Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Atlanta to Ontario from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Ontario departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Atlanta to Los Angeles

Cheap round-trip flights

These are some of the best round-trip flight deals from Atlanta to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Atlanta to Los Angeles.

Cheap last minute flights

Planning a quick getaway from Atlanta to Los Angeles? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Atlanta to Los Angeles

Find recent round-trip train or bus tickets from Atlanta to Los Angeles.

All round-trip flight deals to Los Angeles

The cheapest plane tickets to Los Angeles found on KAYAK recently.
7:26 am - 1:47 pmATL-ONT
9h 21m1 stop
11:57 am - 10:54 pmONT-ATL
7h 57m1 stop
$127Frontier
Find Deal
Thu, Jan 23 - Mon, Jan 27
11:30 am - 7:09 pmATL-ONT
10h 39m1 stop
2:43 pm - 6:15 amONT-ATL
12h 32m1 stop
$128Frontier
Find Deal
Sat, Mar 1 - Wed, Mar 5
10:59 am - 8:13 pmATL-ONT
12h 14m2 stops
11:57 am - 10:54 pmONT-ATL
7h 57m1 stop
Wed, Jan 22 - Mon, Jan 27
5:15 am - 9:09 amATL-ONT
6h 54m1 stop
10:56 am - 7:41 pmONT-ATL
5h 45m1 stop
$314American Airlines
Find Deal
Sat, Jan 18 - Fri, Jan 24
1:34 pm - 9:02 pmATL-ONT
10h 28m1 stop
10:05 am - 11:59 pmONT-ATL
10h 54m2 stops
$317American Airlines
Find Deal
Fri, Feb 14 - Tue, Feb 18
5:15 am - 6:13 pmATL-ONT
15h 58m2 stops
1:52 pm - 6:04 amONT-ATL
13h 12m1 stop
Thu, Jan 9 - Sun, Jan 12
9:20 am - 5:00 pmATL-ONT
10h 40m2 stops
5:00 am - 4:45 pmONT-ATL
8h 45m2 stops
$426Southwest
Find Deal
Sun, Jan 19 - Sun, Jan 26
5:05 pm - 10:50 pmATL-ONT
8h 45m2 stops
8:50 am - 11:30 pmONT-ATL
11h 40m1 stop
$431Southwest
Find Deal
Thu, Feb 13 - Mon, Feb 17
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
1:00 pm - 8:09 pmONT-ATL
4h 09mnonstop
$499Delta
Find Deal
Wed, Jan 22 - Wed, Feb 5
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
1:21 pm - 11:27 pmONT-ATL
7h 06m1 stop
$509Delta
Find Deal
Wed, Jan 22 - Mon, Jan 27
10:15 am - 11:47 pmATL-ONT
16h 32m1 stop
$62Frontier
Find Deal
Tue, Jan 28
7:26 am - 11:44 amATL-ONT
7h 18m1 stop
$64Frontier
Find Deal
Wed, Jan 15
2:20 pm - 6:35 pmATL-ONT
7h 15m1 stop
$104American Airlines
Find Deal
Tue, Feb 18
10:20 am - 7:31 pmATL-ONT
12h 11m2 stops
$109American Airlines
Find Deal
Sat, Jan 25
5:57 pm - 11:59 pmATL-ONT
9h 02m1 stop
$171Alaska Airlines
Find Deal
Tue, Mar 25
8:00 am - 4:22 pmATL-ONT
11h 22m2 stops
$176Alaska Airlines
Find Deal
Tue, Apr 29
9:10 am - 5:20 pmATL-ONT
11h 10m2 stops
$185Southwest
Find Deal
Wed, Jan 22
7:58 am - 10:32 pmATL-ONT
17h 34m1 stop
$197Delta
Find Deal
Wed, Feb 19
11:20 am - 2:55 pmATL-ONT
6h 35m1 stop
$199Southwest
Find Deal
Mon, Feb 10
10:31 pm - 12:26 pmATL-ONT
16h 55m2 stops
$243Delta
Find Deal
Mon, Jan 20
8:30 am - 6:57 pmATL-ONT
13h 27m1 stop
12:59 am - 11:38 amONT-ATL
7h 39m1 stop
$510Frontier
Find Deal
Thu, Dec 26 - Fri, Dec 27
8:30 am - 6:57 pmATL-ONT
13h 27m1 stop
12:59 am - 11:38 amONT-ATL
7h 39m1 stop
$517Frontier
Find Deal
Thu, Dec 26 - Fri, Dec 27
6:42 am - 8:37 pmATL-ONT
16h 55m1 stop
11:59 pm - 7:50 pmONT-ATL
16h 51m1 stop
$749American Airlines
Find Deal
Tue, Dec 24 - Tue, Dec 31
2:55 pm - 9:05 pmATL-ONT
9h 10m2 stops
3:45 pm - 1:00 amONT-ATL
6h 15m1 stop
$766Southwest
Find Deal
Thu, Dec 26 - Sun, Jan 5
7:55 am - 4:25 pmATL-ONT
11h 30m2 stops
1:50 pm - 1:00 amONT-ATL
8h 10m2 stops
$791Southwest
Find Deal
Thu, Dec 26 - Sun, Jan 5
8:24 am - 12:40 pmATL-ONT
7h 16m1 stop
6:50 pm - 6:45 amONT-ATL
8h 55m1 stop
$867United Airlines
Find Deal
Tue, Dec 24 - Sun, Jan 5
7:00 am - 1:16 pmATL-ONT
9h 16m1 stop
6:10 am - 3:31 pmONT-ATL
6h 21m1 stop
$907United Airlines
Find Deal
Fri, Dec 27 - Sat, Jan 4
7:32 am - 4:41 pmATL-ONT
12h 09m2 stops
6:05 am - 5:36 pmONT-ATL
8h 31m1 stop
$929American Airlines
Find Deal
Tue, Dec 24 - Wed, Jan 1
8:55 am - 10:46 amATL-ONT
4h 51mnonstop
11:56 am - 7:05 pmONT-ATL
4h 09mnonstop
$959Delta
Find Deal
Tue, Dec 24 - Sun, Jan 5
8:55 am - 10:46 amATL-ONT
4h 51mnonstop
12:55 pm - 8:05 pmONT-ATL
4h 10mnonstop
$994Delta
Find Deal
Tue, Dec 24 - Tue, Dec 31
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
1:00 pm - 8:09 pmONT-ATL
4h 09mnonstop
$499Delta
Find Deal
Wed, Jan 22 - Wed, Feb 5
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
1:00 pm - 8:11 pmONT-ATL
4h 11mnonstop
$549Delta
Find Deal
Sat, Jan 18 - Fri, Jan 24
9:55 am - 11:50 amATL-ONT
4h 55mnonstop
7:05 am - 2:07 pmONT-ATL
4h 02mnonstop
$599Delta
Find Deal
Sat, Jan 11 - Sat, Jan 18
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
1:00 pm - 8:11 pmONT-ATL
4h 11mnonstop
$628Delta
Find Deal
Thu, Jan 23 - Thu, Jan 30
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
1:00 pm - 8:11 pmONT-ATL
4h 11mnonstop
$649Delta
Find Deal
Mon, Jan 6 - Mon, Jan 13
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
1:00 pm - 8:11 pmONT-ATL
4h 11mnonstop
$669Delta
Find Deal
Wed, Jan 22 - Mon, Jan 27
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
1:05 pm - 8:14 pmONT-ATL
4h 09mnonstop
$699Delta
Find Deal
Tue, Feb 18 - Mon, Feb 24
8:59 pm - 10:52 pmATL-ONT
4h 53mnonstop
12:46 pm - 7:49 pmONT-ATL
4h 03mnonstop
$704Delta
Find Deal
Sat, Mar 8 - Sat, Mar 15
9:55 am - 11:50 amATL-ONT
4h 55mnonstop
1:00 pm - 8:11 pmONT-ATL
4h 11mnonstop
$729Delta
Find Deal
Thu, Jan 9 - Sun, Jan 12
8:55 am - 10:46 amATL-ONT
4h 51mnonstop
1:00 pm - 8:11 pmONT-ATL
4h 11mnonstop
$749Delta
Find Deal
Thu, Jan 2 - Sat, Jan 11

American Airlines flights from Atlanta to Ontario

Our best American Airlines deals on Atlanta to Ontario flight tickets
American Airlines
Jan 18
ATL5:15 amAtlanta Hartsfield-Jackson
6h 54m
1 stop
ONT9:09 amOntario
Jan 24
ONT10:56 amOntario
5h 45m
1 stop
ATL7:41 pmAtlanta Hartsfield-Jackson
American Airlines
Feb 14
ATL1:34 pmAtlanta Hartsfield-Jackson
10h 28m
1 stop
ONT9:02 pmOntario
Feb 18
ONT10:05 amOntario
10h 54m
2 stops
ATL11:59 pmAtlanta Hartsfield-Jackson
American Airlines
Feb 17
ATL6:10 pmAtlanta Hartsfield-Jackson
6h 54m
1 stop
ONT10:04 pmOntario
Feb 18
ONT10:50 pmOntario
6h 46m
1 stop
ATL8:36 amAtlanta Hartsfield-Jackson

Frontier flights from Atlanta to Ontario

Our best Frontier deals on Atlanta to Ontario flight tickets
Frontier
Jan 23
ATL7:26 amAtlanta Hartsfield-Jackson
9h 21m
1 stop
ONT1:47 pmOntario
Jan 27
ONT11:57 amOntario
7h 57m
1 stop
ATL10:54 pmAtlanta Hartsfield-Jackson
Frontier
Mar 1
ATL11:30 amAtlanta Hartsfield-Jackson
10h 39m
1 stop
ONT7:09 pmOntario
Mar 5
ONT2:43 pmOntario
12h 32m
1 stop
ATL6:15 amAtlanta Hartsfield-Jackson
Frontier
Jan 23
ATL7:26 amAtlanta Hartsfield-Jackson
13h 29m
1 stop
ONT5:55 pmOntario
Jan 30
ONT6:45 amOntario
24h 51m
1 stop
ATL10:36 amAtlanta Hartsfield-Jackson

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Atlanta to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, September is the cheapest month to fly from Atlanta to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $310. If you aren’t able to travel during the month of September, then book flights to Ontario from Atlanta during October instead. Flights to Ontario in October, while not as cheap as those in September, still average around $319.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $364. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Atlanta to Ontario for around $442.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from Atlanta to Ontario when you can find flight prices for as low as $389. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $459 on average. Flights to Ontario from Atlanta in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Atlanta Hartsfield-Jackson to Ontario flight route?

Fly from Atlanta Hartsfield-Jackson to Ontario for the best Atlanta Hartsfield-Jackson - Ontario flight prices

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

Most flyers found that booking tickets 57 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around $412. However, in the past 72 hours, people saw flights from Atlanta for as low as $174.

What cabin class options are available on Atlanta Hartsfield-Jackson to Ontario flights?

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Atlanta to Ontario flights?

You could potentially save up to 82% on your flight if you consider stops on a Atlanta to Ontario flight.

How have Atlanta to Ontario flight prices changed over time?

As of December 2024, prices for Atlanta to Ontario flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Atlanta to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Ontario (ATL to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Ontario

Best Price Found

$62

Fastest flight time

4h 53m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from Atlanta in the past 72 hours is $62. The best round-trip flight deal from Atlanta to Ontario found on momondo in the last 72 hours is $127.
The fastest flight from Atlanta to Ontario takes 4h 53m
Direct flights go from Atlanta to Ontario every day.
There is 1 airport near Ontario: Ontario (ONT)

  • How far is Atlanta Hartsfield-Jackson to Ontario by plane?

    Atlanta Hartsfield-Jackson and Ontario are 1897.6 mi apart from one another. Flights usually cover this in 4h 53m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Ontario Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Atlanta to Ontario?

  • What is the most popular airline from Atlanta to Ontario?


Best airlines flying from Atlanta to Ontario

Compare and see reviews for airlines that fly from Atlanta to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
6.1
3,472 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $129Free CancellationRating
6.3
8,111 reviews
Search Spirit Airlines flights
DeltaPriceFrom $253Free CancellationRating
8.0
8,594 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $300Free CancellationRating
8.1
4,804 reviews
Search Southwest flights
  • Southwest Flights From Atlanta to Ontario

    Southwest flies from Atlanta to Ontario around 4 times per week, with 4,804 momondo users rating the airline 8.1/10. The cheapest Southwest deal from Atlanta to Ontario in the last 72 hours was $300 (round-trip), much lower than the average airfare cost of $457 for Southwest flights on this route.

  • Delta Flights From Atlanta to Ontario

    Across 8,594 Delta reviews on momondo, the average score is 8.0/10. Delta flies from Atlanta to Ontario about 14 times each week, with ticket deals ranging from $253 to $499. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Atlanta to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from Atlanta to Ontario with flexible booking policies on momondo?

All flight searches from Atlanta to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Atlanta to Ontario?

Once all potential Atlanta to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Atlanta to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Atlanta. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Fri 12/27
Fri 1/3
Email me momondo's favorite deals

Find better results for your trip to the United States