Cheap Flight Tickets from Atlanta (ATL) to Ontario (ONT), Starting at $352

Good to Know: Cheapest and Fastest ATL - ONT Flights

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

Cheapest Round Trip Flight

$509

UA United Airlines • 1 stop • 20h 38m

Sep 12 – Sep 19

The cheapest round trip flight from Atlanta to Ontario (ATL-ONT-ATL) is currently $509

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Cheapest Direct Flight

$352

DL Delta Airlines • nonstop • 6h 57m

Sep 01

The cheapest nonstop flight from Atlanta to Ontario (ATL-ONT) is currently $352

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Fastest Flight

6h 57m

The fastest nonstop flight from Atlanta to Ontario (ATL-ONT) takes 6h 57m

Top Airlines Flying from Atlanta to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

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

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

Sep 12 - Sep 19, Economy
UA
Atlanta → Ontario
20h 38m
1:21 PM - 10:59 PM • 1 stop
UA
Atlanta → Ontario
10h 56m
8:00 AM - 5:56 PM • 1 stop
$509
United Airlines
Sep 12 - Sep 19, Economy
DL
Atlanta → Ontario
15h 40m
9:55 AM - 4:35 PM • 1 stop
DL
Atlanta → Ontario
6h 50m
7:05 AM - 2:15 PM • nonstop
$513
Delta Airlines
Sep 12 - Sep 19, Economy
DL
Atlanta → Ontario
11h 49m
8:05 AM - 12:14 PM • 1 stop
DL
Atlanta → Ontario
12h 32m
1:04 PM - 11:56 PM • 1 stop
$513
Delta Airlines
Sep 12 - Sep 19, Economy
DL
Atlanta → Ontario
11h 49m
8:05 AM - 12:14 PM • 1 stop
DL
Atlanta → Ontario
6h 53m
12:17 PM - 7:30 PM • nonstop
$513
Delta Airlines
Sep 12 - Sep 19, Economy
DL
Atlanta → Ontario
14h 15m
4:45 PM - 10:40 PM • 1 stop
DL
Atlanta → Ontario
10h 41m
6:00 AM - 3:41 PM • 1 stop
$513
Delta Airlines
Sep 12 - Sep 19, Economy
DL
Atlanta → Ontario
7h 5m
9:40 AM - 11:05 AM • nonstop
DL
Atlanta → Ontario
6h 50m
7:05 AM - 2:15 PM • nonstop
$513
Delta Airlines

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

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

FAQs on Atlanta to Ontario Flights

What are the airports in Atlanta?
ATL
What’s the most popular airline flying from ATL to ONT?
The most popular airline flying from Atlanta to Ontario are
Can I fly from ATL to ONT non-stop?
Yes, you can fly ATL to ONT non-stop on
Which airlines fly nonstop between Atlanta and Ontario?
The non-stop flights between Atlanta and Ontario are .
What’s the earliest departure time from ATL to ONT Airport?
The earliest flight leaves ATL at 7:03 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Atlanta to Ontario 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 ATL to ONT?
Read the fare rules of the Atlanta to Ontario 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 Atlanta and Ontario?
operate flights between Atlanta and Ontario
How long does a flight from Atlanta to Ontario take?
It takes approximately 4 hour to fly non-stop from ATL to ONT, which is 1899.48 miles by air.
Which airlines provide the cheapest flights from Atlanta (ATL) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from ATL were found on DL : USD 513
Do I need a passport to fly between ATL and ONT?
No
What’s the latest departure time from ATL to ONT ?
The last flight leaves ATL at 9:06 pm

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

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

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