Flights to Southwest Houston from Portland - ￥15,670

View ￥15,670 flight on Sat, Sep 20, 2025Opens in a new window

Popular airlines from Portland to Southwest Houston

  • American Airlines

    American Airlines

  • Delta

    Delta

  • 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 40% 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 to Southwest Houston (PDX-HOU)

Prices were available within the past 7 days and start at ￥15,670 for one-way flights and ￥36,030 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Aug 8 - Wed, Aug 13
PDX
Portland
IAH
Houston
￥36,030 Roundtrip, found 3 days ago
￥36,030
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Aug 8 from Portland to Houston, returning Wed, Aug 13, priced at ￥36,030 found 3 days ago
American Airlines
Mon, Sep 15 - Wed, Sep 17
PDX
Portland
HOU
Houston
￥37,700 Roundtrip, found 13 hours ago
￥37,700
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Sep 15 from Portland to Houston, returning Wed, Sep 17, priced at ￥37,700 found 13 hours ago
American Airlines
Mon, Sep 15 - Thu, Sep 18
PDX
Portland
IAH
Houston
￥37,700 Roundtrip, found 13 hours ago
￥37,700
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Sep 15 from Portland to Houston, returning Thu, Sep 18, priced at ￥37,700 found 13 hours ago
American Airlines
Mon, Sep 15 - Wed, Sep 17
PDX
Portland
IAH
Houston
￥38,470 Roundtrip, found 13 hours ago
￥38,470
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Sep 15 from Portland to Houston, returning Wed, Sep 17, priced at ￥38,470 found 13 hours ago
United
Mon, Sep 15 - Wed, Sep 17
PDX
Portland
IAH
Houston
￥41,340 Roundtrip, found 13 hours ago
￥41,340
Roundtrip
found 13 hours ago
Select United flight, departing Mon, Sep 15 from Portland to Houston, returning Wed, Sep 17, priced at ￥41,340 found 13 hours ago
Delta
Mon, Sep 15 - Wed, Sep 17
PDX
Portland
IAH
Houston
￥42,090 Roundtrip, found 13 hours ago
￥42,090
Roundtrip
found 13 hours ago
Select Delta flight, departing Mon, Sep 15 from Portland to Houston, returning Wed, Sep 17, priced at ￥42,090 found 13 hours ago

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

September is typically the cheapest month to fly

From ￥14,829 - ￥28,617 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.