Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Portland to Houston from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Houston departing on 11/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:47 am - 4:55 pmPDX-IAH
4h 08mnonstop
Alaska Airlines Logo
5:55 pm - 8:41 pmIAH-PDX
4h 46mnonstop
$197Alaska Airlines
Find Deal
Tue, Jan 27 - Wed, Feb 4
Multiple Airlines Logo
9:48 am - 3:52 pmPDX-IAH
28h 04m1 stop
Multiple Airlines Logo
7:24 pm - 4:37 pmIAH-PDX
23h 13m1 stop
$198Multiple Airlines
Find Deal
Sat, Dec 6 - Thu, Dec 11
Frontier Logo
7:09 pm - 1:57 pmPDX-IAH
16h 48m1 stop
Frontier Logo
7:59 pm - 11:56 amIAH-PDX
41h 57m2 stops
$201Frontier
Find Deal
Sun, Nov 23 - Tue, Dec 2
Frontier Logo
12:52 pm - 11:39 pmPDX-IAH
8h 47m1 stop
Frontier Logo
8:48 pm - 11:56 amIAH-PDX
17h 08m1 stop
$202Frontier
Find Deal
Thu, Nov 13 - Fri, Nov 14
Frontier Logo
1:26 pm - 9:33 amPDX-IAH
18h 07m2 stops
Frontier Logo
9:27 pm - 8:04 amIAH-PDX
12h 37m1 stop
$203Frontier
Find Deal
Tue, Nov 18 - Mon, Nov 24
United Airlines Logo
1:00 pm - 9:59 pmPDX-IAH
6h 59m1 stop
United Airlines Logo
9:30 am - 12:12 pmIAH-PDX
4h 42mnonstop
$213United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
12:35 am - 10:10 amPDX-IAH
7h 35m1 stop
Delta Logo
3:09 pm - 10:05 pmIAH-PDX
8h 56m1 stop
$217Delta
Find Deal
Mon, Nov 17 - Tue, Nov 18
Delta Logo
7:09 pm - 8:51 amPDX-IAH
11h 42m2 stops
Delta Logo
2:30 pm - 8:52 pmIAH-PDX
8h 22m1 stop
$222Delta
Find Deal
Wed, Dec 3 - Sat, Dec 6
Hawaiian Airlines Logo
1:34 pm - 11:59 pmPDX-IAH
8h 25m1 stop
Hawaiian Airlines Logo
5:55 pm - 8:39 pmIAH-PDX
4h 44mnonstop
$233Hawaiian Airlines
Find Deal
Thu, Dec 4 - Sat, Dec 6
United Airlines Logo
1:00 pm - 9:59 pmPDX-IAH
6h 59m1 stop
United Airlines Logo
6:50 pm - 12:46 amIAH-PDX
7h 56m1 stop
$258United Airlines
Find Deal
Mon, Nov 24 - Thu, Nov 27

United Airlines flights from Portland to Houston George Bush Intcntl Airport

Our best United Airlines deals on Portland to Houston George Bush Intcntl Airport flight tickets
United Airlines
Dec 3
PDX1:00 pmPortland
6h 59m
1 stop
IAH9:59 pmHouston George Bush Intcntl
Dec 7
IAH9:30 amHouston George Bush Intcntl
4h 42m
PDX12:12 pmPortland
$213
Find similar
United Airlines
Nov 24
PDX1:00 pmPortland
6h 59m
1 stop
IAH9:59 pmHouston George Bush Intcntl
Nov 27
IAH6:50 pmHouston George Bush Intcntl
7h 56m
1 stop
PDX12:46 amPortland
$258
Find similar
United Airlines
Nov 12
PDX1:00 pmPortland
6h 59m
1 stop
IAH9:59 pmHouston George Bush Intcntl
Nov 18
IAH8:00 pmHouston George Bush Intcntl
4h 45m
PDX10:45 pmPortland
$363
Find similar

American Airlines flights from Portland to Houston George Bush Intcntl Airport

Our best American Airlines deals on Portland to Houston George Bush Intcntl Airport flight tickets
American Airlines
Dec 13
PDX2:07 pmPortland
6h 16m
1 stop
IAH10:23 pmHouston George Bush Intcntl
Dec 16
IAH2:23 pmHouston George Bush Intcntl
9h 01m
1 stop
PDX9:24 pmPortland
$216
Find similar
American Airlines
Dec 3
PDX12:00 pmPortland
6h 06m
1 stop
IAH8:06 pmHouston George Bush Intcntl
Dec 7
IAH5:00 amHouston George Bush Intcntl
8h 05m
1 stop
PDX11:05 amPortland
$226
Find similar
American Airlines
Nov 18
PDX5:30 amPortland
6h 03m
1 stop
IAH1:33 pmHouston George Bush Intcntl
Nov 18
IAH6:28 pmHouston George Bush Intcntl
6h 58m
1 stop
PDX11:26 pmPortland
$256
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Portland to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 1/27

10:47 am-4:55 pm

Nonstop4h 08m

Houston George Bush Intcntl

Wed 2/4

5:55 pm-8:41 pm

Nonstop4h 46m

$197

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 12/6

9:48 am-3:52 pm

1 stop28h 04m

Houston George Bush Intcntl

Thu 12/11

7:24 pm-4:37 pm

1 stop23h 13m

$198

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sun 11/23

7:09 pm-1:57 pm

1 stop16h 48m

Houston George Bush Intcntl

Tue 12/2

7:59 pm-11:56 am

2 stops41h 57m

$201

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 11/13

12:52 pm-11:39 pm

1 stop8h 47m

Houston George Bush Intcntl

Fri 11/14

8:48 pm-11:56 am

1 stop17h 08m

$202

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 11/18

1:26 pm-9:33 am

2 stops18h 07m

Houston George Bush Intcntl

Mon 11/24

9:27 pm-8:04 am

1 stop12h 37m

$203

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 12/3

1:00 pm-9:59 pm

1 stop6h 59m

Houston George Bush Intcntl

Sun 12/7

9:30 am-12:12 pm

Nonstop4h 42m

$213

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 11/17

12:35 am-10:10 am

1 stop7h 35m

Houston George Bush Intcntl

Tue 11/18

3:09 pm-10:05 pm

1 stop8h 56m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 12/3

7:09 pm-8:51 am

2 stops11h 42m

Houston George Bush Intcntl

Sat 12/6

2:30 pm-8:52 pm

1 stop8h 22m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 12/4

1:34 pm-11:59 pm

1 stop8h 25m

Houston George Bush Intcntl

Sat 12/6

5:55 pm-8:39 pm

Nonstop4h 44m

$233

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 11/24

1:00 pm-9:59 pm

1 stop6h 59m

Houston George Bush Intcntl

Thu 11/27

6:50 pm-12:46 am

1 stop7h 56m

$258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Houston from

How to get the cheapest flight ticket from Portland to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Portland, with most prices found around $209. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Portland during the month October is also very affordable. Most momondo users find prices during this month for around $287.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Portland to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $483. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Monday is $601.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Portland to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $339. Try not to purchase tickets in the evening because they tend to be around $538. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portland to Houston George Bush Intcntl flight route?

Fly from Portland to Houston George Bush Intcntl for the best Portland - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around $362 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Portland for as low as $308 on momondo.

What cabin class options are available on Portland to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Portland to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to Houston George Bush Intcntl Airport flight prices changed over time?

As of October 2025, prices for Portland to Houston George Bush Intcntl Airport flights are approximately 62% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Houston George Bush Intcntl Airport (PDX to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Houston George Bush Intcntl Airport

Best Price Found

$196

Fastest flight time

4h 02m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Portland in the past 72 hours is $196. The best round-trip flight deal from Portland to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $328.
The fastest flight from Portland to Houston George Bush Intcntl Airport takes 4h 02m
Direct flights go from Portland to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is Portland to Houston George Bush Intcntl by plane?

    Houston George Bush Intcntl is 1822.9 mi away from Portland. 4h 06m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Portland Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Portland Airport to Houston George Bush Intcntl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Portland to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Portland to Houston George Bush Intcntl Airport?

Best airlines flying from Portland to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Portland to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $76Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $128Free CancellationRating
7.8
2,794 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $138Free CancellationRating
5.8
3,124 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
11,208 reviews
Search Alaska Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $234Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Portland to Houston George Bush Intcntl Airport

    Alaska Airlines is one of the most popular airlines flying from Portland to Houston George Bush Intcntl Airport, operating 4 flights/week on average for this route. A good Alaska Airlines flight deal for Portland to Houston George Bush Intcntl Airport starts from $177 round-trip, up to an average price of $314. Our users have rated Alaska Airlines at 8.0/10.

  • Hawaiian Airlines Flights From Portland to Houston George Bush Intcntl Airport

    Across 2,794 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Portland to Houston George Bush Intcntl Airport about 4 times each week, with ticket deals ranging from $128 to $299. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Cypress
Humble
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Houston?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Houston. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Houston?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Houston from Portland.

I’m not ready to book a flight from Portland to Houston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Portland to Houston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Houston and let you know when they change.

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 11/28
Fri 12/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Houston