Cheap Flights To Illinois

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Illinois Flights as Low as $68

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
Thu, Dec 4 - Mon, Dec 15
DEN
Denver Intl.
ORD
O'Hare Intl.
$68 Roundtrip, found 21 hours ago
$68
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Denver Intl. to O'Hare Intl., returning Mon, Dec 15, priced at $68 found 21 hours ago
Frontier Airlines
Sat, Dec 6 - Sat, Dec 20
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$81 Roundtrip, found 23 hours ago
$81
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Dec 20, priced at $81 found 23 hours ago
Frontier Airlines
Thu, Jan 15 - Sun, Jan 25
DEN
Denver Intl.
ORD
O'Hare Intl.
$83 Roundtrip, found 23 hours ago
$83
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Denver Intl. to O'Hare Intl., returning Sun, Jan 25, priced at $83 found 23 hours ago
Frontier Airlines
Sat, Dec 6 - Mon, Dec 22
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$86 Roundtrip, found 23 hours ago
$86
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sat, Dec 6 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Dec 22, priced at $86 found 23 hours ago
Delta
Wed, Dec 3 - Tue, Dec 9
DEN
Denver Intl.
ORD
O'Hare Intl.
$197 Roundtrip, found 21 hours ago
$197
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Dec 3 from Denver Intl. to O'Hare Intl., returning Tue, Dec 9, priced at $197 found 21 hours ago
United
Sun, Jan 11 - Tue, Jan 20
DEN
Denver Intl.
ORD
O'Hare Intl.
$214 Roundtrip, found 2 days ago
$214
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 11 from Denver Intl. to O'Hare Intl., returning Tue, Jan 20, priced at $214 found 2 days ago
American Airlines
Tue, Dec 30 - Tue, Jan 6
DEN
Denver Intl.
ORD
O'Hare Intl.
$215 Roundtrip, found 2 days ago
$215
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 30 from Denver Intl. to O'Hare Intl., returning Tue, Jan 6, priced at $215 found 2 days ago
Alaska Airlines
Thu, Feb 12 - Tue, Feb 24
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$312 Roundtrip, found 23 hours ago
$312
Roundtrip
found 23 hours ago
Select Alaska Airlines flight, departing Thu, Feb 12 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Feb 24, priced at $312 found 23 hours 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.