$129 Cheap Flights from Houston (IAH) to Portland (PWM)

View $129 flight on Mon, Jul 28, 2025Opens in a new window

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

  • 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 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.

Cheap Flights from Houston to Portland (IAH-PWM)

Prices were available within the past 7 days and start at $129 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, May 13 - Mon, Jun 2
IAH
Houston
PWM
Portland
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, May 13 from Houston to Portland, returning Mon, Jun 2, priced at $241 found 2 days ago
Frontier Airlines
Wed, May 14 - Fri, May 16
IAH
Houston
PWM
Portland
$250 Roundtrip, found 19 hours ago
$250
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Wed, May 14 from Houston to Portland, returning Fri, May 16, priced at $250 found 19 hours ago
United
Wed, Sep 3 - Tue, Sep 9
IAH
Houston
PWM
Portland
$252 Roundtrip, found 5 hours ago
$252
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Sep 3 from Houston to Portland, returning Tue, Sep 9, priced at $252 found 5 hours ago
Delta
Wed, Sep 3 - Tue, Sep 9
IAH
Houston
PWM
Portland
$256 Roundtrip, found 5 hours ago
$256
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Sep 3 from Houston to Portland, returning Tue, Sep 9, priced at $256 found 5 hours ago
Delta
Tue, Aug 19 - Thu, Sep 4
IAH
Houston
PWM
Portland
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Delta flight, departing Tue, Aug 19 from Houston to Portland, returning Thu, Sep 4, priced at $257 just found
American Airlines
Thu, Aug 14 - Mon, Aug 18
IAH
Houston
PWM
Portland
$257 Roundtrip, just found
$257
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 14 from Houston to Portland, returning Mon, Aug 18, priced at $257 just found
American Airlines
Thu, Aug 14 - Mon, Aug 18
IAH
Houston
PWM
Portland
$259 Roundtrip, just found
$259
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 14 from Houston to Portland, returning Mon, Aug 18, priced at $259 just found
Frontier Airlines
Sun, May 11 - Fri, May 16
IAH
Houston
PWM
Portland
$260 Roundtrip, found 19 hours ago
$260
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sun, May 11 from Houston to Portland, returning Fri, May 16, priced at $260 found 19 hours ago
Delta
Sat, Jun 7 - Thu, Jun 12
IAH
Houston
PWM
Portland
$262 Roundtrip, found 4 hours ago
$262
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Jun 7 from Houston to Portland, returning Thu, Jun 12, priced at $262 found 4 hours ago
Delta
Sat, Oct 4 - Tue, Oct 7
IAH
Houston
PWM
Portland
$264 Roundtrip, found 7 hours ago
$264
Roundtrip
found 7 hours ago
Select Delta flight, departing Sat, Oct 4 from Houston to Portland, returning Tue, Oct 7, priced at $264 found 7 hours ago
Flights from Houston (IAH) to Portland (PWM)
Origin airport
George Bush Intercontinental
Destination airport
Portland Intl. Jetport
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Roundtrip price
$240
Distance
1664 mi

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 May. 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 $129 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. Jetport Airport (PWM) cost?
Discover the latest flight deals from IAH to PWM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from IAH to PWM?
The cheapest flights from IAH to PWM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from IAH to PWM?
Right now, the cheapest airline offering one-way flights from IAH to PWM is United. You can jet off on this route from $910. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAH on June 28 2025. Prices were last updated on April 19 2025 and have not changed since.
How many flights per day from George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM)?
You’ll have to catch a flight with a layover if you’re traveling from George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM). Direct flights don’t operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from IAH to PWM?
You’ll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM)?
To arrive at Portland Intl. Jetport Airport (PWM) on schedule, pick a flight that leaves from George Bush Intercontinental Airport (IAH) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM) last-minute?
Holding off until just before your departure to book your flight from IAH to PWM generally means paying more. While it’s possible to find some last-minute discounts, there’s no guarantee. Be flexible with your itinerary for the best chance of snagging a bargain.
Is it cheaper to book an IAH to PWM flight and hotel package?
You’ll typically save money by securing an IAH to PWM flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one place. Once you’ve selected your preferred accommodations and flights, consider adding extras including tours, car rentals and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Portland Intl. Jetport Airport (PWM)?
If you booked your IAH to PWM flight within the last 24 hours, you may be able to modify or cancel it without any 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, go to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.