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$166+ Cheap flights from Chattanooga to Ontario (CHA - ONT)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ONT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Chattanooga Lovell Field to Ontario are usually found in February or April, booked 9 days in advance, depart on a Tuesday or Saturday and return on a Saturday

Cheap flight deals from Chattanooga to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Chattanooga (CHA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2025.

Round-trip from

$287
(Delta)

One-way from

$166
(Delta)

Popular in

March

Cheapest in

February

Average price

$388
From Chattanooga Lovell Field to Ontario
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One-way flight from Chattanooga Lovell Field to Ontario
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Chattanooga to Ontario

Cheapest flights from Chattanooga to Ontario
Explore the most affordable flight options available from Chattanooga to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Delta deal was found by Cheapflights users on 7/29. 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 8/305:54 amCHA - ONT
1 stop7h 26mDelta
Sat 9/611:45 amONT - CHA
1 stop8h 57mDelta
Deal found 7/29$287
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/288:21 pmCHA - ONT
1 stop6h 47mAmerican Airlines
Tue 9/211:29 pmONT - CHA
1 stop10h 05mAmerican Airlines
Deal found 7/28$289
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2612:11 pmCHA - ONT
2 stops11h 22mUnited Airlines
Tue 9/26:50 pmONT - CHA
2 stops13h 46mUnited Airlines
Deal found 7/29$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chattanooga to Ontario 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 July 30, 2025.
Use the filters below to find and compare flights from Chattanooga to Ontario that are best for you.

Fly from

Chattanooga

Fly to

Ontario

Route

Depart

Return

Price

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Sat 8/30

5:54 am-10:20 am

1 stop7h 26m

Ontario

Sat 9/6

11:45 am-11:42 pm

1 stop8h 57m

$287

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Thu 8/28

8:21 pm-12:08 am

1 stop6h 47m

Ontario

Tue 9/2

11:29 pm-12:34 pm

1 stop10h 05m

$289

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 8/26

5:21 pm-10:30 pm

1 stop8h 09m

Ontario

Tue 9/2

6:50 pm-11:36 am

2 stops13h 46m

$384

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Wed 9/10

7:05 am-10:35 am

1 stop6h 30m

$166

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Wed 9/3

5:21 pm-10:30 pm

1 stop8h 09m

$211

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 9/9

7:22 am-4:05 pm

2 stops11h 43m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Chattanooga to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Chattanooga 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 Chattanooga to Ontario

How far ahead should I book a flight from Chattanooga to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Chattanooga to Ontario. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Chattanooga to Ontario, you should look to book at least 9 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chattanooga to Ontario?

Currently, August is the cheapest month in which you can book a flight from Chattanooga to Ontario (average of $246). Flying from Chattanooga to Ontario in March is currently the most expensive (average of $328). 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 CHA to ONT?

Find hourly flight availability from Chattanooga to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

One of the essential ways to save on airfare from Chattanooga to Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.

What is the cheapest day to fly from Chattanooga to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Chattanooga to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chattanooga to Ontario flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Chattanooga to Ontario 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
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Chattanooga to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Chattanooga to Ontario round-trip?

    Delta, at $287, was found to be the cheapest airline from Chattanooga to Ontario.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Users have found that Delta is 33% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chattanooga to Ontario one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $166. United Airlines flights start at $211 while deals on American Airlines start at $214 one-way.

  • Can I find deals for flights from Chattanooga to Ontario that include hotel bookings?

    Yes. In addition to deals on Chattanooga to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chattanooga to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chattanooga to Ontario.

  • Can I find deals for business class flights from Chattanooga to Ontario?

    Yes. Cheapflights offers flight deals from Chattanooga to Ontario 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 Chattanooga to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Chattanooga to Ontario (average of $246). Flying from Chattanooga to Ontario in March is currently the most expensive (average of $328). 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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Top 2 airlines flying from Chattanooga to Ontario

Discover the top 2 airlines that operate flights from Chattanooga to Ontario. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$412FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$456FlexibilityNo cancel feeOn-time71%

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