Cheap flights Atlanta (ATL) → Chicago (ORD)


Cheapest round-trip ATL → ORD

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21 May 202628 May 2026DirectUnited AirlinesTickets from 147

One-way ATL → ORD (next month)

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29 May 2026DirectOW tickets from 32
24 May 2026DirectOW tickets from 94
25 May 2026DirectOW tickets from 94
26 May 2026DirectOW tickets from 94
27 May 2026DirectOW tickets from 94
28 May 2026DirectOW tickets from 94
22 May 2026DirectOW tickets from 96
23 May 2026DirectOW tickets from 155
21 May 2026DirectOW tickets from 194
20 May 2026DirectOW tickets from 291
28 June 2026DirectOW tickets from 98
27 June 2026DirectOW tickets from 110

Direct flights ATL → ORD

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21 May 202628 May 2026United AirlinesTickets from 147
18 June 202621 June 2026Frontier AirlinesTickets from 221