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Johnson City

$419+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TYS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 12/226:10 amONT - TRI
1 stop6h 33mAmerican Airlines
Thu 12/252:45 pmTRI - ONT
1 stop9h 13mAmerican Airlines
Deal found 12/16$675

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$419
(Delta)

Popular in

May

Cheapest in

August

Average price

$408
Provider with most accurate pricing for Los Angeles-Blountville Tri Cities TN/VA flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Blountville Tri Cities TN/VA flights.
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From Ontario to Johnson City
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 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 4/25

10:59 pm-9:35 am

1 stop7h 36m

Blountville Tri Cities TN/VA

Sat 5/2

4:30 pm-10:09 pm

1 stop8h 39m

$419

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Wed 4/8

10:30 pm-9:48 am

1 stop8h 18m

Blountville Tri Cities TN/VA

Wed 4/15

12:49 pm-6:15 pm

1 stop8h 26m

$419

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sat 4/25

6:00 am-3:41 pm

1 stop6h 41m

Blountville Tri Cities TN/VA

Sat 5/2

11:16 am-9:36 pm

2 stops13h 20m

$424

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Wed 4/8

10:32 am-9:22 pm

2 stops7h 50m

Blountville Tri Cities TN/VA

Wed 4/15

11:16 am-9:36 pm

2 stops13h 20m

$429

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Thu 1/22

10:30 pm-9:31 am

1 stop8h 01m

Blountville Tri Cities TN/VA

Mon 1/26

3:16 pm-9:05 pm

1 stop8h 49m

$487

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Thu 1/22

11:59 pm-11:42 am

2 stops8h 43m

Blountville Tri Cities TN/VA

Mon 1/26

4:33 pm-10:48 pm

1 stop9h 15m

$492

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Mon 1/19

10:30 pm-9:31 am

1 stop8h 01m

Blountville Tri Cities TN/VA

Thu 1/22

3:16 pm-9:05 pm

1 stop8h 49m

$657

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sat 12/27

10:29 pm-9:34 am

1 stop8h 05m

$427

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sat 12/27

11:59 pm-2:19 pm

2 stops11h 20m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 $42). Flying from Ontario to Johnson City in March is currently the most expensive (average of $284). 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Johnson City in the evening. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the afternoon.

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 December 18, 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
7.9
Good
8,004 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

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
11,055 reviews
Delta
7.9
Good
8,004 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Food

7.3

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 36m. Delta provides one of the quickest options available for as low as $419. There are 1980 mi between Ontario and Johnson City.

  • 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 $42). Flying from Ontario to Johnson City in March is currently the most expensive (average of $284). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$253Average$430FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$441FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$461FlexibilityNo cancel feeOn-time71%

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