Flights from Atlanta, GA to Chicago, IL
Compare prices from 900+ airlines and find the best deals on flights from ATL to ORD.
Atlanta, GA to Chicago, IL
Round-trip flights from ATL to ORD typically cost $240-$312 USD. Prices vary by season, demand, and how far in advance you book. The lowest fares are usually found 6-8 weeks before departure for domestic routes.
Non-stop flights from ATL to ORD take approximately 4h 44m. Actual flight times vary based on weather, air traffic, and aircraft type. Consider arriving at the airport 2 hours before domestic departures.
Airlines operating ATL to ORD include American Airlines, United Airlines, Delta Air Lines. Each airline offers different fare classes, baggage policies, and loyalty programs. Compare options to find the best value for your travel needs.
The cheapest day to fly ATL to ORD is typically Tuesday. Mid-week flights are 10-20% cheaper than weekend departures. For best prices, book 6-8 weeks before your trip. Avoid booking less than 2 weeks out when fares spike.
Fares range from $240 to $468 depending on dates, class, and airline.
Prices based on 2,000 searches. Updated hourly.
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About Flights from Atlanta, GA to Chicago, IL
Looking for cheap flights from Atlanta, GA (ATL) to Chicago, IL (ORD)? You've come to the right place. Fly2Any compares prices from over 900 airlines to help you find the best deals on this popular route.
Flight Information
Flights from ATL to ORD typically take around 4h 44m. The flight covers a distance of 2475 miles. Multiple airlines operate this route, including American Airlines, United Airlines, Delta Air Lines.
Best Time to Book
For the best prices on ATL to ORD flights, we recommend booking 2-3 months in advance. Prices tend to be lowest for mid-week departures (Tuesday and Wednesday). Use our Price Calendar feature to compare prices across different dates and find the cheapest options.
Price data last updated: April 2026
Airlines on This Route
Several major airlines serve the Atlanta, GA to Chicago, IL route, including:
- American Airlines (AA)
- United Airlines (UA)
- Delta Air Lines (DL)
Frequently Asked Questions - ATL to ORD Flights
How long is the flight from Atlanta, GA to Chicago, IL?
Direct flights from Atlanta, GA (ATL) to Chicago, IL (ORD) take approximately 4h 44m. Connecting flights may add 2-4 hours depending on layover location. For the fastest journey, look for nonstop flights which are typically available on this popular route.
When is the best time to book ATL to ORD flights?
For the best prices on ATL to ORD flights, book 6-8 weeks in advance for domestic routes or 2-4 months ahead for international travel. Domestic flights are typically 20-40% cheaper in off-peak months. Peak season months (July, August) have higher prices, while January and February typically offer the best deals.
What are the cheapest days to fly from Atlanta, GA to Chicago, IL?
Tuesday and Wednesday departures are typically 15-25% cheaper than weekend flights on the ATL to ORD route. Saturday is usually the most expensive day to fly. For additional savings, consider red-eye flights or early morning departures, which often have lower fares and less crowded airports.
Which airlines fly from ATL to ORD?
Major carriers on this route include Delta, Southwest, and other domestic and international airlines. Atlanta is the world busiest airport. Delta operates most flights here with excellent domestic connections.
What should I know about flying from Atlanta, GA airport?
Atlanta is the world busiest airport. Delta operates most flights here with excellent domestic connections. Book flights that depart mid-morning or early afternoon for the smoothest experience - these times typically have shorter security lines and fewer delays.
What is the cheapest month to fly from Atlanta, GA to Chicago, IL?
The cheapest months to fly from ATL to ORD are typically January, February, September. Domestic flights are typically 20-40% cheaper in off-peak months. Avoid peak travel periods like July and August when prices can be 30-50% higher. Use Fly2Any's price alerts to get notified when fares drop.
What is the baggage allowance for ATL to ORD flights?
Baggage allowances vary by airline and fare class. Most full-service carriers include one checked bag (up to 50 lbs) on this route. Budget carriers may charge $25-$60 for checked bags. All airlines allow one personal item free. Compare total costs including baggage fees when booking to get the best deal.
Are there direct flights from Atlanta, GA to Chicago, IL?
Yes, several airlines offer nonstop flights from ATL to ORD. Direct flights take approximately 4h 44m. If you're flexible with your schedule, connecting flights through major hubs like DFW or DEN may offer lower prices.
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