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George Bush Intcntl

$78+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — IAH
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Find cheap flights from Portland to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

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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 March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/232:54 pm
PDX
-
IAH
2 stops31h 54m
Frontier
Tue 4/287:45 am
IAH
-
PDX
1 stop30h 07m
Frontier
Deal found 3/6$220
This CheapOair deal was found by Cheapflights users on 3/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:58 am
PDX
-
IAH
1 stop10h 50m
Frontier
Sun 5/39:34 am
IAH
-
PDX
1 stop27h 29m
Frontier
Deal found 3/6$222
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Tue 5/51:48 pm
PDX
-
IAH
1 stop9h 00m
Frontier
Sun 5/105:49 pm
IAH
-
PDX
2 stops45h 13m
Frontier
Deal found 3/8$223
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:54 pm
PDX
-
IAH
2 stops16h 50m
Frontier
Sat 4/257:15 am
IAH
-
PDX
1 stop29h 05m
Frontier
Deal found 3/9$227
This Expedia deal was found by Cheapflights users on 3/9. 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.
Tue 4/2812:38 pm
PDX
-
IAH
1 stop9h 18m
Multiple Airlines
Sat 5/26:18 pm
IAH
-
PDX
Nonstop4h 32m
Multiple Airlines
Deal found 3/9$229
This CheapOair deal was found by Cheapflights users on 3/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:48 pm
PDX
-
IAH
1 stop23h 19m
Frontier
Tue 5/265:09 pm
IAH
-
PDX
1 stop20h 04m
Frontier
Deal found 3/7$231
This Frontier deal was found by Cheapflights users on 3/6. 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.
Mon 5/1811:48 am
PDX
-
IAH
1 stop11h 00m
Frontier
Wed 5/276:15 am
IAH
-
PDX
1 stop6h 58m
Frontier
Deal found 3/6$232
This Expedia deal was found by Cheapflights users on 3/8. 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.
Tue 5/510:52 am
PDX
-
IAH
Nonstop4h 26m
Multiple Airlines
Sun 5/106:45 am
IAH
-
PDX
1 stop6h 18m
Multiple Airlines
Deal found 3/8$234
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 4/2510:52 am
PDX
-
IAH
Nonstop4h 26m
Alaska Airlines
Tue 4/286:18 pm
IAH
-
PDX
Nonstop4h 32m
Alaska Airlines
Deal found 3/8$237
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:27 pm
PDX
-
IAH
1 stop18h 22m
Frontier
Sun 4/265:43 pm
IAH
-
PDX
2 stops44h 09m
Frontier
Deal found 3/9$238
This Frontier deal was found by Cheapflights users on 3/7. 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.
Sun 4/199:54 am
PDX
-
IAH
1 stop7h 07m
Frontier
Thu 4/236:45 am
IAH
-
PDX
1 stop6h 18m
Frontier
Deal found 3/7$240

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$220
(Kiwi.com)

One-way from

$78
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$393

Good round-trip deal

$324 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Portland-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for Portland-Houston George Bush Intcntl flights.
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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. 5% potential increase in price ($18 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 March 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 March 10, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 5/6

10:52 am-5:18 pm

Nonstop4h 26m

Houston George Bush Intcntl

Mon 5/11

6:18 pm-8:50 pm

Nonstop4h 32m

$267

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 4/28

7:05 am-9:34 pm

2 stops12h 29m

Houston George Bush Intcntl

Sun 5/3

6:35 am-12:08 pm

1 stop7h 33m

$292

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 5/5

12:30 am-2:55 pm

2 stops12h 25m

Houston George Bush Intcntl

Mon 5/11

6:15 am-12:28 pm

1 stop8h 13m

$292

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 5/6

1:52 pm-5:16 am

1 stop13h 24m

Houston George Bush Intcntl

Thu 5/7

6:18 pm-8:50 pm

Nonstop4h 32m

$297

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 5/5

12:30 am-2:55 pm

2 stops12h 25m

Houston George Bush Intcntl

Thu 5/7

6:15 am-12:28 pm

1 stop8h 13m

$302

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 3/30

8:05 pm-10:10 am

2 stops12h 05m

Houston George Bush Intcntl

Thu 4/2

6:45 am-12:14 pm

1 stop7h 29m

$322

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 5/1

10:42 am-11:48 pm

2 stops11h 06m

Houston George Bush Intcntl

Mon 5/4

4:00 pm-11:53 pm

2 stops9h 53m

$327

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 4/30

7:32 pm-9:51 am

2 stops12h 19m

Houston George Bush Intcntl

Sun 5/3

6:35 am-12:08 pm

1 stop7h 33m

$342

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 6/17

11:59 pm-6:05 am

Nonstop4h 06m

Houston George Bush Intcntl

Sat 6/20

6:30 am-1:06 pm

1 stop8h 36m

$347
Cheapest one-way

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 4/4

1:55 pm-8:15 pm

Nonstop4h 20m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 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 March 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 March is currently the most expensive (average of $241). 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 March 10, 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.

How much does it cost to fly round-trip from Portland to Houston George Bush Intcntl Airport?

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 March 10, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian 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
12,018 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

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
12,018 reviews
Alaska Airlines
8.0
Very good
12,018 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

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
8,276 reviews
Alaska Airlines
8.0
Very good
12,018 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

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
2,837 reviews
Alaska Airlines
8.0
Very good
12,018 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

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
9,409 reviews
Alaska Airlines
8.0
Very good
12,018 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Frontier
5.7
Fair
3,033 reviews
Alaska Airlines
8.0
Very good
12,018 reviews

Food

7.1

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Overall

8.0

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 6 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 $70. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Delta, with the lowest prices starting at $98 and $108, respectively. Users have found that Spirit Airlines is 79% 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 $87 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $95 and Delta from $98 one-way.

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

    Consider United Airlines (94%), Alaska Airlines (94%) or Turkish Airlines (92%) 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 $118. While the most popular route (Portland - Houston George Bush Intcntl) can be booked for $203 on average, our data indicates $653 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 March is currently the most expensive (average of $241). 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
Katy
The Woodlands
Montgomery
Spring
Tomball
Humble
Jersey Village
Cypress
Conroe

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Alternative routes for Portland to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Hobby flights
Boise to Hobby flights
Boise to George Bush Intcntl flights
Eugene to Hobby flights
Eugene to George Bush Intcntl flights
Medford to Hobby flights
Medford to George Bush Intcntl flights

Top 6 airlines flying from Portland to George Bush Intcntl

Discover the top 6 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$70Average$130FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$98Average$257FlexibilityNo cancel feeOn-time85%
DeltaCheapest$108Average$296FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$145Average$298FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$177Average$311FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$203Average$377FlexibilityNo cancel feeOn-time69%

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