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$78+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HOU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Houston are usually found in September or October, booked 68 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 October 30, 2025.

Round-trip from

$197
(Alaska Airlines)

One-way from

$78
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$307
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. 7% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/610:42 amPDX - IAH
Nonstop4h 13mAlaska Airlines
Wed 12/105:55 pmIAH - PDX
Nonstop4h 44mAlaska Airlines
Deal found 10/30$196
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/181:26 pmPDX - IAH
1 stop21h 13mFrontier
Sun 11/2310:22 amIAH - PDX
2 stops30h 54mFrontier
Deal found 10/28$197
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/245:15 pmPDX - IAH
1 stop18h 42mFrontier
Sat 12/63:31 pmIAH - PDX
2 stops20h 03mFrontier
Deal found 10/28$198
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 11/237:09 pmPDX - IAH
1 stop16h 48mFrontier
Tue 12/27:59 pmIAH - PDX
2 stops41h 57mFrontier
Deal found 10/29$201
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/69:48 amPDX - IAH
1 stop7h 44mMultiple Airlines
Thu 12/1110:28 pmIAH - PDX
2 stops15h 28mMultiple Airlines
Deal found 10/30$202
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/181:26 pmPDX - IAH
2 stops18h 07mFrontier
Mon 11/249:27 pmIAH - PDX
1 stop12h 37mFrontier
Deal found 10/28$203
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Fri 12/510:42 amPDX - IAH
Nonstop4h 13mAlaska Airlines
Wed 12/105:55 pmIAH - PDX
Nonstop4h 44mAlaska Airlines
Deal found 10/30$205
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/410:42 amPDX - IAH
Nonstop4h 13mAlaska Airlines
Wed 12/105:55 pmIAH - PDX
Nonstop4h 44mAlaska Airlines
Deal found 10/30$206
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/252:31 pmPDX - IAH
1 stop7h 07mFrontier
Sat 12/611:32 amIAH - PDX
1 stop26h 24mFrontier
Deal found 10/28$207
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/181:26 pmPDX - IAH
2 stops18h 07mFrontier
Tue 11/256:45 amIAH - PDX
1 stop10h 22mFrontier
Deal found 10/28$210
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sun 11/237:09 pmPDX - IAH
1 stop16h 48mMultiple Airlines
Tue 12/26:21 pmIAH - PDX
2 stops43h 35mMultiple Airlines
Deal found 10/29$211
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/410:42 amPDX - IAH
Nonstop4h 13mAlaska Airlines
Thu 12/115:55 pmIAH - PDX
Nonstop4h 44mAlaska Airlines
Deal found 10/30$216

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 October 30, 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 1/14

12:59 pm-7:10 pm

Nonstop4h 11m

Houston George Bush Intcntl

Sun 1/18

9:30 am-12:18 pm

Nonstop4h 48m

$207

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 12/4

10:42 am-4:55 pm

Nonstop4h 13m

Houston George Bush Intcntl

Thu 12/11

5:55 pm-8:39 pm

Nonstop4h 44m

$216

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 12/5

12:55 pm-7:01 pm

Nonstop4h 06m

Houston George Bush Intcntl

Sun 12/14

9:30 am-12:12 pm

Nonstop4h 42m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 12/6

6:10 am-5:33 pm

1 stop9h 23m

Houston Hobby

Sat 12/13

10:39 am-10:10 pm

2 stops13h 31m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 12/6

10:05 am-9:47 pm

2 stops9h 42m

Houston George Bush Intcntl

Sat 12/13

2:30 pm-10:58 pm

2 stops10h 28m

$227

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 12/3

11:54 am-10:48 pm

1 stop8h 54m

Houston Hobby

Sun 12/7

2:32 pm-10:19 pm

1 stop9h 47m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 1/14

6:00 am-6:48 pm

2 stops10h 48m

Houston George Bush Intcntl

Sun 1/18

6:15 am-1:38 pm

1 stop9h 23m

$232

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 12/5

12:32 am-12:01 pm

1 stop9h 29m

Houston George Bush Intcntl

Mon 12/15

11:02 am-6:14 pm

2 stops9h 12m

$232

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sun 1/25

7:10 am-6:10 pm

1 stop9h 00m

Houston Hobby

Thu 1/29

9:00 am-1:35 pm

1 stop6h 35m

$237

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 1/31

9:30 am-8:20 pm

1 stop8h 50m

Houston Hobby

Mon 2/9

8:05 am-1:45 pm

1 stop7h 40m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 33 results
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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 October 24, 2025.

Booking 68 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, June is the cheapest month in which you can book a flight from Portland to Houston (average of $67). Flying from Portland to Houston in July is currently the most expensive (average of $231). 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 October 30, 2025.

It’s typically best to fly out from Portland to Houston in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Portland to Houston?

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

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 October 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, 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
11,214 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,214 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,993 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,797 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Frontier
5.8
Fair
3,123 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 11m. United Airlines provides one of the quickest options available for as low as $207. 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 $128, and Frontier, from $137. Users have found that Spirit Airlines is 78% cheaper than the other options available to this destination.

  • 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, June is the cheapest month in which you can book a flight from Portland to Houston (average of $67). Flying from Portland to Houston in July is currently the most expensive (average of $231). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$180FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$128Average$288FlexibilityNo cancel feeOn-time85%
FrontierCheapest$137Average$248FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$177Average$313FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$301FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$234Average$426FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$248Average$452FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$288Average$432FlexibilityNo cancel feeOn-time63%

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