HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$94+ Cheap flights from Portland (PDX) to George Bush Intcntl (IAH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAH
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Portland to Houston George Bush Intcntl are usually found in September or January, booked 66 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Portland to George Bush Intcntl

Cheapest flights from Portland to George Bush Intcntl
Explore the most affordable flight options available from Portland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Expedia deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:00 am
PDX
-
IAH
Nonstop4h 27m
Multiple Airlines
Wed 4/157:45 am
IAH
-
PDX
1 stop7h 17m
Multiple Airlines
Deal found 2/10$214
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/161:55 pm
PDX
-
IAH
Nonstop4h 18m
United Airlines
Wed 4/299:55 am
IAH
-
PDX
Nonstop4h 39m
United Airlines
Deal found 2/9$215
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:04 pm
PDX
-
IAH
1 stop10h 35m
Multiple Airlines
Wed 3/119:18 pm
IAH
-
PDX
1 stop13h 40m
Multiple Airlines
Deal found 2/10$216
This Alaska Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:52 am
PDX
-
IAH
Nonstop4h 26m
Alaska Airlines
Fri 5/16:18 pm
IAH
-
PDX
Nonstop4h 32m
Alaska Airlines
Deal found 2/12$217
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:48 am
PDX
-
IAH
1 stop11h 00m
Multiple Airlines
Wed 4/296:18 pm
IAH
-
PDX
Nonstop4h 32m
Multiple Airlines
Deal found 2/9$219
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2412:30 am
PDX
-
IAH
2 stops12h 25m
Delta
Sat 5/26:37 am
IAH
-
PDX
1 stop7h 29m
Delta
Deal found 2/11$222
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:52 pm
PDX
-
IAH
2 stops9h 43m
Multiple Airlines
Wed 4/297:45 am
IAH
-
PDX
1 stop7h 17m
Multiple Airlines
Deal found 2/12$225
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:48 am
PDX
-
IAH
1 stop11h 00m
Multiple Airlines
Sat 5/29:33 pm
IAH
-
PDX
2 stops16h 24m
Multiple Airlines
Deal found 2/12$226
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:09 pm
PDX
-
IAH
1 stop10h 02m
Delta
Wed 3/116:30 am
IAH
-
PDX
1 stop8h 18m
Delta
Deal found 2/10$227
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:04 pm
PDX
-
IAH
1 stop10h 35m
Multiple Airlines
Wed 3/119:18 pm
IAH
-
PDX
1 stop13h 40m
Multiple Airlines
Deal found 2/12$230
This WAYA deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:04 pm
PDX
-
IAH
1 stop7h 57m
Multiple Airlines
Tue 3/105:33 pm
IAH
-
PDX
Nonstop4h 30m
Multiple Airlines
Deal found 2/11$232
This Priceline deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:43 am
PDX
-
IAH
1 stop10h 11m
Frontier
Thu 3/126:45 am
IAH
-
PDX
1 stop6h 24m
Frontier
Deal found 2/11$234

Find flight deals from Portland to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$214
(Expedia)

One-way from

$94
(Super.com)

Popular in

June

Cheapest in

September

Average price

$365

Good round-trip deal

$320 or less

Good one-way deal

$170 or less
Provider with most accurate pricing for Portland-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Houston George Bush Intcntl flights.
Search Deals
From Portland to Houston George Bush Intcntl
Search Deals
One-way flight from Portland to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Portland to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Portland to Houston George Bush Intcntl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Portland to Houston George Bush Intcntl Airport that are best for you.

Fly from

Portland

Fly to

George Bush Intcntl

Route

Depart

Return

Price

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 3/4

10:05 am-5:38 pm

1 stop5h 33m

Houston George Bush Intcntl

Wed 3/11

6:30 am-12:48 pm

1 stop8h 18m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 4/25

10:52 am-5:18 pm

Nonstop4h 26m

Houston George Bush Intcntl

Wed 4/29

7:00 am-12:52 pm

1 stop7h 52m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 4/23

10:52 am-5:18 pm

Nonstop4h 26m

Houston George Bush Intcntl

Fri 5/1

6:18 pm-8:50 pm

Nonstop4h 32m

$237

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 4/24

10:52 am-5:18 pm

Nonstop4h 26m

Houston George Bush Intcntl

Fri 5/1

6:18 pm-8:50 pm

Nonstop4h 32m

$237

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 4/20

7:00 am-1:27 pm

Nonstop4h 27m

Houston George Bush Intcntl

Thu 4/30

6:18 pm-8:50 pm

Nonstop4h 32m

$237

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 3/10

7:00 am-1:09 pm

Nonstop4h 09m

Houston George Bush Intcntl

Sun 3/15

8:20 pm-11:11 pm

Nonstop4h 51m

$242

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 4/15

6:30 am-9:34 pm

2 stops13h 04m

Houston George Bush Intcntl

Thu 4/16

7:45 am-5:10 pm

2 stops11h 25m

$247

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 4/25

10:52 am-5:18 pm

Nonstop4h 26m

Houston George Bush Intcntl

Tue 4/28

7:00 am-12:52 pm

1 stop7h 52m

$247

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 5/20

7:02 am-1:33 pm

Nonstop4h 31m

Houston George Bush Intcntl

Sun 5/24

6:18 pm-8:50 pm

Nonstop4h 32m

$247

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 3/17

11:59 pm-10:38 am

1 stop8h 39m

Houston George Bush Intcntl

Sun 3/22

5:00 am-9:54 am

1 stop6h 54m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Portland to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to George Bush Intcntl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Houston George Bush Intcntl Airport

How far ahead should I book a flight from Portland to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Portland to George Bush Intcntl. Price data was last updated on February 6, 2026.

The price you pay for your flight from Portland to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Houston George Bush Intcntl Airport?

Currently, June is the cheapest month in which you can book a flight from Portland to Houston George Bush Intcntl Airport (average of $67). Flying from Portland to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to IAH?

Find hourly flight availability from Portland to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 13, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portland to Houston George Bush Intcntl Airport as you normally would.

The best insider tips for Portland to Houston George Bush Intcntl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Portland to Houston George Bush Intcntl Airport trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Brandon Schultz

Brandon Schultz

Expert on PDX

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated February 13, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Portland to Houston George Bush Intcntl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,878 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very good
11,878 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Delta
7.9
Good
8,196 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Hawaiian Airlines
7.8
Good
2,833 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,285 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Spirit Airlines
6.3
Okay
8,450 reviews
Alaska Airlines
8.0
Very good
11,878 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Portland to George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Houston George Bush Intcntl?

    Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Houston George Bush Intcntl from Portland. Booking flights from Portland (PDX) to Houston George Bush Intcntl should be relatively easy as there are 3 daily outbound flights to Houston George Bush Intcntl from 7 different airlines.

  • How long is the flight from Portland to Houston George Bush Intcntl Airport?

    Departing from Portland to Houston George Bush Intcntl Airport will take you 4h 26m. Airlines will cover a distance of 1821 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Portland to Houston George Bush Intcntl Airport round-trip?

    Flying on Spirit Airlines is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $60. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Frontier, with the lowest prices starting at $98 and $145, respectively. Users have found that Spirit Airlines is 82% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Portland to Houston George Bush Intcntl Airport one-way?

    One-way options have recently been found by users for as low as $57 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $98 and Alaska Airlines from $98 one-way.

  • What are the most reliable airlines from Portland to Houston George Bush Intcntl Airport?

    Consider Turkish Airlines (97%), United Airlines (93%) or Alaska Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Portland to Houston George Bush Intcntl Airport.

  • What are the cheapest flights from Portland to Houston George Bush Intcntl Airport?

    Looking at all options, your cheapest flight can be booked for $120. While the most popular route (Portland - Houston George Bush Intcntl) can be booked for $151 on average, our data indicates $869 when flying from Portland to Houston George Bush Intcntl Airport.

  • Can I find deals for flights from Portland to George Bush Intcntl that include hotel bookings?

    Yes. In addition to deals on Portland to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to George Bush Intcntl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to George Bush Intcntl.

  • Can I find deals for business class flights from Portland to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Portland to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Houston George Bush Intcntl Airport?

    Currently, June is the cheapest month in which you can book a flight from Portland to Houston George Bush Intcntl Airport (average of $67). Flying from Portland to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $237). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
The Woodlands
Spring
Katy
Tomball
Humble
Conroe
Jersey Village
Cypress

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Portland to George Bush Intcntl

Discover the top 7 airlines that operate flights from Portland to George Bush Intcntl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$60Average$130FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$297FlexibilityNo cancel feeOn-time85%
FrontierCheapest$145Average$252FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$177Average$315FlexibilityNo cancel feeOn-time75%
DeltaCheapest$190Average$296FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$206Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$236Average$448FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights