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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GSP
dic. 17 — dic. 241
mié. 12/17
mié. 12/24
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 noviembre 17, 2025.

This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/812:12 pmONT - TRI
1 stop7h 22mDelta
sáb. 12/136:05 amTRI - ONT
1 stop7h 57mDelta
Deal found 11/17$507
This Delta deal was found by Cheapflights users on 11/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/812:12 pmONT - TRI
1 stop7h 22mDelta
jue. 12/1112:52 pmTRI - ONT
1 stop9h 47mDelta
Deal found 11/17$737

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 noviembre 17, 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

$442
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. 15% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 noviembre 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

mié. 4/15

10:59 pm-9:35 am

1 stop7h 36m

Blountville Tri Cities TN/VA

sáb. 4/18

4:30 pm-10:09 pm

1 stop8h 39m

$419

OntarioBlountville

ONT - TRI

ONTTRI

Ontario

mar. 5/12

10:59 pm-9:35 am

1 stop7h 36m

Blountville Tri Cities TN/VA

lun. 5/18

12:49 pm-6:15 pm

1 stop8h 26m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

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 noviembre 17, 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 noviembre 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
7.9
Good
8,008 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

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
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

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
11,048 reviews
Delta
7.9
Good
8,008 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Food

7.3

Comfort

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 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

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
San Francisco to Nashville flights
Santa Ana to Nashville flights
Los Angeles to Memphis flights
San Diego to Nashville flights
Los Angeles to Knoxville flights
Las Vegas to Nashville flights
Burbank to Nashville flights
Sacramento to Nashville flights
San Jose to Nashville flights
Ontario to Memphis flights
San Francisco to Knoxville flights
Fresno to Nashville flights
Long Beach to Nashville flights
Oakland to Nashville flights
San Francisco to Memphis flights
Bakersfield to Nashville flights
San Diego to Memphis flights
San Diego to Knoxville flights
Reno to Nashville flights
Santa Ana to Memphis flights
Ontario to Knoxville flights
Palm Springs to Nashville flights
Las Vegas to Knoxville flights
Sacramento to Knoxville flights
San Jose to Knoxville flights
Burbank to Memphis flights
Las Vegas to Memphis flights
Los Angeles to Chattanooga flights
Long Beach to Memphis flights
Burbank to Knoxville flights
San Francisco to Chattanooga flights
Santa Ana to Knoxville flights
Santa Ana to Chattanooga flights
Reno to Memphis flights
San Jose to Memphis flights
San Luis Obispo to Nashville flights
Sacramento to Chattanooga flights
Medford to Nashville flights
Ontario to Chattanooga flights
Oakland to Memphis flights
San Luis Obispo to Knoxville flights
Santa Rosa to Nashville flights
Monterey to Nashville flights
San Diego to Chattanooga flights
Fresno to Knoxville flights
Sacramento to Memphis flights
San Diego to Blountville flights
Fresno to Chattanooga 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 noviembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$253Average$430FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$463FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$430FlexibilityNo 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.