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Cheap flights from Atlanta to Ontario (ATL - ONT) from $95

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 6/12. 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
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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The best prices from Atlanta Hartsfield-Jackson to Ontario are usually found in August or September, booked 56 days in advance, depart on a Monday or Thursday 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 June 2, 2024.

Popular in

March

Cheapest in

August

Round-trip from

$238

One-way from

$95
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 28% potential price drop
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From Atlanta Hartsfield-Jackson to Ontario
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One-way flight from Atlanta Hartsfield-Jackson to Ontario
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What is the cheapest day to fly round-trip from Atlanta to Ontario?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 39% 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 53 days early can save you up to 47% on average compared to booking a flight this week. If booking 53 days before your flight isn’t an option for you, users have found flights from Atlanta to Ontario for as little as $262 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 $444 for flights departing within the next 3 days.

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

October is one of the best times of the year to fly to Ontario from Atlanta. Prices for October average $308 per person but you can even find prices for as low as $62. The most expensive prices can be found in the month of March. Opting for a October flight can save you 29% on your journey compared to booking in March

What is the cheapest time of day to fly from ATL to ONT?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 53% 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 2,807,690 searches. Data last updated June 2, 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 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Thu 6/1310:29 pmONT - ATL
1 stop12h 19mFrontier
Deal found 6/2$180
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Wed 6/1212:49 amONT - ATL
1 stop26h 25mFrontier
Deal found 6/2$188
Tue 6/1110:24 pmATL - ONT
1 stop28h 25mFrontier
Wed 6/1910:55 pmONT - ATL
1 stop29h 05mFrontier
Deal found 6/1$197
Wed 7/318:50 amATL - ONT
1 stop25h 17mFrontier
Tue 8/1312:49 amONT - ATL
1 stop8h 02mFrontier
Deal found 6/1$198
Wed 6/122:46 pmATL - ONT
1 stop9h 10mFrontier
Sat 6/229:02 pmONT - ATL
1 stop8h 22mFrontier
Deal found 6/1$199
Thu 6/134:40 pmATL - ONT
1 stop10h 19mFrontier
Sat 6/229:02 pmONT - ATL
1 stop8h 22mFrontier
Deal found 6/2$200
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Mon 6/1712:59 amONT - ATL
1 stop26h 15mFrontier
Deal found 6/2$201
Sat 6/153:56 pmATL - ONT
1 stop9h 18mFrontier
Mon 6/1712:59 amONT - ATL
1 stop7h 33mFrontier
Deal found 6/1$203
Sat 6/153:56 pmATL - ONT
1 stop9h 18mFrontier
Tue 6/1812:59 amONT - ATL
1 stop26h 15mFrontier
Deal found 6/1$204

Cheap American Airlines flights from Atlanta to Ontario

Explore cheap flight options specifically provided by American 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 2,807,690 searches. Data last updated June 2, 2024.
Some of the best deals we've found on American Airlines flights traveling from Atlanta to Ontario. Check back soon if you're not seeing flights that suit your needs.
Tue 8/2011:07 amATL - ONT
2 stops10h 17mAmerican Airlines
Wed 8/288:10 amONT - ATL
1 stop6h 28mAmerican Airlines
Deal found 6/1$403
Thu 7/411:04 amATL - ONT
2 stops10h 54mAmerican Airlines
Sun 7/712:59 amONT - ATL
1 stop6h 16mAmerican Airlines
Deal found 6/1$433
Wed 6/124:42 pmATL - ONT
2 stops7h 58mAmerican Airlines
Mon 6/1710:45 pmONT - ATL
1 stop6h 51mAmerican Airlines
Deal found 6/1$583
Sat 6/84:02 pmATL - ONT
2 stops8h 38mAmerican Airlines
Mon 6/1011:59 pmONT - ATL
1 stop6h 20mAmerican Airlines
Deal found 6/2$683
Sat 6/84:44 pmATL - ONT
2 stops7h 56mAmerican Airlines
Mon 6/107:26 pmONT - ATL
2 stops17h 56mAmerican Airlines
Deal found 6/2$852
Wed 6/124:42 pmATL - ONT
2 stops7h 58mAmerican Airlines
Mon 6/178:10 amONT - ATL
2 stops12h 41mAmerican Airlines
Deal found 6/1$862
Sat 6/86:33 pmATL - ONT
1 stop6h 36mAmerican Airlines
Sat 6/1511:59 pmONT - ATL
1 stop6h 20mAmerican Airlines
Deal found 6/2$1,458

Cheap Atlanta to Ontario flights in June & July 2024

Find cheap flight options from Atlanta to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Prices were last updated on June 2, 2024.
The lowest fares we've come across on flights traveling from Atlanta to Ontario in June and July 2024. Check back regularly for other flight deals.
Wed 6/122:46 pmATL - ONT
1 stop9h 10mFrontier
Thu 6/1310:29 pmONT - ATL
1 stop12h 19mFrontier
Deal found 6/1$180
Wed 6/1210:09 pmATL - ONT
1 stop28h 50mFrontier
Fri 6/1412:44 amONT - ATL
1 stop12h 34mFrontier
Deal found 6/2$185
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Wed 6/1212:49 amONT - ATL
1 stop26h 25mFrontier
Deal found 6/2$188
Wed 6/1210:09 pmATL - ONT
1 stop28h 50mFrontier
Sat 6/159:02 pmONT - ATL
1 stop8h 22mFrontier
Deal found 6/2$190
Tue 6/1110:24 pmATL - ONT
1 stop28h 25mFrontier
Wed 6/1910:55 pmONT - ATL
1 stop29h 05mFrontier
Deal found 6/1$197
Wed 6/122:46 pmATL - ONT
1 stop9h 10mFrontier
Sat 6/229:02 pmONT - ATL
1 stop8h 22mFrontier
Deal found 6/1$199
Thu 6/134:40 pmATL - ONT
1 stop10h 19mFrontier
Sat 6/229:02 pmONT - ATL
1 stop8h 22mFrontier
Deal found 6/2$200
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Mon 6/1712:59 amONT - ATL
1 stop26h 15mFrontier
Deal found 6/2$201
Sat 6/153:56 pmATL - ONT
1 stop9h 18mFrontier
Mon 6/1712:59 amONT - ATL
1 stop7h 33mFrontier
Deal found 6/1$203

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 2,807,690 searches. Data last updated June 2, 2024.
The lowest fares we've come across on flights traveling from Atlanta to Ontario in June and July 2024. Check back regularly for other flight deals.
Tue 9/108:18 amATL - ONT
1 stop7h 29mFrontier
Tue 9/2412:49 amONT - ATL
1 stop8h 02mFrontier
Deal found 6/1$176
Sat 9/147:52 pmATL - ONT
1 stop6h 52mFrontier
Tue 9/2412:49 amONT - ATL
1 stop8h 02mFrontier
Deal found 6/1$177
Tue 8/208:18 amATL - ONT
1 stop12h 51mFrontier
Wed 8/285:30 pmONT - ATL
1 stop10h 18mFrontier
Deal found 6/1$178
Sat 9/147:52 pmATL - ONT
1 stop6h 52mFrontier
Sat 9/218:35 pmONT - ATL
1 stop7h 13mFrontier
Deal found 6/1$179
Wed 8/218:18 amATL - ONT
1 stop8h 04mFrontier
Mon 8/268:35 pmONT - ATL
1 stop7h 13mFrontier
Deal found 6/1$180
Wed 8/1412:56 pmATL - ONT
1 stop9h 41mFrontier
Sun 8/1812:49 amONT - ATL
1 stop26h 17mFrontier
Deal found 6/1$181
Thu 9/1212:56 pmATL - ONT
1 stop13h 43mFrontier
Tue 9/2412:49 amONT - ATL
1 stop8h 02mFrontier
Deal found 6/1$182
Wed 6/1210:09 pmATL - ONT
1 stop28h 50mFrontier
Fri 6/1412:44 amONT - ATL
1 stop12h 34mFrontier
Deal found 6/2$185
Tue 8/2712:56 pmATL - ONT
1 stop13h 43mFrontier
Fri 9/68:27 pmONT - ATL
1 stop6h 39mFrontier
Deal found 6/2$187

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 2,807,690 searches. Data last updated June 2, 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 10/108:48 pmATL - ONT
Nonstop4h 40mDelta
Sun 10/2010:00 pmONT - ATL
Nonstop4h 04mDelta
Deal found 6/1$409
Fri 7/58:55 amATL - ONT
Nonstop4h 25mDelta
Thu 7/1110:00 pmONT - ATL
Nonstop4h 15mDelta
Deal found 5/31$411
Mon 7/18:55 amATL - ONT
Nonstop4h 25mDelta
Mon 7/810:00 pmONT - ATL
Nonstop4h 15mDelta
Deal found 6/1$439
Thu 6/276:09 pmATL - ONT
Nonstop4h 33mDelta
Wed 7/37:05 amONT - ATL
Nonstop4h 15mDelta
Deal found 6/1$441
Wed 6/196:09 pmATL - ONT
Nonstop4h 33mDelta
Fri 8/210:00 pmONT - ATL
Nonstop4h 15mDelta
Deal found 5/31$459
Sun 6/238:55 amATL - ONT
Nonstop4h 25mDelta
Sun 6/307:05 amONT - ATL
Nonstop4h 15mDelta
Deal found 6/1$469
Tue 6/189:30 pmATL - ONT
Nonstop4h 30mDelta
Tue 6/2510:00 pmONT - ATL
Nonstop4h 10mDelta
Deal found 6/1$489
Wed 7/36:09 pmATL - ONT
Nonstop4h 35mDelta
Sun 7/77:05 amONT - ATL
Nonstop4h 15mDelta
Deal found 6/1$494
Sat 6/159:30 pmATL - ONT
Nonstop4h 30mDelta
Wed 6/1910:00 pmONT - ATL
Nonstop4h 10mDelta
Deal found 6/1$509

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 2,807,690 searches. Data last updated June 2, 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.
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Thu 6/1310:29 pmONT - ATL
1 stop12h 19mFrontier
Deal found 6/2$180
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Wed 6/1212:49 amONT - ATL
1 stop26h 25mFrontier
Deal found 6/2$188
Tue 6/1110:24 pmATL - ONT
1 stop28h 25mFrontier
Wed 6/1910:55 pmONT - ATL
1 stop29h 05mFrontier
Deal found 6/1$197
Wed 6/122:46 pmATL - ONT
1 stop9h 10mFrontier
Sat 6/229:02 pmONT - ATL
1 stop8h 22mFrontier
Deal found 6/1$199
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Mon 6/1712:59 amONT - ATL
1 stop26h 15mFrontier
Deal found 6/1$200
Wed 6/1210:09 pmATL - ONT
1 stop28h 50mFrontier
Tue 6/1812:59 amONT - ATL
1 stop26h 15mFrontier
Deal found 6/1$201
Mon 6/103:39 pmATL - ONT
1 stop8h 57mFrontier
Tue 6/115:26 pmONT - ATL
1 stop10h 18mFrontier
Deal found 5/31$219
Fri 6/710:24 pmATL - ONT
1 stop28h 33mFrontier
Sat 6/159:02 pmONT - ATL
1 stop8h 22mFrontier
Deal found 6/1$220
Mon 6/108:15 amATL - ONT
1 stop7h 55mFrontier
Wed 6/128:41 pmONT - ATL
1 stop7h 03mFrontier
Deal found 6/1$222

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 2,807,690 searches. Data last updated June 2, 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 6/122:46 pmATL - ONT
1 stop9h 10mFrontier
Deal found 6/2$95
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Deal found 6/2$96
Thu 6/134:40 pmATL - ONT
1 stop10h 19mFrontier
Deal found 6/1$100
Tue 6/1110:24 pmATL - ONT
1 stop11h 38mFrontier
Deal found 6/1$101
Fri 8/3010:29 pmATL - ONT
1 stop28h 15mFrontier
Deal found 6/1$109
Fri 7/58:31 amATL - ONT
1 stop7h 32mFrontier
Deal found 6/1$110
Sat 7/203:57 pmATL - ONT
1 stop9h 12mFrontier
Deal found 6/1$111
Mon 7/13:39 pmATL - ONT
1 stop8h 57mFrontier
Deal found 6/1$112
Sun 6/910:09 pmATL - ONT
1 stop11h 14mFrontier
Deal found 6/1$114

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$198 - $409

Route

Depart

Return

Price

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Wed 7/31

1 stop25h 17m

Ontario

Tue 8/13

1 stop8h 02m

$198

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Wed 6/12

1 stop9h 10m

Ontario

Sat 6/22

1 stop8h 22m

$199

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Thu 6/13

1 stop10h 19m

Ontario

Sat 6/22

1 stop8h 22m

$200

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Tue 6/11

1 stop11h 38m

Ontario

Mon 6/17

1 stop26h 15m

$201

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Sat 6/15

1 stop9h 18m

Ontario

Mon 6/17

1 stop7h 33m

$203

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Sun 8/18

1 stop11h 37m

Ontario

Tue 8/27

1 stop9h 32m

$376

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Sat 8/3

1 stop9h 12m

Ontario

Sun 8/11

2 stops14h 19m

$391

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Tue 8/20

2 stops10h 17m

Ontario

Wed 8/28

1 stop6h 28m

$403

Atlanta Hartsfield-JacksonOntario

ATL - ONT

ATLONT

Atlanta Hartsfield-Jackson

Thu 7/4

Nonstop4h 35m

Ontario

Mon 7/8

Nonstop4h 15m

$409

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I 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 May 31, 2024.
To ensure you get the cheapest price possible for a flight from Atlanta to Ontario, you should look to book at least 56 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

What is the cheapest day 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 May 26, 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. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Atlanta to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 June 2, 2024.
Get a feel of what it's like to fly with Frontier, American Airlines and Alaska Airlines 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.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,402 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

WestJet
7.5
Good
2,860 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,755 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,260 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Entertainment

7.3

Crew

8.6

Food

7.3

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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 20m 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 $198, but on average you can expect to pay $215.

  • Are there nonstop flights from Atlanta to Ontario for under $500 on Cheapflights?

    Cheapflights has at least 20 direct flights from Atlanta to Ontario under $500. A good price for a nonstop flight from Atlanta to Ontario is less than $552.

  • 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: Sunday, Monday, Tuesday, Wednesday, Thursday.

  • How popular is this Atlanta to Ontario flight route?

    Flights from Atlanta Hartsfield-Jackson to Ontario have been viewed 2 times in the past calendar month.

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

    On average 4 flights depart from Atlanta to Ontario per day.
    Morning (6am - Noon) - 25% of flight departures
    Evening (6pm - Midnight) - 75% 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 25h 17m. 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 ($198), offers the cheapest pricing from Atlanta to Ontario. This flight start at 45% lower than the current average price 3 months from now.

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

    The top 3 most reliable airlines when flying from Atlanta to Ontario are ITA Airways (100%), Virgin Atlantic (85%) and LATAM Airlines (78%).

  • What are the cheapest flights from Atlanta to Ontario?

    Looking at all options, your cheapest flight can be booked for $357. While the most popular route (Atlanta Hartsfield-Jackson - Ontario) can be booked for $204 on average our data indicates $762 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 on your Atlanta to Ontario flight 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 Atlanta to Ontario 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 find direct flights from Atlanta to Ontario.

  • 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 flying from Atlanta to Ontario 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.

  • 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 recently were the Atlanta to Ontario flight deals updated?

    The Atlanta to Ontario flight deals you see on this page were last updated on 6/2.

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

    The most popular airlines flying from Atlanta to Ontario are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

  • What is the cheapest month to book a flight from Atlanta to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Atlanta to Ontario (average of $238). Flying from Atlanta to Ontario in July is currently the most expensive (average of $328). 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.

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Alternative routes for Atlanta to Ontario
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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 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$190FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$138Average$211FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$176Average$566FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$225Average$488FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$256Average$453FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Alaska AirlinesCheapest$328Average$655FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
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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.
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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 June 2, 2024.
1%of flight departuresEarly morningMidnight to 6 am
14%of flight departuresMorning6 am to noon
69%of flight departuresAfternoonNoon to 6 pm
16%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 June 2, 2024.
Sunday7daily flights
Monday7daily flights
Tuesday5daily flights
Wednesday3daily flights
Thursday8daily flights
Friday6daily flights
Saturday4daily flights

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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.

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