Flights from Chicago to Hudson

Cheapest flights from Chicago

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.

Tue, Jun 17 - Sat, Jun 21

ORD

O'Hare Intl.

DEN

Denver Intl.

$111 Roundtrip, found 12 hours ago

$111

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Tue, Jun 17 from O'Hare Intl. to Denver Intl., returning Sat, Jun 21, priced at $111 found 12 hours ago

Sat, Jun 21 - Sat, Jun 21

ORD

O'Hare Intl.

DEN

Denver Intl.

$116 Roundtrip, found 12 hours ago

$116

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sat, Jun 21 from O'Hare Intl. to Denver Intl., returning Sat, Jun 21, priced at $116 found 12 hours ago

Sun, May 25 - Sat, May 31

ORD

O'Hare Intl.

DEN

Denver Intl.

$118 Roundtrip, found 1 day ago

$118

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 25 from O'Hare Intl. to Denver Intl., returning Sat, May 31, priced at $118 found 1 day ago

Tue, May 27 - Sat, May 31

ORD

O'Hare Intl.

DEN

Denver Intl.

$122 Roundtrip, found 1 day ago

$122

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 27 from O'Hare Intl. to Denver Intl., returning Sat, May 31, priced at $122 found 1 day ago

Sun, May 25 - Thu, Jun 5

ORD

O'Hare Intl.

DEN

Denver Intl.

$123 Roundtrip, found 1 day ago

$123

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 25 from O'Hare Intl. to Denver Intl., returning Thu, Jun 5, priced at $123 found 1 day ago

Tue, Jun 17 - Fri, Jun 20

ORD

O'Hare Intl.

DEN

Denver Intl.

$127 Roundtrip, found 12 hours ago

$127

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Tue, Jun 17 from O'Hare Intl. to Denver Intl., returning Fri, Jun 20, priced at $127 found 12 hours ago

Mon, Jul 7 - Mon, Jul 14

MDW

Midway Intl.

DEN

Denver Intl.

$128 Roundtrip, found 3 days ago

$128

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jul 7 from Midway Intl. to Denver Intl., returning Mon, Jul 14, priced at $128 found 3 days ago

Tue, May 27 - Sun, Jun 1

ORD

O'Hare Intl.

DEN

Denver Intl.

$132 Roundtrip, found 1 day ago

$132

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 27 from O'Hare Intl. to Denver Intl., returning Sun, Jun 1, priced at $132 found 1 day ago

Mon, Jul 7 - Fri, Jul 11

MDW

Midway Intl.

DEN

Denver Intl.

$138 Roundtrip, found 3 days ago

$138

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jul 7 from Midway Intl. to Denver Intl., returning Fri, Jul 11, priced at $138 found 3 days ago

Wed, Aug 27 - Sun, Aug 31

ORD

O'Hare Intl.

DEN

Denver Intl.

$142 Roundtrip, found 4 days ago

$142

Roundtrip

found 4 days ago

Select United flight, departing Wed, Aug 27 from O'Hare Intl. to Denver Intl., returning Sun, Aug 31, priced at $142 found 4 days ago

Thu, Jun 19 - Fri, Jun 20

ORD

O'Hare Intl.

DEN

Denver Intl.

$143 Roundtrip, found 12 hours ago

$143

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Thu, Jun 19 from O'Hare Intl. to Denver Intl., returning Fri, Jun 20, priced at $143 found 12 hours ago

Mon, May 26 - Thu, Jun 5

ORD

O'Hare Intl.

DEN

Denver Intl.

$147 Roundtrip, found 1 day ago

$147

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 26 from O'Hare Intl. to Denver Intl., returning Thu, Jun 5, priced at $147 found 1 day ago

Fri, Jun 20 - Fri, Jun 20

ORD

O'Hare Intl.

DEN

Denver Intl.

$148 Roundtrip, found 12 hours ago

$148

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Fri, Jun 20 from O'Hare Intl. to Denver Intl., returning Fri, Jun 20, priced at $148 found 12 hours ago

Mon, May 26 - Sun, Jun 1

ORD

O'Hare Intl.

DEN

Denver Intl.

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 26 from O'Hare Intl. to Denver Intl., returning Sun, Jun 1, priced at $152 found 1 day ago

Wed, Aug 27 - Sun, Aug 31

ORD

O'Hare Intl.

DEN

Denver Intl.

$154 Roundtrip, found 4 days ago

$154

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Aug 27 from O'Hare Intl. to Denver Intl., returning Sun, Aug 31, priced at $154 found 4 days ago

Wed, Aug 27 - Sun, Aug 31

ORD

O'Hare Intl.

DEN

Denver Intl.

$156 Roundtrip, found 4 days ago

$156

Roundtrip

found 4 days ago

Select American Airlines flight, departing Wed, Aug 27 from O'Hare Intl. to Denver Intl., returning Sun, Aug 31, priced at $156 found 4 days ago

Sun, Jun 22 - Tue, Jun 24

ORD

O'Hare Intl.

DEN

Denver Intl.

$157 Roundtrip, found 12 hours ago

$157

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sun, Jun 22 from O'Hare Intl. to Denver Intl., returning Tue, Jun 24, priced at $157 found 12 hours ago

Sun, May 25 - Wed, Jun 4

ORD

O'Hare Intl.

DEN

Denver Intl.

$162 Roundtrip, found 1 day ago

$162

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 25 from O'Hare Intl. to Denver Intl., returning Wed, Jun 4, priced at $162 found 1 day ago

Wed, May 28 - Tue, Jun 3

ORD

O'Hare Intl.

DEN

Denver Intl.

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, May 28 from O'Hare Intl. to Denver Intl., returning Tue, Jun 3, priced at $217 found 1 day ago

Fri, Jun 20 - Mon, Jun 23

ORD

O'Hare Intl.

DEN

Denver Intl.

$325 Roundtrip, found 12 hours ago

$325

Roundtrip

found 12 hours ago

Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Fri, Jun 20 from O'Hare Intl. to Denver Intl., returning Mon, Jun 23, priced at $325 found 12 hours ago