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£129 Cheap Flights from Portland (PDX) to Houston (IAH)

View £129 flight on Tue, 1 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £129 for one-way flights and £250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, 22 Sept - Tue, 29 Sept
PDX
Portland
IAH
Houston
£250 Return, found 12 hours ago
£250
Return
found 12 hours ago
Select Alaska Airlines flight, departing Tue, 22 Sept from Portland to Houston, returning Tue, 29 Sept, priced at £250 found 12 hours ago
Alaska Airlines
Tue, 22 Sept - Tue, 29 Sept
PDX
Portland
IAH
Houston
£257 Return, found 12 hours ago
£257
Return
found 12 hours ago
Select Alaska Airlines flight, departing Tue, 22 Sept from Portland to Houston, returning Tue, 29 Sept, priced at £257 found 12 hours ago
Alaska Airlines
Tue, 22 Sept - Tue, 29 Sept
PDX
Portland
IAH
Houston
£266 Return, found 12 hours ago
£266
Return
found 12 hours ago
Select Alaska Airlines flight, departing Tue, 22 Sept from Portland to Houston, returning Tue, 29 Sept, priced at £266 found 12 hours ago
Alaska Airlines
Thu, 10 Sept - Wed, 16 Sept
PDX
Portland
IAH
Houston
£273 Return, found 22 hours ago
£273
Return
found 22 hours ago
Select Alaska Airlines flight, departing Thu, 10 Sept from Portland to Houston, returning Wed, 16 Sept, priced at £273 found 22 hours ago
Alaska Airlines
Thu, 10 Sept - Wed, 16 Sept
PDX
Portland
IAH
Houston
£280 Return, found 22 hours ago
£280
Return
found 22 hours ago
Select Alaska Airlines flight, departing Thu, 10 Sept from Portland to Houston, returning Wed, 16 Sept, priced at £280 found 22 hours ago
Alaska Airlines
Thu, 10 Sept - Wed, 16 Sept
PDX
Portland
IAH
Houston
£287 Return, found 22 hours ago
£287
Return
found 22 hours ago
Select Alaska Airlines flight, departing Thu, 10 Sept from Portland to Houston, returning Wed, 16 Sept, priced at £287 found 22 hours ago
Alaska Airlines
Thu, 12 Nov - Thu, 19 Nov
PDX
Portland
IAH
Houston
£295 Return, found 23 hours ago
£295
Return
found 23 hours ago
Select Alaska Airlines flight, departing Thu, 12 Nov from Portland to Houston, returning Thu, 19 Nov, priced at £295 found 23 hours ago
Alaska Airlines
Tue, 22 Sept - Tue, 29 Sept
PDX
Portland
IAH
Houston
£302 Return, found 12 hours ago
£302
Return
found 12 hours ago
Select Alaska Airlines flight, departing Tue, 22 Sept from Portland to Houston, returning Tue, 29 Sept, priced at £302 found 12 hours ago
Alaska Airlines
Wed, 18 Nov - Wed, 25 Nov
PDX
Portland
IAH
Houston
£306 Return, found 23 hours ago
£306
Return
found 23 hours ago
Select Alaska Airlines flight, departing Wed, 18 Nov from Portland to Houston, returning Wed, 25 Nov, priced at £306 found 23 hours ago
Alaska Airlines
Tue, 22 Sept - Tue, 29 Sept
PDX
Portland
IAH
Houston
£310 Return, found 12 hours ago
£310
Return
found 12 hours ago
Select Alaska Airlines flight, departing Tue, 22 Sept from Portland to Houston, returning Tue, 29 Sept, priced at £310 found 12 hours ago

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

October is typically the cheapest month to fly

From £166 - £243 per traveller.

Frequently asked questions

How much does a flight from Portland, OR (PDX-Portland Intl.) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find one-way and return flights from PDX to IAH with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when PDX to IAH ticket fares go up or down.
What is the cheapest month to fly from Portland, OR (PDX) to Houston, TX (IAH)?
The cheapest months to fly from Portland, OR (PDX) to Houston, TX (IAH) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Portland, OR (PDX) to Houston, TX (IAH)?
Enter PDX to IAH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Portland, OR (PDX-Portland Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
United is one of the cheapest airlines offering nonstop return flights from Portland, OR (PDX-Portland Intl.) to Houston, TX (IAH-George Bush Intercontinental), with prices starting from around £116 for flights that can be booked for departure within the next year. JetBlue Airways offers one of the cheapest connecting return flights on this route, with prices starting from around £326. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Portland, OR (PDX) to Houston, TX (IAH)?
To find a cheap flight from Portland, OR (PDX) to Houston, TX (IAH), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, OR (PDX-Portland Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The best time to fly from Portland, OR (PDX-Portland Intl.) to Houston, TX (IAH-George Bush Intercontinental) is typically September or October. These months offer a great balance, with return flights averaging around £210.
What is the earliest flight from Portland, OR (PDX) to Houston, TX (IAH)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Portland, OR (PDX) to Houston, TX (IAH). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Portland, OR (PDX-Portland Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
A nonstop flight from PDX to IAH typically takes around 4 hours 20 minutes, covering approximately 2,932 kilometers. Connecting flights on this route usually add 4 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, OR (PDX) to Houston, TX (IAH)?
Select the "Business class" and "First class" filters when looking for Portland, OR (PDX) to Houston, TX (IAH) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, OR (PDX) to Houston, TX (IAH) flight with Expedia?
It's easy to earn miles on a Portland, OR (PDX) to Houston, TX (IAH) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Portland, OR (PDX) to Houston, TX (IAH) at the last minute?
Typically, booking a last minute flight from Portland, OR (PDX) to Houston, TX (IAH) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, OR (PDX) to Houston, TX (IAH) flight and hotel package?
Securing a Portland, OR (PDX) to Houston, TX (IAH) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, OR (PDX) to Houston, TX (IAH)?
If you booked your Portland, OR (PDX) to Houston, TX (IAH) flight within 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 have, 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 if you'd like more information.

Travel information

Origin airport
Portland Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines
Return price
£250
Distance
2915 km
Average flight time
6 hours 18 mins

Book with confidence

Compare flights from Portland to Houston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to Houston. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to George Bush Intercontinental in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. to George Bush Intercontinental.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Portland Intl. (PDX) to George Bush Intercontinental (IAH)

The easiest way to view the best deals on flights from Portland to Houston today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. to George Bush Intercontinental start at just £250 and range up to £10,942.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Portland and Houston
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Portland to Houston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. to George Bush Intercontinental for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Portland to Houston easily and book with confidence

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*Available to Expedia members.