HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GSP
Nov 23 — Nov 301
Sun 11/23
Sun 11/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Johnson City with Cheapflights

1. Tell us where you want to go

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 24, 2025.

This American Airlines deal was found by Cheapflights users on 10/23. 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 11/116:10 amONT - TRI
1 stop6h 32mAmerican Airlines
Mon 11/177:00 amTRI - ONT
1 stop7h 54mAmerican Airlines
Deal found 10/23$507
This Delta deal was found by Cheapflights users on 10/22. 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.
Sat 12/2010:29 pmONT - TRI
1 stop8h 05mDelta
Thu 12/256:00 amTRI - ONT
1 stop7h 00mDelta
Deal found 10/22$518
This American Airlines deal was found by Cheapflights users on 10/22. 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 11/910:34 pmONT - TRI
1 stop8h 05mAmerican Airlines
Sun 11/162:40 pmTRI - ONT
1 stop9h 31mAmerican Airlines
Deal found 10/22$528
This Delta deal was found by Cheapflights users on 10/22. 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 10/2210:00 pmONT - TRI
1 stop8h 22mDelta
Wed 10/291:28 pmTRI - ONT
1 stop8h 51mDelta
Deal found 10/22$597
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 12/2210:29 pmONT - TRI
1 stop8h 05mDelta
Thu 12/256:00 amTRI - ONT
1 stop7h 00mDelta
Deal found 10/22$653
This American Airlines deal was found by Cheapflights users on 10/22. 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 12/2110:40 pmONT - TRI
1 stop8h 33mAmerican Airlines
Thu 12/256:00 amTRI - ONT
1 stop8h 53mAmerican Airlines
Deal found 10/22$747

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 October 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$419
(Delta)

Popular in

May

Cheapest in

August

Average price

$498
Provider with most accurate pricing for Los Angeles-Blountville Tri Cities TN/VA flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Blountville Tri Cities TN/VA flights.
Search Deals
From Ontario to Johnson City
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 24, 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 1/10

10:30 pm-9:35 am

1 stop8h 05m

Blountville Tri Cities TN/VA

Sat 1/17

3:00 pm-9:14 pm

1 stop9h 14m

$419

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Wed 4/15

12:00 pm-10:29 pm

1 stop7h 29m

Blountville Tri Cities TN/VA

Sat 4/18

3:50 pm-10:09 pm

1 stop9h 19m

$419

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Mon 1/12

10:30 pm-9:35 am

1 stop8h 05m

Blountville Tri Cities TN/VA

Sat 1/17

3:00 pm-9:14 pm

1 stop9h 14m

$453

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sun 1/11

10:30 pm-9:35 am

1 stop8h 05m

Blountville Tri Cities TN/VA

Sat 1/17

3:00 pm-9:14 pm

1 stop9h 14m

$453

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Fri 1/9

5:05 pm-9:35 am

2 stops13h 30m

Blountville Tri Cities TN/VA

Sat 1/17

3:00 pm-9:14 pm

1 stop9h 14m

$458

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Fri 1/9

10:30 pm-9:35 am

1 stop8h 05m

Blountville Tri Cities TN/VA

Mon 1/19

3:50 pm-9:14 pm

1 stop8h 24m

$487

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

Sun 1/11

10:30 pm-9:35 am

1 stop8h 05m

Blountville Tri Cities TN/VA

Mon 1/19

3:50 pm-9:14 pm

1 stop8h 24m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

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 October 24, 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 October 24, 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
7,982 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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
7,982 reviews
Delta
7.9
Good
7,982 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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
11,033 reviews
Delta
7.9
Good
7,982 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

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 05m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Johnson City

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Nashville flights
Ontario to Nashville flights
Burbank to Nashville flights
San Francisco to Nashville flights
Santa Ana to Nashville flights
San Diego to Nashville flights
Los Angeles to Knoxville flights
Los Angeles to Memphis flights
Sacramento to Nashville flights
San Jose to Nashville flights
Ontario to Memphis flights
Las Vegas to Nashville flights
Long Beach to Nashville flights
San Francisco to Knoxville flights
Ontario to Knoxville flights
Santa Ana to Memphis flights
Oakland to Nashville flights
San Diego to Knoxville flights
San Diego to Memphis flights
Fresno to Nashville flights
Reno to Nashville flights
Palm Springs to Nashville flights
Las Vegas to Memphis flights
San Francisco to Memphis flights
Burbank to Knoxville flights
Santa Ana to Knoxville flights
San Jose to Knoxville flights
San Luis Obispo to Nashville flights
Burbank to Memphis flights
Long Beach to Memphis flights
San Francisco to Chattanooga flights
Ontario to Chattanooga flights
Sacramento to Knoxville flights
Sacramento to Chattanooga flights
San Jose to Memphis flights
Bakersfield to Nashville flights
Fresno to Knoxville flights
Los Angeles to Chattanooga flights
Medford to Nashville flights
Las Vegas to Knoxville flights
Fresno to Chattanooga flights
Sacramento to Memphis flights
Long Beach to Knoxville flights
San Diego to Chattanooga flights
Santa Ana to Chattanooga flights
Las Vegas to Chattanooga flights
San Diego to Blountville flights
Oakland to Knoxville flights
Oakland to Memphis flights
Monterey to Nashville flights

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 October 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$444FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$451FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$433FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights