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Johnson City

$298+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — TYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$409
(Delta)

One-way from

$298
(Delta)

Popular in

May

Cheapest in

February

Average price

$423
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. 0% potential increase in price ($0 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 8/1010:05 pmONT - TRI
1 stop9h 05mDelta
Tue 8/193:40 pmTRI - ONT
1 stop6h 31mDelta
Deal found 6/10$409
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/207:05 pmONT - TRI
2 stops12h 41mAmerican Airlines
Sun 7/274:36 pmTRI - ONT
1 stop9h 21mAmerican Airlines
Deal found 6/10$439

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 June 12, 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

Sun 8/10

10:05 pm-10:10 am

1 stop9h 05m

Blountville Tri Cities TN/VA

Fri 8/22

1:21 pm-7:11 pm

1 stop8h 50m

$409

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sun 7/20

7:05 pm-10:46 am

2 stops12h 41m

Blountville Tri Cities TN/VA

Sun 7/27

4:36 pm-10:57 pm

1 stop9h 21m

$439

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Wed 6/25

10:05 pm-9:45 am

1 stop8h 40m

$298

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sun 9/7

7:16 pm-9:53 am

2 stops11h 37m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $296). 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 June 12, 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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

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 4 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.

  • 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 $296). 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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Alternative routes for Ontario to Johnson City

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$254FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$257Average$462FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$443FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$489FlexibilityNo cancel feeOn-time69%

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