$218 Cheap Delta flights Ontario (ONT) to Atlanta (ATL)

View $218 flight on Wed, Sep 10, 2025Opens in a new window

$218 Cheap Delta flights Ontario (ONT) to Atlanta (ATL)

Prices were available within the past 7 days and start at $218 for one-way flights and $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 24 - Sat, Oct 25
ONT
Ontario
ATL
Atlanta
$294 Roundtrip, found 12 hours ago
$294
Roundtrip
found 12 hours ago
Select Delta flight, departing Fri, Oct 24 from Ontario to Atlanta, returning Sat, Oct 25, priced at $294 found 12 hours ago
Flights from Ontario (ONT) to Atlanta (ATL)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Hartsfield-Jackson Atlanta Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Southwest Airlines
Distance
1893 mi
Average flight time
8 hours 15 mins

Frequently asked questions

How much is a Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
You can discover cheap round-trip Delta Air Lines flights from $294 from ONT to ATL by sorting your results from "Price (lowest to highest)" on Expedia. Or look for options from $218 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to ATL with Delta Air Lines?
Look for return or one-way flights to Atlanta in January or February. You could find lower fares with Delta Air Lines during these off-peak months.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL) with Delta Air Lines?
To find cheap Delta Air Lines fares from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
Delta Air Lines operates direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL), with 14 departures every week. Simply apply the "Nonstop" and "Airline" filters during your search on Expedia to find all direct Delta Air Lines flights to ATL.
How long does it take to fly from ONT to ATL with Delta Air Lines?
Depart Los Angeles - Ontario Intl. Airport (ONT) for Hartsfield-Jackson Atlanta Intl. Airport (ATL) on a direct Delta Air Lines flight, and you'll be in the sky for approximately 4h 4m.
Which day of the week has the most Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
If it's flexibility you're after, Thursday offers the most choice for Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). You can select from 2 different departures.
What is the earliest Delta Air Lines flight from ONT to ATL?
The earliest Delta Air Lines flight from ONT to ATL takes off at 7:05AM UTC-8, arriving at 2:07PM UTC-5. If you'd like to jet off later in the day, the last Delta Air Lines flight leaves ONT at 1:00PM UTC-8 and lands at ATL at 8:11PM UTC-5. Flying early is often a good option as morning flights are 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Atlanta?
Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to Atlanta touch down at Hartsfield-Jackson Atlanta Intl. Airport (ATL). This is the main gateway here.
Why fly with Delta Air Lines from ONT to ATL?
Delta Air Lines makes traveling from ONT to ATL enjoyable with an excellent in-flight experience and a rewarding loyalty program. You also have the chance to earn points with Delta SkyMiles. Remember to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Delta Air Lines fly from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
You'll most likely board an Airbus A321 for your Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). However, you may be switched to a different aircraft for operational reasons.
Can I change or cancel my Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Hartsfield-Jackson Atlanta Intl. Airport (ATL)?
It's usually possible to cancel or reschedule your flight, although additional charges may apply if your booking was made over 24 hours ago. Need flexible options? Use Expedia's "Changes included" and "No cancel fee" filters to find flights that won't charge you extra if you need to alter your plans. To modify your booking, go to "Trips," select your flight and click on "Manage Booking" for more details.

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