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Johnson City

$259+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TYS
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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Cheap 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 March 19, 2026.

This American Airlines deal was found by Cheapflights users on 3/15. 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 3/3110:36 pm
ONT
-
TRI
1 stop9h 01m
American Airlines
Tue 4/75:08 pm
TRI
-
ONT
1 stop6h 46m
American Airlines
Deal found 3/15$374
This American Airlines deal was found by Cheapflights users on 3/14. 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 4/710:26 pm
ONT
-
TRI
1 stop9h 15m
American Airlines
Tue 4/145:08 pm
TRI
-
ONT
1 stop8h 28m
American Airlines
Deal found 3/14$391
This Delta deal was found by Cheapflights users on 3/15. 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.
Fri 5/2910:00 pm
ONT
-
TRI
1 stop8h 31m
Delta
Wed 6/33:50 pm
TRI
-
ONT
1 stop8h 58m
Delta
Deal found 3/15$397
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Wed 4/811:59 pm
ONT
-
TRI
2 stops11h 31m
American Airlines
Wed 4/155:08 pm
TRI
-
ONT
1 stop9h 38m
American Airlines
Deal found 3/17$424
This American Airlines deal was found by Cheapflights users on 3/15. 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 5/2312:41 pm
ONT
-
TRI
1 stop7h 45m
American Airlines
Wed 5/276:14 pm
TRI
-
ONT
1 stop7h 22m
American Airlines
Deal found 3/15$433

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$374
(American Airlines)

One-way from

$259
(Delta)

Popular in

May

Cheapest in

August

Average price

$548
Provider with most accurate pricing for Los Angeles Los Angeles-Blountville Tri Cities TN/VA flight deals.
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Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Blountville Tri Cities TN/VA flights.
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From Ontario to Johnson City
Search Deals
One-way flight from Ontario to Johnson City
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($206 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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 March 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

Price

Cheapest round-trip

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Tue 4/7

10:26 pm-10:41 am

1 stop9h 15m

Blountville Tri Cities TN/VA

Tue 4/14

5:08 pm-10:36 pm

1 stop8h 28m

$391

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Fri 5/29

10:00 pm-9:31 am

1 stop8h 31m

Blountville Tri Cities TN/VA

Wed 6/3

3:50 pm-9:48 pm

1 stop8h 58m

$397
Quickest round-trip

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sat 5/23

12:41 pm-11:26 pm

1 stop7h 45m

Blountville Tri Cities TN/VA

Wed 5/27

6:14 pm-10:36 pm

1 stop7h 22m

$433

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Fri 5/22

10:00 pm-10:42 am

1 stop9h 42m

Blountville Tri Cities TN/VA

Wed 5/27

5:23 pm-10:38 pm

1 stop8h 15m

$503

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

1:54 pm-6:33 pm

1 stop7h 39m

$538

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Mon 3/30

5:09 pm-9:50 am

2 stops13h 41m

Blountville Tri Cities TN/VA

Sun 4/5

2:01 pm-9:00 pm

1 stop9h 59m

$581
Cheapest one-way
Quickest one-way

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Tue 6/2

10:00 pm-9:31 am

1 stop8h 31m

$259

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sun 5/24

10:00 pm-9:31 am

1 stop8h 31m

$318

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Mon 5/25

10:00 pm-9:31 am

1 stop8h 31m

$318

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Thu 5/28

10:00 pm-9:31 am

1 stop8h 31m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/15

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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, May is the cheapest month in which you can book a flight from Ontario to Johnson City (average of $119). Flying from Ontario to Johnson City in March is currently the most expensive (average of $298). 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 March 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.
Delta
7.9
Good
8,292 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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
7.9
Good
8,292 reviews
Delta
7.9
Good
8,292 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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
7.1
Good
11,473 reviews
Delta
7.9
Good
8,292 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

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 8h 31m. American Airlines provides one of the quickest options available for as low as $397. 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, May is the cheapest month in which you can book a flight from Ontario to Johnson City (average of $119). Flying from Ontario to Johnson City in March is currently the most expensive (average of $298). 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.

See more FAQs

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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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$209Average$404FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$274Average$439FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$521FlexibilityNo cancel feeOn-time69%

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