Popular airlines from Denver to Southwest Houston
American Airlines
Frontier Airlines
Delta
United
Southwest Airlines
Alaska Airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Find available prices by choosing your travel dates.
Cheap Flights from Denver to Southwest Houston (DEN-HOU)
Prices were available within the past 7 days and start at $69 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, Jun 11 - Sat, Jun 14
DEN
Denver
IAH
Houston
$120 Roundtrip, found 1 hour ago
$120
Roundtrip
found 1 hour ago
Sat, Jun 14 - Tue, Jun 24
DEN
Denver
IAH
Houston
$129 Roundtrip, found 5 hours ago
$129
Roundtrip
found 5 hours ago
Wed, Jun 4 - Wed, Jun 11
DEN
Denver
IAH
Houston
$159 Roundtrip, found 4 hours ago
$159
Roundtrip
found 4 hours ago
Wed, May 21 - Sat, May 24
DEN
Denver
HOU
Houston
$187 Roundtrip, found 5 days ago
$187
Roundtrip
found 5 days ago
Wed, May 21 - Sat, May 24
DEN
Denver
HOU
Houston
$208 Roundtrip, found 5 days ago
$208
Roundtrip
found 5 days ago
Sun, Aug 24 - Sun, Aug 31
DEN
Denver
HOU
Houston
$337 Roundtrip, found 4 days ago
$337
Roundtrip
found 4 days ago
Find the cheapest month to fly from Denver (DEN) to Houston (IAH)
March is typically the cheapest month to fly
From $48 - $184 per traveler.
Graph displaying average flight prices per month
Explore a world of travel with Expedia
Explore a world of travel with Expedia
Flights
- Flights to Houston
- Flights to Corpus Christi
- Flights to Austin
- Flights from Rapid City to Redmond
- Flights from Houston to Anaheim
- Flights from Minneapolis - St. Paul to Anaheim
- Flights from Chicago to Anaheim
- Flights from Seattle to Anaheim
- Flights from Orlando to Anaheim
- Flights from Phoenix to Anaheim
- Flights from Boston to Anaheim
- Flights from Las Vegas to Anaheim
- Flights from Denver to Anaheim
- Flights from Philadelphia to Anaheim
- Flights from Phoenix to Rochelle Park
- Flights from Honolulu to Maui
- Flights from Anchorage to Maui
- Flights from Spokane to Maui
- Flights from Houston to Maui
- Flights from Seattle to Maui
- Flights from Las Vegas to Maui
- Flights from Houston to Bentonville
- Flights from Providence to Bentonville
- Flights from Denver to Bentonville
- Flights from Maui to Honolulu
- Flights from Phoenix to Southwest Houston
- Flights from Denver to Southwest Houston
- Flights from Atlanta to Southwest Houston
- Flights from Philadelphia to Southwest Houston
- Flights from Charlotte to Southwest Houston
- Flights from Minneapolis - St. Paul to Southwest Houston
- Flights from Newark to Southwest Houston
- Flights from Baltimore to Southwest Houston
- Flights from Washington to Southwest Houston
- Flights from Los Angeles to Southwest Houston
- Flights from Boston to Southwest Houston
- Flights from Fort Lauderdale to Southwest Houston
- Flights from Chicago to Southwest Houston
- Flights from Detroit to Southwest Houston
- Flights from Orlando to Southwest Houston
- Flights from Miami to Southwest Houston
- Flights from New York to Southwest Houston
- Flights from Detroit to Cape Canaveral
- Flights from Atlanta to Cape Canaveral
- Flights from Chicago to South Lake Tahoe
- Flights from Boise to South Lake Tahoe
- Flights from San Francisco to South Lake Tahoe
- Flights from New York to Norman
- Flights from New York to Yellowstone National Park
- Flights from Orlando to Gatlinburg
*Available to One Key members.