Portland (PDX) to Houston (IAH) cheap flight deal from $177 USD in economy class

ASAlaska Airlines, Inc.

Round Trip•Economy

PDX

Portland International Airport

Portland, United States

IAH

George Bush Intercontinental Airport

Houston, United States

$385 USD

-54%$177 USD

Verified Sep 19, 2025 at 6:33 PM

September 2025

Today

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19$676 20$676 21$687 22$676 23$676 24$676 25$676 26$457 27$417 28$417 29$427 30$417 1$417 2$417 3$407 4$407 5$417

Rare Availability

9% of dates checked are available within 10% of the lowest price

Monday, September 29th, 2025

10 round-trip options

Returning

Sat, Oct 4, 2025•5 Day Trip

$597 USD

Google Flights

Returning

Sun, Oct 5, 2025•6 Day Trip

$597 USD

Google Flights

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Mon, Oct 6, 2025•7 Day Trip

$597 USD

Google Flights

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Tue, Oct 7, 2025•8 Day Trip

$597 USD

Google Flights

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Wed, Oct 8, 2025•9 Day Trip

$597 USD

Google Flights

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Thu, Oct 9, 2025•10 Day Trip

$597 USD

Google Flights

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Fri, Oct 10, 2025•11 Day Trip

$467 USD

Google Flights

Returning

Sat, Oct 11, 2025•12 Day Trip

$427 USD

Google Flights

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Sun, Oct 12, 2025•13 Day Trip

$532 USD

Google Flights

Returning

Mon, Oct 13, 2025•14 Day Trip

$567 USD

Google Flights