Cheap Flight Tickets from Atlanta (ATL) to Ontario (ONT), Starting at $518

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

$518

F9 Frontier Airlines • 1 stop • 39h

Sep 26 – Oct 03

The cheapest round trip flight from Atlanta to Ontario (ATL-ONT-ATL) is currently $518

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Cheapest Direct Flight

$548

F9 Frontier Airlines • nonstop •

Sep 26

The cheapest nonstop flight from Atlanta to Ontario (ATL-ONT) is currently $548

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Fastest Flight

7h 5m

The fastest nonstop flight from Atlanta to Ontario (ATL-ONT) takes 7h 5m

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 26 - Oct 03, Economy
F9
Atlanta → Ontario
39h
9:08 PM - 5:48 PM • 1 stop
F9
Atlanta → Ontario
15h 25m
11:45 AM - 12:10 AM • 1 stop
$518
Frontier Airlines
Sep 26 - Oct 03, Economy
AS
Atlanta → Ontario
25h
7:03 AM - 7:03 PM • 1 stop
AS
Atlanta → Ontario
15h 46m
11:13 AM - 11:59 PM • 1 stop
$1054
Alaska Airlines
Sep 26 - Oct 03, 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
$1140
Delta Airlines
Sep 26 - Oct 03, Economy
AA
Atlanta → Ontario
50h 51m
3:02 PM - 6:53 PM • 1 stop
AA
Atlanta → Ontario
10h 10m
1:05 PM - 10:15 PM • 1 stop
$1273
American Airlines
Sep 26 - Oct 03, Economy
AA
Atlanta → Ontario
50h 40m
5:29 PM - 9:09 PM • 1 stop
AA
Atlanta → Ontario
10h 10m
1:05 PM - 10:15 PM • 1 stop
$1273
American Airlines
Sep 26 - Oct 03, Economy
AA
Atlanta → Ontario
42h 3m
3:02 PM - 1:25 PM • 1 stop
AA
Atlanta → Ontario
10h 10m
1:05 PM - 10:15 PM • 1 stop
$1396
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 AS : USD 1054
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 8:5500 pm

Essential Information for Booking Flights from Atlanta (ATL) - AI Insights

What's the cheapest airline from atl to ont?
Frontier Airlines offers budget-friendly flights from Atlanta (ATL) to Ontario (ONT) with a Business cabin class, suitable for 6 passengers. With 53 days of advance booking, you can secure a seat on a non-stop flight. For round-trip travel, expect to pay for airfare on this airline.
What's the popular airline to fly from atl to ont?
You can fly from Hartsfield Jackson Atlanta International Airport (atl) to Ontario International Airport (ont) on Southwest Airlines (WN) for a round trip journey. Southwest Airlines offers a premium business class with priority, lounge access, and flatbed seats. Book your airfare in advance to get the best deals, as Southwest Airlines tends to offer lower fares when booked 53 days prior to departure. You can find the cheapest flights on their website or through a travel agency.
What's the cheapest day of the week to fly from atl to ont?
The cheapest day to fly from Atlanta to Ontario is Thursday. Flying on this day can help you save on airfares. Airlines often offer low fares on Thursday, making it a budget-friendly option for your round-trip journey.
What's the cheapest month to fly from atl to ont?
The cheapest month to fly from Atlanta to Ontario is December, as it tends to offer the lowest airfares during this period.
Which airline/airlines fly from atl to ont?
The airlines that fly from Atlanta (ATL) to Ontario (ONT) include United Airlines, WestJet Airlines, American Airlines, JetBlue Airways, Delta Airlines, Frontier Airlines, Aeromexico, Alaska Airlines, Southwest Airlines, and Aerolineas Argentinas. You can find the best airfares and flights on our website, which offers a wide selection of budget-friendly options.
How can I save money on airfares?
Consider booking flights during the cheapest month, December, and on the cheapest day, Thursday, for Frontier Airlines (F9). You can also explore other airlines like Southwest Airlines (WN) or United Airlines (UA) for better deals.
What is the best way to book airfare for my trip to Milwaukee?
Book your flights directly through the airline's website or through a reputable agency to ensure the best rates. You can also look into booking agencies that offer discounts and promotions.
What are the benefits of booking flights through a reputable agency?
Booking flights through a reputable agency can provide you with access to exclusive deals, discounts, and promotions. They can also help you find the cheapest airline tickets for your summer vacation.
Can I book flights directly through the airline's website?
Yes, you can book flights directly through the airline's website. However, it's recommended to explore other options as well to find the best deals.
How do I find the cheapest airline tickets for my summer vacation?
Consider booking flights during the cheapest month, December, and on the cheapest day, Thursday, for Frontier Airlines (F9). You can also explore other airlines like Southwest Airlines (WN) or United Airlines (UA) for better deals.

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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