Cheapest€82.15
- Delta Air Lines DA624006:141h 39m07:53Atlanta ATLChicago ORD
Door to door 4h 49mCO2 239.4 kgChanges 0Fixed, no changes
Atlanta to Chicago flight
Flights from Atlanta to Chicago start at €96.31 and take 4h 48m at their fastest.
The Flights from Atlanta to Chicago starts at €96.31 and takes 4h 48m door to door, run by 10 operators over 973 km, with around 80 departures a day. Fares bottom out about 45 days before departure.
- 4h 48mDoor to door
- 1h 38mMoving
- €96.31From
- 239.4 kgCO2
The cheapest and the fastest on 29 September 2026
Two journeys we can sell today, with the service number each operator files them under.
Fastest€104.57
- United Airlines UA362720:531h 38m22:31Atlanta ATLChicago MDW
Door to door 4h 48mCO2 239.4 kgChanges 0Fixed, no changes
Airlines
Speed, flexibility and what is on board. Nothing here is a rating, because we have not earned one.
| Operator | From |
|---|---|
 American Airlines | €83.92 |
 Delta Air Lines | €82.15 |
 Frontier Airlines | €85.10 |
 Asiana Airlines | €83.33 |
 Qatar Airways | €82.74 |
| United Airlines | €82.15 |
 Southwest Airlines | €84.51 |
 Republic Airways | €83.33 |
 Korean Air | €85.10 |
 Turkish Airlines | €86.28 |
Show all 10 operatorsShow fewer operators
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When to book Atlanta to Chicago
The same search run across the whole booking window, so the shape of the curve is visible rather than described.
- €96.3190 days
- €67.9960 days
- €66.8145 days
- €67.9930 days
- €96.3121 days
- €121.0914 days
- €149.417 days
- €144.103 days
- €194.841 days
- Cheapest lead time
- Fares bottom out around 45 days ahead, at €66.81.
- How much it moves
- The gap between the cheapest and dearest lead time is 192 percent. The dearest point is €194.84, 1 days out.
- What that means
- Today sits inside the cheap window, which closes about 45 days before departure. Waiting from here has usually cost money on this corridor rather than saved it.
Which departure day costs least
Median cheapest fare for each weekday, taken across the next three weeks of real prices.
- €114.60Sun
- €98.08Mon
- €96.31Tue
- €102.21Wed
- €127.58Thu
- €118.73Fri
- €121.09Sat
Where you leave from and where you arrive
The stations, airports and ports each mode on this corridor actually uses.
Atlanta
Air
- ATL
Chicago
Air
- ORD
- MDW
What the journey actually looks like
Direct or connecting, how far the route really runs, and what happens when a connection is missed.
- How far it really runs
- The route covers 973 km against 945 km in a straight line, a detour of 3 percent. Track and road geometry account for the difference.
- First and last departure
- The first service of the day leaves Atlanta at 06:03 and the last at 20:53, across 80 departures. The return direction keeps its own timetable, so the times back are not these times reversed.
Questions about Atlanta to Chicago
The questions people actually ask about this journey, answered from the same prices and times the page above is built on rather than written once and left to go stale.
How long does the Flight from Atlanta to Chicago take?
The Flight from Atlanta to Chicago takes 4h 48m door to door, of which 1h 38m is spent moving. The route runs 973 km. The difference between the two times is reaching the terminal and leaving it at the far end, which every time on this page includes.
How much does the Flight from Atlanta to Chicago cost?
The Flight from Atlanta to Chicago starts at €96.31 for one passenger, checked on 12 September 2026. A typical fare is €100.15. Both are the total including taxes, supplier fees and our service fee, so the price here is the price at checkout.
Who runs the Flight from Atlanta to Chicago?
10 operators run the Flight from Atlanta to Chicago: American Airlines, Delta Air Lines, Frontier Airlines, Asiana Airlines, Qatar Airways. Between them they file around 80 departures a day. The operator table on this page compares them on fare, journey time, cruising speed, fare conditions and what is provided on board.
Which terminal does the Flight from Atlanta to Chicago use?
The Flight from Atlanta to Chicago leaves from Atlanta ATL and arrives at Chicago MDW. Allow about 3h 10m for reaching the departure terminal and leaving the arrival one. That time is already inside every door to door figure quoted on this page.
When should I book the Flight from Atlanta to Chicago?
Fares for the Flight from Atlanta to Chicago bottom out around 45 days ahead, at €66.81. The gap between the cheapest and dearest lead time across the window is 192 percent, measured on 12 September 2026. Booking inside the final week has consistently cost more.
How much CO2 does the Flight from Atlanta to Chicago produce?
The Flight from Atlanta to Chicago produces about 239.4 kg of CO2 per passenger over 973 km, which works out at roughly 246 grams per passenger kilometre. That figure is for the whole journey and for one traveller, not for the vehicle.
Where these numbers come from
Observed service A carrier record shows this named operator serving this named pair, and we carry that through unchanged.
Schedules, seat counts and fares are generated by our own model until the supplier contracts are signed. Places, coordinates, operators, which operator serves which pair, and every distance are real. We would rather say that on every page than let a modelled number pass for a filed one.
Defined in full at Door to door, Fares, The booking window, Carbon
- On this page
- Every figure above was computed for Atlanta to Chicago on 12 September 2026: 973 km of route against 945 km in a straight line, 80 services a day, 10 operators, a cheapest fare of €96.31, and 4h 48m door to door on the fastest mode. The return direction is computed separately and its numbers are not these numbers.
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