Cheap Flights To Illinois

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Illinois Flights as Low as $126

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.

Frontier Airlines
Tue, Sep 15 - Sat, Sep 19
DEN
Denver Intl.
ORD
O'Hare Intl.
$126 Roundtrip, found 20 hours ago
$126
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Tue, Sep 15 from Denver Intl. to O'Hare Intl., returning Sat, Sep 19, priced at $126 found 20 hours ago
Frontier Airlines
Thu, Sep 10 - Tue, Sep 15
DEN
Denver Intl.
ORD
O'Hare Intl.
$130 Roundtrip, found 17 hours ago
$130
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Thu, Sep 10 from Denver Intl. to O'Hare Intl., returning Tue, Sep 15, priced at $130 found 17 hours ago
Frontier Airlines
Sun, Sep 6 - Wed, Sep 9
DEN
Denver Intl.
ORD
O'Hare Intl.
$131 Roundtrip, found 23 hours ago
$131
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sun, Sep 6 from Denver Intl. to O'Hare Intl., returning Wed, Sep 9, priced at $131 found 23 hours ago
Frontier Airlines
Mon, Sep 14 - Sat, Sep 26
DEN
Denver Intl.
ORD
O'Hare Intl.
$134 Roundtrip, found 1 day ago
$134
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Sep 14 from Denver Intl. to O'Hare Intl., returning Sat, Sep 26, priced at $134 found 1 day ago
American Airlines
Tue, Aug 18 - Thu, Aug 27
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Aug 18 from Denver Intl. to Lambert-St. Louis Intl., returning Thu, Aug 27, priced at $158 found 1 day ago
Southwest Airlines
Tue, Aug 18 - Thu, Aug 27
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Aug 18 from Denver Intl. to Lambert-St. Louis Intl., returning Thu, Aug 27, priced at $187 found 1 day ago
United
Wed, Aug 19 - Tue, Aug 25
DEN
Denver Intl.
ORD
O'Hare Intl.
$205 Roundtrip, found 2 days ago
$205
Roundtrip
found 2 days ago
Select United flight, departing Wed, Aug 19 from Denver Intl. to O'Hare Intl., returning Tue, Aug 25, priced at $205 found 2 days ago
Delta
Wed, Aug 19 - Tue, Aug 25
DEN
Denver Intl.
ORD
O'Hare Intl.
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Aug 19 from Denver Intl. to O'Hare Intl., returning Tue, Aug 25, priced at $225 found 2 days ago

Illinois Flights

For seniors in search of the best deals on airfares, AARP Travel Center Powered by Expedia features low-cost flights in Illinois. Right here you may enter your expected travel dates to browse through the selection of cheap flights for seniors in Illinois. The search engine presents a variety of low-cost plane tickets, airline carriers, and travel times to ensure the Illinois AARP Travel Center flights suit your travel needs and preferences. And on top of affordable airline tickets, AARP members also enjoy no additional booking fees when you book your Illinois senior flights on AARP Travel Center Powered by Expedia. These senior flights to or from Illinois allow you to jet set without breaking the bank.