Johnson City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Ontario to Johnson City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 17, 2025.
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.
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.

  • What airport do you fly from for flights from Ontario to Johnson City?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Johnson City. You should not have trouble finding flights to Johnson City from Ontario; the airport handles an average of 0 outbound flights to Johnson City per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Ontario airport to Johnson City. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Johnson City?

    A quick flight from Ontario to Johnson City can take about 7h 09m. American Airlines provides one of the quickest options available for as low as $419. There are 1980 mi between Ontario and Johnson City. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to Johnson City that include hotel bookings?

    Yes. In addition to deals on Ontario to Johnson City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Johnson City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Johnson City.

  • Can I find deals for business class flights from Ontario to Johnson City?

    Yes. Cheapflights offers flight deals from Ontario to Johnson City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Johnson City?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Johnson City (average of $295). Flying from Ontario to Johnson City in March is currently the most expensive (average of $376). 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.

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$261Average$422FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$455FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$455FlexibilityNo cancel feeOn-time69%

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