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Chattanooga

$126+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Chattanooga Lovell Field are usually found in February or June, booked 46 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap 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 September 15, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$126
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$483
From Ontario to Chattanooga Lovell Field
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One-way flight from Ontario to Chattanooga Lovell Field
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Highest demand for flights based on searches. 16% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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 11/810:34 pmONT - CHA
1 stop7h 01mAmerican Airlines
Thu 11/132:05 pmCHA - ONT
1 stop10h 06mAmerican Airlines
Deal found 9/13$289
This Delta deal was found by Cheapflights users on 9/14. 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 11/89:50 amONT - CHA
2 stops10h 12mDelta
Thu 11/133:09 pmCHA - ONT
2 stops11h 43mDelta
Deal found 9/14$299
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 9/2610:00 pmONT - CHA
1 stop7h 58mDelta
Tue 9/305:54 amCHA - ONT
1 stop7h 48mDelta
Deal found 9/12$339
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:00 amONT - CHA
1 stop26h 50mMultiple Airlines
Mon 10/204:15 pmCHA - ONT
2 stops31h 27mMultiple Airlines
Deal found 9/14$354
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/710:29 pmONT - CHA
1 stop8h 23mAmerican Airlines
Tue 10/142:14 pmCHA - ONT
1 stop10h 22mAmerican Airlines
Deal found 9/13$372
This American Airlines deal was found by Cheapflights users on 9/13. 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 10/1110:29 pmONT - CHA
1 stop7h 03mAmerican Airlines
Sat 10/188:57 amCHA - ONT
2 stops9h 27mAmerican Airlines
Deal found 9/13$377
This Delta deal was found by Cheapflights users on 9/13. 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.
Tue 10/710:00 pmONT - CHA
2 stops13h 09mDelta
Tue 10/144:04 pmCHA - ONT
1 stop9h 18mDelta
Deal found 9/13$403
This Delta deal was found by Cheapflights users on 9/13. 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.
Thu 10/2310:00 pmONT - CHA
2 stops13h 09mDelta
Tue 10/283:05 pmCHA - ONT
2 stops9h 15mDelta
Deal found 9/13$408

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 September 15, 2025.
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

Sat 11/8

10:34 pm-8:35 am

1 stop7h 01m

Chattanooga Lovell Field

Thu 11/13

2:05 pm-9:11 pm

1 stop10h 06m

$289

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Sat 10/11

6:51 pm-11:36 am

2 stops13h 45m

Chattanooga Lovell Field

Sat 10/18

10:30 am-8:24 pm

2 stops12h 54m

$299

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Sat 11/8

9:50 am-11:02 pm

2 stops10h 12m

Chattanooga Lovell Field

Thu 11/13

3:09 pm-11:52 pm

2 stops11h 43m

$299

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Fri 9/26

10:00 pm-8:58 am

1 stop7h 58m

Chattanooga Lovell Field

Tue 9/30

5:54 am-10:42 am

1 stop7h 48m

$339

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Wed 10/15

8:00 am-1:50 pm

1 stop26h 50m

Chattanooga Lovell Field

Mon 10/20

4:15 pm-8:42 pm

2 stops31h 27m

$354

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 10/14

7:02 am-4:46 pm

1 stop6h 44m

Chattanooga Lovell Field

Sun 10/19

10:30 am-7:35 pm

2 stops12h 05m

$384

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 10/7

10:00 pm-2:09 pm

2 stops13h 09m

Chattanooga Lovell Field

Tue 10/14

4:04 pm-10:22 pm

1 stop9h 18m

$403

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Wed 10/1

8:00 am-1:50 pm

1 stop26h 50m

$126

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 9/30

8:00 am-11:04 am

3 stops48h 04m

$190

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 9/30

8:15 am-8:16 pm

1 stop9h 01m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 11 results
1
2

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

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Chattanooga. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Chattanooga, you should look to book at least 46 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 Ontario to Chattanooga?

Currently, November is the cheapest month in which you can book a flight from Ontario to Chattanooga (average of $323). Flying from Ontario to Chattanooga in October is currently the most expensive (average of $412). 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 CHA?

Find hourly flight availability from Ontario to Chattanooga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Chattanooga in the afternoon. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight in the morning.

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 September 15, 2025.
Peruse reviews from past customers who have flown with Delta 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
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

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 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?

    American Airlines, United Airlines, and Delta can get you from Ontario to Chattanooga in just under 7h 01m. Your travel time can differ by up to 6h 44m. 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 $288. Another airline that can offer you cheap pricing is American Airlines. These flights start at 32% lower than the current average price 3 months from now.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Chattanooga (average of $323). Flying from Ontario to Chattanooga in October is currently the most expensive (average of $412). 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

Traveling to a place near Chattanooga?

Book flights to Chattanooga if you plan to visit one of these locations
Ringgold

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Top 2 airlines flying from Ontario to Chattanooga

Discover the top 2 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$330FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$288Average$405FlexibilityNo cancel feeOn-time71%

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