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$76+ Cheap flights from Portland (PDX) to Houston

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HOU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Houston are usually found in August or June, booked 76 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Portland to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Houston (HO1). 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 September 17, 2025.

Round-trip from

$177
(CheapOair)

One-way from

$76
(Kissandfly.com)

Popular in

December

Cheapest in

August

Average price

$338
From Portland to Houston
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One-way flight from Portland to Houston
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Highest demand for flights based on searches. 8% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Portland to Houston

Cheapest flights from Portland to Houston
Explore the most affordable flight options available from Portland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/710:38 amPDX - IAH
Nonstop4h 02mAlaska Airlines
Wed 10/225:45 pmIAH - PDX
Nonstop4h 26mAlaska Airlines
Deal found 9/15$177
This Priceline deal was found by Cheapflights users on 9/17. 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.
Thu 10/912:43 pmPDX - IAH
1 stop8h 53mFrontier
Mon 10/206:00 amIAH - PDX
1 stop7h 48mFrontier
Deal found 9/17$178
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/1611:55 pmPDX - IAH
Nonstop4h 11mUnited Airlines
Thu 10/237:59 pmIAH - PDX
Nonstop4h 28mUnited Airlines
Deal found 9/16$179
This CheapOair deal was found by Cheapflights users on 9/15. 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 10/1412:43 pmPDX - IAH
1 stop19h 46mFrontier
Tue 10/2111:36 amIAH - PDX
1 stop26h 12mFrontier
Deal found 9/15$181
This Southwest deal was found by Cheapflights users on 9/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:30 amPDX - HOU
1 stop6h 55mSouthwest
Mon 12/86:20 amHOU - PDX
1 stop6h 30mSouthwest
Deal found 9/16$181
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 10/211:44 pmPDX - IAH
1 stop6h 24mUnited Airlines
Sat 10/254:58 pmIAH - PDX
Nonstop4h 28mUnited Airlines
Deal found 9/15$183
This CheapOair deal was found by Cheapflights users on 9/16. 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 10/1412:43 pmPDX - IAH
1 stop19h 46mFrontier
Thu 10/164:29 pmIAH - PDX
1 stop20h 29mFrontier
Deal found 9/16$185
This Priceline deal was found by Cheapflights users on 9/15. 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.
Fri 10/1712:43 pmPDX - IAH
1 stop8h 53mFrontier
Sat 10/257:00 amIAH - PDX
1 stop6h 48mFrontier
Deal found 9/15$186
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/311:15 pmPDX - IAH
Nonstop4h 05mUnited Airlines
Wed 11/58:00 pmIAH - PDX
Nonstop4h 45mUnited Airlines
Deal found 9/15$187
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Mon 10/2012:43 pmPDX - IAH
1 stop19h 46mFrontier
Thu 10/2311:36 amIAH - PDX
1 stop26h 12mFrontier
Deal found 9/15$189
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Fri 10/1712:43 pmPDX - IAH
1 stop8h 53mFrontier
Sun 10/194:24 pmIAH - PDX
1 stop20h 34mFrontier
Deal found 9/15$190
This Delta deal was found by Cheapflights users on 9/16. 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.
Wed 11/511:10 amPDX - IAH
2 stops9h 44mDelta
Tue 11/1111:46 amIAH - PDX
2 stops13h 10mDelta
Deal found 9/16$191

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Houston 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 September 17, 2025.
Use the filters below to find and compare flights from Portland to Houston that are best for you.

Fly from

Portland

Fly to

Houston

Route

Depart

Return

Price

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 10/22

10:38 am-4:40 pm

Nonstop4h 02m

Houston George Bush Intcntl

Fri 10/31

5:51 pm-8:23 pm

Nonstop4h 32m

$187

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 12/6

12:55 pm-7:01 pm

Nonstop4h 06m

Houston George Bush Intcntl

Mon 12/8

8:11 pm-10:57 pm

Nonstop4h 46m

$187

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 10/31

10:47 am-4:50 pm

Nonstop4h 03m

Houston George Bush Intcntl

Mon 11/3

5:51 pm-8:23 pm

Nonstop4h 32m

$197

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 10/20

12:40 am-9:58 am

1 stop7h 18m

Houston George Bush Intcntl

Sat 10/25

7:00 am-4:45 pm

2 stops11h 45m

$202

PortlandHouston

PDX - HOU

PDXHOU

Portland

Tue 12/23

8:35 pm-9:40 am

1 stop11h 05m

Houston Hobby

Tue 1/6

6:15 am-10:50 am

1 stop6h 35m

$202

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 10/7

6:29 am-5:36 pm

2 stops9h 07m

Houston George Bush Intcntl

Wed 10/22

7:40 am-12:20 pm

1 stop6h 40m

$202

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 10/28

12:40 am-11:49 am

1 stop9h 09m

Houston George Bush Intcntl

Wed 11/5

5:30 am-5:27 pm

2 stops13h 57m

$202

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 12/6

1:45 pm-9:39 pm

1 stop5h 54m

Houston George Bush Intcntl

Mon 12/8

4:00 pm-10:57 pm

1 stop8h 57m

$207

PortlandHouston

PDX - HOU

PDXHOU

Portland

Tue 10/21

6:15 am-7:20 pm

2 stops11h 05m

Houston Hobby

Sat 10/25

6:05 am-10:30 am

1 stop6h 25m

$208

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 10/22

6:15 am-7:20 pm

2 stops11h 05m

Houston Hobby

Tue 10/28

5:30 pm-11:45 pm

2 stops8h 15m

$213

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 37 results
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The best insider tips for Portland to Houston 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 trip
Airports
PDX

PDX offers Express Lanes for expedited security, available to first and business class ticket holders and elite status members.

Read more about PDXby Brandon Schultz
IAH

For a quick city transfer, Uber or Lyft from IAH takes about 25 minutes to downtown Houston.

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 Houston

Have a flexible travel schedule? Discover the best time to fly to Houston 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

How far ahead should I book a flight from Portland to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Houston. Price data was last updated on September 12, 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to Houston?

Currently, September is the cheapest month in which you can book a flight from Portland to Houston (average of $230). Flying from Portland to Houston in March is currently the most expensive (average of $330). 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 HOU?

Find hourly flight availability from Portland to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

It’s typically best to fly out from Portland to Houston in the evening. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Portland to Houston?

Use this chart to determine the cheapest time to fly round-trip from Portland to Houston. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated September 17, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines from Portland to Houston 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
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,729 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,173 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Portland to Houston. 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?

    Most people fly from Portland (PDX) if they book a flight from Portland to Houston. On average, Portland has 0 outbound flights to Houston per day from 8 airlines. Portland is conveniently located just 6.0 mi from Portland’s city center.

  • How long is the flight from Portland to Houston?

    A quick flight from Portland to Houston can take about 4h 02m. Alaska Airlines provides one of the quickest options available for as low as $187. The distance from Portland to Houston is about 1821 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland to Houston round-trip?

    Cheapflights users have booked flights from Portland to Houston round-trip from $76. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $125, and Frontier, from $128. Users have found that Spirit Airlines is 79% cheaper than the other options available to this destination.

  • Where are the most common layover locations when flying from Portland to Houston?

    Most of the time, Portland to Houston flights that have layovers will stop in Denver.

  • What are some popular things to do or see while on a layover in Denver?

    If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, 16th Street Mall, or Paramount Theatre. Travelers on a layover in Denver can visit Coors Field, 16th Street Mall, and Paramount Theatre, by traveling 18.4 mi, 18.7 mi, and 18.6 mi, respectively after landing at Denver Intl. Travelers can book a car rental at Denver Intl for about $56 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Portland to Houston flights?

    The least popular layover on flights from Portland to Houston is Dallas.

  • Can I find deals for flights from Portland to Houston that include hotel bookings?

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

  • How can I find direct flights from Portland to Houston?

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

  • Can I find deals for business class flights from Portland to Houston?

    Yes. Cheapflights offers flight deals from Portland to Houston 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?

    Currently, September is the cheapest month in which you can book a flight from Portland to Houston (average of $230). Flying from Portland to Houston in March is currently the most expensive (average of $330). 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

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Alternative routes for Portland to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Portland to Houston

Discover the top 8 airlines that operate flights from Portland to Houston. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$184FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$125Average$285FlexibilityNo cancel feeOn-time85%
FrontierCheapest$128Average$223FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$177Average$338FlexibilityNo cancel feeOn-time75%
DeltaCheapest$206Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$237Average$460FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$435FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$412FlexibilityNo cancel feeOn-time63%

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