Cheap flights from Phoenix to Northwest Houston

View AU$137 flight on Sun, 17 Aug. 2025Opens in a new window

Popular airlines from Phoenix to Northwest Houston

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Phoenix (PHX) to Northwest Houston (HOU)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 6 Sep. - Mon, 8 Sep.
PHX
Phoenix
IAH
Houston
AU$230 Return, found 2 days ago
AU$230
Return
found 2 days ago
Select American Airlines flight, departing Sat, 6 Sep. from Phoenix to Houston, returning Mon, 8 Sep., priced at AU$230 found 2 days ago
American Airlines
Tue, 19 Aug. - Sun, 24 Aug.
PHX
Phoenix
IAH
Houston
AU$258 Return, found 1 day ago
AU$258
Return
found 1 day ago
Select American Airlines flight, departing Tue, 19 Aug. from Phoenix to Houston, returning Sun, 24 Aug., priced at AU$258 found 1 day ago
American Airlines
Sun, 31 Aug. - Sun, 7 Sep.
PHX
Phoenix
IAH
Houston
AU$269 Return, found 5 days ago
AU$269
Return
found 5 days ago
Select American Airlines flight, departing Sun, 31 Aug. from Phoenix to Houston, returning Sun, 7 Sep., priced at AU$269 found 5 days ago
Delta
Sun, 31 Aug. - Sun, 7 Sep.
PHX
Phoenix
IAH
Houston
AU$332 Return, found 5 days ago
AU$332
Return
found 5 days ago
Select Delta flight, departing Sun, 31 Aug. from Phoenix to Houston, returning Sun, 7 Sep., priced at AU$332 found 5 days ago
United
Tue, 19 Aug. - Sun, 24 Aug.
PHX
Phoenix
IAH
Houston
AU$351 Return, found 1 day ago
AU$351
Return
found 1 day ago
Select United flight, departing Tue, 19 Aug. from Phoenix to Houston, returning Sun, 24 Aug., priced at AU$351 found 1 day ago
Alaska Airlines
Sat, 6 Sep. - Mon, 8 Sep.
PHX
Phoenix
IAH
Houston
AU$599 Return, found 2 days ago
AU$599
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 6 Sep. from Phoenix to Houston, returning Mon, 8 Sep., priced at AU$599 found 2 days ago

Find the cheapest month to fly from Phoenix (PHX) to Houston (IAH)

April is typically the cheapest month to fly

From AU$75 - AU$655 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.