Cheap Flights from Ontario (ONT) to Atlanta (ATL)

View AU$234 flight on Mon, 25 Aug. 2025Opens in a new window

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

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Cheap Flights from Ontario (ONT) to Atlanta (ATL)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 23 Dec. - Wed, 31 Dec.
ONT
Ontario
ATL
Atlanta
AU$612 Return, found 2 days ago
AU$612
Return
found 2 days ago
Select Delta flight, departing Tue, 23 Dec. from Ontario to Atlanta, returning Wed, 31 Dec., priced at AU$612 found 2 days ago
Delta
Tue, 23 Dec. - Tue, 30 Dec.
ONT
Ontario
ATL
Atlanta
AU$658 Return, found 2 days ago
AU$658
Return
found 2 days ago
Select Delta flight, departing Tue, 23 Dec. from Ontario to Atlanta, returning Tue, 30 Dec., priced at AU$658 found 2 days ago
Delta
Sat, 20 Dec. - Wed, 31 Dec.
ONT
Ontario
ATL
Atlanta
AU$749 Return, found 2 days ago
AU$749
Return
found 2 days ago
Select Delta flight, departing Sat, 20 Dec. from Ontario to Atlanta, returning Wed, 31 Dec., priced at AU$749 found 2 days ago
Delta
Sat, 20 Dec. - Sat, 3 Jan.
ONT
Ontario
ATL
Atlanta
AU$796 Return, found 2 days ago
AU$796
Return
found 2 days ago
Select Delta flight, departing Sat, 20 Dec. from Ontario to Atlanta, returning Sat, 3 Jan., priced at AU$796 found 2 days ago

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

September is typically the cheapest month to fly

From AU$212 - AU$377 per traveller.

Graph displaying average flight prices per month

Flight from Ontario to Atlanta route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Hartsfield-Jackson Atlanta Intl.
Return price
AU$611
Distance
3029 km
Average flight time
8 hours 15 mins

Your quick guide to flights from Ontario to Atlanta

Pick up great flights from Ontario to Atlanta

With Expedia, you have your pick of 14 flights a day with 20 airlines covering flights from Ontario to Atlanta. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Ontario to Atlanta that take around 4 hours.

Find cheap flights from Ontario to Atlanta

From the great flight deals with prices currently ranging from AU$612 to AU$796, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Ontario to Atlanta around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Atlanta is normally in December.

Reasons to book your flight from Ontario to Atlanta with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Ontario to Atlanta across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Atlanta right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from ONT to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from ONT to Atlanta Airport start from AU$612. Book ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to Atlanta Airport?
We understand that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from ONT to ATL 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 Los Angeles - Ontario Intl. Airport (ONT) to Atlanta Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from ONT to Atlanta Airport?
Around 3 100 kilometres separates Ontario and College Park, so pack some in-flight entertainment to keep you busy for a few hours. That gripping novel you haven't had time to finish will be just the ticket.
Which airlines fly direct from ONT to Hartsfield–Jackson Atlanta International Airport?
If you're looking to fly straight from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL), Delta Air Lines (DL) is a popular option. It operates 69 monthly flights between Ontario and College Park.
Are Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from ONT to Hartsfield-Jackson Atlanta Intl. Airport (ATL) can be hit-or-miss. You might be lucky and score a bargain, but you could also miss out entirely! If you'd prefer to play it safe and start your travel planning early, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines release their prices that far in advance. Our advice? Check back often as prices are updated regularly.

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Ontario Airports

Los Angeles

Los Angeles Intl. to Atlanta
AU$382.00
*Available to Expedia members.