Cheap Flight Tickets from Atlanta (ATL) to Ontario (ONT), Starting at $180

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

$342

AS Alaska Airlines • 1 stop • 15h 13m

Oct 12 – Oct 14

The cheapest round trip flight from Atlanta to Ontario (ATL-ONT-ATL) is currently $342

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Cheapest One way Flight

$180

UA United Airlines • 1 stop • 25h 20m

Oct 29

The cheapest one way flight from Atlanta to Ontario (ATL-ONT) is currently $180

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Cheapest Direct Flight

$440

DL Delta Airlines • nonstop • 7h 23m

Nov 19

The cheapest nonstop flight from Atlanta to Ontario (ATL-ONT) is currently $440

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Fastest Flight

7h 11m

The fastest nonstop flight from Atlanta to Ontario (ATL-ONT) takes 7h 11m

Top Airlines Flying from Atlanta to Ontario

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Southwest Airlines-WN

Southwest Airlines

United Airlines, UA

United Airlines

Sun Country Airlines (SY)

Sun Country Airlines

Air Canada-AC

Air Canada

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.

Oct 12 - Oct 14, Economy
AS
Atlanta → Ontario
15h 13m
7:03 AM - 1:16 PM • 1 stop
AS
Atlanta → Ontario
13h 44m
8:06 PM - 7:30 AM • 1 stop
$342
Alaska Airlines
Oct 12 - Oct 14, Economy
AS
Atlanta → Ontario
16h 47m
4:35 PM - 11:42 PM • 1 stop
AS
Atlanta → Ontario
15h 25m
11:34 AM - 11:59 PM • 1 stop
$342
Alaska Airlines
Oct 12 - Oct 14, Economy
AA
Atlanta → Ontario
30h 23m
5:47 PM - 9:10 AM • 1 stop
AA
Atlanta → Ontario
20h 49m
6:10 AM - 9:59 PM • 1 stop
$539
American Airlines
Oct 12 - Oct 14, Economy
AA
Atlanta → Ontario
17h 19m
7:37 AM - 3:16 PM • 1 stop
AA
Atlanta → Ontario
9h 14m
1:05 PM - 9:59 PM • 1 stop
$580
American Airlines
Oct 12 - Oct 14, Economy
AA
Atlanta → Ontario
12h 17m
7:37 AM - 12:14 PM • 1 stop
AA
Atlanta → Ontario
9h 14m
1:05 PM - 9:59 PM • 1 stop
$580
American Airlines
Oct 12 - Oct 14, Economy
AA
Atlanta → Ontario
13h 26m
5:47 PM - 10:53 PM • 1 stop
AA
Atlanta → Ontario
9h 14m
1:05 PM - 9:59 PM • 1 stop
$580
American 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 813
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 8:35 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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