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$136+ 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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ONT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$289
(Delta)

One-way from

$136
(Trip.com)

Popular in

March

Cheapest in

February

Average price

$448
Provider with most accurate pricing for Chattanooga Lovell Field-Ontario flight deals.
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Provider most trusted by Cheapflights users for Chattanooga Lovell Field-Ontario flights.
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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, 1% potential price rise
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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 12/92:25 pmCHA - ONT
1 stop8h 14mAmerican Airlines
Sun 12/1411:59 pmONT - CHA
1 stop8h 38mAmerican Airlines
Deal found 10/28$289
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/62:16 pmCHA - ONT
1 stop7h 01mAmerican Airlines
Sat 12/1312:44 pmONT - CHA
1 stop6h 03mAmerican Airlines
Deal found 10/28$290
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/142:05 pmCHA - ONT
1 stop8h 36mAmerican Airlines
Tue 11/183:08 pmONT - CHA
1 stop6h 07mAmerican Airlines
Deal found 10/27$314
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/145:20 pmCHA - ONT
1 stop8h 11mUnited Airlines
Tue 11/186:38 pmONT - CHA
2 stops13h 55mUnited Airlines
Deal found 10/27$319
This Delta deal was found by Cheapflights users on 10/27. 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 11/243:10 pmCHA - ONT
2 stops11h 42mDelta
Mon 12/110:25 pmONT - CHA
1 stop7h 52mDelta
Deal found 10/27$329
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/122:25 pmCHA - ONT
1 stop8h 16mAmerican Airlines
Sat 11/156:10 amONT - CHA
1 stop8h 34mAmerican Airlines
Deal found 10/27$339
This Delta deal was found by Cheapflights users on 10/27. 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 12/156:19 pmCHA - ONT
1 stop7h 45mDelta
Tue 1/610:30 pmONT - CHA
1 stop7h 35mDelta
Deal found 10/27$354
This Delta deal was found by Cheapflights users on 10/27. 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 11/125:50 amCHA - ONT
2 stops13h 19mDelta
Sat 11/154:49 pmONT - CHA
2 stops13h 26mDelta
Deal found 10/27$369

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 October 29, 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 3/14

4:30 pm-9:14 pm

1 stop7h 44m

Ontario

Tue 3/17

10:30 pm-9:05 am

1 stop7h 35m

$289

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 12/9

2:25 pm-7:39 pm

1 stop8h 14m

Ontario

Sun 12/14

11:59 pm-11:37 am

1 stop8h 38m

$289

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Sat 2/21

3:15 pm-9:14 pm

1 stop8h 59m

Ontario

Wed 2/25

10:30 pm-9:05 am

1 stop7h 35m

$289

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Sat 2/7

11:47 am-9:48 pm

2 stops13h 01m

Ontario

Fri 2/13

10:30 pm-10:06 am

1 stop8h 36m

$294

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 3/10

4:30 pm-9:14 pm

1 stop7h 44m

Ontario

Wed 3/18

10:30 pm-9:05 am

1 stop7h 35m

$310

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Wed 3/11

4:30 pm-9:14 pm

1 stop7h 44m

Ontario

Mon 3/16

10:30 pm-9:05 am

1 stop7h 35m

$310

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Sun 11/23

9:32 pm-2:26 pm

1 stop19h 54m

$136

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Mon 12/8

8:54 pm-9:17 pm

3 stops27h 23m

$221

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Mon 12/8

6:19 pm-11:04 pm

1 stop7h 45m

$299

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 11/18

5:50 am-4:09 pm

2 stops13h 19m

$310

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 15 results
1
2

Compare providers for flights from Chattanooga to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chattanooga to Ontario in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chattanooga-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chattanooga-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chattanooga-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chattanooga-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chattanooga-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Currently, July is the cheapest month in which you can book a flight from Chattanooga to Ontario (average of $143). Flying from Chattanooga to Ontario in September is currently the most expensive (average of $270). 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 October 29, 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 Sunday evenings 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 October 29, 2025.
Peruse reviews from past customers who have flown with Delta 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
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
11,032 reviews
Delta
7.9
Good
7,992 reviews

Comfort

7.9

Overall

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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.

  • How long is the flight from Chattanooga to Ontario?

    For as low as $289, Delta can have you in Ontario from Chattanooga in 7h 44m. Airlines will cover a distance of 1835 mi. This flight may include one or multiple stops.

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

    American Airlines, at $288, was found to be the cheapest airline from Chattanooga to Ontario. An alternate airline flying to your destination would be Delta. Users have found that American Airlines is 33% cheaper than the other options available to this destination.

  • 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, July is the cheapest month in which you can book a flight from Chattanooga to Ontario (average of $143). Flying from Chattanooga to Ontario in September is currently the most expensive (average of $270). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$456FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$396FlexibilityNo cancel feeOn-timeN/A

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