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$114+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HOU
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Houston are usually found in January or September, 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 July 3, 2025.

Round-trip from

$201
(Frontier)

One-way from

$114
(Delta)

Popular in

December

Cheapest in

January

Average price

$383
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 ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Frontier deal was found by Cheapflights users on 7/2. 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.
Wed 8/612:25 pmPDX - IAH
1 stop9h 24mFrontier
Fri 8/81:07 pmIAH - PDX
1 stop7h 29mFrontier
Deal found 7/2$201
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/313:10 pmPDX - IAH
1 stop12h 45mSpirit Airlines
Thu 8/76:14 amIAH - PDX
1 stop10h 01mSpirit Airlines
Deal found 7/2$206
This Hawaiian Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 8/218:37 pmPDX - IAH
1 stop7h 47mHawaiian Airlines
Tue 8/265:59 pmIAH - PDX
Nonstop4h 26mHawaiian Airlines
Deal found 7/3$207
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/41:00 pmPDX - IAH
1 stop6h 59mUnited Airlines
Sat 11/86:05 pmIAH - PDX
1 stop6h 51mUnited Airlines
Deal found 7/1$212
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 8/307:34 pmPDX - IAH
1 stop8h 50mAlaska Airlines
Fri 9/56:00 amIAH - PDX
1 stop8h 27mAlaska Airlines
Deal found 7/1$216
This Delta deal was found by Cheapflights users on 7/3. 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 8/2012:46 amPDX - IAH
1 stop7h 04mDelta
Tue 8/266:50 pmIAH - PDX
1 stop5h 45mDelta
Deal found 7/3$217
This Southwest deal was found by Cheapflights users on 7/3. 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.
Wed 8/272:30 pmPDX - HOU
1 stop5h 50mSouthwest
Sat 8/3010:55 amHOU - PDX
1 stop8h 30mSouthwest
Deal found 7/3$217
This FlightHub deal was found by Cheapflights users on 7/2. 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.
Sat 7/196:35 amPDX - IAH
1 stop15h 14mMultiple Airlines
Sat 8/96:14 amIAH - PDX
1 stop10h 01mMultiple Airlines
Deal found 7/2$244
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/112:59 amPDX - HOU
1 stop6h 46mAmerican Airlines
Wed 8/136:00 amHOU - PDX
1 stop6h 43mAmerican Airlines
Deal found 7/1$257
This Delta deal was found by Cheapflights users on 7/1. 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 8/2210:57 pmPDX - HOU
2 stops11h 13mDelta
Mon 8/256:00 amHOU - PDX
2 stops12h 10mDelta
Deal found 7/1$277

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 July 3, 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 8/6

12:25 pm-11:49 pm

1 stop9h 24m

Houston George Bush Intcntl

Fri 8/8

1:07 pm-6:36 pm

1 stop7h 29m

$201

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 7/31

3:10 pm-5:55 am

1 stop12h 45m

Houston George Bush Intcntl

Thu 8/7

6:14 am-2:15 pm

1 stop10h 01m

$206

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 8/21

10:33 am-4:54 pm

Nonstop4h 21m

Houston George Bush Intcntl

Sun 8/24

6:00 am-12:24 pm

1 stop8h 24m

$207

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 11/4

1:00 pm-9:59 pm

1 stop6h 59m

Houston George Bush Intcntl

Sat 11/8

6:05 pm-10:56 pm

1 stop6h 51m

$212

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 8/30

7:34 pm-6:24 am

1 stop8h 50m

Houston George Bush Intcntl

Wed 9/3

7:28 pm-12:15 am

1 stop6h 47m

$216

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 8/20

12:46 am-9:50 am

1 stop7h 04m

Houston George Bush Intcntl

Mon 8/25

4:38 pm-9:48 pm

1 stop7h 10m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 8/27

2:30 pm-10:20 pm

1 stop5h 50m

Houston Hobby

Sat 8/30

10:55 am-5:25 pm

1 stop8h 30m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 7/19

6:35 am-11:49 pm

1 stop15h 14m

Houston George Bush Intcntl

Sat 8/9

6:14 am-2:15 pm

1 stop10h 01m

$244

PortlandHouston

PDX - HOU

PDXHOU

Portland

Fri 8/1

12:59 am-9:45 am

1 stop6h 46m

Houston Hobby

Wed 8/13

6:00 am-10:43 am

1 stop6h 43m

$257

PortlandHouston

PDX - HOU

PDXHOU

Portland

Fri 8/22

10:57 pm-12:10 pm

2 stops11h 13m

Houston Hobby

Mon 8/25

6:00 am-4:10 pm

2 stops12h 10m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 23 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 June 27, 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 $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 July 3, 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 July 3, 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 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

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

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
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

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 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 $201. Other airlines that can offer you cheap pricing are Spirit Airlines, from $206, and Hawaiian Airlines, from $207. Users have found that Frontier is 47% 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 Delta. According to our data, you can fly for as low as $114. Users have also found prices from $119 and $123 on Alaska Airlines and Frontier, 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 $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 $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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$94Average$172FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$215FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$295FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$197Average$380FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$323FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$237Average$460FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$434FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$410FlexibilityNo cancel feeOn-time63%

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