￥26,190 Cheap Flights from Atlanta (ATL) to Ontario (ONT)

View ￥26,190 flight on Sat, Feb 28, 2026Opens in a new window

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Atlanta to Ontario (ATL-ONT)

Prices were available within the past 7 days and start at ￥26,190 for one-way flights and ￥61,490 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Feb 18 - Wed, Feb 25
ATL
Atlanta
ONT
Ontario
￥61,490 Roundtrip, found 5 days ago
￥61,490
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Feb 18 from Atlanta to Ontario, returning Wed, Feb 25, priced at ￥61,490 found 5 days ago
Delta
Thu, May 14 - Sun, May 17
ATL
Atlanta
ONT
Ontario
￥62,460 Roundtrip, found 2 days ago
￥62,460
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, May 14 from Atlanta to Ontario, returning Sun, May 17, priced at ￥62,460 found 2 days ago
Delta
Wed, Mar 25 - Wed, Apr 1
ATL
Atlanta
ONT
Ontario
￥62,700 Roundtrip, found 10 hours ago
￥62,700
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Mar 25 from Atlanta to Ontario, returning Wed, Apr 1, priced at ￥62,700 found 10 hours ago
Alaska Airlines
Sat, Aug 8 - Sat, Aug 15
ATL
Atlanta
ONT
Ontario
￥65,800 Roundtrip, found 2 days ago
￥65,800
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Aug 8 from Atlanta to Ontario, returning Sat, Aug 15, priced at ￥65,800 found 2 days ago
Alaska Airlines
Sat, Feb 28 - Sat, Mar 7
ATL
Atlanta
ONT
Ontario
￥71,410 Roundtrip, found 6 days ago
￥71,410
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Feb 28 from Atlanta to Ontario, returning Sat, Mar 7, priced at ￥71,410 found 6 days ago
Delta
Thu, May 14 - Sun, May 17
ATL
Atlanta
ONT
Ontario
￥73,430 Roundtrip, found 2 days ago
￥73,430
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, May 14 from Atlanta to Ontario, returning Sun, May 17, priced at ￥73,430 found 2 days ago
Delta
Wed, Mar 25 - Wed, Apr 1
ATL
Atlanta
ONT
Ontario
￥73,660 Roundtrip, found 10 hours ago
￥73,660
Roundtrip
found 10 hours ago
Select Delta flight, departing Wed, Mar 25 from Atlanta to Ontario, returning Wed, Apr 1, priced at ￥73,660 found 10 hours ago
Delta
Wed, Feb 18 - Wed, Feb 25
ATL
Atlanta
ONT
Ontario
￥74,710 Roundtrip, found 5 days ago
￥74,710
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Feb 18 from Atlanta to Ontario, returning Wed, Feb 25, priced at ￥74,710 found 5 days ago
American Airlines
Sun, Feb 22 - Sun, Mar 1
ATL
Atlanta
ONT
Ontario
￥89,340 Roundtrip, found 1 day ago
￥89,340
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Feb 22 from Atlanta to Ontario, returning Sun, Mar 1, priced at ￥89,340 found 1 day ago
United
Fri, Apr 3 - Thu, Apr 9
ATL
Atlanta
ONT
Ontario
￥102,610 Roundtrip, found 23 hours ago
￥102,610
Roundtrip
found 23 hours ago
Select United flight, departing Fri, Apr 3 from Atlanta to Ontario, returning Thu, Apr 9, priced at ￥102,610 found 23 hours ago

Find the cheapest month to fly from Atlanta (ATL) to Ontario (ONT)

February is typically the cheapest month to fly

From ￥20,919 - ￥62,303 per traveler.
Flights from Atlanta (ATL) to Ontario (ONT)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
￥61,490
Distance
3029 km
Average flight time
2 hours 34 mins

Atlanta to Ontario Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Atlanta to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Ontario.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ATL to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind Atlanta for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Hartsfield–Jackson Atlanta International Airport to ONT?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Hartsfield-Jackson Atlanta Intl. Airport (ATL) and ONT start from ￥61,490. Make your booking ASAP to score the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Hartsfield–Jackson Atlanta International Airport to ONT?
We get that things come up unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Hartsfield–Jackson Atlanta International Airport to Los Angeles - Ontario Intl. Airport (ONT) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Los Angeles - Ontario Intl. Airport (ONT) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to ONT?
The average flight time between ATL and ONT is 4 hours and 23 minutes. If you're traveling with kids, it's always a good idea to pack some fruit or snacks in your carry-on bag.
How far is the flight from Atlanta Airport to Los Angeles - Ontario Intl. Airport (ONT)?
It's around 3,100 kilometers from College Park to Ontario, so expect to be in your seat for a while. Keep yourself entertained by packing things like crossword puzzles or a good old-fashioned book.
Which airlines fly direct from Hartsfield–Jackson Atlanta International Airport to Ontario Airport?
Delta Air Lines (DL) is one of the top choices for many travelers flying between Atlanta Airport and ONT. Choose from the 78 flights it offers on this route each month. Frontier Airlines (F9) is another popular choice. It operates 21 flights each month. Between these two airlines, you'll be able to find a good deal from College Park to Ontario.
Are ATL to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
Flight prices from Hartsfield–Jackson Atlanta International Airport to Ontario Airport are available up to a year before departure on Expedia. And although you may score a fantastic last-minute deal, it's never a sure thing. Also, booking your flights in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so check back often for all the latest specials.
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