Flights from Atlanta to Northern Illinois

Cheapest flights from Atlanta

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 21 - Sat, Jul 26

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$84 Roundtrip, found 6 days ago

$84

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sat, Jul 26, priced at $84 found 6 days ago

Thu, Sep 25 - Sun, Sep 28

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$88 Roundtrip, found 3 days ago

$88

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sun, Sep 28, priced at $88 found 3 days ago

Sat, Aug 9 - Wed, Aug 13

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$90 Roundtrip, found 6 days ago

$90

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Sat, Aug 9 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Aug 13, priced at $90 found 6 days ago

Mon, Jul 21 - Sat, Jul 26

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$94 Roundtrip, found 6 days ago

$94

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sat, Jul 26, priced at $94 found 6 days ago

Fri, Jul 18 - Wed, Jul 23

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$98 Roundtrip, found 1 day ago

$98

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Jul 23, priced at $98 found 1 day ago

Tue, Jul 15 - Wed, Jul 23

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$105 Roundtrip, found 1 day ago

$105

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 15 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Jul 23, priced at $105 found 1 day ago

Fri, Jul 18 - Sat, Jul 19

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$106 Roundtrip, found 1 day ago

$106

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sat, Jul 19, priced at $106 found 1 day ago

Tue, Jul 15 - Fri, Jul 18

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$113 Roundtrip, found 1 day ago

$113

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jul 15 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Fri, Jul 18, priced at $113 found 1 day ago

Mon, Jul 14 - Wed, Jul 23

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$115 Roundtrip, found 1 day ago

$115

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Wed, Jul 23, priced at $115 found 1 day ago

Wed, Jul 23 - Sun, Jul 27

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$118 Roundtrip, found 6 days ago

$118

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sun, Jul 27, priced at $118 found 6 days ago

Mon, Jul 21 - Sat, Jul 26

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$120 Roundtrip, found 6 days ago

$120

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Jul 21 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sat, Jul 26, priced at $120 found 6 days ago

Mon, Jul 21 - Sat, Jul 26

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$123 Roundtrip, found 6 days ago

$123

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sat, Jul 26, priced at $123 found 6 days ago

Mon, Jul 14 - Fri, Jul 18

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$123 Roundtrip, found 1 day ago

$123

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 14 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Fri, Jul 18, priced at $123 found 1 day ago

Thu, Sep 25 - Sun, Sep 28

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$124 Roundtrip, found 3 days ago

$124

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sun, Sep 28, priced at $124 found 3 days ago

Fri, Jul 18 - Mon, Jul 21

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$129 Roundtrip, found 1 day ago

$129

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Mon, Jul 21, priced at $129 found 1 day ago

Thu, Sep 25 - Sun, Sep 28

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$130 Roundtrip, found 3 days ago

$130

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Sep 25 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sun, Sep 28, priced at $130 found 3 days ago

Sat, Sep 27 - Sat, Sep 27

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$132 Roundtrip, found 3 days ago

$132

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, Sep 27 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sat, Sep 27, priced at $132 found 3 days ago

Thu, Sep 25 - Sun, Sep 28

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$184 Roundtrip, found 3 days ago

$184

Roundtrip

found 3 days ago

Select United flight, departing Thu, Sep 25 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sun, Sep 28, priced at $184 found 3 days ago

Thu, Sep 25 - Sun, Sep 28

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$186 Roundtrip, found 3 days ago

$186

Roundtrip

found 3 days ago

Select American Airlines flight, departing Thu, Sep 25 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sun, Sep 28, priced at $186 found 3 days ago

Tue, Jul 8 - Fri, Jul 11

ATL

Hartsfield-Jackson Atlanta Intl.

ORD

O'Hare Intl.

$706 Roundtrip, found 3 days ago

$706

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Tue, Jul 8 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Fri, Jul 11, priced at $706 found 3 days ago