$126 Cheap Flights from Portland (PWM) to Houston (IAH)

View $126 flight on Sat, Nov 22, 2025Opens in a new window

Popular airlines from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH)

Cheap Flights from Portland to Houston (PWM-IAH)

Prices were available within the past 7 days and start at $126 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Dec 8 - Fri, Dec 12
PWM
Portland
IAH
Houston
$259 Roundtrip, found 8 hours ago
$259
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Dec 8 from Portland to Houston, returning Fri, Dec 12, priced at $259 found 8 hours ago
Delta
Mon, Dec 8 - Fri, Dec 12
PWM
Portland
IAH
Houston
$259 Roundtrip, found 8 hours ago
$259
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Dec 8 from Portland to Houston, returning Fri, Dec 12, priced at $259 found 8 hours ago
United
Sat, Sep 5 - Sun, Sep 13
PWM
Portland
IAH
Houston
$259 Roundtrip, found 20 hours ago
$259
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Sep 5 from Portland to Houston, returning Sun, Sep 13, priced at $259 found 20 hours ago
American Airlines
Sun, Feb 1 - Mon, Feb 16
PWM
Portland
IAH
Houston
$261 Roundtrip, found 3 hours ago
$261
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sun, Feb 1 from Portland to Houston, returning Mon, Feb 16, priced at $261 found 3 hours ago
Delta
Mon, Dec 8 - Fri, Dec 12
PWM
Portland
IAH
Houston
$263 Roundtrip, found 8 hours ago
$263
Roundtrip
found 8 hours ago
Select Delta flight, departing Mon, Dec 8 from Portland to Houston, returning Fri, Dec 12, priced at $263 found 8 hours ago
American Airlines
Mon, Dec 8 - Sat, Dec 13
PWM
Portland
IAH
Houston
$264 Roundtrip, found 8 hours ago
$264
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Mon, Dec 8 from Portland to Houston, returning Sat, Dec 13, priced at $264 found 8 hours ago
Delta
Mon, Jan 12 - Wed, Jan 14
PWM
Portland
IAH
Houston
$266 Roundtrip, found 4 days ago
$266
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 12 from Portland to Houston, returning Wed, Jan 14, priced at $266 found 4 days ago
Delta
Mon, Jan 12 - Fri, Jan 23
PWM
Portland
IAH
Houston
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Jan 12 from Portland to Houston, returning Fri, Jan 23, priced at $269 found 1 day ago
United
Wed, Nov 26 - Tue, Dec 2
PWM
Portland
IAH
Houston
$275 Roundtrip, just found
$275
Roundtrip
just found
Select United flight, departing Wed, Nov 26 from Portland to Houston, returning Tue, Dec 2, priced at $275 just found
JetBlue Airways
Tue, Jul 14 - Thu, Aug 6
PWM
Portland
IAH
Houston
$828 Roundtrip, found 4 days ago
$828
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Jul 14 from Portland to Houston, returning Thu, Aug 6, priced at $828 found 4 days ago

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

February is typically the cheapest month to fly

From $194 - $594 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 $389
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $389
Flights from Portland (PWM) to Houston (IAH)
Origin airport
Portland Intl. Jetport
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Roundtrip price
$258
Distance
1664 mi

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 $126 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.

 

Frequently asked questions

How much does a flight from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH) cost?
Grab a cheap one-way flight from $126 or cheap return flight from $259 from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between PWM and IAH. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from PWM to IAH. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH)?
Direct flights from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PWM to IAH?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH)?
Opt for a flight from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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.
Is it cheaper to buy a plane ticket from Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute bookings from PWM to IAH are usually more expensive. For the lowest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, you may score a cheap ticket just before your departure.
Is it cheaper to book a PWM to IAH flight and hotel package?
Securing a PWM to IAH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of stays and then add car rentals, flights and activities 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 Portland Intl. Jetport Airport (PWM) to George Bush Intercontinental Airport (IAH)?
If you booked your PWM to IAH flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.