ATL - ORD

$77 Find Cheap Flights from Atlanta to Chicago O'Hare Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Atlanta to O'Hare Intl departing on 9/9. 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.
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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$151
Typical prices: $158-$347
Frontier
Wed 7/22Sat 7/25
ATL - ORD • Non-stop
Cheapest one-way
$77
Typical prices: $91-$196
Frontier
Wed 9/9
ATL - ORD • 1 stop
Advice from real travelers
AI-powered summary based on content written by travel experts and KAYAK users. AI can make mistakes.
Frontier Economy Bundle adds a carry-on and seat selection for budget value.
Delta offers free Wi-Fi; United Economy Plus adds up to six inches of legroom.
Expert advice
Expert advice
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Expert advice
Expert advice
+1
Nonstop flights
You can fly direct with American Airlines, Delta and others. Average duration is 2h 22m
Direct flights
Direct flights
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Direct flights
Direct flights
+1
Avoid delays
Most punctual • 91% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
Good to know
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Good to know
Good to know
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We hope you love your trip to O'Hare Intl!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Atlanta to O'Hare Intl (ATL-ORD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Atlanta to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Atlanta to O'Hare Intl

Wed, Jul 22 - Sat, Jul 25
Frontier Logo
6:35 am - 7:53 am
ATL
-
ORD
2h 18mnonstop
Frontier Logo
7:05 am - 10:30 am
ORD
-
ATL
2h 25mnonstop
$151Frontier
Sat, Oct 3 - Sat, Oct 3
Frontier Logo
10:45 am - 12:02 pm
ATL
-
ORD
2h 17mnonstop
Frontier Logo
2:03 pm - 5:17 pm
ORD
-
ATL
2h 14mnonstop
$153Frontier
Tue, Aug 4 - Thu, Aug 6
United Airlines Logo
8:44 pm - 9:59 pm
ATL
-
ORD
2h 15mnonstop
United Airlines Logo
1:55 pm - 5:10 pm
ORD
-
ATL
2h 15mnonstop
$155United Airlines
Fri, Aug 21 - Mon, Aug 24
Frontier Logo
8:29 pm - 11:08 pm
ATL
-
ORD
27h 39m
1 stop
Frontier Logo
2:25 pm - 11:44 pm
ORD
-
ATL
8h 19m
1 stop
$156Frontier
Sat, Aug 8 - Thu, Aug 13
American Airlines Logo
2:12 pm - 3:37 pm
ATL
-
ORD
2h 25mnonstop
American Airlines Logo
8:25 am - 11:25 am
ORD
-
ATL
2h 00mnonstop
$157American Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
5:28 pm - 6:54 pm
ATL
-
ORD
2h 26mnonstop
American Airlines Logo
4:14 pm - 7:15 pm
ORD
-
ATL
2h 01mnonstop
$158American Airlines
Wed, Aug 19 - Fri, Aug 21
Frontier Logo
6:35 am - 7:53 am
ATL
-
ORD
2h 18mnonstop
Frontier Logo
2:25 pm - 11:44 pm
ORD
-
ATL
8h 19m
1 stop
$159Frontier
Wed, Sep 30 - Wed, Oct 7
Frontier Logo
6:22 pm - 7:44 pm
ATL
-
ORD
2h 22mnonstop
Frontier Logo
2:03 pm - 5:17 pm
ORD
-
ATL
2h 14mnonstop
$160Frontier
Wed, Jul 22 - Fri, Jul 24
Frontier Logo
6:35 am - 7:53 am
ATL
-
ORD
2h 18mnonstop
Frontier Logo
7:05 am - 10:30 am
ORD
-
ATL
2h 25mnonstop
$161Frontier
Thu, Jul 23 - Sun, Aug 2
Frontier Logo
6:35 am - 7:53 am
ATL
-
ORD
2h 18mnonstop
Frontier Logo
7:05 am - 10:30 am
ORD
-
ATL
2h 25mnonstop
$162Frontier
Booking Insights

KAYAK's insights & trends for Atlanta to O'Hare Intl flights

Get data-powered insights and trends into flights from Atlanta to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Atlanta to Chicago O'Hare Intl Airport?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Atlanta to Chicago O'Hare Intl Airport departing in July.

What’s the cheapest day of the week to fly from Atlanta to Chicago O'Hare Airport?

The average price of all round-trip flights from Atlanta to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.

When flying from Atlanta to Chicago O'Hare Airport, you should consider leaving on a Friday and avoid Mondays if you are looking for the best rates. For your return to Atlanta, you’ll find the best rates on Fridays and the most expensive ones on Sundays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Atlanta to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Atlanta to Chicago O'Hare Intl Airport is January, where tickets cost $172 (return) on average. On the other hand, the most expensive months are June and March, where the average cost of round-trip tickets is $291 and $260 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Atlanta to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Atlanta to Chicago O'Hare Intl Airport, you should book around 2 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Atlanta to O'Hare Intl

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier, Delta, United Airlines and ORD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American 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.

Blane Bachelor

Blane Bachelor

Expert on ATL

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low seasonJanuary
Cheapest flight$77
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 13% increase in price.
Flight from Atlanta to Chicago O'Hare Airport

When to book flights from Atlanta to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Atlanta to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Atlanta to O'Hare Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Atlanta to O'Hare Intl 
Dr. JosephFlew with United Airlines
ATL
-
ORD
Apr 2026
Always keep track of the weather at both locations and where the inbound flight is coming from.
Verified travelerFlew with United Airlines
ATL
-
ORD
Apr 2026
Make sure the flight you select has more than 3 hours as time allotted for transiting to another flight. Most of United Airlines flights get delayed and if you don’t have enough time, you’ll be missing the next flight for sure. Have extra budget for shelter expenses because most of the economy tickets does not qualify for shelter accommodation/ voucher when your flight is delayed.

FAQs for booking Atlanta to Chicago O'Hare Airport flights

  • Does O'Hare offer services for people with disabilities?

    The airport has made it much easier for people with disabilities to access the services and the social amenities in the airport. You can use the accessibility guide, which acts as a map across the airport. When in need of assistance, you should inform the staff in advance for preparation.

  • As a lactating mother can I find a place to stay while at O'Hare Airport?

    The airport has made adjustments that are meant to make you feel comfortable. With the exception of the lounges, lactating mothers have access to the mother's room. This room is located in every terminal which is set aside to give breastfeeding mothers privacy.

  • Does O'Hare have fitness areas for travelers ?

    While at O'Hare, you can make use of the health club and yoga room that are offered by the airport. The health club which is in Terminal 2 provides you with a sauna, steam room, lap pool, locker room services and Jacuzzi. For those who opt for yoga, Terminal 3 has a room set aside for meditation with a changing room and state of the art technology.

  • Where do I relax as a nature lover after a long journey to O'Hare Airport?

    For nature lo vers, O'Hare has a special location in the international terminal that allows for people to interact with nature. You can access the urban garden, which showcases over 25 different plants with the aim of supporting aeroponic culture.

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

    In the last 5 days, the lowest price for a flight from Atlanta to Chicago O'Hare Intl Airport was $77 for a one-way ticket and $151 for a round-trip.

  • Do I need a passport to fly between Atlanta and Chicago O'Hare Airport?

    A passport is not required to fly from Atlanta to Chicago O'Hare Airport.

  • Which airlines offer Wi-Fi service onboard planes from Atlanta to Chicago O'Hare Airport?

    Delta, American Airlines, JetBlue, and Alaska Airlines offer inflight Wi-Fi service on the Atlanta to Chicago O'Hare Airport flight route.

  • Which aircraft models fly most regularly from Atlanta to Chicago O'Hare Airport?

    The Airbus A319 is the aircraft model that flies most regularly on the Atlanta to Chicago O'Hare Airport flight route.

  • Which airline alliances offer flights from Atlanta to Chicago O'Hare Airport?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Atlanta and Chicago O'Hare Airport, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Atlanta to Chicago O'Hare Airport?

    There are nonstop flights from Atlanta to Chicago O'Hare Airport on a daily basis.

  • Which is the best airline for flights from Atlanta to Chicago, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Atlanta to Chicago are Delta and United Airlines. With an average price for the route of $323 and an overall rating of 7.8, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $314 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Atlanta to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Atlanta to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Atlanta to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Atlanta is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Atlanta to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Atlanta with another airline. Booking your flights between Atlanta and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Atlanta to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Atlanta up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Atlanta to Chicago O'Hare Intl Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $135 or less one-way and $239 or less round-trip.
  • Atlanta has two main airports. Hartsfield-Jackson Atlanta International Airport (ATL) and Hilton Head Island Airport (HHH). The two airports are strategically located such that every traveler can access them. However, the Hartsfield-Jackson Airport (ATL) is considered the best to travel to Chicago. It has several international and domestic airlines, such as Spirit Airlines, Delta Air Lines, and American Airlines.
  • When you arrive early for your flight, O'Hare International Airport (ORD) has lounges where you can relax in both domestic and international terminals. The lounges found in the domestic terminals are the United Club, United Polaris Lounge, American Airlines Flagship Lounge, and the Delta Sky Club. They can be found in Terminals 1, 2, and 3. The lounges in the international terminal include SAS Lounge, Swissport Lounge, and British Airways Terraces Lounge.
  • The Atlanta airport has special services for its passengers if you need an area to relax and wait for your flight. Inside the airport, the airlines offer refreshments, premium food, Wi-Fi, and relaxation services. When you are at Atlanta International Airport, head straight to XpressSpa. While you wait for your flight, you will enjoy stress and sinus treatment, leg, body, and foot massage, waxing, and pedicures.
  • Access to the airport in Atlanta is very easy and convenient. Due to the state of infrastructure, the airport can be accessed using car rental or cabs at a very convenient rate. The airport also has a parking lot that can accommodate over 10,000 cars. The car park is charged on an hourly basis and is very affordable for every traveler.
  • O'Hare serves as a layover station for people traveling to the neighboring towns and cities. Therefore if you are going to visit Millennium Park or Navy Pier, O'Hare can help you access these locations easily.

Prefer to fly direct from Atlanta to Chicago O'Hare Airport?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl.
Find which airlines fly direct from Atlanta Hartsfield-Jackson Airport to Chicago O'Hare Intl Airport, which days they fly and book direct flights.

Direct departures

Atlanta Hartsfield-Jackson to Chicago O'Hare Intl

Monday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Tuesday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Wednesday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Thursday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Friday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Saturday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Sunday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

See more direct flights

Direct returns

Chicago O'Hare Intl to Atlanta Hartsfield-Jackson

Monday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Tuesday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Wednesday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Thursday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Friday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Saturday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

Sunday

American Airlines,Delta,Frontier, +1 more

American Airlines,Delta, +2 more

See more direct flights

Everything you need to know for your flight from Atlanta to O'Hare Intl

Information on your arrival and departure airports