Cheap Flights from Denver to Southwest Houston

View €81 flight on Sat, 13 Sep 2025Opens in a new window

Popular airlines from Denver to Southwest Houston

  • Frontier Airlines

    Frontier Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

  • Sun Country Airlines

    Sun Country Airlines

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Cheap flights from Denver to Southwest Houston (DEN-HOU)

Prices were available within the past 7 days and start at €81 for one-way flights and €174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 13 Sep - Mon, 15 Sep
DEN
Denver
HOU
Houston
€174 Return, found 11 hours ago
€174
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Denver to Houston, returning Mon, 15 Sep, priced at €174 found 11 hours ago
American Airlines
Sat, 13 Sep - Mon, 15 Sep
DEN
Denver
IAH
Houston
€174 Return, found 11 hours ago
€174
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Denver to Houston, returning Mon, 15 Sep, priced at €174 found 11 hours ago
American Airlines
Sat, 13 Sep - Mon, 15 Sep
DEN
Denver
IAH
Houston
€175 Return, found 11 hours ago
€175
Return
found 11 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Denver to Houston, returning Mon, 15 Sep, priced at €175 found 11 hours ago
Delta
Sat, 13 Sep - Mon, 15 Sep
DEN
Denver
IAH
Houston
€186 Return, found 11 hours ago
€186
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Denver to Houston, returning Mon, 15 Sep, priced at €186 found 11 hours ago
Delta
Sat, 13 Sep - Mon, 15 Sep
DEN
Denver
IAH
Houston
€188 Return, found 11 hours ago
€188
Return
found 11 hours ago
Select Delta flight, departing Sat, 13 Sep from Denver to Houston, returning Mon, 15 Sep, priced at €188 found 11 hours ago
United
Sat, 13 Sep - Mon, 15 Sep
DEN
Denver
IAH
Houston
€192 Return, found 11 hours ago
€192
Return
found 11 hours ago
Select United flight, departing Sat, 13 Sep from Denver to Houston, returning Mon, 15 Sep, priced at €192 found 11 hours ago

Find the cheapest month to fly from Denver (DEN) to Houston (IAH)

September is typically the cheapest month to fly

From €41 - €116 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.