Flights from Houston to Monarch

Cheapest flights from Houston

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, Sep 23 - Tue, Sep 30

IAH

George Bush Intercontinental

DEN

Denver Intl.

$133 Roundtrip, found 1 hour ago

$133

Roundtrip

found 1 hour ago

Select United flight, departing Tue, Sep 23 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 30, priced at $133 found 1 hour ago

Tue, Sep 23 - Tue, Sep 30

IAH

George Bush Intercontinental

DEN

Denver Intl.

$138 Roundtrip, found 1 hour ago

$138

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Tue, Sep 23 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 30, priced at $138 found 1 hour ago

Thu, Aug 28 - Sat, Sep 6

IAH

George Bush Intercontinental

DEN

Denver Intl.

$143 Roundtrip, found 9 hours ago

$143

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, Aug 28 from George Bush Intercontinental to Denver Intl., returning Sat, Sep 6, priced at $143 found 9 hours ago

Fri, Aug 8 - Mon, Aug 11

IAH

George Bush Intercontinental

DEN

Denver Intl.

$144 Roundtrip, found 6 days ago

$144

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Aug 8 from George Bush Intercontinental to Denver Intl., returning Mon, Aug 11, priced at $144 found 6 days ago

Tue, Sep 23 - Tue, Sep 30

IAH

George Bush Intercontinental

DEN

Denver Intl.

$146 Roundtrip, found 1 hour ago

$146

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Tue, Sep 23 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 30, priced at $146 found 1 hour ago

Tue, Aug 26 - Tue, Sep 9

IAH

George Bush Intercontinental

DEN

Denver Intl.

$148 Roundtrip, found 6 days ago

$148

Roundtrip

found 6 days ago

Select United flight, departing Tue, Aug 26 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 9, priced at $148 found 6 days ago

Tue, Sep 23 - Tue, Sep 30

IAH

George Bush Intercontinental

DEN

Denver Intl.

$151 Roundtrip, found 1 hour ago

$151

Roundtrip

found 1 hour ago

Select United flight, departing Tue, Sep 23 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 30, priced at $151 found 1 hour ago

Tue, Sep 23 - Tue, Sep 30

IAH

George Bush Intercontinental

DEN

Denver Intl.

$152 Roundtrip, found 1 hour ago

$152

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Tue, Sep 23 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 30, priced at $152 found 1 hour ago

Thu, Aug 28 - Fri, Sep 5

IAH

George Bush Intercontinental

DEN

Denver Intl.

$154 Roundtrip, found 9 hours ago

$154

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, Aug 28 from George Bush Intercontinental to Denver Intl., returning Fri, Sep 5, priced at $154 found 9 hours ago

Mon, Sep 1 - Sat, Sep 6

IAH

George Bush Intercontinental

DEN

Denver Intl.

$154 Roundtrip, found 9 hours ago

$154

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Sep 1 from George Bush Intercontinental to Denver Intl., returning Sat, Sep 6, priced at $154 found 9 hours ago

Sun, Aug 31 - Sat, Sep 6

IAH

George Bush Intercontinental

DEN

Denver Intl.

$155 Roundtrip, found 9 hours ago

$155

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from George Bush Intercontinental to Denver Intl., returning Sat, Sep 6, priced at $155 found 9 hours ago

Thu, Aug 7 - Mon, Aug 11

IAH

George Bush Intercontinental

DEN

Denver Intl.

$157 Roundtrip, found 16 hours ago

$157

Roundtrip

found 16 hours ago

Select United flight, departing Thu, Aug 7 from George Bush Intercontinental to Denver Intl., returning Mon, Aug 11, priced at $157 found 16 hours ago

Thu, Aug 7 - Sun, Aug 10

IAH

George Bush Intercontinental

DEN

Denver Intl.

$159 Roundtrip, found 5 hours ago

$159

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Thu, Aug 7 from George Bush Intercontinental to Denver Intl., returning Sun, Aug 10, priced at $159 found 5 hours ago

Tue, Sep 23 - Tue, Sep 30

IAH

George Bush Intercontinental

DEN

Denver Intl.

$159 Roundtrip, found 1 hour ago

$159

Roundtrip

found 1 hour ago

Select American Airlines flight, departing Tue, Sep 23 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 30, priced at $159 found 1 hour ago

Thu, Sep 25 - Fri, Oct 3

IAH

George Bush Intercontinental

DEN

Denver Intl.

$159 Roundtrip, found 2 hours ago

$159

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Thu, Sep 25 from George Bush Intercontinental to Denver Intl., returning Fri, Oct 3, priced at $159 found 2 hours ago

Sun, Aug 31 - Thu, Sep 4

IAH

George Bush Intercontinental

DEN

Denver Intl.

$160 Roundtrip, found 9 hours ago

$160

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from George Bush Intercontinental to Denver Intl., returning Thu, Sep 4, priced at $160 found 9 hours ago

Tue, Sep 23 - Tue, Sep 30

IAH

George Bush Intercontinental

DEN

Denver Intl.

$163 Roundtrip, found 1 hour ago

$163

Roundtrip

found 1 hour ago

Select United flight, departing Tue, Sep 23 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 30, priced at $163 found 1 hour ago

Thu, Aug 7 - Sun, Aug 10

IAH

George Bush Intercontinental

DEN

Denver Intl.

$164 Roundtrip, found 5 hours ago

$164

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Thu, Aug 7 from George Bush Intercontinental to Denver Intl., returning Sun, Aug 10, priced at $164 found 5 hours ago

Sun, Aug 31 - Fri, Sep 5

IAH

George Bush Intercontinental

DEN

Denver Intl.

$165 Roundtrip, found 9 hours ago

$165

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Sun, Aug 31 from George Bush Intercontinental to Denver Intl., returning Fri, Sep 5, priced at $165 found 9 hours ago

Tue, Sep 23 - Tue, Sep 30

IAH

George Bush Intercontinental

DEN

Denver Intl.

$217 Roundtrip, found 1 hour ago

$217

Roundtrip

found 1 hour ago

Select Delta flight, departing Tue, Sep 23 from George Bush Intercontinental to Denver Intl., returning Tue, Sep 30, priced at $217 found 1 hour ago