$85 Cheap Flights from Portland (PDX) to Houston (IAH)

View $85 flight on Mon, Nov 17, 2025Opens in a new window

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

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Today's featured flight deals from Portland International Airport (PDX) to George Bush Intercontinental Airport (IAH)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Portland to Houston (PDX-IAH)

Prices were available within the past 7 days and start at $85 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 4 - Wed, Dec 10
PDX
Portland
IAH
Houston
$170 Roundtrip, found 2 hours ago
$170
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Portland to Houston, returning Wed, Dec 10, priced at $170 found 2 hours ago
United
Wed, Nov 12 - Tue, Nov 18
PDX
Portland
IAH
Houston
$173 Roundtrip, found 2 hours ago
$173
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Nov 12 from Portland to Houston, returning Tue, Nov 18, priced at $173 found 2 hours ago
Frontier Airlines
Sat, Nov 15 - Wed, Nov 19
PDX
Portland
IAH
Houston
$174 Roundtrip, found 6 hours ago
$174
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sat, Nov 15 from Portland to Houston, returning Wed, Nov 19, priced at $174 found 6 hours ago
United
Wed, Jan 14 - Tue, Jan 20
PDX
Portland
IAH
Houston
$175 Roundtrip, found 2 hours ago
$175
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jan 14 from Portland to Houston, returning Tue, Jan 20, priced at $175 found 2 hours ago
Frontier Airlines
Thu, Nov 13 - Wed, Nov 19
PDX
Portland
IAH
Houston
$178 Roundtrip, found 2 hours ago
$178
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Portland to Houston, returning Wed, Nov 19, priced at $178 found 2 hours ago
United
Wed, Nov 12 - Tue, Nov 18
PDX
Portland
IAH
Houston
$178 Roundtrip, found 2 hours ago
$178
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Nov 12 from Portland to Houston, returning Tue, Nov 18, priced at $178 found 2 hours ago
Frontier Airlines
Thu, Dec 11 - Sat, Dec 13
PDX
Portland
IAH
Houston
$179 Roundtrip, found 10 hours ago
$179
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Portland to Houston, returning Sat, Dec 13, priced at $179 found 10 hours ago
Delta
Wed, Dec 10 - Tue, Dec 16
PDX
Portland
IAH
Houston
$188 Roundtrip, found 2 hours ago
$188
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Dec 10 from Portland to Houston, returning Tue, Dec 16, priced at $188 found 2 hours ago
Hawaiian Airlines
Tue, Feb 3 - Wed, Feb 11
PDX
Portland
IAH
Houston
$197 Roundtrip, found 7 hours ago
$197
Roundtrip
found 7 hours ago
Select Hawaiian Airlines flight, departing Tue, Feb 3 from Portland to Houston, returning Wed, Feb 11, priced at $197 found 7 hours ago
Alaska Airlines
Tue, Jan 13 - Sat, Jan 17
PDX
Portland
IAH
Houston
$201 Roundtrip, found 6 hours ago
$201
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Portland to Houston, returning Sat, Jan 17, priced at $201 found 6 hours ago

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

April is typically the cheapest month to fly

From $122 - $516 per traveler.

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $368
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $368

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH) cost?
Secure a cheap one-way flight from $85 or cheap return flight from $170 from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
Traveling in December is a great way to save, as it's the cheapest month for flights between PDX and IAH. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
When flying out of Portland Intl. Airport (PDX), you can jump on a nonstop flight to George Bush Intercontinental Airport (IAH) with United Airlines.
What is the cheapest airline that flies from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
To find the cheapest airline that'll fly you from PDX to IAH, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
Each day on average, 2 direct flights operate from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH). Choose the departure that works for you.
What are the most popular departure times for flights from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
More passengers fly between PDX and IAH at 11 AM than at any other point in the day. Rather go when it's quieter? Travel outside of rush hours and you're likely to save on your fare as well.
What day of the week has the most flights from PDX to IAH?
Depart on a Friday if you're after the biggest selection of flights from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH).
What is the earliest flight from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
Take the earliest flight at around 7:00AM UTC-8, departing from Portland Intl. Airport (PDX). You'll be flying for roughly 4h 8m, landing at George Bush Intercontinental Airport (IAH) at approximately 1:08PM UTC-6.
How long does it take to fly from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
The average flight duration from PDX to IAH is 4 hours and 11 minutes, covering a total distance of 1,800 mi.
What airline has the least delays from PDX to IAH?
With 89% of flights usually arriving on schedule, United Airlines has the best on-time performance for nonstop flights from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH). To monitor your flight status and get notified about any changes, head to the Expedia App.
What is the best time to fly from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
Choose a flight from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**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 Houston from Portland Intl. Airport (PDX)?
If you've booked a direct flight from Portland Intl. Airport (PDX) to Houston, George Bush Intercontinental Airport (IAH) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute bookings from PDX to IAH are usually more expensive. For the cheapest rates, start looking for flights early. That being said, if your travel plans are flexible, you may land a cheap fare right before your trip.
Is it cheaper to book a PDX to IAH flight and hotel package?
You can save money by securing a PDX to IAH flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to George Bush Intercontinental Airport (IAH)?
If you booked your PDX to IAH flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Portland Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United
Roundtrip price
$170
Distance
1822 mi
Average flight time
6 hours 27 mins

Book with confidence

Portland to Houston Flights

The cheapest times to fly from Portland to Houston

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 Portland to Houston are during the month of December. You can find some of the cheapest flights from Portland to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Houston

Sunday is one of the best days to book for cheap flights from Portland to Houston: 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 Portland to Houston

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 Portland to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $85 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 Portland to Houston 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 Portland to Houston 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.

 

Portland to Houston Flights

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*Available to One Key members.