Cheap flights from Atlanta to Ontario (ATL - ONT) from $73

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ATL — ONT
Apr 2 — Apr 91

The best prices from Atlanta Hartsfield-Jackson to Ontario are usually found in May or August, booked 61 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Atlanta to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2024.

Popular in

January

Cheapest in

May

Round-trip from

$238

One-way from

$73
High demand for flights, 36% potential price rise
Best time to find cheap flights, 38% potential price drop
From Atlanta Hartsfield-Jackson to Ontario
One-way flight from Atlanta Hartsfield-Jackson to Ontario

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

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 19% on your flight compared to booking on days when demand is much higher.

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

Users have found that booking a flight from Atlanta to Ontario at least 27 days early can save you up to 61% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from Atlanta to Ontario for as little as $276 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $506 for flights departing within the next 3 days.

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

September is one of the best times of the year to fly to Ontario from Atlanta. Prices for September average $324 per person but you can even find prices for as low as $65. The most expensive prices can be found in the month of June. Opting for a September flight can save you 24% on your journey compared to booking in June

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 48% on flights from Atlanta to Ontario by exploring options for tickets at noon.

Cheap Frontier flights from Atlanta to Ontario

Explore cheap flight options specifically provided by Frontier for the route between Atlanta and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Consider these cheap Frontier flights we've found departing from Atlanta to Ontario. It's recommended that users confirm their flight details before booking.
Tue 4/97:40 pmATL - ONT
1 stop13h 46mFrontier
Mon 4/1512:59 amONT - ATL
1 stop25h 56mFrontier
Deal found 3/26$153
Thu 4/1811:00 amATL - ONT
1 stop9h 46mFrontier
Tue 4/306:55 pmONT - ATL
1 stop10h 05mFrontier
Deal found 3/27$154
Sat 5/113:42 pmATL - ONT
1 stop9h 16mFrontier
Mon 5/2012:59 amONT - ATL
1 stop7h 49mFrontier
Deal found 3/27$157
Thu 5/210:25 pmATL - ONT
1 stop11h 01mFrontier
Mon 5/66:51 pmONT - ATL
1 stop10h 09mFrontier
Deal found 3/27$158
Wed 5/810:27 pmATL - ONT
1 stop10h 59mFrontier
Wed 5/157:26 amONT - ATL
1 stop25h 12mFrontier
Deal found 3/27$159
Wed 4/1012:47 pmATL - ONT
1 stop14h 12mFrontier
Mon 4/1512:59 amONT - ATL
1 stop25h 56mFrontier
Deal found 3/27$160
Thu 4/1811:00 amATL - ONT
1 stop9h 46mFrontier
Tue 4/237:16 amONT - ATL
1 stop19h 39mFrontier
Deal found 3/27$161
Tue 4/1610:25 pmATL - ONT
1 stop11h 01mFrontier
Thu 4/2512:56 amONT - ATL
1 stop7h 41mFrontier
Deal found 3/27$163
Tue 4/235:50 pmATL - ONT
1 stop20h 54mFrontier
Fri 4/2612:55 amONT - ATL
1 stop7h 42mFrontier
Deal found 3/26$164

Cheap United Airlines flights from Atlanta to Ontario

Explore cheap flight options specifically provided by United Airlines for the route between Atlanta and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Some of the best deals we've found on United Airlines flights traveling from Atlanta to Ontario. Check back soon if you're not seeing flights that suit your needs.
Wed 4/37:30 amATL - ONT
1 stop16h 10mUnited Airlines
Wed 4/105:15 amONT - ATL
1 stop20h 45mUnited Airlines
Deal found 3/27$566
Wed 4/311:10 amATL - ONT
1 stop12h 30mUnited Airlines
Tue 4/95:15 amONT - ATL
2 stops13h 28mUnited Airlines
Deal found 3/27$611

Cheap Atlanta to Ontario flights in March & April 2024

Find cheap flight options from Atlanta to Ontario specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Prices were last updated on March 28, 2024.
The lowest fares we've come across on flights traveling from Atlanta to Ontario in March and April 2024. Check back regularly for other flight deals.
Tue 4/97:40 pmATL - ONT
1 stop13h 46mFrontier
Mon 4/1512:59 amONT - ATL
1 stop25h 56mFrontier
Deal found 3/26$153
Thu 4/1811:00 amATL - ONT
1 stop9h 46mFrontier
Tue 4/306:55 pmONT - ATL
1 stop10h 05mFrontier
Deal found 3/27$154
Wed 4/2410:27 pmATL - ONT
1 stop10h 59mFrontier
Tue 4/3012:59 amONT - ATL
1 stop7h 43mFrontier
Deal found 3/27$158
Wed 4/1012:47 pmATL - ONT
1 stop14h 12mFrontier
Mon 4/1512:59 amONT - ATL
1 stop25h 56mFrontier
Deal found 3/27$160
Thu 4/1811:00 amATL - ONT
1 stop9h 46mFrontier
Tue 4/237:16 amONT - ATL
1 stop19h 39mFrontier
Deal found 3/27$161
Tue 4/97:40 pmATL - ONT
1 stop13h 46mMultiple Airlines
Mon 4/1512:59 amONT - ATL
2 stops19h 30mMultiple Airlines
Deal found 3/26$162
Tue 4/1610:25 pmATL - ONT
1 stop11h 01mFrontier
Thu 4/2512:56 amONT - ATL
1 stop7h 41mFrontier
Deal found 3/27$163
Tue 4/235:50 pmATL - ONT
1 stop20h 54mFrontier
Fri 4/2612:55 amONT - ATL
1 stop7h 42mFrontier
Deal found 3/26$164
Sat 4/2012:42 pmATL - ONT
1 stop14h 17mFrontier
Thu 4/2512:56 amONT - ATL
1 stop7h 41mFrontier
Deal found 3/27$166

Atlanta to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Atlanta and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
The lowest fares we've come across on flights traveling from Atlanta to Ontario in March and April 2024. Check back regularly for other flight deals.
Tue 4/97:40 pmATL - ONT
1 stop13h 46mFrontier
Mon 4/1512:59 amONT - ATL
1 stop25h 56mFrontier
Deal found 3/26$153
Thu 4/1811:00 amATL - ONT
1 stop9h 46mFrontier
Tue 4/306:55 pmONT - ATL
1 stop10h 05mFrontier
Deal found 3/27$154
Sat 5/113:42 pmATL - ONT
1 stop9h 16mFrontier
Mon 5/2012:59 amONT - ATL
1 stop7h 49mFrontier
Deal found 3/27$157
Thu 5/210:25 pmATL - ONT
1 stop11h 01mFrontier
Mon 5/66:51 pmONT - ATL
1 stop10h 09mFrontier
Deal found 3/27$158
Wed 5/810:27 pmATL - ONT
1 stop10h 59mFrontier
Wed 5/157:26 amONT - ATL
1 stop25h 12mFrontier
Deal found 3/27$159
Wed 4/1012:47 pmATL - ONT
1 stop14h 12mFrontier
Mon 4/1512:59 amONT - ATL
1 stop25h 56mFrontier
Deal found 3/27$160
Thu 4/1811:00 amATL - ONT
1 stop9h 46mFrontier
Tue 4/237:16 amONT - ATL
1 stop19h 39mFrontier
Deal found 3/27$161
Tue 4/97:40 pmATL - ONT
1 stop13h 46mMultiple Airlines
Mon 4/1512:59 amONT - ATL
2 stops19h 30mMultiple Airlines
Deal found 3/26$162
Tue 4/1610:25 pmATL - ONT
1 stop11h 01mFrontier
Thu 4/2512:56 amONT - ATL
1 stop7h 41mFrontier
Deal found 3/27$163

Non-stop flights to Ontario from Atlanta

Discover non-stop flight options from Atlanta to Ontario. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Take a look at some of the direct flights traveling from Atlanta to Ontario in the near future. Search for alternative flights from Atlanta to Ontario by utilizing the search form above.
Thu 5/29:20 pmATL - ONT
Nonstop4h 42mDelta
Mon 5/612:42 pmONT - ATL
Nonstop4h 07mDelta
Deal found 3/28$539
Sat 4/207:06 pmATL - ONT
Nonstop4h 40mDelta
Fri 4/2610:00 pmONT - ATL
Nonstop4h 04mDelta
Deal found 3/27$549
Sat 4/207:06 pmATL - ONT
Nonstop4h 40mDelta
Fri 4/266:10 amONT - ATL
Nonstop4h 04mDelta
Deal found 3/28$559
Sat 4/207:06 pmATL - ONT
Nonstop4h 40mDelta
Mon 4/226:10 amONT - ATL
Nonstop4h 04mDelta
Deal found 3/27$569
Wed 4/105:59 pmATL - ONT
Nonstop4h 42mDelta
Wed 4/1712:35 pmONT - ATL
Nonstop4h 07mDelta
Deal found 3/27$579
Sat 4/139:40 amATL - ONT
Nonstop4h 42mDelta
Sun 4/216:10 amONT - ATL
Nonstop4h 04mDelta
Deal found 3/27$589
Thu 4/119:15 pmATL - ONT
Nonstop4h 42mDelta
Mon 4/156:10 amONT - ATL
Nonstop4h 04mDelta
Deal found 3/27$599
Mon 7/19:07 pmATL - ONT
Nonstop4h 30mDelta
Thu 7/412:04 pmONT - ATL
Nonstop4h 21mDelta
Deal found 3/27$618
Wed 5/15:59 pmATL - ONT
Nonstop4h 42mDelta
Sun 5/510:00 pmONT - ATL
Nonstop4h 04mDelta
Deal found 3/27$628

Atlanta to Ontario flights leaving soon

Find last-minute flight options from Atlanta to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Have a look at some of the last-minute flights available departing from Atlanta to Ontario. Tip: verify your flight details before completing your reservation.
Wed 4/36:57 pmATL - ONT
1 stop8h 12mFrontier
Mon 4/157:53 amONT - ATL
1 stop7h 30mFrontier
Deal found 3/27$190
Thu 4/410:30 pmATL - ONT
1 stop11h 41mFrontier
Tue 4/95:26 pmONT - ATL
1 stop10h 14mFrontier
Deal found 3/26$203
Wed 4/36:57 pmATL - ONT
1 stop8h 12mFrontier
Tue 4/910:08 pmONT - ATL
1 stop6h 52mFrontier
Deal found 3/27$209
Wed 4/36:57 pmATL - ONT
1 stop8h 12mFrontier
Sun 4/147:53 amONT - ATL
1 stop7h 50mFrontier
Deal found 3/27$212
Thu 4/410:30 pmATL - ONT
1 stop11h 41mFrontier
Sun 4/147:53 amONT - ATL
1 stop7h 50mFrontier
Deal found 3/27$225
Wed 4/36:57 pmATL - ONT
1 stop8h 12mFrontier
Sun 4/147:53 amONT - ATL
1 stop7h 50mFrontier
Deal found 3/27$231
Thu 4/410:30 pmATL - ONT
1 stop11h 41mFrontier
Mon 4/156:51 pmONT - ATL
1 stop10h 09mFrontier
Deal found 3/27$232
Wed 4/36:57 pmATL - ONT
1 stop8h 12mFrontier
Wed 4/1012:59 amONT - ATL
1 stop26h 02mFrontier
Deal found 3/27$235
Wed 4/36:57 pmATL - ONT
1 stop8h 12mFrontier
Mon 4/157:53 amONT - ATL
1 stop7h 30mFrontier
Deal found 3/27$238

One-way flights to Ontario from Atlanta

Search for one-way flight options from Atlanta to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
Take a look at some of the one-way flights we've detected from Atlanta to Ontario. Those needing a return flight from Atlanta to Ontario can use the search form above.
Wed 4/2412:47 pmATL - ONT
1 stop14h 12mFrontier
Deal found 3/27$73
Sat 5/113:42 pmATL - ONT
1 stop9h 16mFrontier
Deal found 3/27$79
Thu 4/1811:00 amATL - ONT
1 stop9h 46mFrontier
Deal found 3/27$84
Thu 4/2510:25 pmATL - ONT
1 stop11h 01mFrontier
Deal found 3/27$85
Wed 4/2410:27 pmATL - ONT
1 stop10h 59mFrontier
Deal found 3/27$86
Thu 5/1610:12 pmATL - ONT
1 stop28h 47mFrontier
Deal found 3/27$89
Tue 4/97:40 pmATL - ONT
1 stop7h 29mFrontier
Deal found 3/27$90
Wed 4/241:11 pmATL - ONT
2 stops20h 15mFrontier
Deal found 3/27$92
Wed 4/1010:27 pmATL - ONT
1 stop10h 59mFrontier
Deal found 3/27$96

Find flights from Atlanta to Ontario within your budget

Customize your flight search to find flights from Atlanta to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$153 - $195

Route

Depart

Return

Price

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Tue 4/9

1 stop13h 46m

Ontario

Mon 4/15

1 stop25h 56m

$153

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Thu 4/18

1 stop9h 46m

Ontario

Tue 4/30

1 stop10h 05m

$154

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Sat 5/11

1 stop9h 16m

Ontario

Mon 5/20

1 stop7h 49m

$157

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Thu 5/2

1 stop11h 01m

Ontario

Mon 5/6

1 stop10h 09m

$158

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Wed 5/8

1 stop10h 59m

Ontario

Wed 5/15

1 stop25h 12m

$159

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Wed 4/10

1 stop14h 12m

Ontario

Mon 4/15

1 stop25h 56m

$160

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Thu 4/18

1 stop9h 46m

Ontario

Tue 4/23

1 stop19h 39m

$161

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Tue 4/9

1 stop13h 46m

Ontario

Mon 4/15

2 stops19h 30m

$162

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Fri 4/19

1 stop11h 05m

Ontario

Sat 4/20

1 stop6h 57m

$195

Flights are sorted by cheapest first

Deals found on 3/26

When is the best time to book a flight from Atlanta to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Ontario. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Atlanta to Ontario, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Atlanta to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Ontario. Price data was last updated on March 24, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Atlanta to Ontario flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Ontario by month

Plan your trip from Atlanta to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight from Atlanta to Ontario is currently $86 while a round-trip flight costs $162. Price data was last updated on March 24, 2024.

Currently, October is the cheapest month in which you can book a flight from Atlanta to Ontario (average of $237). Flying from Atlanta to Ontario in June is currently the most expensive (average of $349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$271

February

$287

March

$281

April

$297

May

$274

June

$349

July

$334

August

$288

September

$258

October

$237

November

$268

December

$271

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated March 28, 2024.
Get a feel of what it's like to fly with Frontier, United Airlines and Delta from Atlanta to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,332 reviews

Food

7.4

Boarding

8.3

Comfort

8.1

Overall

8.2

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

The flight attendant on the flight was extremely unprofessional and obnoxious. He treated the entire plane as if we were on a seventh grade camping trip. He thought he was funny but was actually rude to us while we were on the ground waiting to continue to our final stop. It was like being stuck with a bad comedian for four solid hours. We flew from Chicago to Long Beach to Reno over 5 hours and they did not have any food other then graham crackers. Because of being delayed no one had time to get food in the airport between flights. Terrible experience and Southwest should look into this crew member.

Southwest
8.2
Very good
6,332 reviews
Southwest
8.2
Very good
6,332 reviews

Food

7.4

Boarding

8.3

Comfort

8.1

Overall

8.2

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

The flight attendant on the flight was extremely unprofessional and obnoxious. He treated the entire plane as if we were on a seventh grade camping trip. He thought he was funny but was actually rude to us while we were on the ground waiting to continue to our final stop. It was like being stuck with a bad comedian for four solid hours. We flew from Chicago to Long Beach to Reno over 5 hours and they did not have any food other then graham crackers. Because of being delayed no one had time to get food in the airport between flights. Terrible experience and Southwest should look into this crew member.

8.1
Very good
9,127 reviews
Southwest
8.2
Very good
6,332 reviews

Food

7.4

Boarding

8.3

Comfort

8.1

Overall

8.2

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

The flight attendant on the flight was extremely unprofessional and obnoxious. He treated the entire plane as if we were on a seventh grade camping trip. He thought he was funny but was actually rude to us while we were on the ground waiting to continue to our final stop. It was like being stuck with a bad comedian for four solid hours. We flew from Chicago to Long Beach to Reno over 5 hours and they did not have any food other then graham crackers. Because of being delayed no one had time to get food in the airport between flights. Terrible experience and Southwest should look into this crew member.

8.1
Very good
11,402 reviews
Southwest
8.2
Very good
6,332 reviews

Food

7.4

Boarding

8.3

Comfort

8.1

Overall

8.2

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

The flight attendant on the flight was extremely unprofessional and obnoxious. He treated the entire plane as if we were on a seventh grade camping trip. He thought he was funny but was actually rude to us while we were on the ground waiting to continue to our final stop. It was like being stuck with a bad comedian for four solid hours. We flew from Chicago to Long Beach to Reno over 5 hours and they did not have any food other then graham crackers. Because of being delayed no one had time to get food in the airport between flights. Terrible experience and Southwest should look into this crew member.

7.7
Good
4,840 reviews
Southwest
8.2
Very good
6,332 reviews

Food

7.4

Boarding

8.3

Comfort

8.1

Overall

8.2

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

The flight attendant on the flight was extremely unprofessional and obnoxious. He treated the entire plane as if we were on a seventh grade camping trip. He thought he was funny but was actually rude to us while we were on the ground waiting to continue to our final stop. It was like being stuck with a bad comedian for four solid hours. We flew from Chicago to Long Beach to Reno over 5 hours and they did not have any food other then graham crackers. Because of being delayed no one had time to get food in the airport between flights. Terrible experience and Southwest should look into this crew member.

7.4
Good
11,481 reviews
Southwest
8.2
Very good
6,332 reviews

Food

7.4

Boarding

8.3

Comfort

8.1

Overall

8.2

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

The flight attendant on the flight was extremely unprofessional and obnoxious. He treated the entire plane as if we were on a seventh grade camping trip. He thought he was funny but was actually rude to us while we were on the ground waiting to continue to our final stop. It was like being stuck with a bad comedian for four solid hours. We flew from Chicago to Long Beach to Reno over 5 hours and they did not have any food other then graham crackers. Because of being delayed no one had time to get food in the airport between flights. Terrible experience and Southwest should look into this crew member.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Atlanta to Ontario?

    To fly from Atlanta to Ontario, you need to book a flight from Hartsfield-Jackson (ATL) to Ontario (ONT). Nonstop flights to Ontario from Atlanta Hartsfield-Jackson take 4h 25m on average. When it comes time to book airfare, you have a few options: there are 5 outbound flights from Hartsfield-Jackson to Ontario offered by 6 different airlines.

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

    Yes, there are multiple flights from Atlanta to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $153, but on average you can expect to pay $164.

  • Are there nonstop flights from Atlanta to Ontario for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Atlanta to Ontario under $600. A good price for a nonstop flight from Atlanta to Ontario is less than $712.

  • 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?

    Nonstop flights can be found on the following days: Friday.

  • How popular is this Atlanta to Ontario flight route?

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

    On average 1 flight departs from Atlanta to Ontario per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Atlanta to Ontario?

    There are many flights that can get you from Atlanta to Ontario in 13h 46m. Fly via Frontier to get the fastest option. Atlanta and Ontario are separated by a distance of 1906 mi.

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

    According to our current data, Frontier ($153), offers the cheapest pricing from Atlanta to Ontario. This flight start at 51% lower than the current average price 3 months from now.

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

  • What are the most reliable airlines from Atlanta to Ontario?

    The top 3 most reliable airlines when flying from Atlanta to Ontario are Aeromexico (94%), Delta (90%) and KLM (88%).

  • What are the cheapest flights from Atlanta to Ontario?

    Looking at all options, your cheapest flight can be booked for $258. While the most popular route (Atlanta Hartsfield-Jackson - Ontario) can be booked for $154 on average our data indicates $785 when flying from Atlanta to Ontario.

  • What does ATL to ONT mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Atlanta Hartsfield-Jackson Airport to Ontario Airport flight would often be abbreviated as a ATL to ONT flight.

  • Can I find deals for flights from Atlanta to Ontario that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Atlanta to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Atlanta to Ontario that include hotel bookings?

    Yes. In addition to deals on Atlanta to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from Atlanta to Ontario?

    Yes. Cheapflights offers flight deals from Atlanta to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Atlanta to Ontario that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • How recently were the Atlanta to Ontario flight deals updated?

    The Atlanta to Ontario flight deals you see on this page were last updated on 3/27.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Atlanta to Ontario

Discover the top 6 airlines that operate flights from Atlanta to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,228,805 searches. Data last updated March 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$190FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$138Average$205FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$208Average$565FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$218Average$469FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$256Average$445FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapest$328Average$655FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Search flights from Atlanta to Ontario by cabin class

Find flights from Atlanta to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Atlanta to Ontario

Find hourly flight availability from Atlanta to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2024.
1%of flight departuresEarly morningMidnight to 6 am
27%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
72%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Atlanta to Ontario

Explore weekly flight availability from Atlanta to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 28, 2024.
Sunday7daily flights
Monday7daily flights
Tuesday5daily flights
Wednesday3daily flights
Thursday8daily flights
Friday6daily flights
Saturday4daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Atlanta to Ontario?

Cheapflights makes it easy to find Atlanta to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Atlanta to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Atlanta to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Atlanta to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Atlanta to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Atlanta to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Atlanta to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

Can I find deals on last-minute flights from Atlanta to Ontario?

Yes, you can often find last-minute deals on Atlanta to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

How can I compare prices from different travel booking sites for flights from Atlanta to Ontario?

Cheapflights aggregates prices from various travel booking sites. This allows you to compare prices and choose the best deal.

Can I find deals for flights from Atlanta to Ontario that offer flexible cancellation policies?

Cancellation policies vary by airline and fare type. After entering your flight details, you can view the cancellation policies for each deal in the search results. Some deals may offer flexibility in terms of cancellation and changes.

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