Cheap Flight Tickets from Ontario (ONT) to Atlanta (ATL), Starting at $118

Good to Know: Cheapest and Fastest ONT - ATL Flights

Useful information for finding best airline tickets from Ontario International to Hartsfield Jackson Atlanta International on your next trip.

Cheapest Round Trip Flight

$477

WN Southwest Airlines • 1 stop • 21h 40m

Jul 14 – Jul 16

The cheapest round trip flight from Ontario to Atlanta (ONT-ATL-ONT) is currently $477

🔍 Search Flights

Cheapest One way Flight

$118

WN Southwest Airlines • 1 stop • 14h

Aug 06

The cheapest one way flight from Ontario to Atlanta (ONT-ATL) is currently $118

🔍 Search Flights

Cheapest Direct Flight

$559

DL Delta Airlines • nonstop • 6h 53m

Oct 02

The cheapest nonstop flight from Ontario to Atlanta (ONT-ATL) is currently $559

🔍 Search Flights

Fastest Flight

6h 50m

The fastest nonstop flight from Ontario to Atlanta (ONT-ATL) takes 6h 50m

Top Airlines Flying from Ontario to Atlanta

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Ontario (ONT) to Atlanta (ATL)

Compare and book low fare round-trip air tickets from Ontario to Atlanta. Ideal for travelers with confirmed return itineraries.

Jul 14 - Jul 16, Economy
WN
Ontario → Atlanta
21h 40m
11:55 PM - 3:55 PM • 1 stop
WN
Ontario → Atlanta
23h 25m
8:55 AM - 8:00 PM • 2 stops
$477
Southwest Airlines
Jul 14 - Jul 16, Economy
AS
Ontario → Atlanta
33h 45m
5:32 PM - 4:57 PM • 2 stops
AS
Ontario → Atlanta
19h 10m
3:02 PM - 11:52 PM • 2 stops
$1622
Alaska Airlines
Jul 14 - Jul 16, Economy
AS
Ontario → Atlanta
30h 43m
5:32 PM - 3:15 PM • 1 stop
AS
Ontario → Atlanta
19h 10m
3:02 PM - 11:52 PM • 2 stops
$1647
Alaska Airlines
Jul 14 - Jul 16, Economy
AS
Ontario → Atlanta
36h 50m
2:05 PM - 3:15 PM • 2 stops
AS
Ontario → Atlanta
19h 10m
3:02 PM - 11:52 PM • 2 stops
$1652
Alaska Airlines
Jul 14 - Jul 16, Economy
AS
Ontario → Atlanta
30h 49m
5:26 PM - 3:15 PM • 2 stops
AS
Ontario → Atlanta
19h 10m
3:02 PM - 11:52 PM • 2 stops
$1652
Alaska Airlines
Jul 14 - Jul 16, Economy
AS
Ontario → Atlanta
33h 51m
5:26 PM - 4:57 PM • 1 stop
AS
Ontario → Atlanta
19h 10m
3:02 PM - 11:52 PM • 2 stops
$1726
Alaska Airlines

Fly from Ontario to Atlanta with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Atlanta? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Atlanta Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to ATL?
The most popular airline flying from Ontario to Atlanta are
Can I fly from ONT to ATL non-stop?
Yes, you can fly ONT to ATL non-stop on
Which airlines fly nonstop between Ontario and Atlanta?
The non-stop flights between Ontario and Atlanta are .
What’s the earliest departure time from ONT to ATL Airport?
The earliest flight leaves ONT at 6:00 am and lands in ATL - Hartsfield Jackson Atlanta International
What are the airports in Atlanta?
ATL
Can I make changes to my Ontario to Atlanta flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to ATL?
Read the fare rules of the Ontario to Atlanta air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Atlanta?
operate flights between Ontario and Atlanta
How long does a flight from Ontario to Atlanta take?
It takes approximately 4 hour to fly non-stop from ONT to ATL, which is 1899.48 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Atlanta (ATL) ?
In the past couple of days, the cheapest tickets to ATL from ONT were found on DL : USD 967
Do I need a passport to fly between ONT and ATL?
No
What’s the latest departure time from ONT to ATL ?
The last flight leaves ONT at 11:55 pm

Ontario (ONT) to Atlanta (ATL): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Hartsfield Jackson Atlanta International , Atlanta, US
Distance 1899 miles

More Flight Options for Ontario (ONT) and Atlanta (ATL)

Why Fareleaders for ONT to ATL Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Ontario to Atlanta flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on ONT to ATL flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Ontario to Atlanta flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Ontario (ONT) to Atlanta (ATL)
Terms and Conditions*