Menu

Cheap flights from Atlanta to Ontario (ATL - ONT)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from Atlanta to Ontario are usually found in April or May, booked 59 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

How to find the cheapest flight from
Atlanta (ATL) to Ontario (ONT)

ATL - ONT
Price
$214 - $459

Popular in

December

High demand for flights, 32% potential price rise

Cheapest in

April

Best time to find cheap flights, 32% potential price drop

Round-trip from

$214

From Atlanta to Ontario

One-way from

$34

One-way flight from Atlanta to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Atlanta to Ontario?

Monday is generally a great day to depart. Flying on this day could help you save up to 29%.

How far in advance should I book a flight from Atlanta to Ontario?

To save up to 72% on this flight, we recommend booking at least 33 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Atlanta to Ontario from $375 1-2 weeks out and tickets from $533 for flights departing within the next 72 hours.

What is the cheapest month to fly from Atlanta to Ontario?

August can be a great time to fly to Ontario from Atlanta with a flight ticket averaging about $307. Cheapflights users have found deals in the month of August for as cheap as $107. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Atlanta to Ontario (ATL - ONT)?

When flying from Atlanta to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 25% versus a flight in the morning.

Cheap flights from Atlanta to Ontario in December, January 2021

The best prices found for ATL to ONT flights for December, January
12 Dec - 14 Dec
$68pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson
12 Dec - 17 Dec
$79pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson
9 Dec - 14 Dec
$123pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson

Atlanta to Ontario 2021 flight deals

Cheap flights to Ontario from Atlanta found for this year
12 Dec - 14 Dec
$68pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson
12 Dec - 17 Dec
$79pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson
9 Dec - 14 Dec
$123pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson

Non-stop flights to Ontario from Atlanta

Save time with Atlanta to Ontario direct flight deals
23 Dec - 3 Jan
$259pp
ATL
Atlanta Hartsfield-Jackson
Delta
Non-Stop
ONT
Ontario
ONT
Ontario
Delta
Non-Stop
ATL
Atlanta Hartsfield-Jackson
18 Dec - 2 Jan
$279pp
ATL
Atlanta Hartsfield-Jackson
Delta
Non-Stop
ONT
Ontario
ONT
Ontario
Delta
Non-Stop
ATL
Atlanta Hartsfield-Jackson
26 Dec - 3 Jan
$298pp
ATL
Atlanta Hartsfield-Jackson
Delta
Non-Stop
ONT
Ontario
ONT
Ontario
Delta
Non-Stop
ATL
Atlanta Hartsfield-Jackson

Last minute flights from Atlanta to Ontario

Late deals on round-trip flights to Ontario from Atlanta, departing today and this week
9 Dec - 14 Dec
$123pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson
6 Dec - 10 Dec
$128pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson
11 Dec - 14 Dec
$136pp
ATL
Atlanta Hartsfield-Jackson
Frontier
 
1 STOP
ONT
Ontario
ONT
Ontario
Frontier
 
1 STOP
ATL
Atlanta Hartsfield-Jackson

One-way flights to Ontario from Atlanta

The cheapest one-way flights from Atlanta to Ontario
7:16 am - 2:42 pm
Frontier
1 Stop
10h 26m
ATL - ONT
Frontier
$34
KAYAK
7:16 am - 2:42 pm
Frontier
1 Stop
10h 26m
ATL - ONT
Frontier
$40
KAYAK
4:30 am - 2:43 am
Frontier
1 Stop
25h 13m
ATL - ONT
Frontier
$85
Kiwi.com

Related info for your journey

Useful info, stats and facts about Atlanta to Ontario flights.

Flight FAQs

From Atlanta to Ontario

Are flight prices decreasing from Atlanta to Ontario due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Atlanta and Ontario for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Atlanta Hartsfield-Jackson to Ontario to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. New policies for travelers booking flights from Atlanta Hartsfield-Jackson to Ontario include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Atlanta Hartsfield-Jackson to Ontario have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Atlanta Hartsfield-Jackson to Ontario that may be offering flexible cancellation policies are Delta, American Airlines, and Frontier. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Atlanta to Ontario for under $100 on Cheapflights?

Yes, there are multiple flights from Atlanta to Ontario for under $100. The cheapest flight booked recently is on Frontier for just $68, but on average you can expect to pay $147.

Are there nonstop flights from Atlanta to Ontario for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Atlanta to Ontario under $300. A good price for a nonstop flight from Atlanta to Ontario is less than $439.

Are there last-minute flights available from Atlanta to Ontario for under $200?

There are currently 20+ open flights from Atlanta to Ontario within the next 7 days for less than $200.

What days are nonstop flights available from Atlanta to Ontario?

Days when nonstop flights are available for this flight are: Sunday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

The Atlanta Hartsfield-Jackson to Ontario flight path was viewed by 1,441 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from Atlanta to Ontario on average per day?

2 flight departures from Atlanta Hartsfield-Jackson to Ontario per day on average.
Evening (6pm - Midnight) - 100% of flight departures

Does it rain more in Atlanta or Ontario?

In Atlanta, there will be greater rainfall in Atlanta compared to Ontario over the next 15 days.

Is Atlanta weather warmer or cooler than Ontario?

We forecast the temperature to be around the 95 °F's in July, on average. The temperature in Ontario is generally hotter than in Atlanta. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Atlanta to Ontario?

There are many flights that can get you from Atlanta to Ontario in 7h 51m. Fly via Frontier to get the fastest option. The distance between Atlanta and Ontario is about 1906 mi.

What is the cheapest airline to fly from Atlanta to Ontario round-trip?

Our cheapest airline available from Atlanta to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $68 on this airline. Users have found that Frontier is 78% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Atlanta to Ontario one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $34.

Alternative routes for Atlanta to Ontario

Destination information for Ontario

Things to know before you go. Useful info for your trip from Atlanta to Ontario

Airports servicing Atlanta

Airports servicing Ontario

Top 5 airlines from Atlanta to Ontario

The chart below displays the airlines Cheapflights users traveling from Atlanta to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$92 $220 No cancel fee 62%
United Airlines
$102 $317 No cancel fee 69%
Spirit Airlines
$184 $318 No cancel fee 65%
American Airlines
$131 $399 No cancel fee 71%
Delta
$219 $445 No cancel fee N/A

Hourly flight availability from Atlanta to Ontario

Evening 6 PM to midnight 37% of ATL to ONT departures
Afternoon Noon to 6 PM 35% of ATL to ONT departures
Morning 6 AM to noon 27% of ATL to ONT departures
Early morning Midnight to 6 AM 1% of ATL to ONT departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Atlanta to Ontario
Sunday
1 daily flight
Monday
2 daily flights
Tuesday
5 daily flights
Wednesday
0 flights
Thursday
0 flights
Friday
0 flights
Saturday
0 flights
Home North America USA California Ontario Cheap flights from Atlanta to Ontario