$73 Cheap Flights from Houston (IAH) to Portland (PDX)

View $73 flight on Wed, Aug 6, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Portland International Airport (PDX)

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Cheap Flights from Houston to Portland (IAH-PDX)

Prices were available within the past 7 days and start at $73 for one-way flights and $162 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Wed, Aug 6 - Tue, Aug 12
IAH
Houston
PDX
Portland
$162 Roundtrip, just found
$162
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Aug 6 from Houston to Portland, returning Tue, Aug 12, priced at $162 just found
American Airlines
Fri, Sep 26 - Tue, Sep 30
IAH
Houston
PDX
Portland
$163 Roundtrip, just found
$163
Roundtrip
just found
Select American Airlines flight, departing Fri, Sep 26 from Houston to Portland, returning Tue, Sep 30, priced at $163 just found
American Airlines
Sun, Aug 17 - Fri, Aug 22
IAH
Houston
PDX
Portland
$167 Roundtrip, found 2 hours ago
$167
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sun, Aug 17 from Houston to Portland, returning Fri, Aug 22, priced at $167 found 2 hours ago
American Airlines
Tue, Aug 12 - Sat, Aug 16
IAH
Houston
PDX
Portland
$169 Roundtrip, just found
$169
Roundtrip
just found
Select American Airlines flight, departing Tue, Aug 12 from Houston to Portland, returning Sat, Aug 16, priced at $169 just found
American Airlines
Tue, Aug 5 - Wed, Aug 13
IAH
Houston
PDX
Portland
$169 Roundtrip, found 1 hour ago
$169
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Tue, Aug 5 from Houston to Portland, returning Wed, Aug 13, priced at $169 found 1 hour ago
Spirit Airlines
Wed, Aug 6 - Tue, Aug 12
IAH
Houston
PDX
Portland
$170 Roundtrip, just found
$170
Roundtrip
just found
Select Spirit Airlines flight, departing Wed, Aug 6 from Houston to Portland, returning Tue, Aug 12, priced at $170 just found
American Airlines
Fri, Sep 26 - Tue, Sep 30
IAH
Houston
PDX
Portland
$173 Roundtrip, just found
$173
Roundtrip
just found
Select American Airlines flight, departing Fri, Sep 26 from Houston to Portland, returning Tue, Sep 30, priced at $173 just found
Delta
Mon, Aug 18 - Fri, Aug 22
IAH
Houston
PDX
Portland
$174 Roundtrip, found 1 hour ago
$174
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Aug 18 from Houston to Portland, returning Fri, Aug 22, priced at $174 found 1 hour ago
Alaska Airlines
Fri, Sep 26 - Tue, Sep 30
IAH
Houston
PDX
Portland
$189 Roundtrip, just found
$189
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Sep 26 from Houston to Portland, returning Tue, Sep 30, priced at $189 just found
Frontier Airlines
Wed, Aug 13 - Tue, Aug 26
IAH
Houston
PDX
Portland
$195 Roundtrip, found 4 days ago
$195
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Aug 13 from Houston to Portland, returning Tue, Aug 26, priced at $195 found 4 days ago

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

September is typically the cheapest month to fly

From $101 - $195 per traveler.

Graph displaying average flight prices per month

Flights from Houston (IAH) to Portland (PDX)
Origin airport
George Bush Intercontinental
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Spirit Airlines, United
Roundtrip price
$158
Distance
1822 mi
Average flight time
4 hours 16 mins

Houston to Portland Flights

The cheapest times to fly from Houston to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Portland are during the month of August. You can find some of the cheapest flights from Houston to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Portland

Sunday is one of the best days to book for cheap flights from Houston to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $73 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX) cost?
Cheap round-trip fares from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX) start at $192. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving IAH on July 23 2025 and touching down at PDX. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from IAH to PDX?
Snap up a cheap ticket by booking your direct flight from IAH to PDX in November. You can find a one-way Alaska Airlines flight for $119 leaving on November 19 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 4 2025 and remains unchanged.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX)?
You can fly straight from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX) on a United Airlines flight.
What is the cheapest airline that flies from IAH to PDX?
At the moment, the cheapest carrier operating one-way flights from IAH to PDX is Alaska Airlines. You can take off on this route from $119. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAH on September 29 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX)?
When departing from George Bush Intercontinental Airport (IAH), you'll have your pick from an average of 2 daily direct flights to Portland Intl. Airport (PDX).
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX)?
More travelers fly between IAH and PDX at 9 AM than at any other point in the day. Prefer a quieter experience? Pick a flight outside the busiest times and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from IAH to PDX?
Saturday has the most flights from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX). Consider jetting off on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX)?
The first flight of the day taking off from George Bush Intercontinental Airport (IAH) is at around 9:55AM UTC-6. Board this plane and you'll reach Portland Intl. Airport (PDX) at approximately 12:46PM UTC-8. The entire trip takes 4h 51m.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX)?
Flights from IAH to PDX have an average travel time of 4 hours and 49 minutes. The total distance between these two airports is 1,800 mi.
What airline has the least delays from IAH to PDX?
United Airlines has the best track record for on-time direct flights from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX), with an on-time score of 85%. Use the Expedia App to look up your flight status before you take off and get immediate updates about any changes.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX)?
To arrive at Portland Intl. Airport (PDX) without delays, choose a flight that leaves George Bush Intercontinental Airport (IAH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Portland from George Bush Intercontinental Airport (IAH)?
Portland Intl. Airport (PDX) is the only airport in Portland with direct flights from George Bush Intercontinental Airport (IAH). Browse the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX) last-minute?
Last-minute fares from IAH to PDX are typically more expensive. For the lowest rates, start searching for flights as soon as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book an IAH to PDX flight and hotel package?
Securing an IAH to PDX flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Portland Intl. Airport (PDX)?
It's usually possible to reschedule or cancel your IAH to PDX flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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