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$99+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HOU
May 20 — May 271
Tue 5/20
Tue 5/27
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Houston are usually found in January or May, booked 90 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 May 15, 2025.

Round-trip from

$192
(CheapOair)

One-way from

$99
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$333
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. 4% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 15, 2025.

This CheapOair deal was found by Cheapflights users on 5/15. 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 6/65:50 pmPDX - IAH
1 stop27h 53mFrontier
Fri 6/1310:04 pmIAH - PDX
1 stop15h 19mFrontier
Deal found 5/15$192
This CheapOair deal was found by Cheapflights users on 5/15. 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 6/31:37 pmPDX - IAH
1 stop13h 54mMultiple Airlines
Sat 6/79:59 pmIAH - PDX
1 stop28h 20mMultiple Airlines
Deal found 5/15$194
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:12 pmPDX - IAH
1 stop9h 06mSpirit Airlines
Tue 7/16:30 amIAH - PDX
1 stop6h 47mSpirit Airlines
Deal found 5/15$196
This Alaska Airlines deal was found by Cheapflights users on 5/15. 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.
Thu 8/2110:33 amPDX - IAH
Nonstop4h 21mAlaska Airlines
Mon 8/255:59 pmIAH - PDX
Nonstop4h 26mAlaska Airlines
Deal found 5/15$197
This Hawaiian Airlines deal was found by Cheapflights users on 5/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:24 pmPDX - IAH
1 stop8h 42mHawaiian Airlines
Sun 9/285:59 pmIAH - PDX
Nonstop4h 26mHawaiian Airlines
Deal found 5/15$207
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:40 amPDX - IAH
1 stop7h 11mDelta
Tue 8/267:25 pmIAH - PDX
1 stop6h 13mDelta
Deal found 5/15$217
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/229:45 pmPDX - HOU
1 stop9h 31mDelta
Mon 8/251:00 pmHOU - PDX
1 stop11h 20mDelta
Deal found 5/15$217
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:16 pmPDX - HOU
1 stop7h 31mAmerican Airlines
Sun 9/215:00 amHOU - PDX
1 stop7h 30mAmerican Airlines
Deal found 5/15$302
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/3012:59 amPDX - IAH
1 stop6h 17mAmerican Airlines
Tue 7/810:07 amIAH - PDX
1 stop13h 16mAmerican Airlines
Deal found 5/15$330
This Southwest deal was found by Cheapflights users on 5/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/245:35 amPDX - HOU
1 stop6h 35mSouthwest
Mon 9/17:05 amHOU - PDX
1 stop6h 40mSouthwest
Deal found 5/15$333
This Sun Country Air deal was found by Cheapflights users on 5/14. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2311:59 pmPDX - HOU
1 stop9h 25mSun Country Air
Thu 7/106:35 pmHOU - PDX
1 stop18h 41mSun Country Air
Deal found 5/14$340
This Mytrip deal was found by Cheapflights users on 5/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:57 pmPDX - HOU
1 stop15h 03mMultiple Airlines
Thu 7/106:18 pmHOU - PDX
2 stops21h 42mMultiple Airlines
Deal found 5/14$418

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 May 15, 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

Fri 6/6

5:50 pm-11:43 pm

1 stop27h 53m

Houston George Bush Intcntl

Fri 6/13

10:04 pm-11:23 am

1 stop15h 19m

$192

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 6/3

1:37 pm-5:31 am

1 stop13h 54m

Houston George Bush Intcntl

Sat 6/7

9:59 pm-12:19 am

1 stop28h 20m

$194

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 6/26

12:12 pm-11:18 pm

1 stop9h 06m

Houston George Bush Intcntl

Tue 7/1

6:30 am-11:17 am

1 stop6h 47m

$196

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 8/21

10:33 am-4:54 pm

Nonstop4h 21m

Houston George Bush Intcntl

Mon 8/25

5:59 pm-8:25 pm

Nonstop4h 26m

$197

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 9/22

1:24 pm-12:06 am

1 stop8h 42m

Houston George Bush Intcntl

Sun 9/28

5:59 pm-8:25 pm

Nonstop4h 26m

$207

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 8/20

12:40 am-9:51 am

1 stop7h 11m

Houston George Bush Intcntl

Tue 8/26

7:25 pm-11:38 pm

1 stop6h 13m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Fri 8/22

9:45 pm-9:16 am

1 stop9h 31m

Houston Hobby

Mon 8/25

1:00 pm-10:20 pm

1 stop11h 20m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Thu 9/18

2:16 pm-11:47 pm

1 stop7h 31m

Houston Hobby

Sun 9/21

5:00 am-10:30 am

1 stop7h 30m

$302

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 6/30

12:59 am-9:16 am

1 stop6h 17m

Houston George Bush Intcntl

Tue 7/8

10:07 am-9:23 pm

1 stop13h 16m

$330

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sun 8/24

5:35 am-2:10 pm

1 stop6h 35m

Houston Hobby

Mon 9/1

7:05 am-11:45 am

1 stop6h 40m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 27 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 May 9, 2025.

Booking 15 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 $332). 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 May 15, 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.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston 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 when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, 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 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 May 15, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Portland to Houston to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

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

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

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
2,437 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

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
8,731 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

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 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.

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

    Cheapflights users have booked flights from Portland to Houston round-trip from $192. Other airlines that can offer you cheap pricing are Alaska Airlines, from $197, and Hawaiian Airlines, from $207. Users have found that Frontier is 49% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Portland to Houston one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $99. Users have also found prices from $100 and $109 on Frontier and Delta, respectively.

  • 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, Paramount Theatre, or Larimer Square. Travelers on a layover in Denver can visit Coors Field, Paramount Theatre, and Larimer Square, by traveling 18.4 mi, 18.6 mi, and 18.9 mi, respectively after landing at Denver Intl. Travelers can book a car rental at Denver Intl for about $43 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 $332). 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 May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$67Average$382FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$98Average$291FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$112Average$184FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$216FlexibilityNo cancel feeOn-time62%
DeltaCheapest$216Average$322FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$234Average$443FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$432FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$407FlexibilityNo cancel feeOn-time63%

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