Cheap flights from Ontario to Atlanta (ONT - ATL) from $68

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
ONT — ATL
Sep 26 — Oct 31

The best prices from Ontario to Atlanta Hartsfield-Jackson are usually found in January or February, booked 60 days in advance, depart on a Thursday or Monday and return on a Monday

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

All the information you need to plan the best ONT to ATL flight in 2023: compare Ontario to Atlanta flight prices with the expected peak season, weather and rainfall in Atlanta.

Popular in

July

Cheapest in

January

Round-trip from

$178

One-way from

$68
High demand for flights, 24% potential price rise
Best time to find cheap flights, 19% potential price drop
From Ontario to Atlanta Hartsfield-Jackson
One-way flight from Ontario to Atlanta Hartsfield-Jackson

ONT - ATL

Price

$178 - $351

ATL

Temperature

42.8 - 80.6 °F

ATL

Rainfall

3.4 - 5.3 inches

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

Travelers have found that booking a Wednesday departure is the best way to save up to 21% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save on the cost of your flight from Ontario to Atlanta, book at least 29 days before your planned departure. Booking around this time can save you about 39% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $441 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $583.

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

The best pricing can be found in the month of February. Prices to Atlanta from Ontario average $410. You can even find prices in February for less than $410, as users have found deals to Atlanta from as low as $147. The month of June appears to be one of the more expensive times to travel to Atlanta from Ontario. Flying in the targeted month can save you up to 43%.

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

A simple way to save on the total cost of your ticket is to fly from Ontario to Atlanta in the afternoon. If you’re flexible enough to do this you can expect to save up to 52% on your trip compared to booking a flight in the morning.

Cheap Frontier flights from Ontario to Atlanta

Take a peek at the cheapest Frontier flights we've detected traveling from Ontario to Atlanta. Make sure to check back often as deals are often changing.

Cheap American Airlines flights from Ontario to Atlanta

Take a gander at the lowest prices we've found on American Airlines flights from Ontario to Atlanta. Deals are refreshing constantly so come back soon for more options.

Cheap Ontario to Atlanta flights in September & October 2023

The best prices found for ONT to ATL flights for September, October
Listed are some of the best fares we've found on flights departing from Ontario to Atlanta in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Ontario to Atlanta 2023 flight deals

Cheap flights to Atlanta from Ontario found for this year
Listed are some of the best fares we've found on flights departing from Ontario to Atlanta in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Atlanta from Ontario

Save time with Ontario to Atlanta direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from Ontario to Atlanta. If you're looking for other options for flights from Ontario to Atlanta, make sure to update the search form at the top of page.

Ontario to Atlanta flights leaving soon

Late deals on return flights to Atlanta from Ontario, departing today and this week
Users seeking a last-minute flight from Ontario to Atlanta should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.

One-way flights to Atlanta from Ontario

The cheapest one-way flights from Ontario to Atlanta
If you're seeking multiple options on one-way flights from Ontario to Atlanta, be sure to check out these deals, which are updated often. Those needing a return flight from Ontario to Atlanta can use the search form above.

Find flights from Ontario to Atlanta within your budget

Use the slider to find flights from Ontario to Atlanta that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$110 - $255

Route

Depart

Return

Price

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Wed 10/25

1 stop7h 12m

Atlanta Hartsfield-Jackson

Mon 10/30

1 stop23h 13m

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Wed 10/18

1 stop17h 07m

Atlanta Hartsfield-Jackson

Tue 10/24

1 stop13h 21m

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Wed 11/1

1 stop7h 12m

Atlanta Hartsfield-Jackson

Tue 11/14

1 stop13h 35m

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Wed 10/18

1 stop17h 07m

Atlanta Hartsfield-Jackson

Tue 10/24

2 stops19h 11m

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Wed 10/4

1 stop7h 50m

Atlanta Hartsfield-Jackson

Tue 10/17

1 stop12h 44m

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Sat 10/21

1 stop8h 09m

Atlanta Hartsfield-Jackson

Sat 10/28

1 stop11h 17m

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Thu 10/5

1 stop7h 39m

Atlanta Hartsfield-Jackson

Wed 10/11

1 stop13h 16m

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Mon 10/16

1 stop10h 35m

Atlanta Hartsfield-Jackson

Wed 10/18

1 stop13h 16m

OntarioAtlanta Hartsfield-Jackson

ONT - ATL

ONTATL

Ontario

Sun 10/29

1 stop7h 27m

Atlanta Hartsfield-Jackson

Sat 11/4

1 stop7h 49m

Flights are sorted by cheapest first

Deals found on 9/20

Reviews of airlines servicing Atlanta

To help decide which airline to fly from Ontario to Atlanta, see what other customers have to say about Frontier, American Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Food

7.2

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Overall

8.1

Reviews

1 / 10

The crew was friendly and cabin service was good. It was a full flight bur the crew did a great job of keeping the passengers happy.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Food

7.2

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Overall

8.1

Reviews

1 / 10

The crew was friendly and cabin service was good. It was a full flight bur the crew did a great job of keeping the passengers happy.

Delta
7.9
Good
3,019 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Food

7.2

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Overall

8.1

Reviews

1 / 10

The crew was friendly and cabin service was good. It was a full flight bur the crew did a great job of keeping the passengers happy.

United Airlines
7.4
Good
1,887 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Food

7.2

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Overall

8.1

Reviews

1 / 10

The crew was friendly and cabin service was good. It was a full flight bur the crew did a great job of keeping the passengers happy.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Food

7.2

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Overall

8.1

Reviews

1 / 10

The crew was friendly and cabin service was good. It was a full flight bur the crew did a great job of keeping the passengers happy.

JetBlue
7.2
Good
781 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Food

7.2

Crew

8.6

Comfort

8.0

Entertainment

7.2

Boarding

8.3

Overall

8.1

Reviews

1 / 10

The crew was friendly and cabin service was good. It was a full flight bur the crew did a great job of keeping the passengers happy.

Related info for your journey

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

What airports serve Atlanta from Ontario?

If you're flying from Ontario to Atlanta, you'll hop on your plane at Ontario International Airport. Located two miles east of Downtown Ontario and roughly 38 miles east of Downtown Los Angeles, Ontario International Airport is one of the most used airports in California and its surrounding states. In Atlanta, your plane will touch down at Hartsfield-Jackson Atlanta International Airport. Commonly referred to as ATL, this airport usually has lots of human traffic as it is the second-busiest airport in the world. If you've not made arrangements to be picked up from this airport, worry not, as the airport allows for numerous cab drivers to pick up departing passengers. Given that the airport's professionals are quite knowledgeable, don't hesitate to contact them if you get lost or need assistance.

Which airlines fly directly to Atlanta from Ontario?

If you'd like to fly directly to Atlanta from Ontario, you're in luck as Delta Air Lines offers nonstop Ontario to Atlanta flights. Delta Air Lines, just like most other airlines, often require that their passengers reach the airport 2h before their scheduled flight departs. The airlines demand that passengers arrive this early to check-in, have their luggage inspected, and sort out any issues that may need resolving before it's too late. As this is the case, if you book a Delta Air Lines flight, it's in your best interest to reach the airport 2h before your plane leaves.

What are the layover options between Ontario and Atlanta?

There are a good number of layover options between Ontario and Atlanta. The most notable stop options include Salt Lake City, Denver, and Dallas. If you choose a flight that stops in Denver, you'll land at Denver International. Regarded as one of the most exceptional airports globally, this airport has several duty-free shops, top-notch restaurants, clean washrooms, and adequately large lounges. Given that it has all these features, it's safe to say that you'll have a good time at this airport. If you book a flight that will stop in Dallas, you'll land at Dallas/Fort Worth International Airport. Home to several boutiques, accomplished spas, and affordable restaurants, you'll greatly enjoy a layover at this airport.

Do I need a passport or visa to fly from Ontario to Atlanta?

Flights from Ontario to Atlanta are domestic flights. For domestic flights, U.S. citizens don't need a visa. Instead, you can use documents such as a U.S. passport card, an accepted driver's license, a permanent resident card, or even a U.S. citizenship and immigration services employment authorization card. If you get to the airport and notice that you've misplaced the documents you require to be allowed to board, don't stress. Instead, call one of the TSA officers at the airport. When you do, you’ll be assisted accordingly.

What airports do I use to fly from Ontario to Atlanta?

To fly from Ontario to Atlanta, you need to book a flight from Ontario (ONT) to Hartsfield-Jackson (ATL). Nonstop flights to Atlanta Hartsfield-Jackson from Ontario take 4h 04m on average. When it comes time to book airfare, you have a few options: there are 8 outbound flights from Ontario to Hartsfield-Jackson offered by 6 different airlines.

Can I find flights from Ontario to Atlanta for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Atlanta for under $200. The cheapest flight booked recently is on Frontier for just $110, but on average you can expect to pay $129.

Are there nonstop flights from Ontario to Atlanta for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Ontario to Atlanta under $400. A good price for a nonstop flight from Ontario to Atlanta is less than $488.

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

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

What days are nonstop flights available from Ontario to Atlanta?

Days when nonstop flights are available for this flight are: Saturday.

How popular is this Ontario to Atlanta flight route?

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

Travelers can expect 3 flights from Ontario to Atlanta on average per day.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Ontario to Atlanta?

Airlines like Frontier fly from Ontario to Atlanta in about 7h 12m. The time it takes to get you to your destination can typically vary by up to . There are 1906 mi between Ontario and Atlanta.

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

According to our current data, Frontier ($110), offers the cheapest pricing from Ontario to Atlanta. Frontier is priced at 75% lower than the current average price of a flight leaving 3 months from now.

What are the most popular airlines that fly from Ontario to Atlanta?

What are the most reliable airlines from Ontario to Atlanta?

No one likes to see their flight delayed. When booking a flight from Ontario to Atlanta consider choosing Air France (93%), Frontier (91%) or Delta (90%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Ontario to Atlanta?

On average you can expect to pay $760 for a flight from Ontario to Atlanta. The cheapest flight overall is $131 while the most popular route, (Ontario - Atlanta Hartsfield-Jackson) is currently priced at $118.

What does ONT to ATL mean?

This is defined as Ontario Airport (ONT) and Atlanta Hartsfield-Jackson Airport (ATL). Codes like Atlanta Hartsfield-Jackson Airport are often used to just call airports uniquely.

Alternative routes for Ontario to Atlanta

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ontario to Atlanta

The chart below displays the airlines Cheapflights users traveling from Ontario to Atlanta choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$118Average$249FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$138Average$225FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$208Average$453FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$216Average$402FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$238Average$557FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest$333Average$487FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Hourly flight availability from Ontario to Atlanta

See what time of day planes typically take off from Ontario to Atlanta
1%of flight departuresEarly morningMidnight to 6 am
83%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
16%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Ontario to Atlanta

See how many times per day planes take to the skies headed from Ontario to Atlanta
Sunday8daily flights
Monday9daily flights
Tuesday8daily flights
Wednesday9daily flights
Thursday9daily flights
Friday9daily flights
Saturday7daily flights
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