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

$102+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAH
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 May or August, booked 66 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap 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 junio 12, 2025.

Round-trip from

$196
(Cheapflightsfares)

One-way from

$102
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$417

Good round-trip deal

$422 or less

Good one-way deal

$183 or less
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. 7% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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

Find 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 junio 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/93:10 pmPDX - IAH
1 stop12h 45mSpirit Airlines
mié. 7/166:14 amIAH - PDX
1 stop10h 01mSpirit Airlines
Deal found 6/12$196
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/136:20 amPDX - IAH
1 stop9h 13mDelta
jue. 8/141:07 pmIAH - PDX
1 stop7h 56mDelta
Deal found 6/12$209
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2110:33 amPDX - IAH
Nonstop4h 21mAlaska Airlines
dom. 8/245:59 pmIAH - PDX
Nonstop4h 26mAlaska Airlines
Deal found 6/10$217
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/41:45 pmPDX - IAH
1 stop6h 26mUnited Airlines
dom. 9/147:55 pmIAH - PDX
Nonstop4h 30mUnited Airlines
Deal found 6/12$223
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/211:24 pmPDX - IAH
1 stop8h 42mHawaiian Airlines
lun. 8/255:59 pmIAH - PDX
Nonstop4h 26mHawaiian Airlines
Deal found 6/10$227
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/112:12 pmPDX - IAH
1 stop9h 06mMultiple Airlines
sáb. 7/57:00 amIAH - PDX
1 stop6h 30mMultiple Airlines
Deal found 6/10$232
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/286:53 pmPDX - IAH
1 stop13h 15mFrontier
sáb. 7/57:00 amIAH - PDX
1 stop6h 30mFrontier
Deal found 6/10$260
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/245:34 amPDX - IAH
1 stop8h 10mAmerican Airlines
lun. 9/15:00 amIAH - PDX
1 stop7h 43mAmerican Airlines
Deal found 6/10$267

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 junio 12, 2025.
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

mié. 7/9

3:10 pm-5:55 am

1 stop12h 45m

Houston George Bush Intcntl

mié. 7/16

6:14 am-2:15 pm

1 stop10h 01m

$196

PortlandHouston

PDX - IAH

PDXIAH

Portland

mié. 8/13

6:20 am-5:33 pm

1 stop9h 13m

Houston George Bush Intcntl

jue. 8/14

1:07 pm-7:03 pm

1 stop7h 56m

$209

PortlandHouston

PDX - IAH

PDXIAH

Portland

jue. 8/21

10:33 am-4:54 pm

Nonstop4h 21m

Houston George Bush Intcntl

mar. 8/26

5:59 pm-8:25 pm

Nonstop4h 26m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

jue. 9/4

10:51 am-8:45 pm

1 stop7h 54m

Houston George Bush Intcntl

lun. 9/15

7:55 pm-10:25 pm

Nonstop4h 30m

$223

PortlandHouston

PDX - IAH

PDXIAH

Portland

mar. 7/1

12:12 pm-11:18 pm

1 stop9h 06m

Houston George Bush Intcntl

sáb. 7/5

7:00 am-11:30 am

1 stop6h 30m

$232

PortlandHouston

PDX - IAH

PDXIAH

Portland

dom. 8/3

10:30 am-4:50 pm

Nonstop4h 20m

Houston George Bush Intcntl

mar. 8/12

5:50 pm-8:15 pm

Nonstop4h 25m

$248

PortlandHouston

PDX - IAH

PDXIAH

Portland

sáb. 6/28

6:53 pm-10:08 am

1 stop13h 15m

Houston George Bush Intcntl

sáb. 7/5

7:00 am-11:30 am

1 stop6h 30m

$260

PortlandHouston

PDX - IAH

PDXIAH

Portland

dom. 8/24

5:34 am-3:44 pm

1 stop8h 10m

Houston George Bush Intcntl

lun. 9/1

5:00 am-10:43 am

1 stop7h 43m

$267

PortlandHouston

PDX - IAH

PDXIAH

Portland

mié. 9/3

2:35 pm-12:07 am

1 stop7h 32m

$102

PortlandHouston

PDX - IAH

PDXIAH

Portland

mar. 8/19

10:30 am-4:50 pm

Nonstop4h 20m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 16 results
1
2

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Portland to Houston George Bush Intcntl Airport trip
Airports
PDX

Expect security wait times up to 15 minutes off-peak, longer during rush hours. Use Express Lanes if eligible for faster screening.

Read more about PDXby Brandon Schultz
IAH

For a quick trip to downtown Houston, Uber or Lyft is recommended, taking around 25 minutes from IAH.

Read more about IAHby Evie Carrick
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

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

Brandon Schultz

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

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 June 9, 2025.

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, August is the cheapest month in which you can book a flight from Portland to Houston George Bush Intcntl Airport (average of $241). Flying from Portland to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 junio 12, 2025.

When flying from Portland to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 42% versus a flight in the evening.

What is the cheapest day to fly from Portland to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from Portland to George Bush Intcntl. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Portland to Houston George Bush Intcntl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portland to Houston George Bush Intcntl Airport

Explore weekly flight availability from Portland to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from PDX to IAH are scheduled on a Thursday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 junio 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Portland to Houston. 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
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 5 daily outbound flights to Houston George Bush Intcntl from 7 different airlines.

  • 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 $196. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $209 and $217, respectively. Users have found that Spirit Airlines is 51% 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 $102 on Spirit Airlines. Other airlines that offer cheap prices include Alaska Airlines from $109 and United Airlines from $114 one-way.

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

    Consider Turkish Airlines (93%), Qatar Airways (89%) or Alaska Airlines (89%) 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 $128. While the most popular route (Portland - Houston George Bush Intcntl) can be booked for $176 on average our data indicates $977 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, August is the cheapest month in which you can book a flight from Portland to Houston George Bush Intcntl Airport (average of $241). Flying from Portland to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 Portland?

Book flights to Portland if you plan to visit one of these locations
Montgomery
Humble
Conroe
Spring
The Woodlands
Tomball
Katy
Jersey Village

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$67Average$423FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$100Average$167FlexibilityNo cancel feeOn-time65%
FrontierCheapest$133Average$252FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$314FlexibilityNo cancel feeOn-time85%
DeltaCheapest$216Average$308FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$269Average$438FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$278Average$390FlexibilityNo 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.