Cheap flights from Portland to Texas Gulf Coast

View AU$152 flight on Tue, 14 Oct. 2025Opens in a new window

Popular airlines from Portland to Texas Gulf Coast

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Portland (PDX) to Texas Gulf Coast (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.

Alaska Airlines
Wed, 13 Aug. - Sun, 17 Aug.
PDX
Portland
IAH
Houston
AU$481 Return, found 2 days ago
AU$481
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 13 Aug. from Portland to Houston, returning Sun, 17 Aug., priced at AU$481 found 2 days ago
Delta
Wed, 13 Aug. - Sun, 17 Aug.
PDX
Portland
IAH
Houston
AU$482 Return, found 2 days ago
AU$482
Return
found 2 days ago
Select Delta flight, departing Wed, 13 Aug. from Portland to Houston, returning Sun, 17 Aug., priced at AU$482 found 2 days ago
Alaska Airlines
Wed, 13 Aug. - Sun, 17 Aug.
PDX
Portland
IAH
Houston
AU$498 Return, found 2 days ago
AU$498
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 13 Aug. from Portland to Houston, returning Sun, 17 Aug., priced at AU$498 found 2 days ago
Alaska Airlines
Wed, 13 Aug. - Sun, 17 Aug.
PDX
Portland
IAH
Houston
AU$512 Return, found 2 days ago
AU$512
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 13 Aug. from Portland to Houston, returning Sun, 17 Aug., priced at AU$512 found 2 days ago
American Airlines
Wed, 13 Aug. - Sat, 16 Aug.
PDX
Portland
IAH
Houston
AU$550 Return, found 3 days ago
AU$550
Return
found 3 days ago
Select American Airlines flight, departing Wed, 13 Aug. from Portland to Houston, returning Sat, 16 Aug., priced at AU$550 found 3 days ago
United
Wed, 13 Aug. - Sun, 17 Aug.
PDX
Portland
IAH
Houston
AU$574 Return, found 2 days ago
AU$574
Return
found 2 days ago
Select United flight, departing Wed, 13 Aug. from Portland to Houston, returning Sun, 17 Aug., priced at AU$574 found 2 days ago

Find the cheapest month to fly from Portland (PDX) to Houston (IAH)

September is typically the cheapest month to fly

From AU$155 - AU$299 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.