Cheap flights Atlanta (ATL) → Chicago (ORD)


Cheapest round-trip ATL → ORD

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5 September 20266 September 2026DirectFrontier AirlinesTickets from 111

One-way ATL → ORD (next month)

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29 August 2026DirectOW tickets from 96
30 August 2026DirectOW tickets from 126
31 August 2026DirectOW tickets from 157
28 August 2026DirectOW tickets from 162
10 September 2026DirectOW tickets from 59
11 September 2026DirectOW tickets from 91
8 September 2026DirectOW tickets from 108
9 September 2026DirectOW tickets from 108
2 September 2026DirectOW tickets from 110
3 September 2026DirectOW tickets from 133
4 September 2026DirectOW tickets from 133
5 September 2026DirectOW tickets from 133
6 September 2026DirectOW tickets from 133
7 September 20261 StopOW tickets from 156

Direct flights ATL → ORD

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28 August 202629 August 2026United AirlinesTickets from 396
5 September 20266 September 2026Frontier AirlinesTickets from 111
21 October 202623 October 2026Frontier AirlinesTickets from 174
9 November 202610 November 2026Frontier AirlinesTickets from 165