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$209+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHA
jul. 13 — jul. 201
dom. 7/13
dom. 7/20
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 julio 8, 2025.

Round-trip from

$289
(Delta)

One-way from

$209
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$382
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. 11% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 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 julio 8, 2025.

This Delta deal was found by Cheapflights users on 7/6. 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. 7/2810:05 pmONT - CHA
1 stop9h 00mDelta
sáb. 8/25:30 amCHA - ONT
1 stop8h 00mDelta
Deal found 7/6$289
This American Airlines deal was found by Cheapflights users on 7/7. 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.
mar. 7/298:15 amONT - CHA
2 stops10h 07mAmerican Airlines
sáb. 8/22:00 pmCHA - ONT
2 stops10h 38mAmerican Airlines
Deal found 7/7$299
This United Airlines deal was found by Cheapflights users on 7/7. 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.
sáb. 10/117:02 amONT - CHA
1 stop6h 44mUnited Airlines
sáb. 10/1810:30 amCHA - ONT
1 stop10h 36mUnited Airlines
Deal found 7/7$309

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 julio 8, 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

lun. 7/28

10:05 pm-10:05 am

1 stop9h 00m

Chattanooga Lovell Field

sáb. 8/2

5:30 am-10:30 am

1 stop8h 00m

$289

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

mar. 7/29

8:15 am-9:22 pm

2 stops10h 07m

Chattanooga Lovell Field

sáb. 8/2

2:00 pm-9:38 pm

2 stops10h 38m

$299

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

sáb. 10/11

7:02 am-4:46 pm

1 stop6h 44m

Chattanooga Lovell Field

sáb. 10/18

10:30 am-6:06 pm

1 stop10h 36m

$309

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

mié. 8/27

8:14 am-5:42 pm

1 stop6h 28m

$209

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

vie. 8/15

6:31 pm-4:55 pm

2 stops19h 24m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

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 June 27, 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 $418). 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 julio 8, 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 julio 8, 2025.
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
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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
8.0
Very good
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,844 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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
10,000 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Boarding

8.2

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.

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

    Cheapflights users have booked flights from Ontario to Chattanooga round-trip from $289. Other airlines that can offer you cheap pricing are American Airlines, from $299, and United Airlines, from $309. 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 $418). 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 Ontario?

Book flights to Ontario 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 julio 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$197Average$340FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$279Average$417FlexibilityNo cancel feeOn-time71%

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