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O'Hare Intl

$48+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl are usually found in January or February, booked 69 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 September 17, 2025.

Round-trip from

$78
(Frontier)

One-way from

$48
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$175

Good round-trip deal

$140 or less

Good one-way deal

$98 or less
From Atlanta Hartsfield-Jackson to Chicago O'Hare Intl
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One-way flight from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl.
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Find 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 September 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1510:17 pmATL - ORD
Nonstop2h 12mFrontier
Wed 11/1912:37 pmORD - ATL
Nonstop2h 04mFrontier
Deal found 9/17$77
This Frontier deal was found by Cheapflights users on 9/16. 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.
Wed 10/1512:30 pmATL - ORD
Nonstop2h 17mFrontier
Sat 10/186:00 amORD - ATL
Nonstop2h 11mFrontier
Deal found 9/16$78
This Frontier deal was found by Cheapflights users on 9/15. 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 10/210:27 pmATL - ORD
Nonstop2h 12mFrontier
Mon 10/65:10 amORD - ATL
Nonstop2h 09mFrontier
Deal found 9/15$80
This Frontier deal was found by Cheapflights users on 9/15. 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 10/32:32 pmATL - ORD
Nonstop2h 18mFrontier
Wed 10/83:12 pmORD - ATL
Nonstop2h 15mFrontier
Deal found 9/15$81
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/244:32 pmATL - ORD
Nonstop2h 15mFrontier
Mon 10/2712:23 pmORD - ATL
Nonstop2h 04mFrontier
Deal found 9/17$82
This Frontier deal was found by Cheapflights users on 9/15. 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 10/32:32 pmATL - ORD
Nonstop2h 18mFrontier
Fri 10/35:50 pmORD - ATL
Nonstop2h 28mFrontier
Deal found 9/15$83
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:14 amATL - ORD
Nonstop2h 17mFrontier
Tue 10/73:12 pmORD - ATL
Nonstop2h 15mFrontier
Deal found 9/17$84
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:19 pmATL - ORD
Nonstop2h 20mFrontier
Sun 10/55:10 amORD - ATL
Nonstop2h 09mFrontier
Deal found 9/17$85
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:27 pmATL - ORD
Nonstop2h 12mFrontier
Sun 10/55:10 amORD - ATL
Nonstop2h 09mFrontier
Deal found 9/15$86
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:27 pmATL - ORD
Nonstop2h 12mFrontier
Wed 10/811:00 amORD - ATL
Nonstop2h 08mFrontier
Deal found 9/15$87
This Frontier deal was found by Cheapflights users on 9/14. 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 9/292:32 pmATL - ORD
Nonstop2h 18mFrontier
Mon 10/65:10 amORD - ATL
Nonstop2h 09mFrontier
Deal found 9/14$89

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 September 17, 2025.
Use the filters below to find and compare flights from Atlanta to Chicago O'Hare Intl Airport that are best for you.

Fly from

Atlanta

Fly to

O'Hare Intl

Route

Depart

Return

Price

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 10/15

1:21 pm-2:35 pm

Nonstop2h 14m

Chicago O'Hare Intl

Wed 10/22

7:10 am-10:13 am

Nonstop2h 03m

$137

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 12/3

6:25 am-1:00 pm

1 stop7h 35m

Chicago O'Hare Intl

Tue 12/9

1:45 pm-7:20 pm

1 stop4h 35m

$157

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 10/15

6:45 am-3:20 pm

2 stops9h 35m

Chicago O'Hare Intl

Wed 10/22

1:50 pm-8:25 pm

1 stop5h 35m

$162

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 10/28

12:35 pm-9:30 pm

2 stops9h 55m

Chicago O'Hare Intl

Wed 10/29

7:30 am-6:25 pm

2 stops9h 55m

$167

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Thu 10/23

2:05 pm-9:30 pm

1 stop8h 25m

Chicago O'Hare Intl

Tue 10/28

7:30 am-6:25 pm

2 stops9h 55m

$172

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 10/15

6:45 am-3:20 pm

2 stops9h 35m

Chicago O'Hare Intl

Sat 10/25

3:10 pm-9:20 pm

1 stop5h 10m

$172

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 10/18

6:10 am-12:45 pm

1 stop7h 35m

Chicago O'Hare Intl

Tue 10/21

7:30 am-6:25 pm

2 stops9h 55m

$172

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 10/24

10:15 am-11:31 am

Nonstop2h 16m

Chicago O'Hare Intl

Sun 10/26

9:14 am-12:24 pm

Nonstop2h 10m

$177

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sun 10/12

8:10 am-9:26 am

Nonstop2h 16m

Chicago O'Hare Intl

Wed 10/15

7:10 am-10:13 am

Nonstop2h 03m

$177

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 11/28

8:10 am-9:24 am

Nonstop2h 14m

Chicago O'Hare Intl

Wed 12/3

9:00 am-12:10 pm

Nonstop2h 10m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 20 results
1
2

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to Chicago O'Hare Intl Airport trip
Airlines
Frontier

Frontier offers extra comfort seats with 32” separation for a fee, enhancing short flight comfort.


Frontier’s Board First option is available with a carry-on purchase, ensuring quicker boarding.

Read more about Frontierby Marisa Garcia
United Airlines

United’s Economy Plus offers extra legroom seats, ideal for added comfort on short flights.


United’s MileagePlus program allows pooling miles, useful for frequent travelers.

Read more about United Airlinesby Harriet Baskas
Airports
ATL

For faster security, try the South security area or use the international terminal for shorter lines if not checking bags.

Read more about ATLby Chris Dong
ORD

Consider taking the “L” train from downtown Chicago to ORD to avoid traffic delays.

Read more about ORDby Ramsey Qubein
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

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 Baskas

Harriet Baskas

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

Ramsey Qubein

Ramsey Qubein

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 Dong

Chris Dong

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

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 September 12, 2025.

Booking 69 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, August is the cheapest month in which you can book a flight from Atlanta to Chicago O'Hare Intl Airport (average of $245). Flying from Atlanta to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 September 17, 2025.

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 53% 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 September 14, 2025.

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. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 17, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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
8,023 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!
Frontier
5.8
Fair
3,173 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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 72 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 14m. 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 Spirit Airlines is currently your cheapest option to Chicago O'Hare Intl Airport, with prices starting at $51. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $58 and $108, respectively. Users have found that Spirit Airlines is 71% cheaper than the other options available to this destination.

  • 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 PSA Airlines (100%), Envoy Air (100%) or WestJet (89%) 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 $687 for a flight from Atlanta to Chicago O'Hare Intl Airport. The cheapest flight overall is $46 while the most popular route, (Atlanta Hartsfield-Jackson - Chicago O'Hare Intl) is currently priced at $106.

  • 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, August is the cheapest month in which you can book a flight from Atlanta to Chicago O'Hare Intl Airport (average of $245). Flying from Atlanta to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$51Average$123FlexibilityNo cancel feeOn-time65%
FrontierCheapest$58Average$144FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$247FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$141Average$264FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$149Average$229FlexibilityNo cancel feeOn-time71%

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