HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$45+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — ORD
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl are usually found in January or September, booked 69 days in advance, depart on a Thursday or Friday 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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$98
(Frontier)

One-way from

$45
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$164

Good round-trip deal

$152 or less

Good one-way deal

$92 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. 4% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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

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 March 27, 2025.

This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:19 pmATL - ORD
Nonstop2h 09mSpirit Airlines
Sun 9/286:00 amORD - ATL
Nonstop1h 59mSpirit Airlines
Deal found 3/26$93
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 5/99:52 pmATL - ORD
Nonstop2h 19mMultiple Airlines
Sun 5/1111:00 amORD - ATL
Nonstop2h 04mMultiple Airlines
Deal found 3/25$108
This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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.
Wed 5/78:17 amATL - ORD
Nonstop2h 21mFrontier
Wed 5/1411:10 amORD - ATL
Nonstop2h 13mFrontier
Deal found 3/26$116
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/107:30 amATL - ORD
Nonstop2h 05mDelta
Sat 5/104:25 pmORD - ATL
Nonstop2h 02mDelta
Deal found 3/25$157
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/176:20 amATL - ORD
Nonstop2h 13mAmerican Airlines
Sun 7/205:15 amORD - ATL
1 stop4h 07mAmerican Airlines
Deal found 3/26$247

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 March 27, 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

Sat 9/13

9:42 am-2:15 pm

1 stop5h 33m

Chicago O'Hare Intl

Wed 9/17

6:00 am-8:59 am

Nonstop1h 59m

$99

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 5/9

9:52 pm-11:11 pm

Nonstop2h 19m

Chicago O'Hare Intl

Sun 5/11

11:00 am-2:04 pm

Nonstop2h 04m

$108

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 5/7

8:17 am-9:38 am

Nonstop2h 21m

Chicago O'Hare Intl

Wed 5/14

11:10 am-2:23 pm

Nonstop2h 13m

$116

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 5/10

7:30 am-8:35 am

Nonstop2h 05m

Chicago O'Hare Intl

Sat 5/10

4:25 pm-7:27 pm

Nonstop2h 02m

$157

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 4/18

10:10 am-4:25 pm

1 stop7h 15m

Chicago O'Hare Intl

Tue 4/29

7:30 am-4:40 pm

2 stops8h 10m

$196

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Thu 7/17

6:20 am-7:33 am

Nonstop2h 13m

Chicago O'Hare Intl

Sun 7/20

5:15 am-10:22 am

1 stop4h 07m

$247

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 4/29

5:12 pm-12:20 am

1 stop8h 08m

$45

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 4/26

7:29 am-8:48 am

Nonstop2h 19m

$58

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 5/14

10:55 pm-11:58 pm

Nonstop2h 03m

$79

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sun 4/27

6:45 am-8:01 am

Nonstop2h 16m

$86

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 15 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
FareScanPrice Accuracy-Trust 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.

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

Consider using MARTA for a quick 15-20 minute ride from downtown Atlanta to ATL's domestic terminal.

Read more about ATLby Chris Dong
ORD

Take 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 March 21, 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 $323). 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 March 27, 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 64% on your trip compared to booking a flight at noon.

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 March 23, 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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Atlanta to Chicago O'Hare Intl Airport

Explore weekly flight availability from Atlanta to O'Hare Intl. 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 27, 2025.

The most flights from ATL to ORD are scheduled on a Wednesday (75 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (24 on average).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 27, 2025.
To help decide which airline to fly from Atlanta to Chicago, see what other customers have to say about Southwest, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.1

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.1

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.1

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.1

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.1

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
348 reviews
Southwest
8.1
Very good
4,273 reviews

Entertainment

7.6

Boarding

8.2

Crew

8.6

Food

7.1

Overall

8.1

Comfort

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 51 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.

  • 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 $98. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and Delta, with the lowest prices starting at $105 and $157, respectively. Users have found that Frontier is 43% 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 ($45), Frontier ($48), and Delta ($79).

  • 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 Japan Airlines (95%), ANA (95%) or Alaska Airlines (92%) 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 $3,603 for a flight from Atlanta to Chicago O'Hare Intl Airport. The cheapest flight overall is $29 while the most popular route, (Atlanta Hartsfield-Jackson - Chicago O'Hare Intl) is currently priced at $60.

  • 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 $323). 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 Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Rosemont
Beloit
Naperville
Schaumburg
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Kenosha
Arlington Heights
Joliet
Orland Park
Merrillville
Northbrook
Evanston
New Buffalo
Elgin
Glenview
Lake Geneva

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$106FlexibilityNo cancel feeOn-time65%
FrontierCheapest$50Average$133FlexibilityNo cancel feeOn-time62%
DeltaCheapest$104Average$241FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$117Average$263FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$137Average$238FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.