HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$109+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HOU
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to Houston 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 are usually found in June 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 August 20, 2025.

Round-trip from

$180
(Justfly.com)

One-way from

$109
(Southwest)

Popular in

December

Cheapest in

June

Average price

$349
From Portland to Houston
Search Deals
One-way flight from Portland to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 20, 2025.

This Justfly.com deal was found by Cheapflights users on 8/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:42 pmPDX - IAH
1 stop8h 04mMultiple Airlines
Sun 11/25:00 amIAH - PDX
1 stop7h 56mMultiple Airlines
Deal found 8/20$180
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Wed 10/298:36 pmPDX - IAH
1 stop7h 10mMultiple Airlines
Wed 11/54:37 pmIAH - PDX
1 stop21h 19mMultiple Airlines
Deal found 8/19$184
This CheapOair deal was found by Cheapflights users on 8/20. 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.
Wed 8/276:51 amPDX - IAH
1 stop5h 51mFrontier
Tue 9/23:27 pmIAH - PDX
1 stop9h 12mFrontier
Deal found 8/20$186
This Frontier deal was found by Cheapflights users on 8/18. 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.
Fri 10/2410:34 amPDX - IAH
2 stops9h 40mFrontier
Mon 11/36:00 amIAH - PDX
1 stop7h 56mFrontier
Deal found 8/18$190
This Frontier deal was found by Cheapflights users on 8/18. 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 9/107:15 amPDX - IAH
1 stop11h 59mFrontier
Mon 9/1512:52 pmIAH - PDX
2 stops13h 20mFrontier
Deal found 8/18$191
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/2611:55 pmPDX - IAH
Nonstop4h 11mUnited Airlines
Sat 9/279:30 amIAH - PDX
Nonstop4h 26mUnited Airlines
Deal found 8/18$192
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Mon 8/256:27 amPDX - IAH
1 stop15h 23mFrontier
Thu 9/45:07 pmIAH - PDX
1 stop19h 26mFrontier
Deal found 8/18$194
This Frontier deal was found by Cheapflights users on 8/18. 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 10/2212:43 pmPDX - IAH
1 stop8h 53mFrontier
Sun 10/269:54 pmIAH - PDX
2 stops15h 54mFrontier
Deal found 8/18$196
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 9/1910:33 amPDX - IAH
Nonstop4h 26mAlaska Airlines
Fri 9/265:59 pmIAH - PDX
Nonstop4h 26mAlaska Airlines
Deal found 8/18$197
This Frontier deal was found by Cheapflights users on 8/18. 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 10/17:15 amPDX - IAH
1 stop11h 59mFrontier
Fri 10/312:52 pmIAH - PDX
1 stop7h 26mFrontier
Deal found 8/18$198
This FlightHub deal was found by Cheapflights users on 8/20. 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.
Sun 10/56:05 amPDX - IAH
1 stop27h 04mFrontier
Sun 10/124:24 pmIAH - PDX
1 stop20h 34mFrontier
Deal found 8/20$199
This FlightHub deal was found by Cheapflights users on 8/18. 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.
Tue 8/266:51 amPDX - IAH
1 stop11h 51mFrontier
Sat 9/67:20 amIAH - PDX
1 stop17h 14mFrontier
Deal found 8/18$201

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 August 20, 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 10/29

8:36 pm-5:46 am

1 stop7h 10m

Houston George Bush Intcntl

Wed 11/5

4:37 pm-11:56 am

1 stop21h 19m

$184

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 10/9

12:43 pm-11:36 pm

1 stop8h 53m

Houston George Bush Intcntl

Sat 10/11

4:42 pm-11:48 am

1 stop21h 06m

$186

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 8/27

6:51 am-2:42 pm

1 stop5h 51m

Houston George Bush Intcntl

Tue 9/2

3:27 pm-10:39 pm

1 stop9h 12m

$186

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 10/24

10:34 am-10:14 pm

2 stops9h 40m

Houston George Bush Intcntl

Mon 11/3

6:00 am-11:56 am

1 stop7h 56m

$190

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 9/10

7:15 am-9:14 pm

1 stop11h 59m

Houston George Bush Intcntl

Mon 9/15

12:52 pm-12:12 am

2 stops13h 20m

$191

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 9/27

7:15 am-9:14 pm

1 stop11h 59m

Houston George Bush Intcntl

Sat 10/4

3:11 pm-10:34 pm

2 stops9h 23m

$191

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 9/13

7:15 am-9:14 pm

1 stop11h 59m

Houston George Bush Intcntl

Sat 9/20

3:11 pm-10:34 pm

2 stops9h 23m

$191

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 9/10

7:15 am-9:14 pm

1 stop11h 59m

Houston George Bush Intcntl

Fri 9/12

12:32 pm-12:12 am

2 stops13h 40m

$191

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 9/26

11:55 pm-6:06 am

Nonstop4h 11m

Houston George Bush Intcntl

Sat 9/27

9:30 am-11:56 am

Nonstop4h 26m

$192

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 8/30

6:27 am-11:36 pm

1 stop15h 09m

Houston George Bush Intcntl

Fri 9/5

9:08 pm-10:34 pm

1 stop27h 26m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 40 results
1
2
3
4

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 August 8, 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 $331). 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 August 20, 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 August 20, 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

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Frontier
5.8
Fair
3,207 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 6h 36m. Frontier provides one of the quickest options available for as low as $217. The distance from Portland to Houston is about 1840 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 Frontier, from $128, and Hawaiian Airlines, from $138. 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 one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $109. Users have also found prices from $109 and $110 on Delta 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, 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 $59 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 $331). 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

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.

Alternative routes for Portland to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Dallas/Fort Worth flights
Portland to Hobby flights
Portland to George Bush Intcntl flights
Portland to Austin flights
Boise to Dallas/Fort Worth flights
Portland to Love Field flights
Medford to Hobby flights
Boise to Austin flights
Portland to San Antonio flights
Boise to Hobby flights
Medford to George Bush Intcntl flights
Boise to George Bush Intcntl flights
Eugene to Dallas/Fort Worth flights
Medford to Dallas/Fort Worth flights
Portland to El Paso flights
Redmond to Austin flights
Redmond to Dallas/Fort Worth flights
Redmond to Hobby flights
Eugene to Hobby flights
Boise to Love Field flights
Boise to San Antonio flights
Eugene to San Antonio flights
Boise to El Paso flights
Eugene to Love Field flights
Portland to Lubbock flights
Eugene to George Bush Intcntl flights
Redmond to George Bush Intcntl flights
Eugene to Austin flights
Portland to Corpus Christi flights
Redmond to Lubbock flights
Medford to San Antonio flights
North Bend to Dallas/Fort Worth flights
Medford to Austin flights
Portland to Killeen flights
Portland to Amarillo flights
Portland to Midland flights
Redmond to San Antonio flights
Portland to McAllen flights
Portland to Laredo flights
Portland to Tyler flights
Portland to San Angelo flights
Portland to Waco flights
Portland to Wichita Falls flights
Portland to Harlingen flights
North Bend to George Bush Intcntl flights
Portland to Brownsville flights
Boise to Tyler flights
Redmond to Love Field flights
Portland to Texarkana flights
Yakima to Hobby flights

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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$175FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$214FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$138Average$292FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$177Average$366FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$326FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$237Average$458FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$439FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$404FlexibilityNo cancel feeOn-time63%

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.