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Chattanooga

$96+ Cheap flights from Ontario to Chattanooga (ONT - CHA)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Ontario to Chattanooga

Cheapest flights from Ontario to Chattanooga
Explore the most affordable flight options available from Ontario to Chattanooga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 3/511:59 pm
ONT
-
CHA
1 stop7h 13m
United Airlines
Tue 3/105:22 pm
CHA
-
ONT
1 stop7h 56m
United Airlines
Deal found 1/19$309
This American Airlines deal was found by Cheapflights users on 1/21. 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 2/2011:58 pm
ONT
-
CHA
1 stop8h 47m
American Airlines
Sat 2/289:08 am
CHA
-
ONT
2 stops13h 01m
American Airlines
Deal found 1/21$314
This American Airlines deal was found by Cheapflights users on 1/18. 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 2/267:05 pm
ONT
-
CHA
2 stops10h 38m
American Airlines
Sat 2/289:08 am
CHA
-
ONT
2 stops13h 01m
American Airlines
Deal found 1/18$320
This Delta deal was found by Cheapflights users on 1/19. 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 2/710:30 pm
ONT
-
CHA
1 stop7h 33m
Delta
Sat 2/143:03 pm
CHA
-
ONT
1 stop9h 02m
Delta
Deal found 1/19$334
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/1611:58 pm
ONT
-
CHA
1 stop8h 48m
American Airlines
Mon 2/236:28 pm
CHA
-
ONT
1 stop7h 21m
American Airlines
Deal found 1/19$335
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/211:59 pm
ONT
-
CHA
2 stops10h 45m
American Airlines
Fri 2/276:29 pm
CHA
-
ONT
1 stop7h 00m
American Airlines
Deal found 1/19$339
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/611:59 pm
ONT
-
CHA
2 stops10h 45m
American Airlines
Sun 2/86:00 am
CHA
-
ONT
1 stop7h 08m
American Airlines
Deal found 1/19$364
This United Airlines deal was found by Cheapflights users on 1/18. 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.
Wed 3/2511:59 pm
ONT
-
CHA
1 stop7h 13m
United Airlines
Tue 3/315:41 pm
CHA
-
ONT
1 stop7h 45m
United Airlines
Deal found 1/18$399
This American Airlines deal was found by Cheapflights users on 1/19. 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 1/2910:58 am
ONT
-
CHA
1 stop8h 18m
American Airlines
Thu 2/512:21 pm
CHA
-
ONT
1 stop8h 01m
American Airlines
Deal found 1/19$404

Find flight deals from Ontario to Chattanooga

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Chattanooga (CHA). 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$309
(United Airlines)

One-way from

$96
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$532
Provider with most accurate pricing for Ontario-Chattanooga Lovell Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Chattanooga Lovell Field flights.
Search Deals
From Ontario to Chattanooga Lovell Field
Search Deals
One-way flight from Ontario to Chattanooga Lovell Field
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Chattanooga 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 January 21, 2026.
Use the filters below to find and compare flights from Ontario to Chattanooga that are best for you.

Fly from

Ontario

Fly to

Chattanooga

Route

Depart

Return

Price

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Mon 2/9

10:30 pm-9:03 am

1 stop7h 33m

Chattanooga Lovell Field

Sat 2/14

3:03 pm-9:05 pm

1 stop9h 02m

$309

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 2/26

10:37 pm-8:43 am

1 stop7h 06m

Chattanooga Lovell Field

Sat 2/28

1:55 pm-9:24 pm

1 stop10h 29m

$309

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 3/5

11:59 pm-10:12 am

1 stop7h 13m

Chattanooga Lovell Field

Tue 3/10

5:22 pm-10:18 pm

1 stop7h 56m

$309

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 3/5

10:37 pm-8:43 am

1 stop7h 06m

Chattanooga Lovell Field

Mon 3/9

6:28 pm-11:59 pm

1 stop8h 31m

$309

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Fri 2/20

11:58 pm-11:45 am

1 stop8h 47m

Chattanooga Lovell Field

Sat 2/28

12:19 pm-6:42 pm

1 stop9h 23m

$309

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Fri 3/6

10:37 pm-8:43 am

1 stop7h 06m

Chattanooga Lovell Field

Mon 3/9

6:28 pm-11:59 pm

1 stop8h 31m

$309

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Sat 4/11

6:49 pm-10:07 am

2 stops12h 18m

Chattanooga Lovell Field

Tue 4/14

5:20 pm-9:50 pm

1 stop7h 30m

$314

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 3/26

8:07 am-9:25 pm

1 stop10h 18m

$103

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Fri 3/27

9:48 pm-8:46 pm

3 stops43h 58m

$228

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Fri 3/27

10:36 pm-8:43 am

1 stop7h 07m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 13 results
1
2

Compare providers for flights from Ontario to Chattanooga

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 Ontario to Chattanooga in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Ontario-Chattanooga flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Chattanooga flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Chattanooga flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Chattanooga flights, Cheapflights users trust Expedia the most. Expedia 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 Ontario-Chattanooga 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 Ontario to Chattanooga

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

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

Currently, July is the cheapest month in which you can book a flight from Ontario to Chattanooga (average of $128). Flying from Ontario to Chattanooga 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.

Reviews of airlines servicing Chattanooga

Get insights into the airlines that provide service to Chattanooga. 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 Chattanooga. Reviews last updated January 21, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Ontario to Chattanooga 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
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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
8,089 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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
11,174 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

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 Chattanooga. 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 Ontario to Chattanooga?

    Delta, American Airlines, and United Airlines can get you from Ontario to Chattanooga in just under 7h 06m. Your travel time can differ by up to 27m. There are 1835 mi between Ontario and Chattanooga. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Ontario to Chattanooga round-trip from $279. Other airlines that can offer you cheap pricing are United Airlines, from $287, and American Airlines, from $288. These flights start at 34% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Ontario to Chattanooga are Delta ($153), United Airlines ($210), and American Airlines ($253).

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Ontario to Chattanooga (average of $128). Flying from Ontario to Chattanooga 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

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Top 3 airlines flying from Ontario to Chattanooga

Discover the top 3 airlines that operate flights from Ontario to Chattanooga. 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$279Average$338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$415FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$387FlexibilityNo cancel feeOn-time71%

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