ONT - CHA

$176 Find Cheap Flights from Ontario to Chattanooga

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Chattanooga departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Chattanooga

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Chattanooga, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Chattanooga, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$309
Overall average: $532
Delta
Tue 1/20Sat 1/24
ONT - CHA • 1 stop
Cheapest one-way
$165
Typical prices: $474-$503
Multiple Airlines
Wed 1/7
ONT - CHA • 1 stop
Top airlines
Delta
Cheapest • from $309 (round-trip)
Delta
Best reviews • 7.9 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
2 weeks
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 14% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 26% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Chattanooga!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Chattanooga (ONT-CHA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Chattanooga that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Chattanooga

Tue, Jan 20 - Sat, Jan 24
Delta Logo
10:30 pm - 9:03 am
ONT
-
CHA
7h 33m1 stop
Delta Logo
4:30 pm - 9:05 pm
CHA
-
ONT
7h 35m1 stop
$309Delta
Tue, Jan 20 - Sat, Jan 24
American Airlines Logo
6:00 am - 9:47 pm
ONT
-
CHA
12h 47m2 stops
American Airlines Logo
12:21 pm - 6:45 pm
CHA
-
ONT
9h 24m1 stop
$314American Airlines
Tue, Jan 20 - Sat, Jan 24
American Airlines Logo
9:59 am - 9:47 pm
ONT
-
CHA
8h 48m2 stops
American Airlines Logo
10:00 am - 6:20 pm
CHA
-
ONT
11h 20m2 stops
$319American Airlines
Sat, Feb 14 - Tue, Feb 17
American Airlines Logo
7:10 am - 5:53 pm
ONT
-
CHA
7h 43m1 stop
American Airlines Logo
12:18 pm - 4:24 pm
CHA
-
ONT
7h 06m1 stop
$334American Airlines
Sat, Feb 14 - Tue, Feb 17
American Airlines Logo
7:10 am - 7:44 pm
ONT
-
CHA
9h 34m2 stops
American Airlines Logo
12:18 pm - 4:24 pm
CHA
-
ONT
7h 06m1 stop
$339American Airlines
Sat, Feb 14 - Tue, Feb 17
American Airlines Logo
12:28 pm - 11:58 pm
ONT
-
CHA
8h 30m2 stops
American Airlines Logo
12:18 pm - 7:00 pm
CHA
-
ONT
9h 42m2 stops
$344American Airlines
Fri, May 29 - Sat, May 30
United Airlines Logo
6:02 am - 4:13 pm
ONT
-
CHA
7h 11m1 stop
United Airlines Logo
5:20 pm - 9:21 pm
CHA
-
ONT
7h 01m1 stop
$356United Airlines
Fri, Apr 24 - Mon, Apr 27
Delta Logo
10:15 pm - 9:46 am
ONT
-
CHA
8h 31m1 stop
Delta Logo
4:32 pm - 8:58 pm
CHA
-
ONT
7h 26m1 stop
$364Delta
Fri, May 29 - Sat, May 30
United Airlines Logo
6:02 am - 4:13 pm
ONT
-
CHA
7h 11m1 stop
United Airlines Logo
12:10 pm - 11:06 pm
CHA
-
ONT
13h 56m2 stops
$387United Airlines
Wed, Mar 25 - Wed, Apr 22
United Airlines Logo
11:59 pm - 10:12 am
ONT
-
CHA
7h 13m1 stop
United Airlines Logo
5:41 pm - 10:26 pm
CHA
-
ONT
7h 45m1 stop
$399United Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Chattanooga flights

Get data-powered insights and trends into flights from Ontario to Chattanooga to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Ontario to Chattanooga?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Chattanooga, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Chattanooga is February, where tickets cost $313 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $681 and $532 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Ontario to Chattanooga, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Ontario to Chattanooga, you should book around 2 weeks before departure, which saves you about 14% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Good to know

Low seasonSeptember
Cheapest flight$165
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly and prices are also 19% lower on average.
Flight from Ontario to Chattanooga

When to book flights from Ontario to Chattanooga

Are your dates flexible? Find out the best times to travel from Ontario to Chattanooga based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Chattanooga

  • What is the cheapest flight from Ontario to Chattanooga?

    In the last 3 days, the lowest price for a flight from Ontario to Chattanooga was $165 for a one-way ticket and $309 for a round-trip.

  • Do I need a passport to fly between Ontario and Chattanooga?

    No, a passport isn't needed to fly from Ontario to Chattanooga. However, local authorities might ask for an official ID.

  • Which aircraft models fly most regularly from Ontario to Chattanooga?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Chattanooga?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Ontario and Chattanooga, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Ontario to Chattanooga, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Ontario to Chattanooga are Delta and United Airlines. With an average price for the route of $322 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $415 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Ontario to Chattanooga?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Chattanooga.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Chattanooga?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chattanooga from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Chattanooga?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chattanooga with an airline and back to Ontario with another airline. Booking your flights between Ontario and CHA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Chattanooga?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chattanooga from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Ontario to Chattanooga

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Chattanooga. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Chattanooga? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8014 reviews
7.9Entertainment
7.3Food
8.5Crew
7.9Comfort
8.1Boarding
Airline reviews

The flight was delayed for about 2 hrs. Other than it, it was good.

8.0 ExcellentWen, Dec 2025
LAX - MSY
Read more Delta reviews

The flight was delayed for about 2 hrs. Other than it, it was good.

The plant way delayed departing by 3 hours. It was an old airplane with broken seats and armrests. The bathroom made a hollering sound. A really crappy flight experience and travel day all around.

I am extremely disappointed that delta internal pilot manuals now refer to the Gulf of Mexico as the “gulf of America”. You can bow down to the Orange turd on your own. I will never fly delta again

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

Our flight from SFO to MSP was right on time on 11/15/2025. No delays. As we approached MSP at about 8 pm, we circled in the air until 8:40 pm so I don't call that efficient for MSP. I think the captain should announce the delay and why. (as if we all don't know that we are just circling around the area, slowing down, speeding up, slowing down.) Thank you. Marilyn Fischer

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

Delayed flight (1hour) plus a long layover after an overnight flight with no backup plane available.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

I boarded flight UA#1318 at Sacramento International Airport going back to Houston TX. The flight was scheduled at 5:10am. I was able to check in virtually using the United Airlines app. When I entered the airport, there was no one outside assisting with checked bags as it was for Delta Airlines. Immediately upon entering, there was a LONG, EXTREMELY LONG line to the kiosks to get boarding passes. I stand in line to get boarding passes then had to move to ANOTHER EXTREMELY LONG line to get my bags checked in. While standing in this line, we noticed an agent taking customers to 3 at a time to her station to check their bags in. Lucky for me, she called me back, checked my bags for me and I was on my way. I then encountered another long line at the TSA check and to avoid I ending up having to sign up for CLEAR to bypass it. So glad, I did.,...Both of my flights were great with no issues, butthe check in progress at Bush Airport was so much smoother. Check-in at SMF airport needs to be anaylzed and corrected. Do better United, I know you can....thanks

Pushed back only to get deplaned due to a tire damaged by ground crew. They did at least go pretty fast. The bathrooms should be banned under the Geneva convention. No room to even sit straight on the toilet. The under-seat entertainment units block what little leg room there is.

United airlines has the best customer experience from booking to arrival. I always fly United airlines. The mileage program is excellent

Older aircraft, no meal, only food was for purchase. Not impressed United.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Premium Plus is a really good idea for longer flights

The flight attendants were great, I joked with one I can’t remember her name, a blond, really sweet. I thought it was run well very professional. This was great i survived Spirit, I know for which I speak.

I was in first class. The outlets at my seat did not work. The plane was shabby and run down. I had prepurchsed a day subscription for internet that was not redeemable. I had to repurchase the internet for my flight and then it didn’t work anyway. Quite disappointed in what was supposed to be the launch of a great vacation.

Once we got in the air the pilot made up some of the time of the delay. So that was really nice.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

The pilot greased the landing and the crew was fantastic.

delayed due to weather. Could not communicate with family since the wifi was broken

Horrible. Both legs of my flight were delayed more than 6 hours. No compensation, no screens on the plane, and the plane was not clean.

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

The flight was flawless and we even arrived between 20 and 25 minutes early!

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a red eye flight, so no meals were provided, but it was fine with snacks. The seats felt cramped and almost too narrow.

Very crowded flight but what can you expect these days?? Crew was accommodating.

The seats in economy were appeared to be quite thin and lack sufficient cushioning to be comfortable. Perhaps it was my seating position but the plane seemed notably load.

Everything you need to know for your flight from Ontario to Chattanooga

Information on your arrival and departure airports