ATL - ORD

C$ 113 Find Cheap Flights from Atlanta to Chicago – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 274
Typical prices: C$ 191-C$ 417
United Airlines
Sat 13/10Sat 20/10
ATL - ORD • Direct
Cheapest direct flights
C$ 274
Typical prices: C$ 190-C$ 419
Delta
Sat 13/10Sat 20/10
ATL - ORD • Direct
Advice from real travellers
Frontier Economy Bundle adds a carry-on and seat choice over Basic Fare.
United Economy Plus adds legroom; Priority Boarding helps secure bin space.
Expert advice
+1
Expert advice
+1
Direct flights
You can fly direct with Delta, American Airlines, and others. Average duration is 2h 20m.
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 92% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 5 weeks in advance save around 39% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 26% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 279 (round-trip)
Shortest trip • 3h 35m (one-way)
Insights
Insights
Start a new search
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We hope you enjoy your trip to Chicago O'Hare Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Atlanta to Chicago (ATL-ORD)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Atlanta to Chicago

Tue, 13 Oct - Tue, 20 Oct
Delta Logo
7:20 p.m. - 8:38 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
2h 18mdirect
Delta Logo
8:05 a.m. - 11:02 a.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
1h 57mdirect
C$ 274Delta
Wed, 10 Feb - Wed, 17 Feb
Delta Logo
1:15 p.m. - 4:37 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
4h 22m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:30 a.m. - 8:37 a.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 07mdirect
C$ 289Delta
Sat, 17 Oct - Mon, 19 Oct
Delta Logo
7:20 p.m. - 8:38 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
2h 18mdirect
Delta Logo
6:30 a.m. - 9:33 a.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 03mdirect
C$ 293Delta
Wed, 11 Nov - Wed, 18 Nov
Delta Logo
9:30 a.m. - 1:59 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
5h 29m1 stop Detroit Metropolitan Wayne County
Delta Logo
8:29 a.m. - 4:50 p.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
7h 21m1 stop Detroit Metropolitan Wayne County
C$ 304Delta
Wed, 10 Feb - Thu, 18 Feb
Delta Logo
1:15 p.m. - 4:37 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
4h 22m1 stop Detroit Metropolitan Wayne County
Delta Logo
3:00 p.m. - 6:07 p.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 07mdirect
C$ 310Delta
Thu, 17 Dec - Thu, 17 Dec
Delta Logo
7:30 a.m. - 8:46 a.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
2h 16mdirect
Delta Logo
1:30 p.m. - 4:31 p.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 01mdirect
C$ 315Delta
Fri, 16 Oct - Wed, 21 Oct
Delta Logo
10:50 p.m. - 11:57 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
2h 07mdirect
Delta Logo
5:27 a.m. - 8:29 a.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 02mdirect
C$ 318Delta
Sat, 13 Feb - Wed, 17 Feb
Delta Logo
9:25 a.m. - 12:37 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
4h 12m1 stop Detroit Metropolitan Wayne County
Delta Logo
3:00 p.m. - 6:07 p.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 07mdirect
C$ 322Delta
Sat, 13 Feb - Fri, 19 Feb
Delta Logo
3:30 p.m. - 4:37 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
2h 07mdirect
Delta Logo
1:35 p.m. - 8:12 p.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
5h 37m1 stop Detroit Metropolitan Wayne County
C$ 328Delta
Wed, 10 Feb - Fri, 19 Feb
Delta Logo
1:15 p.m. - 4:37 p.m.ATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
4h 22m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:30 a.m. - 12:32 p.m.ORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 02mdirect
C$ 329Delta
Booking Insights

Price, demand, and travel trends for Atlanta to Chicago O'Hare Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Atlanta to Chicago O'Hare Intl Airport with more confidence.

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

Round-trip flights from Atlanta to Chicago O'Hare Intl Airport start at C$ 274. Prices are typical for this route right now, with typical round-trip fares ranging from C$ 191 to C$ 417. The lowest price found in the past 5 days was C$ 274 on United Airlines.

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

Wednesday is the cheapest day of the week to fly from Atlanta to Chicago O'Hare Intl Airport and is 8% cheaper than the average day. Monday is the most expensive day with flight prices 16% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Atlanta to Chicago O'Hare Intl Airport at C$ 215 round-trip.
  • July (C$ 378) and June (C$ 375) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 75% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Atlanta to Chicago O'Hare Intl Airport the cheapest?

Flights from Atlanta to Chicago O'Hare Intl Airport are cheapest 5 weeks before departure. Booking in this window typically costs about 39% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Atlanta to Chicago

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Air Canada, Frontier, 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.

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.

Key details for Atlanta to Chicago O'Hare Intl Airport flights

Low season

February

Cheapest flight

C$ 113
Best time to beat the crowds (26% less expensive on average)
Most popular time to fly and prices are also 10% lower on average.
Flights from Atlanta to Chicago O'Hare Intl Airport

When to book flights from Atlanta to Chicago

Are your dates flexible? Find out the best times to travel from Atlanta to Chicago based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Atlanta to Chicago: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Atlanta to Chicago 
Dr. JosephFlew with United Airlines-Apr 2026
Always keep track of the weather at both locations and where the inbound flight is coming from.
Verified travelerFlew with United Airlines-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.

Your Atlanta to Chicago O'Hare Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines offer extra legroom and free seat selection on Atlanta to Chicago O'Hare Intl Airport flights?

    Among airlines operating Atlanta to Chicago O'Hare Intl Airport flights:

    • Frontier: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines are available on the route from Atlanta to Chicago O'Hare Intl Airport?

    4 airlines operate flights between Atlanta and Chicago O'Hare Intl Airport. The airlines offering direct flights on this route include:

    • Delta
    • American Airlines
    • United Airlines
    • Frontier

  • Which airports can I use when flying from Atlanta to Chicago O'Hare Intl Airport?

    Flights from Atlanta to Chicago O'Hare Intl Airport usually depart from Atlanta Hartsfield-Jackson (ATL) and arrive at Chicago O'Hare Intl (ORD).

  • Which airlines include bags at no extra cost on Atlanta to Chicago O'Hare Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a carry-on bag and a checked bag in Economy Class
    • United Airlines: a carry-on bag and a checked bag in Economy Class
    • American Airlines: a carry-on bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

  • Which cabin classes can I book on flights from Atlanta to Chicago O'Hare Intl Airport?

    Only Economy Class is available on flights from Atlanta to Chicago O'Hare Intl Airport.

  • How much can I save by taking a layover when flying from Atlanta to Chicago O'Hare Intl Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 279 round-trip via Fort Lauderdale (FLL), compared to C$ 292 for direct.

  • What is the standard checked bag allowance on flights from Atlanta to Chicago O'Hare Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 38–C$ 139 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Atlanta to Chicago O'Hare Intl Airport?

    The Airbus A319 family is used most often on this route, operated mainly by American Airlines and United Airlines. Other aircraft seen on the route include Boeing 737-900 variants.

  • Which airports do connecting flights from Atlanta to Chicago O'Hare Intl Airport pass through?

    One-stop flights from Atlanta to Chicago O'Hare Intl Airport most commonly connect through:

    • Fort Lauderdale (FLL) – 50% of one-stop connections
    • Orlando (MCO) – 33% of one-stop connections
    • Jackson Mckellar Field (MKL) – 8% of one-stop connections
    • Tampa (TPA) – 8% of one-stop connections

    Fort Lauderdale (FLL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Atlanta to Chicago O'Hare Intl Airport?

    Yes. Being flexible with your travel dates can save you up to 21% on the Atlanta to Chicago O'Hare Intl Airport route. Wednesday is the cheapest departure day at C$ 270 round-trip on average, while Monday is the most expensive at C$ 339, a difference of C$ 69. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from Atlanta to Chicago O'Hare Intl Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Atlanta to Chicago O'Hare Intl Airport route, 12% of flights were delayed in the past 3 months, with delays averaging 2 hours 15 minutes.

  • How are flight departures from Atlanta to Chicago O'Hare Intl Airport spread across the day?

    Morning is the busiest departure period on Atlanta to Chicago O'Hare Intl Airport flights, with 34% leaving in that window. Afternoon departures account for 34%, Evening flights for 28%, and Night flights for 4%.

  • Which popular places can I visit in Chicago O'Hare Intl Airport?

    Some of the most popular sights in Chicago O'Hare Intl Airport are Magnificent Mile, River North, and Grant Park. These are among the most viewed places in Chicago O'Hare Intl Airport on KAYAK.

  • What are the earliest and latest flights from Atlanta to Chicago O'Hare Intl Airport?

    These are the earliest and latest flight times available from Atlanta to Chicago O'Hare Intl Airport:

    • Earliest: departs at 5:45 am and lands at 8:05 am
    • Latest: departs at 10:50 pm and lands at 1:10 am.

    The flight takes about 2h 20m.

  • How expensive are last-minute Atlanta to Chicago O'Hare Intl Airport flights?

    Last-minute fares on this route – booked within 2 weeks of departure – run 26% above the route average of C$ 292. Book 5 weeks before departure for the lowest fares.

  • How long does a flight from Atlanta to Chicago O'Hare Intl Airport take?

    A direct flight from Atlanta to Chicago O'Hare Intl Airport takes 2h 20m, covering 1,570 km.

  • Do I need a passport to fly from Atlanta to Chicago O'Hare Intl Airport?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Atlanta to Chicago O'Hare Intl Airport looking right now?

    One-way fares from Atlanta to Chicago O'Hare Intl Airport are currently lower than usual. Average one-way flight prices are about C$ 132, which is 43% below the typical average for this route.

  • How does United Airlines's on-time performance compare to other airlines on Atlanta to Chicago O'Hare Intl Airport flights?

    United Airlines is slightly above the route average for timely arrivals, while American Airlines has a lower on-time arrival rate. On-time arrival rates on Atlanta to Chicago O'Hare Intl Airport flights are:

    • United Airlines: 92% on time
    • American Airlines: 88% on time
    • Spirit Airlines: 88% on time

    On average, flights on this route are punctual 88% of the time.

  • How do delay rates compare for morning and evening flights from Atlanta to Chicago O'Hare Intl Airport?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport when travelling from Atlanta to Chicago O'Hare Intl Airport?

    Flying via Jackson Mckellar Field (MKL) gives the shortest average 1-stop total travel time at 3h 35m, compared with 6h 56m via Fort Lauderdale (FLL) and 7h 13m via Orlando (MCO).

  • What is the time difference between Atlanta and Chicago O'Hare Intl Airport?

    Chicago O'Hare Intl Airport is 1 hour behind Atlanta (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Chicago O'Hare Intl Airport (ORD)?

    Chicago O'Hare Intl Airport (ORD) hosts 5 major car rental companies, with daily rates starting from around C$ 24 for economy cars. Top options include:
    • Routes Car & Truck Rentals
    • Europcar
    • Hertz
    • Dollar
    • Ace

  • How much should I expect to pay for a Atlanta to Chicago O'Hare Intl Airport flight?

    Round-trip flights from Atlanta to Chicago O'Hare Intl Airport range from C$ 191 to C$ 417, with an average of C$ 292 over the past 12 months. Anything below C$ 191 counts as a good deal.

  • Which airlines offer Wi-Fi on Atlanta to Chicago O'Hare Intl Airport flights?

    Three airlines offer in-flight Wi-Fi on Atlanta to Chicago O'Hare Intl Airport flights:

    • • American Airlines
    • • Delta
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Atlanta to Chicago O'Hare Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average C$ 270 – about C$ 69 less than Monday (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 39% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Atlanta to Chicago O'Hare Intl Airport trip for February. Fares historically average C$ 215 round-trip in that month – typically C$ 163 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 92% of United Airlines flights from Atlanta to Chicago O'Hare Intl Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 88%. When flights on this route do arrive late, the average delay is 2 hours15 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages C$ 279 round-trip on this route – about C$ 13 less than direct flights (based on the last 12 months).

Prefer to fly direct from Atlanta to Chicago?

 
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 nonstop 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 nonstop flights

More options for your flight from Atlanta to Chicago

Complete your trip to Chicago with a hotel stay or car rental