Cheap Flights to Illinois from $24 (2025/2026)

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Chicago which includes a city and a high rise building as well as a family

Chicago

Flights
Chicago

How Much Does it Cost To Fly To Illinois?

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Fri, Feb 13 - Fri, Feb 13
MCO
Orlando Intl.
MDW
Midway Intl.
$43 Roundtrip, found 6 days ago
$43
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Feb 13 from Orlando Intl. to Midway Intl., returning Fri, Feb 13, priced at $43 found 6 days ago
Sun, Dec 14 - Sun, Dec 14
ATL
Hartsfield-Jackson Atlanta Intl.
STL
Lambert-St. Louis Intl.
$55 Roundtrip, found 6 days ago
$55
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Dec 14 from Hartsfield-Jackson Atlanta Intl. to Lambert-St. Louis Intl., returning Sun, Dec 14, priced at $55 found 6 days ago
Sat, Feb 14 - Mon, Feb 23
ATL
Hartsfield-Jackson Atlanta Intl.
MDW
Midway Intl.
$58 Roundtrip, found 4 days ago
$58
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Feb 14 from Hartsfield-Jackson Atlanta Intl. to Midway Intl., returning Mon, Feb 23, priced at $58 found 4 days ago
Sun, Feb 8 - Sun, Feb 8
ATL
Hartsfield-Jackson Atlanta Intl.
ORD
O'Hare Intl.
$63 Roundtrip, found 14 hours ago
$63
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Sun, Feb 8 from Hartsfield-Jackson Atlanta Intl. to O'Hare Intl., returning Sun, Feb 8, priced at $63 found 14 hours ago
Sat, Jan 10 - Sat, Jan 10
MCO
Orlando Intl.
ORD
O'Hare Intl.
$63 Roundtrip, found 4 days ago
$63
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Sat, Jan 10 from Orlando Intl. to O'Hare Intl., returning Sat, Jan 10, priced at $63 found 4 days ago
Mon, Jan 12 - Sun, Jan 18
MCO
Orlando Intl.
STL
Lambert-St. Louis Intl.
$67 Roundtrip, found 5 days ago
$67
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Jan 12 from Orlando Intl. to Lambert-St. Louis Intl., returning Sun, Jan 18, priced at $67 found 5 days ago
Fri, Jan 23 - Fri, Jan 30
MCO
Orlando Intl.
EVV
Evansville Regional
$102 Roundtrip, found 1 day ago
$102
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Fri, Jan 23 from Orlando Intl. to Evansville Regional, returning Fri, Jan 30, priced at $102 found 1 day ago
Thu, Dec 4 - Wed, Dec 10
OMA
Eppley Field
STL
Lambert-St. Louis Intl.
$121 Roundtrip, found 6 days ago
$121
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Eppley Field to Lambert-St. Louis Intl., returning Wed, Dec 10, priced at $121 found 6 days ago
Sat, Dec 6 - Wed, Dec 10
MCO
Orlando Intl.
SPI
Abraham Lincoln Capital
$123 Roundtrip, found 2 days ago
$123
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Sat, Dec 6 from Orlando Intl. to Abraham Lincoln Capital, returning Wed, Dec 10, priced at $123 found 2 days ago
Tue, Feb 3 - Tue, Feb 10
MCO
Orlando Intl.
RFD
Greater Rockford
$139 Roundtrip, found 11 hours ago
$139
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Tue, Feb 3 from Orlando Intl. to Greater Rockford, returning Tue, Feb 10, priced at $139 found 11 hours ago
Thu, Jan 8 - Mon, Jan 12
OMA
Eppley Field
ORD
O'Hare Intl.
$141 Roundtrip, found 6 days ago
$141
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Eppley Field to O'Hare Intl., returning Mon, Jan 12, priced at $141 found 6 days ago
OriginDestinationTravel DatesFlights From*
LAXRockfordFebruary 14 to February 17$159
ATLPeoriaDecember 17 to December 21$249
EWRPeoriaDecember 11 to December 14$249
LAXMolineJanuary 1 to January 7$295
EWRSpringfieldMarch 4 to March 9$327
LAXSpringfieldJanuary 6 to January 20$331
LAXEvansvilleJanuary 14 to January 31$380
ATLSavoyJanuary 5 to January 16$396
ATLMolineDecember 20 to December 22$399
ATLBloomingtonDecember 19 to December 31$399
EWRBloomingtonDecember 11 to December 14$408
LAXPeoriaDecember 8 to December 17$414
PVGSt. LouisDecember 16 to January 23$1,017
PVGSavoyDecember 20 to January 5$1,071
PVGChicagoJanuary 15 to March 16$1,213
*Prices include taxes and fees
OriginDestinationTravel DatesFlights From*
ATLChicagoNovember 28 to December 6$186
ATLSt. LouisNovember 29 to November 30$329
LAXChicagoNovember 28 to December 4$343
LAXChicagoNovember 30 to December 7$348
LAXPeoriaNovember 28 to December 6$405
LGASavoyNovember 28 to December 16$453
ATLEvansvilleNovember 29 to December 7$459
LAXSt. LouisNovember 28 to December 6$487
LAXBloomingtonNovember 29 to December 3$547
ATLBloomingtonNovember 29 to December 7$597
ATLSavoyNovember 30 to December 13$617
LAXMolineNovember 28 to November 28$621
PVGChicagoNovember 28 to December 5$1,221
PEKChicagoNovember 28 to December 28$1,443
PVGSt. LouisNovember 28 to December 12$2,107
*Prices include taxes and fees

Best Illinois Flight and Hotel Packages

Price found within the past 48 hours. Click for updated prices.
Hilton Grand Vacations Club Chicago Magnificent Mile
3.5-star property

Hilton Grand Vacations Club Chicago Magnificent Mile

Feb 20 - Feb 22

2 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $310, price is now $153 per person
$153
per person
found 1 day ago
The Westin Michigan Avenue Chicago
4.5-star property

The Westin Michigan Avenue Chicago

Dec 5 - Dec 8

3 night stay

Atlanta (ATL) to Chicago (ORD)

Frontier Airlines • Roundtrip • Coach
Price was $911, price is now $412 per person
$412
per person
found 1 day ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Jan 16 - Jan 19

3 night stay

Atlanta (ATL) to St. Louis (STL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $484, price is now $243 per person
$243
per person
found 1 day ago
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