Flights from Denver to Arlington Heights

Cheapest flights from Denver

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.

Sat, May 31 - Sat, Jun 7

DEN

Denver Intl.

ORD

O'Hare Intl.

$101 Roundtrip, found 1 day ago

$101

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 31 from Denver Intl. to O'Hare Intl., returning Sat, Jun 7, priced at $101 found 1 day ago

Sat, May 31 - Thu, Jun 5

DEN

Denver Intl.

ORD

O'Hare Intl.

$103 Roundtrip, found 1 day ago

$103

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 31 from Denver Intl. to O'Hare Intl., returning Thu, Jun 5, priced at $103 found 1 day ago

Thu, Jun 5 - Sat, Jun 7

DEN

Denver Intl.

ORD

O'Hare Intl.

$106 Roundtrip, found 2 days ago

$106

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Denver Intl. to O'Hare Intl., returning Sat, Jun 7, priced at $106 found 2 days ago

Mon, Jun 2 - Thu, Jun 5

DEN

Denver Intl.

ORD

O'Hare Intl.

$108 Roundtrip, found 1 day ago

$108

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 2 from Denver Intl. to O'Hare Intl., returning Thu, Jun 5, priced at $108 found 1 day ago

Thu, May 29 - Tue, Jun 3

DEN

Denver Intl.

MDW

Midway Intl.

$112 Roundtrip, found 7 hours ago

$112

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Thu, May 29 from Denver Intl. to Midway Intl., returning Tue, Jun 3, priced at $112 found 7 hours ago

Sat, Jun 7 - Sat, Jun 14

DEN

Denver Intl.

ORD

O'Hare Intl.

$114 Roundtrip, found 1 day ago

$114

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Denver Intl. to O'Hare Intl., returning Sat, Jun 14, priced at $114 found 1 day ago

Sat, May 31 - Fri, Jun 6

DEN

Denver Intl.

ORD

O'Hare Intl.

$115 Roundtrip, found 1 day ago

$115

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 31 from Denver Intl. to O'Hare Intl., returning Fri, Jun 6, priced at $115 found 1 day ago

Sat, Jun 7 - Thu, Jun 12

DEN

Denver Intl.

ORD

O'Hare Intl.

$116 Roundtrip, found 1 day ago

$116

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 7 from Denver Intl. to O'Hare Intl., returning Thu, Jun 12, priced at $116 found 1 day ago

Thu, Jun 5 - Sat, Jun 14

DEN

Denver Intl.

ORD

O'Hare Intl.

$118 Roundtrip, found 1 day ago

$118

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Denver Intl. to O'Hare Intl., returning Sat, Jun 14, priced at $118 found 1 day ago

Thu, Jun 5 - Thu, Jun 12

DEN

Denver Intl.

ORD

O'Hare Intl.

$120 Roundtrip, found 1 day ago

$120

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jun 5 from Denver Intl. to O'Hare Intl., returning Thu, Jun 12, priced at $120 found 1 day ago

Sun, May 25 - Thu, Jun 5

DEN

Denver Intl.

ORD

O'Hare Intl.

$123 Roundtrip, found 6 hours ago

$123

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Sun, May 25 from Denver Intl. to O'Hare Intl., returning Thu, Jun 5, priced at $123 found 6 hours ago

Sat, May 31 - Fri, Jun 13

DEN

Denver Intl.

ORD

O'Hare Intl.

$125 Roundtrip, found 5 days ago

$125

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 31 from Denver Intl. to O'Hare Intl., returning Fri, Jun 13, priced at $125 found 5 days ago

Tue, Jun 17 - Tue, Jun 24

DEN

Denver Intl.

ORD

O'Hare Intl.

$126 Roundtrip, found 1 day ago

$126

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 17 from Denver Intl. to O'Hare Intl., returning Tue, Jun 24, priced at $126 found 1 day ago

Sat, May 31 - Sat, Jun 7

DEN

Denver Intl.

ORD

O'Hare Intl.

$128 Roundtrip, found 1 day ago

$128

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 31 from Denver Intl. to O'Hare Intl., returning Sat, Jun 7, priced at $128 found 1 day ago

Fri, Jun 6 - Thu, Jun 12

DEN

Denver Intl.

ORD

O'Hare Intl.

$130 Roundtrip, found 1 day ago

$130

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jun 6 from Denver Intl. to O'Hare Intl., returning Thu, Jun 12, priced at $130 found 1 day ago

Tue, May 27 - Fri, May 30

DEN

Denver Intl.

ORD

O'Hare Intl.

$132 Roundtrip, found 6 hours ago

$132

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Tue, May 27 from Denver Intl. to O'Hare Intl., returning Fri, May 30, priced at $132 found 6 hours ago

Wed, May 28 - Tue, Jun 3

DEN

Denver Intl.

ORD

O'Hare Intl.

$174 Roundtrip, found 6 hours ago

$174

Roundtrip

found 6 hours ago

Select American Airlines flight, departing Wed, May 28 from Denver Intl. to O'Hare Intl., returning Tue, Jun 3, priced at $174 found 6 hours ago

Wed, May 28 - Tue, Jun 3

DEN

Denver Intl.

ORD

O'Hare Intl.

$174 Roundtrip, found 6 hours ago

$174

Roundtrip

found 6 hours ago

Select United flight, departing Wed, May 28 from Denver Intl. to O'Hare Intl., returning Tue, Jun 3, priced at $174 found 6 hours ago

Sat, Jul 12 - Sat, Jul 12

DEN

Denver Intl.

ORD

O'Hare Intl.

$211 Roundtrip, found 4 days ago

$211

Roundtrip

found 4 days ago

Select Delta flight, departing Sat, Jul 12 from Denver Intl. to O'Hare Intl., returning Sat, Jul 12, priced at $211 found 4 days ago

Thu, Jul 10 - Sun, Jul 13

DEN

Denver Intl.

ORD

O'Hare Intl.

$325 Roundtrip, found 4 days ago

$325

Roundtrip

found 4 days ago

Select KEY LIME AIR DBA DENVER AIR CONNECTION flight, departing Thu, Jul 10 from Denver Intl. to O'Hare Intl., returning Sun, Jul 13, priced at $325 found 4 days ago