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O'Hare Intl

$46+ Cheap flights from Atlanta (ATL) to O'Hare Intl (ORD)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ORD
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
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Find cheap flights from Atlanta to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl are usually found in September or January, booked 79 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Atlanta to O'Hare Intl

Cheapest flights from Atlanta to O'Hare Intl
Explore the most affordable flight options available from Atlanta to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.

This Frontier deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:35 am
ATL
-
ORD
Nonstop2h 20m
Frontier
Mon 6/11:50 pm
ORD
-
ATL
Nonstop2h 20m
Frontier
Deal found 4/18$85
This Super.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:15 pm
ATL
-
ORD
Nonstop2h 24m
Frontier
Sat 5/166:55 am
ORD
-
ATL
Nonstop2h 39m
Frontier
Deal found 4/17$86
This Super.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:35 am
ATL
-
ORD
Nonstop2h 20m
Frontier
Sat 5/161:59 pm
ORD
-
ATL
Nonstop2h 20m
Frontier
Deal found 4/21$87
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:25 pm
ATL
-
ORD
Nonstop2h 26m
Frontier
Sat 5/161:59 pm
ORD
-
ATL
Nonstop2h 20m
Frontier
Deal found 4/20$88
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:56 pm
ATL
-
ORD
Nonstop2h 16m
Multiple Airlines
Sat 5/166:55 am
ORD
-
ATL
Nonstop2h 39m
Multiple Airlines
Deal found 4/17$89
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:35 am
ATL
-
ORD
Nonstop2h 20m
Frontier
Tue 5/191:59 pm
ORD
-
ATL
Nonstop2h 20m
Frontier
Deal found 4/20$90
This Super.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:25 pm
ATL
-
ORD
Nonstop2h 26m
Frontier
Tue 5/191:59 pm
ORD
-
ATL
Nonstop2h 20m
Frontier
Deal found 4/19$91
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/146:25 pm
ATL
-
ORD
Nonstop2h 26m
Frontier
Mon 5/186:55 am
ORD
-
ATL
Nonstop2h 39m
Frontier
Deal found 4/20$92
This Priceline deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:23 pm
ATL
-
ORD
Nonstop2h 30m
Multiple Airlines
Sat 7/412:42 pm
ORD
-
ATL
Nonstop1h 56m
Multiple Airlines
Deal found 4/20$93
This Frontier deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:15 pm
ATL
-
ORD
Nonstop2h 24m
Frontier
Sat 5/96:55 am
ORD
-
ATL
Nonstop2h 39m
Frontier
Deal found 4/17$95
This Super.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:35 am
ATL
-
ORD
Nonstop2h 28m
Frontier
Tue 7/71:50 pm
ORD
-
ATL
Nonstop2h 27m
Frontier
Deal found 4/21$96
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:35 am
ATL
-
ORD
Nonstop2h 28m
Frontier
Sat 6/136:55 am
ORD
-
ATL
Nonstop2h 32m
Frontier
Deal found 4/20$97

Find flight deals from Atlanta to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to O'Hare Intl (ORD). 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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$84
(Frontier)

One-way from

$46
(Super.com)

Popular in

March

Cheapest in

September

Average price

$220

Good round-trip deal

$231 or less

Good one-way deal

$175 or less
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Chicago O'Hare Intl flights.
Search Deals
From Atlanta Hartsfield-Jackson to Chicago O'Hare Intl
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to O'Hare Intl 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 2,558,603 searches. Data last updated April 23, 2026.
Use the filters below to find and compare flights from Atlanta to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 6/2

6:25 pm-7:51 pm

Nonstop2h 26m

Chicago O'Hare Intl

Sat 6/6

1:50 pm-5:10 pm

Nonstop2h 20m

$116

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 6/6

10:10 am-6:44 pm

1 stop9h 34m

Chicago O'Hare Intl

Tue 6/9

5:35 pm-2:30 pm

1 stop19h 55m

$180

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 7/7

7:02 pm-11:18 pm

1 stop5h 16m

Chicago O'Hare Intl

Sat 7/11

5:10 am-7:08 pm

1 stop12h 58m

$184

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 6/3

7:30 am-10:29 am

1 stop3h 59m

Chicago O'Hare Intl

Wed 6/3

5:19 pm-10:59 pm

1 stop4h 40m

$227

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 5/9

1:24 pm-2:46 pm

Nonstop2h 22m

Chicago O'Hare Intl

Tue 5/12

7:01 am-10:19 am

Nonstop2h 18m

$252

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 5/16

9:05 am-3:30 pm

2 stops7h 25m

Chicago O'Hare Intl

Tue 5/26

2:40 pm-9:45 pm

1 stop6h 05m

$287
Quickest round-trip

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 6/6

7:15 pm-8:24 pm

Nonstop2h 09m

Chicago O'Hare Intl

Sun 6/7

5:30 am-8:34 am

Nonstop2h 04m

$288

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 5/8

1:24 pm-2:46 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sun 5/10

9:05 am-12:11 pm

Nonstop2h 06m

$307

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sun 5/10

9:12 am-10:16 am

Nonstop2h 04m

Chicago O'Hare Intl

Tue 5/12

7:07 am-10:17 am

Nonstop2h 10m

$320

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 6/3

3:32 pm-8:14 pm

1 stop5h 42m

Chicago O'Hare Intl

Fri 6/5

9:25 am-2:27 pm

1 stop4h 02m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Atlanta to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Atlanta-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Atlanta to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Atlanta to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to O'Hare Intl. Price data was last updated on April 17, 2026.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Atlanta to Chicago O'Hare Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Atlanta to Chicago O'Hare Intl Airport (average of $171). Flying from Atlanta to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $258). 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.

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

Find hourly flight availability from Atlanta to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 23, 2026.

A simple way to save on the total cost of your ticket is to fly from Atlanta to Chicago O'Hare Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Atlanta to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to O'Hare Intl. Price data was last updated on April 18, 2026.

Travelers seeking maximum savings on their Atlanta to Chicago O'Hare Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Atlanta to Chicago O'Hare Intl Airport?

The best insider tips for Atlanta to Chicago O'Hare Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to Chicago O'Hare Intl Airport trip
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Chris Dong

Chris Dong

Expert on ATL

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated April 23, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Atlanta to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,438 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
7.9
Good
8,438 reviews
Delta
7.9
Good
8,438 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
United Airlines
7.4
Good
9,635 reviews
Delta
7.9
Good
8,438 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.1
Good
11,659 reviews
Delta
7.9
Good
8,438 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Spirit Airlines
6.3
Okay
8,633 reviews
Delta
7.9
Good
8,438 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Frontier
5.7
Fair
2,981 reviews
Delta
7.9
Good
8,438 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Food

7.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Atlanta to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Atlanta to Chicago O'Hare Intl?

    Most people fly from Atlanta Hartsfield-Jackson (ATL) if they book a flight from Atlanta to Chicago O'Hare Intl. On average, Hartsfield-Jackson has 82 outbound flights to Chicago O'Hare Intl per day from 5 airlines. Atlanta Hartsfield-Jackson is conveniently located just 8.2 mi from Atlanta’s city center.

  • How long is the flight from Atlanta to Chicago O'Hare Intl Airport?

    Departing from Atlanta to Chicago O'Hare Intl Airport will take you 2h 26m. The distance from Atlanta to Chicago O'Hare Intl Airport is about 606 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Atlanta to Chicago O'Hare Intl Airport round-trip?

    Flying on Frontier is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $58. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $59 and $97, respectively. Users have found that Frontier is 69% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Atlanta to Chicago O'Hare Intl Airport one-way?

    The cheapest airlines for a one-way flight from Atlanta to Chicago O'Hare Intl Airport are Spirit Airlines ($37), Frontier ($37), and American Airlines ($68).

  • What are the most reliable airlines from Atlanta to Chicago O'Hare Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Atlanta to Chicago O'Hare Intl Airport consider choosing Royal Jordanian (84%), Cathay Pacific (79%) or Japan Airlines (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Atlanta to Chicago O'Hare Intl Airport?

    On average you can expect to pay $833 for a flight from Atlanta to Chicago O'Hare Intl Airport. The cheapest flight overall is $71 while the most popular route, (Atlanta Hartsfield-Jackson - Chicago O'Hare Intl) is currently priced at $76.

  • Can I find deals for flights from Atlanta to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Atlanta to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to O'Hare Intl.

  • Can I find deals for business class flights from Atlanta to O'Hare Intl?

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

  • What is the cheapest month to book a flight from Atlanta to Chicago O'Hare Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Atlanta to Chicago O'Hare Intl Airport (average of $171). Flying from Atlanta to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $258). 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.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Rosemont
Schaumburg
Naperville
Gurnee
Lake Geneva
Delavan
Hoffman Estates
Downers Grove
Oakbrook Terrace
Benton Harbor
Des Plaines
Oak Brook
South Holland
Libertyville
Elgin
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Atlanta to O'Hare Intl

Discover the top 5 airlines that operate flights from Atlanta to O'Hare Intl. 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 2,558,603 searches. Data last updated April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$147FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$59Average$116FlexibilityNo cancel feeOn-time65%
DeltaCheapest$97Average$265FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$141Average$283FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$143Average$232FlexibilityNo cancel feeOn-time71%

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