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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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$289
(Delta)

One-way from

$166
(Delta)

Popular in

March

Cheapest in

September

Average price

$545
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. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 7/315:30 amCHA - ONT
1 stop8h 00mDelta
Wed 8/611:50 amONT - CHA
1 stop8h 33mDelta
Deal found 6/10$289
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/286:29 pmCHA - ONT
1 stop8h 25mAmerican Airlines
Sat 8/212:46 pmONT - CHA
1 stop6h 58mAmerican Airlines
Deal found 6/12$326
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:30 amCHA - ONT
1 stop10h 36mUnited Airlines
Sat 10/187:02 amONT - CHA
1 stop6h 44mUnited Airlines
Deal found 6/12$379

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 June 12, 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

Thu 7/31

5:30 am-10:30 am

1 stop8h 00m

Ontario

Wed 8/6

11:50 am-11:23 pm

1 stop8h 33m

$289

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Mon 7/28

6:29 pm-11:54 pm

1 stop8h 25m

Ontario

Sat 8/2

12:46 pm-10:44 pm

1 stop6h 58m

$326

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Sat 10/11

10:30 am-6:06 pm

1 stop10h 36m

Ontario

Sat 10/18

7:02 am-4:46 pm

1 stop6h 44m

$379

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Tue 8/19

4:08 pm-10:20 pm

1 stop9h 12m

$166

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Wed 7/2

4:42 pm-9:33 pm

1 stop7h 51m

$239

ChattanoogaOntario

CHA - ONT

CHAONT

Chattanooga Lovell Field

Mon 7/14

5:30 pm-8:54 pm

2 stops30h 24m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, 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 June 12, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 June 12, 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 compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

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
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

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
7,946 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

7.9

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 $289, 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 34% 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. American Airlines flights start at $239 while deals on United Airlines start at $338 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$447FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$397FlexibilityNo cancel feeOn-timeN/A

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