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$83+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HOU
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This Frontier deal was found by Cheapflights users on 12/26. 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.
Tue 12/3012:47 pmPDX - IAH
1 stop9h 51mFrontier
Thu 1/86:45 amIAH - PDX
1 stop6h 30mFrontier
Deal found 12/26$353
This Frontier deal was found by Cheapflights users on 12/26. 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.
Sat 12/2712:37 pmPDX - IAH
1 stop10h 01mFrontier
Thu 1/86:45 amIAH - PDX
1 stop6h 30mFrontier
Deal found 12/26$373
This CheapOair deal was found by Cheapflights users on 12/26. 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.
Sat 12/2712:37 pmPDX - IAH
1 stop10h 01mFrontier
Fri 1/910:01 pmIAH - PDX
1 stop20h 30mFrontier
Deal found 12/26$388
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 12/293:01 pmPDX - HOU
1 stop16h 57mAllegiant Air
Thu 1/87:48 pmHOU - PDX
1 stop16h 02mAllegiant Air
Deal found 12/26$461
This Frontier deal was found by Cheapflights users on 12/26. 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.
Tue 12/3012:47 pmPDX - IAH
1 stop9h 51mFrontier
Thu 1/16:45 amIAH - PDX
1 stop6h 58mFrontier
Deal found 12/26$482
This Delta deal was found by Cheapflights users on 12/26. 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.
Sat 12/2712:35 pmPDX - IAH
1 stop9h 16mDelta
Sat 1/316:20 amIAH - PDX
1 stop7h 40mDelta
Deal found 12/26$497
This Frontier deal was found by Cheapflights users on 12/26. 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.
Tue 12/3012:47 pmPDX - IAH
1 stop9h 51mFrontier
Sun 1/46:45 amIAH - PDX
1 stop6h 58mFrontier
Deal found 12/26$512
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 12/302:29 pmPDX - IAH
1 stop12h 12mMultiple Airlines
Wed 1/78:15 amIAH - PDX
2 stops30h 08mMultiple Airlines
Deal found 12/26$527
This Frontier deal was found by Cheapflights users on 12/26. 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.
Sat 12/2712:37 pmPDX - IAH
1 stop10h 01mFrontier
Sun 1/46:45 amIAH - PDX
1 stop6h 58mFrontier
Deal found 12/26$532
This CheapOair deal was found by Cheapflights users on 12/26. 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.
Sat 12/2712:37 pmPDX - IAH
1 stop20h 00mFrontier
Sat 1/311:32 amIAH - PDX
1 stop26h 11mFrontier
Deal found 12/26$533
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 12/2710:51 amPDX - IAH
Nonstop4h 06mAlaska Airlines
Sat 1/317:00 amIAH - PDX
1 stop7h 38mAlaska Airlines
Deal found 12/26$537
This Expedia deal was found by Cheapflights users on 12/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:37 pmPDX - IAH
1 stop10h 01mMultiple Airlines
Fri 1/95:55 pmIAH - PDX
Nonstop4h 46mMultiple Airlines
Deal found 12/26$540

Find 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 December 28, 2025.

Round-trip from

$183
(Kiwi.com)

One-way from

$83
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$418
From Portland to Houston
Search Deals
One-way flight from Portland to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 28, 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

Sat 1/31

1:35 pm-9:59 pm

1 stop6h 24m

Houston George Bush Intcntl

Wed 2/4

9:30 am-12:18 pm

Nonstop4h 48m

$203

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 2/20

11:29 am-5:53 pm

Nonstop4h 24m

Houston George Bush Intcntl

Wed 3/4

5:33 pm-8:03 pm

Nonstop4h 30m

$207

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sun 2/15

6:58 pm-8:56 pm

1 stop23h 58m

Houston George Bush Intcntl

Fri 2/27

7:58 am-6:43 pm

1 stop12h 45m

$216

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 1/27

1:38 pm-11:54 pm

1 stop8h 16m

Houston George Bush Intcntl

Wed 2/4

7:00 am-12:38 pm

1 stop7h 38m

$216

PortlandHouston

PDX - HOU

PDXHOU

Portland

Tue 1/20

6:45 am-5:35 pm

1 stop8h 50m

Houston Hobby

Sat 2/21

3:30 pm-11:00 pm

1 stop9h 30m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

8:30 am-4:58 pm

1 stop6h 28m

Houston George Bush Intcntl

Wed 3/11

8:20 pm-11:11 pm

Nonstop4h 51m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Tue 3/3

6:20 am-3:25 pm

1 stop7h 05m

Houston Hobby

Tue 3/3

5:10 pm-10:05 pm

1 stop6h 55m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 3/2

12:40 am-10:37 am

1 stop7h 57m

Houston George Bush Intcntl

Tue 3/3

3:08 pm-11:53 pm

2 stops10h 45m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

6:25 am-9:44 pm

2 stops13h 19m

Houston George Bush Intcntl

Wed 3/11

11:01 am-5:39 pm

1 stop8h 38m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 2/7

1:35 pm-9:59 pm

1 stop6h 24m

Houston George Bush Intcntl

Sun 2/8

5:00 am-11:57 am

1 stop8h 57m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 34 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 December 26, 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 $234). 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 December 28, 2025.

It’s typically best to fly out from Portland to Houston in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

The best insider tips for Portland to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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 December 28, 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
11,552 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,552 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Delta
7.9
Good
8,017 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,114 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Frontier
5.8
Fair
3,064 reviews
Alaska Airlines
8.0
Very good
11,552 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 24m. 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 $60. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $98, and Frontier, from $130. Users have found that Spirit Airlines is 82% 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 Spirit Airlines. According to our data, you can fly for as low as $57. Users have also found prices from $80 and $88 on Frontier and Hawaiian Airlines, respectively.

  • 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 $234). 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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Portland to George Bush Intcntl flights
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Yakima to San Antonio flights
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Portland to San Angelo flights
Boise to Longview flights
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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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$70Average$183FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$128Average$288FlexibilityNo cancel feeOn-time85%
FrontierCheapest$130Average$211FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$177Average$321FlexibilityNo cancel feeOn-time75%
DeltaCheapest$196Average$324FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$211Average$415FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$236Average$395FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$236Average$464FlexibilityNo cancel feeOn-time71%

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