Flights from Denver to Lyons

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.

Wed, Sep 24 - Mon, Sep 29

DEN

Denver Intl.

ORD

O'Hare Intl.

$128 Roundtrip, found 2 hours ago

$128

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Wed, Sep 24 from Denver Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $128 found 2 hours ago

Wed, Aug 6 - Tue, Aug 12

DEN

Denver Intl.

ORD

O'Hare Intl.

$139 Roundtrip, found 2 days ago

$139

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Denver Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $139 found 2 days ago

Mon, Sep 8 - Mon, Sep 15

DEN

Denver Intl.

ORD

O'Hare Intl.

$140 Roundtrip, found 8 hours ago

$140

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Mon, Sep 8 from Denver Intl. to O'Hare Intl., returning Mon, Sep 15, priced at $140 found 8 hours ago

Wed, Aug 6 - Sat, Aug 9

DEN

Denver Intl.

ORD

O'Hare Intl.

$143 Roundtrip, found 8 hours ago

$143

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Denver Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $143 found 8 hours ago

Wed, Sep 24 - Mon, Sep 29

DEN

Denver Intl.

ORD

O'Hare Intl.

$146 Roundtrip, found 2 hours ago

$146

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Wed, Sep 24 from Denver Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $146 found 2 hours ago

Wed, Sep 24 - Mon, Sep 29

DEN

Denver Intl.

ORD

O'Hare Intl.

$151 Roundtrip, found 2 hours ago

$151

Roundtrip

found 2 hours ago

Select American Airlines flight, departing Wed, Sep 24 from Denver Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $151 found 2 hours ago

Wed, Sep 24 - Mon, Sep 29

DEN

Denver Intl.

ORD

O'Hare Intl.

$151 Roundtrip, found 2 hours ago

$151

Roundtrip

found 2 hours ago

Select United flight, departing Wed, Sep 24 from Denver Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $151 found 2 hours ago

Sat, Aug 9 - Tue, Aug 12

DEN

Denver Intl.

ORD

O'Hare Intl.

$153 Roundtrip, found 8 hours ago

$153

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Denver Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $153 found 8 hours ago

Mon, Sep 8 - Fri, Sep 19

DEN

Denver Intl.

ORD

O'Hare Intl.

$154 Roundtrip, found 8 hours ago

$154

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Mon, Sep 8 from Denver Intl. to O'Hare Intl., returning Fri, Sep 19, priced at $154 found 8 hours ago

Fri, Aug 8 - Tue, Aug 12

DEN

Denver Intl.

ORD

O'Hare Intl.

$162 Roundtrip, found 8 hours ago

$162

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Denver Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $162 found 8 hours ago

Fri, Sep 12 - Fri, Sep 19

DEN

Denver Intl.

ORD

O'Hare Intl.

$168 Roundtrip, found 8 hours ago

$168

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Sep 12 from Denver Intl. to O'Hare Intl., returning Fri, Sep 19, priced at $168 found 8 hours ago

Wed, Aug 6 - Tue, Aug 12

DEN

Denver Intl.

ORD

O'Hare Intl.

$170 Roundtrip, found 2 days ago

$170

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Denver Intl. to O'Hare Intl., returning Tue, Aug 12, priced at $170 found 2 days ago

Thu, Sep 18 - Thu, Sep 25

DEN

Denver Intl.

ORD

O'Hare Intl.

$172 Roundtrip, found 1 day ago

$172

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Denver Intl. to O'Hare Intl., returning Thu, Sep 25, priced at $172 found 1 day ago

Thu, Aug 7 - Fri, Aug 15

DEN

Denver Intl.

ORD

O'Hare Intl.

$173 Roundtrip, found 3 days ago

$173

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Denver Intl. to O'Hare Intl., returning Fri, Aug 15, priced at $173 found 3 days ago

Tue, Aug 5 - Sat, Aug 9

DEN

Denver Intl.

ORD

O'Hare Intl.

$174 Roundtrip, found 4 days ago

$174

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Denver Intl. to O'Hare Intl., returning Sat, Aug 9, priced at $174 found 4 days ago

Sat, Aug 9 - Sun, Aug 10

DEN

Denver Intl.

ORD

O'Hare Intl.

$175 Roundtrip, found 8 hours ago

$175

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Sat, Aug 9 from Denver Intl. to O'Hare Intl., returning Sun, Aug 10, priced at $175 found 8 hours ago

Thu, Sep 11 - Fri, Sep 19

DEN

Denver Intl.

ORD

O'Hare Intl.

$178 Roundtrip, found 3 days ago

$178

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Sep 11 from Denver Intl. to O'Hare Intl., returning Fri, Sep 19, priced at $178 found 3 days ago

Tue, Aug 5 - Fri, Aug 15

DEN

Denver Intl.

ORD

O'Hare Intl.

$179 Roundtrip, found 4 days ago

$179

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Denver Intl. to O'Hare Intl., returning Fri, Aug 15, priced at $179 found 4 days ago

Wed, Sep 24 - Mon, Sep 29

DEN

Denver Intl.

ORD

O'Hare Intl.

$184 Roundtrip, found 2 hours ago

$184

Roundtrip

found 2 hours ago

Select Delta flight, departing Wed, Sep 24 from Denver Intl. to O'Hare Intl., returning Mon, Sep 29, priced at $184 found 2 hours ago

Fri, Aug 8 - Fri, Aug 15

DEN

Denver Intl.

ORD

O'Hare Intl.

$185 Roundtrip, found 3 days ago

$185

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Denver Intl. to O'Hare Intl., returning Fri, Aug 15, priced at $185 found 3 days ago