Flights from Chicago to Eastern Plains

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.

Thu, Aug 14 - Mon, Aug 18

MDW

Midway Intl.

DEN

Denver Intl.

$108 Roundtrip, found 3 days ago

$108

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Midway Intl. to Denver Intl., returning Mon, Aug 18, priced at $108 found 3 days ago

Thu, Aug 14 - Mon, Aug 18

ORD

O'Hare Intl.

DEN

Denver Intl.

$108 Roundtrip, found 3 days ago

$108

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from O'Hare Intl. to Denver Intl., returning Mon, Aug 18, priced at $108 found 3 days ago

Thu, Jul 31 - Sat, Aug 2

ORD

O'Hare Intl.

DEN

Denver Intl.

$118 Roundtrip, found 6 days ago

$118

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Jul 31 from O'Hare Intl. to Denver Intl., returning Sat, Aug 2, priced at $118 found 6 days ago

Sat, Aug 30 - Sat, Sep 6

ORD

O'Hare Intl.

DEN

Denver Intl.

$123 Roundtrip, found 1 day ago

$123

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 30 from O'Hare Intl. to Denver Intl., returning Sat, Sep 6, priced at $123 found 1 day ago

Thu, Sep 4 - Fri, Sep 5

ORD

O'Hare Intl.

DEN

Denver Intl.

$126 Roundtrip, found 5 days ago

$126

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Denver Intl., returning Fri, Sep 5, priced at $126 found 5 days ago

Thu, Jul 31 - Sun, Aug 3

ORD

O'Hare Intl.

DEN

Denver Intl.

$130 Roundtrip, found 6 days ago

$130

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Jul 31 from O'Hare Intl. to Denver Intl., returning Sun, Aug 3, priced at $130 found 6 days ago

Tue, Sep 2 - Thu, Sep 4

ORD

O'Hare Intl.

DEN

Denver Intl.

$133 Roundtrip, found 5 days ago

$133

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Denver Intl., returning Thu, Sep 4, priced at $133 found 5 days ago

Thu, Aug 28 - Sat, Aug 30

ORD

O'Hare Intl.

DEN

Denver Intl.

$138 Roundtrip, found 4 days ago

$138

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Aug 28 from O'Hare Intl. to Denver Intl., returning Sat, Aug 30, priced at $138 found 4 days ago

Sat, Aug 2 - Sat, Aug 2

ORD

O'Hare Intl.

DEN

Denver Intl.

$143 Roundtrip, found 6 days ago

$143

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Aug 2 from O'Hare Intl. to Denver Intl., returning Sat, Aug 2, priced at $143 found 6 days ago

Thu, Aug 14 - Mon, Aug 18

MDW

Midway Intl.

DEN

Denver Intl.

$146 Roundtrip, found 3 days ago

$146

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Midway Intl. to Denver Intl., returning Mon, Aug 18, priced at $146 found 3 days ago

Thu, Aug 14 - Mon, Aug 18

ORD

O'Hare Intl.

DEN

Denver Intl.

$148 Roundtrip, found 3 days ago

$148

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from O'Hare Intl. to Denver Intl., returning Mon, Aug 18, priced at $148 found 3 days ago

Thu, Sep 4 - Sun, Sep 7

ORD

O'Hare Intl.

DEN

Denver Intl.

$151 Roundtrip, found 5 days ago

$151

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Denver Intl., returning Sun, Sep 7, priced at $151 found 5 days ago

Tue, Sep 2 - Fri, Sep 5

ORD

O'Hare Intl.

DEN

Denver Intl.

$151 Roundtrip, found 5 days ago

$151

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, Sep 2 from O'Hare Intl. to Denver Intl., returning Fri, Sep 5, priced at $151 found 5 days ago

Thu, Aug 14 - Mon, Aug 18

ORD

O'Hare Intl.

DEN

Denver Intl.

$153 Roundtrip, found 3 days ago

$153

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from O'Hare Intl. to Denver Intl., returning Mon, Aug 18, priced at $153 found 3 days ago

Mon, Jul 28 - Mon, Aug 4

ORD

O'Hare Intl.

DEN

Denver Intl.

$153 Roundtrip, found 1 day ago

$153

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jul 28 from O'Hare Intl. to Denver Intl., returning Mon, Aug 4, priced at $153 found 1 day ago

Sat, Aug 30 - Sat, Sep 6

ORD

O'Hare Intl.

DEN

Denver Intl.

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select United flight, departing Sat, Aug 30 from O'Hare Intl. to Denver Intl., returning Sat, Sep 6, priced at $157 found 1 day ago

Sat, Aug 30 - Sat, Sep 6

ORD

O'Hare Intl.

DEN

Denver Intl.

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sat, Aug 30 from O'Hare Intl. to Denver Intl., returning Sat, Sep 6, priced at $157 found 1 day ago

Tue, Sep 9 - Thu, Sep 11

ORD

O'Hare Intl.

DEN

Denver Intl.

$159 Roundtrip, found 1 day ago

$159

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Sep 9 from O'Hare Intl. to Denver Intl., returning Thu, Sep 11, priced at $159 found 1 day ago

Sat, Aug 30 - Sat, Sep 6

ORD

O'Hare Intl.

DEN

Denver Intl.

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Aug 30 from O'Hare Intl. to Denver Intl., returning Sat, Sep 6, priced at $217 found 1 day ago

Sat, Jul 19 - Sat, Jul 26

ORD

O'Hare Intl.

DEN

Denver Intl.

$415 Roundtrip, found 5 days ago

$415

Roundtrip

found 5 days ago

Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Sat, Jul 19 from O'Hare Intl. to Denver Intl., returning Sat, Jul 26, priced at $415 found 5 days ago