Cheap Flights from Denver to Southwest Houston

View €94 flight on Fri, 3 Oct 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 €94 for one-way flights and €186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 13 Sep - Sun, 14 Sep
DEN
Denver
HOU
Houston
€186 Return, found 5 days ago
€186
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Denver to Houston, returning Sun, 14 Sep, priced at €186 found 5 days ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
DEN
Denver
IAH
Houston
€186 Return, found 5 days ago
€186
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Denver to Houston, returning Sun, 14 Sep, priced at €186 found 5 days ago
American Airlines
Sat, 13 Sep - Sun, 14 Sep
DEN
Denver
IAH
Houston
€198 Return, found 5 days ago
€198
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Sep from Denver to Houston, returning Sun, 14 Sep, priced at €198 found 5 days ago
Delta
Fri, 3 Oct - Fri, 10 Oct
DEN
Denver
IAH
Houston
€208 Return, found 1 day ago
€208
Return
found 1 day ago
Select Delta flight, departing Fri, 3 Oct from Denver to Houston, returning Fri, 10 Oct, priced at €208 found 1 day ago
Delta
Fri, 3 Oct - Fri, 10 Oct
DEN
Denver
IAH
Houston
€216 Return, found 1 day ago
€216
Return
found 1 day ago
Select Delta flight, departing Fri, 3 Oct from Denver to Houston, returning Fri, 10 Oct, priced at €216 found 1 day ago
United
Fri, 3 Oct - Fri, 10 Oct
DEN
Denver
IAH
Houston
€229 Return, found 1 day ago
€229
Return
found 1 day ago
Select United flight, departing Fri, 3 Oct from Denver to Houston, returning Fri, 10 Oct, priced at €229 found 1 day ago

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

February is typically the cheapest month to fly

From €41 - €379 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.