Cheap Flight Tickets from Atlanta (ATL) to Ontario (ONT), Starting at $160

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

$549

DL Delta Airlines • 1 stop • 14h 2m

Dec 19 – Dec 26

The cheapest round trip flight from Atlanta to Ontario (ATL-ONT-ATL) is currently $549

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Cheapest One way Flight

$160

WN Southwest Airlines • 1 stop • 10h 20m

Aug 02

The cheapest one way flight from Atlanta to Ontario (ATL-ONT) is currently $160

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Cheapest Direct Flight

$313

DL Delta Airlines • nonstop • 7h 35m

Dec 19

The cheapest nonstop flight from Atlanta to Ontario (ATL-ONT) is currently $313

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Fastest Flight

7h 15m

The fastest nonstop flight from Atlanta to Ontario (ATL-ONT) takes 7h 15m

Top Airlines Flying from Atlanta to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

WestJet Airlines

WestJet Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Aeromexico Airline (AM)

Aeromexico

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.

Dec 19 - Dec 26, Economy
DL
Atlanta → Ontario
14h 2m
10:30 AM - 4:12 PM • 1 stop
DL
Atlanta → Ontario
6h 49m
10:59 PM - 6:08 AM • nonstop
$549
Delta Airlines
Dec 19 - Dec 26, Economy
DL
Atlanta → Ontario
14h 2m
10:30 AM - 4:12 PM • 1 stop
DL
Atlanta → Ontario
15h 4m
5:05 PM - 5:09 AM • 1 stop
$558
Delta Airlines
Dec 19 - Dec 19, Economy
WN
Atlanta → Ontario
18h 40m
7:00 AM - 3:20 PM • 1 stop
WN
Atlanta → Ontario
12h 10m
8:05 PM - 6:35 AM • 1 stop
$596
Southwest Airlines
Dec 19 - Dec 19, Economy
WN
Atlanta → Ontario
18h 25m
6:20 AM - 2:25 PM • 1 stop
WN
Atlanta → Ontario
20h 50m
11:55 PM - 3:45 PM • 1 stop
$596
Southwest Airlines
Dec 19 - Dec 26, Economy
WN
Atlanta → Ontario
10h 25m
8:15 PM - 11:40 PM • 1 stop
WN
Atlanta → Ontario
14h 5m
6:45 PM - 6:30 AM • 1 stop
$596
Southwest Airlines
Dec 19 - Dec 19, Economy
WN
Atlanta → Ontario
10h 20m
6:05 AM - 9:25 AM • 1 stop
WN
Atlanta → Ontario
23h 40m
11:55 PM - 5:15 PM • 2 stops
$602
Southwest 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 6:05 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 WN : USD 160
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 8:30 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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