Cheap flights Atlanta (ATL) → Chicago (ORD)


Cheapest round-trip ATL → ORD

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6 November 20269 November 2026DirectFrontier AirlinesTickets from 104

One-way ATL → ORD (next month)

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27 October 2026DirectOW tickets from 38
29 October 2026DirectOW tickets from 39
28 October 2026DirectOW tickets from 39
26 October 2026DirectOW tickets from 96
17 October 2026DirectOW tickets from 100
16 October 20261 StopOW tickets from 120
14 October 2026DirectOW tickets from 126
15 October 2026DirectOW tickets from 126
13 October 2026DirectOW tickets from 132
18 October 20261 StopOW tickets from 146
25 October 20261 StopOW tickets from 154
20 October 2026DirectOW tickets from 155
21 October 2026DirectOW tickets from 155
22 October 2026DirectOW tickets from 155
23 October 2026DirectOW tickets from 155
24 October 2026DirectOW tickets from 155
19 October 20261 StopOW tickets from 155
12 October 2026DirectOW tickets from 170

Direct flights ATL → ORD

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22 October 202625 October 2026Frontier AirlinesTickets from 177
6 November 20269 November 2026Frontier AirlinesTickets from 104