How long is the flight from Ontario to Chattanooga?

Delta and American Airlines can get you from Ontario to Chattanooga in just under 7h 33m. Your travel time can differ by up to 1h 15m. 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 33% 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).

In terms of precipitation, rainfall in Chattanooga ranges from 3.3 - 5.0 inches per month. March is typically the wettest month, when rainfall can reach 5.0 in. October is typically the driest time to visit Chattanooga when rainfall is around 3.3 in.

If weather is an important factor for your trip to Chattanooga, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What are the most popular airlines that fly from Ontario to Chattanooga?

Before booking your flight from Ontario to Chattanooga check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

Most accurate provider : When it comes to deals on Ontario-Chattanooga flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Chattanooga flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$170+ Flights from Ontario to Chattanooga

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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 December 28, 2025.

Sun 12/2811:10 amONT - CHA

1 stop7h 37mDelta

Sun 1/113:00 pmCHA - ONT

1 stop9h 05mDelta

Deal found 12/26

$439

Sun 12/289:53 amONT - CHA

2 stops10h 49mAmerican Airlines

Sun 1/116:34 pmCHA - ONT

1 stop7h 14mAmerican Airlines

Deal found 12/26

$444

Best flights from Ontario to Chattanooga
Discover carefully curated flight deals from Ontario to Chattanooga that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Tue 1/2010:30 pmONT - CHA

1 stop7h 33mDelta

Sat 1/244:30 pmCHA - ONT

1 stop7h 35mDelta

Deal found 12/27

$309

Tue 1/209:59 amONT - CHA

2 stops8h 48mAmerican Airlines

Sat 1/2410:00 amCHA - ONT

2 stops11h 20mAmerican Airlines

Deal found 12/27

$319

Fri 5/296:02 amONT - CHA

1 stop7h 11mUnited Airlines

Sat 5/3012:10 pmCHA - ONT

2 stops13h 56mUnited Airlines

Deal found 12/27

$387

Sat 2/147:10 amONT - CHA

1 stop7h 43mAmerican Airlines

Tue 2/1712:18 pmCHA - ONT

1 stop7h 06mAmerican Airlines

Deal found 12/27

$334

Thu 1/810:30 pmONT - CHA

1 stop7h 33mDelta

Tue 1/133:00 pmCHA - ONT

1 stop9h 05mDelta

Deal found 12/26

$359

Wed 3/2511:59 pmONT - CHA

1 stop7h 13mUnited Airlines

Wed 4/225:41 pmCHA - ONT

1 stop7h 45mUnited Airlines

Deal found 12/28

$399

Fri 4/2410:15 pmONT - CHA

1 stop8h 31mDelta

Mon 4/274:32 pmCHA - ONT

1 stop7h 26mDelta

Deal found 12/26

$364

Thu 3/511:59 pmONT - CHA

1 stop7h 13mUnited Airlines

Sun 3/85:22 pmCHA - ONT

1 stop8h 03mUnited Airlines

Deal found 12/25

$405

Thu 1/811:59 pmONT - CHA

2 stops10h 45mAmerican Airlines

Tue 1/136:34 pmCHA - ONT

1 stop7h 14mAmerican Airlines

Deal found 12/26

$409

Last-minute flights from Ontario to Chattanooga
Discover last-minute flight deals from Ontario to Chattanooga. Data last updated December 28, 2025 and is based on user searches.

Sun 12/2811:10 amONT - CHA

1 stop7h 37mDelta

Sun 1/113:00 pmCHA - ONT

1 stop9h 05mDelta

Deal found 12/26

$439

Sun 12/289:53 amONT - CHA

2 stops10h 49mAmerican Airlines

Sun 1/116:34 pmCHA - ONT

1 stop7h 14mAmerican Airlines

Deal found 12/26

$444

Thu 1/112:55 pmONT - CHA

2 stops8h 41mAmerican Airlines

Sat 1/35:35 amCHA - ONT

1 stop7h 03mAmerican Airlines

Deal found 12/27

$411

Thu 1/810:30 pmONT - CHA

1 stop7h 33mDelta

Tue 1/133:00 pmCHA - ONT

1 stop9h 05mDelta

Deal found 12/26

$359

Thu 1/810:58 amONT - CHA

1 stop8h 33mAmerican Airlines

Tue 1/1310:27 amCHA - ONT

2 stops10h 53mAmerican Airlines

Deal found 12/28

$409

Tue 1/2010:30 pmONT - CHA

1 stop7h 33mDelta

Sat 1/244:30 pmCHA - ONT

1 stop7h 35mDelta

Deal found 12/27

$309

Tue 1/206:00 amONT - CHA

2 stops12h 47mAmerican Airlines

Sat 1/2412:21 pmCHA - ONT

1 stop9h 24mAmerican Airlines

Deal found 12/27

$314

One-way flights from Ontario to Chattanooga
Search for one-way flight options from Ontario to Chattanooga. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Sat 1/103:21 pmONT - CHA

1 stop18h 23mMultiple Airlines

Deal found 12/25

$170

Mon 3/3011:59 pmONT - CHA

1 stop6h 55mAmerican Airlines

Deal found 12/27

$299

Mon 3/306:49 pmONT - CHA

2 stops12h 18mUnited Airlines

Deal found 12/27

$304

Mon 3/305:10 pmONT - CHA

3 stops59h 36mMultiple Airlines

Deal found 12/27

$334

Sat 1/310:29 pmONT - CHA

1 stop8h 27mDelta

Deal found 12/26

$423

Fri 1/910:30 pmONT - CHA

1 stop7h 33mDelta

Deal found 12/26

$425

Tue 1/66:32 pmONT - CHA

2 stops14h 12mUnited Airlines

Deal found 12/26

$428

Fri 1/96:39 pmONT - CHA

2 stops14h 05mUnited Airlines

Deal found 12/26

$430

Thu 2/261:45 pmONT - CHA

2 stops18h 48mUnited Airlines

Deal found 12/26

$437

Sat 1/39:53 amONT - CHA

2 stops9h 06mAmerican Airlines

Deal found 12/26

$462

Find flight deals from Ontario to Chattanooga

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$309 (Delta)
One-way from	$170 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$681

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. 24% potential increase in price ($134 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Chattanooga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 1/20

10:30 pm-9:03 am

1 stop7h 33m

Chattanooga Lovell Field

Sat 1/24

4:30 pm-9:05 pm

1 stop7h 35m

$309

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Tue 1/20

9:59 am-9:47 pm

2 stops8h 48m

Chattanooga Lovell Field

Sat 1/24

10:00 am-6:20 pm

2 stops11h 20m

$319

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Sat 2/14

7:10 am-5:53 pm

1 stop7h 43m

Chattanooga Lovell Field

Tue 2/17

12:18 pm-4:24 pm

1 stop7h 06m

$334

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 1/8

10:30 pm-9:03 am

1 stop7h 33m

Chattanooga Lovell Field

Tue 1/13

3:00 pm-9:05 pm

1 stop9h 05m

$359

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Fri 4/24

10:15 pm-9:46 am

1 stop8h 31m

Chattanooga Lovell Field

Mon 4/27

4:32 pm-8:58 pm

1 stop7h 26m

$364

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Fri 5/29

6:02 am-4:13 pm

1 stop7h 11m

Chattanooga Lovell Field

Sat 5/30

12:10 pm-11:06 pm

2 stops13h 56m

$387

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Wed 3/25

11:59 pm-10:12 am

1 stop7h 13m

Chattanooga Lovell Field

Wed 4/22

5:41 pm-10:26 pm

1 stop7h 45m

$399

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 3/5

11:59 pm-10:12 am

1 stop7h 13m

Chattanooga Lovell Field

Sun 3/8

5:22 pm-10:25 pm

1 stop8h 03m

$405

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Thu 1/8

11:59 pm-1:44 pm

2 stops10h 45m

Chattanooga Lovell Field

Tue 1/13

6:34 pm-10:48 pm

1 stop7h 14m

$409

OntarioChattanooga

ONT - CHA

ONTCHA

Ontario

Sat 1/10

3:21 pm-12:44 pm

1 stop18h 23m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 19 results

Compare providers for flights from Ontario to Chattanooga

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Chattanooga in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Chattanooga flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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

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, 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.

What is the cheapest time of day to fly from ONT to CHA?

A simple way to save on the total cost of your ticket is to fly from Ontario to Chattanooga in the evening. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Chattanooga

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

8,019 reviews

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

8,019 reviews

Delta

7.9

Good

8,019 reviews

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

9,113 reviews

Delta

7.9

Good

8,019 reviews

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

11,072 reviews

Delta

7.9

Good

8,019 reviews

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

How long is the flight from Ontario to Chattanooga?
Delta and American Airlines can get you from Ontario to Chattanooga in just under 7h 33m. Your travel time can differ by up to 1h 15m. 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 33% 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Ontario to Chattanooga

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$279	Average$322	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$287	Average$415	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$288	Average$385	FlexibilityNo cancel fee	On-time71%

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$170+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Chattanooga with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Chattanooga

Cheapest flights from Ontario to ChattanoogaExplore 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 December 28, 2025.

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 December 28, 2025.

Find flight deals from Ontario to Chattanooga

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Chattanooga that are best for you.

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 December.

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.

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?

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

What is the cheapest time of day to fly from ONT to CHA?

Reviews of airlines servicing Chattanooga

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.

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?

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

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

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

How can I find direct flights from Ontario to Chattanooga?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Chattanooga

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Ontario to Chattanooga

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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 December 28, 2025.