Cheap Flight Tickets from Atlanta (ATL) to Ontario (ONT), Starting at $247

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

$442

AS Alaska Airlines • 1 stop • 14h 12m

Jul 26 – Aug 02

The cheapest round trip flight from Atlanta to Ontario (ATL-ONT-ATL) is currently $442

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Cheapest Direct Flight

$366

DL Delta Airlines • nonstop • 6h 57m

Aug 21

The cheapest nonstop flight from Atlanta to Ontario (ATL-ONT) is currently $366

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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

Alaska Airlines -AS

Alaska Airlines

Delta Airline, DL

Delta Airlines

Southwest Airlines-WN

Southwest 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.

Jul 26 - Aug 02, Economy
AS
Atlanta → Ontario
14h 12m
6:00 PM - 11:52 PM • 1 stop
AS
Atlanta → Ontario
17h 38m
5:26 PM - 7:24 AM • 1 stop
$442
Alaska Airlines
Jul 26 - Aug 02, Economy
AS
Atlanta → Ontario
14h 12m
6:00 PM - 11:52 PM • 1 stop
AS
Atlanta → Ontario
7h 10m
9:45 AM - 5:15 PM • nonstop
$466
Alaska Airlines
Jul 26 - Aug 02, Economy
AS
Atlanta → Ontario
15h 53m
4:18 PM - 11:11 PM • 1 stop
AS
Atlanta → Ontario
17h 38m
5:26 PM - 7:24 AM • 1 stop
$524
Alaska Airlines
Jul 26 - Aug 02, Economy
AS
Atlanta → Ontario
15h 53m
4:18 PM - 11:11 PM • 1 stop
AS
Atlanta → Ontario
7h 10m
9:45 AM - 5:15 PM • nonstop
$548
Alaska Airlines
Jul 26 - Aug 02, Economy
AS
Atlanta → Ontario
17h 16m
8:54 AM - 4:30 PM • 1 stop
AS
Atlanta → Ontario
17h 38m
5:26 PM - 7:24 AM • 1 stop
$738
Alaska Airlines
Jul 26 - Aug 02, Economy
AS
Atlanta → Ontario
17h 16m
8:54 AM - 4:30 PM • 1 stop
AS
Atlanta → Ontario
7h 10m
9:45 AM - 5:15 PM • nonstop
$770
Alaska 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 6:25 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 AS : USD 548
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 9:25 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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