HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chattanooga

$166+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Chattanooga with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 3, 2025.

Round-trip from

$289
(Delta)

One-way from

$166
(Delta)

Popular in

December

Cheapest in

February

Average price

$382
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. 11% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/3. 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 7/2810:05 pmONT - CHA
1 stop9h 00mDelta
Sat 8/25:30 amCHA - ONT
1 stop8h 00mDelta
Deal found 7/3$289
This American Airlines deal was found by Cheapflights users on 7/2. 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 7/296:15 amONT - CHA
2 stops10h 31mAmerican Airlines
Sat 8/24:39 pmCHA - ONT
1 stop7h 59mAmerican Airlines
Deal found 7/2$294
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/186:39 pmONT - CHA
2 stops13h 56mUnited Airlines
Sat 7/191:58 pmCHA - ONT
2 stops11h 54mUnited Airlines
Deal found 7/1$392

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 July 3, 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

Mon 7/28

10:05 pm-10:05 am

1 stop9h 00m

Chattanooga Lovell Field

Sat 8/2

5:30 am-10:30 am

1 stop8h 00m

$289

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 7/29

6:15 am-7:46 pm

2 stops10h 31m

Chattanooga Lovell Field

Sat 8/2

4:39 pm-9:38 pm

1 stop7h 59m

$294

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Fri 7/18

6:39 pm-11:35 am

2 stops13h 56m

Chattanooga Lovell Field

Sat 7/19

5:30 pm-10:06 pm

1 stop7h 36m

$392

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Wed 8/13

7:05 am-5:41 pm

1 stop7h 36m

$166

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Sat 8/9

7:00 am-1:41 pm

1 stop27h 41m

$180

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Mon 9/15

6:50 pm-11:36 am

2 stops13h 46m

$214

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 9/18

12:45 pm-11:58 pm

1 stop8h 13m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 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 July 3, 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 July 3, 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
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
7,970 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,845 reviews
Delta
8.0
Very good
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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
7,970 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

8.0

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 $294, and United Airlines, from $392. These flights start at 32% 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 ($166), United Airlines ($214), and American Airlines ($254).

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Chattanooga

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Nashville flights
Ontario to Nashville flights
San Francisco to Nashville flights
Burbank to Nashville flights
Santa Ana to Nashville flights
San Diego to Nashville flights
Las Vegas to Nashville flights
Los Angeles to Knoxville flights
Sacramento to Nashville flights
Los Angeles to Memphis flights
San Jose to Nashville flights
Monterey to Memphis flights
Oakland to Nashville flights
San Francisco to Knoxville flights
Santa Ana to Knoxville flights
Fresno to Nashville flights
Long Beach to Nashville flights
Ontario to Knoxville flights
Palm Springs to Nashville flights
San Francisco to Memphis flights
Ontario to Memphis flights
San Diego to Knoxville flights
San Jose to Knoxville flights
Burbank to Knoxville flights
Long Beach to Memphis flights
Santa Ana to Memphis flights
Bakersfield to Nashville flights
Sacramento to Knoxville flights
Las Vegas to Memphis flights
Los Angeles to Chattanooga flights
San Jose to Memphis flights
Reno to Nashville flights
Burbank to Memphis flights
San Francisco to Chattanooga flights
San Luis Obispo to Nashville flights
Sacramento to Memphis flights
Las Vegas to Knoxville flights
Los Angeles to Blountville flights
Fresno to Knoxville flights
Oakland to Memphis flights
Medford to Nashville flights
San Diego to Memphis flights
Santa Rosa to Nashville flights
Reno to Knoxville flights
Sacramento to Chattanooga flights
Oakland to Chattanooga flights
Monterey to Nashville flights
Santa Barbara to Nashville flights
San Diego to Chattanooga flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$197Average$345FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$418FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.