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Cheap flights from Portland to Houston from $77

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 4/15. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
7:46 pm - 9:54 am
PDX
-
IAH
12h 08m
1 stop
Multiple Airlines Logo
4:02 pm - 11:38 am
IAH
-
PDX
21h 36m
1 stop
$229Multiple Airlines
Sun, Apr 12 - Tue, Apr 14
Frontier Logo
11:58 am - 12:48 am
PDX
-
IAH
10h 50m
1 stop
Frontier Logo
6:45 am - 11:03 am
IAH
-
PDX
6h 18m
1 stop
$230Frontier
Fri, Apr 10 - Thu, Apr 16
Multiple Airlines Logo
1:48 pm - 11:11 am
PDX
-
IAH
19h 23m
2 stops
Multiple Airlines Logo
7:45 am - 11:52 am
IAH
-
PDX
30h 07m
1 stop
$231Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Frontier Logo
12:27 pm - 12:48 am
PDX
-
IAH
10h 21m
1 stop
Frontier Logo
1:48 pm - 11:50 am
IAH
-
PDX
24h 02m
2 stops
$232Frontier
Sat, Apr 18 - Sat, Apr 25
Frontier Logo
12:27 pm - 12:48 am
PDX
-
IAH
10h 21m
1 stop
Frontier Logo
6:14 pm - 11:03 am
IAH
-
PDX
42h 49m
2 stops
$235Frontier
Sat, Apr 25 - Tue, Apr 28
Alaska Airlines Logo
10:52 am - 5:18 pm
PDX
-
IAH
4h 26mnonstop
Alaska Airlines Logo
6:18 pm - 8:50 pm
IAH
-
PDX
4h 32mnonstop
$237Alaska Airlines
Sat, Apr 25 - Tue, Apr 28
Frontier Logo
12:28 pm - 11:56 pm
PDX
-
IAH
9h 28m
1 stop
Frontier Logo
3:32 pm - 11:50 am
IAH
-
PDX
22h 18m
2 stops
$238Frontier
Wed, Apr 15 - Wed, Apr 22
Frontier Logo
12:28 pm - 11:56 pm
PDX
-
IAH
9h 28m
1 stop
Frontier Logo
3:32 pm - 11:50 am
IAH
-
PDX
22h 18m
2 stops
$239Frontier
Wed, Apr 15 - Wed, Apr 22
Frontier Logo
11:58 am - 12:48 am
PDX
-
IAH
10h 50m
1 stop
Frontier Logo
7:15 am - 11:42 am
IAH
-
PDX
6h 27m
1 stop
$240Frontier
Mon, Apr 6 - Sat, Apr 25
Frontier Logo
12:28 pm - 11:56 pm
PDX
-
IAH
9h 28m
1 stop
Frontier Logo
10:35 am - 11:03 am
IAH
-
PDX
26h 28m
1 stop
$241Frontier
Wed, Apr 15 - Thu, Apr 16

Delta flights from Portland to Houston George Bush Intcntl Airport

Our best Delta deals on Portland to Houston George Bush Intcntl Airport flight tickets
Delta
Apr 15
PDX9:05 amPortland
10h 29m
2 stops
IAH9:34 pmHouston George Bush Intcntl
Apr 22
IAH7:45 amHouston George Bush Intcntl
11h 25m
2 stops
PDX5:10 pmPortland
$267
Delta
Apr 11
PDX5:45 amPortland
5h 58m
1 stop
IAH1:43 pmHouston George Bush Intcntl
Apr 25
IAH7:45 amHouston George Bush Intcntl
11h 16m
2 stops
PDX5:01 pmPortland
$282
Delta
Apr 25
PDX9:55 amPortland
11h 46m
2 stops
IAH11:41 pmHouston George Bush Intcntl
Apr 28
IAH6:35 amHouston George Bush Intcntl
12h 15m
2 stops
PDX4:50 pmPortland
$288

Frontier flights from Portland to Houston George Bush Intcntl Airport

Our best Frontier deals on Portland to Houston George Bush Intcntl Airport flight tickets
Frontier
Apr 10
PDX11:58 amPortland
10h 50m
1 stop
IAH12:48 amHouston George Bush Intcntl
Apr 16
IAH6:45 amHouston George Bush Intcntl
6h 18m
1 stop
PDX11:03 amPortland
$230
Frontier
Apr 25
PDX12:27 pmPortland
10h 21m
1 stop
IAH12:48 amHouston George Bush Intcntl
Apr 28
IAH6:14 pmHouston George Bush Intcntl
42h 49m
2 stops
PDX11:03 amPortland
$235
Frontier
Apr 15
PDX12:28 pmPortland
9h 28m
1 stop
IAH11:56 pmHouston George Bush Intcntl
Apr 22
IAH3:32 pmHouston George Bush Intcntl
22h 18m
2 stops
PDX11:50 amPortland
$238

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 March 20, 2026.
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

Cheapest round-trip

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sun 4/12

7:46 pm-9:54 am

1 stop12h 08m

Houston George Bush Intcntl

Tue 4/14

4:02 pm-11:38 am

1 stop21h 36m

$229

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 4/10

11:58 am-12:48 am

1 stop10h 50m

Houston George Bush Intcntl

Thu 4/16

6:45 am-11:03 am

1 stop6h 18m

$230

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 4/14

1:48 pm-11:11 am

2 stops19h 23m

Houston George Bush Intcntl

Tue 4/21

7:45 am-11:52 am

1 stop30h 07m

$231

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 4/18

12:27 pm-12:48 am

1 stop10h 21m

Houston George Bush Intcntl

Sat 4/25

1:48 pm-11:50 am

2 stops24h 02m

$232

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 4/25

12:27 pm-12:48 am

1 stop10h 21m

Houston George Bush Intcntl

Tue 4/28

6:14 pm-11:03 am

2 stops42h 49m

$235
Quickest round-trip

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 4/25

10:52 am-5:18 pm

Nonstop4h 26m

Houston George Bush Intcntl

Tue 4/28

6:18 pm-8:50 pm

Nonstop4h 32m

$237

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 4/15

12:28 pm-11:56 pm

1 stop9h 28m

Houston George Bush Intcntl

Wed 4/22

3:32 pm-11:50 am

2 stops22h 18m

$238

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 4/15

12:28 pm-11:56 pm

1 stop9h 28m

Houston George Bush Intcntl

Wed 4/22

3:32 pm-11:50 am

2 stops22h 18m

$239

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 4/6

11:58 am-12:48 am

1 stop10h 50m

Houston George Bush Intcntl

Sat 4/25

7:15 am-11:42 am

1 stop6h 27m

$240

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 4/15

12:28 pm-11:56 pm

1 stop9h 28m

Houston George Bush Intcntl

Thu 4/16

10:35 am-11:03 am

1 stop26h 28m

$241

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $197. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Portland during the month January 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 $442. 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 $538.

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 at noon. Our users have found flights to Houston George Bush Intcntl Airport at noon for as low as $438. Try not to purchase tickets in the evening because they tend to be around $528. 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 $336 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 $244 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.

Can stopping save me money on Portland to Houston George Bush Intcntl Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a Portland to Houston George Bush Intcntl Airport flight.

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

As of March 2026, prices for Portland to Houston George Bush Intcntl Airport flights are approximately 90% 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

$167

Fastest flight time

4h 06m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Portland in the past 72 hours is $167. The best round-trip flight deal from Portland to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $356.
The fastest flight from Portland to Houston George Bush Intcntl Airport takes 4h 06m
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 $70Free CancellationRating
6.3
8,535 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $98Free CancellationRating
7.8
2,841 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $108Free CancellationRating
7.9
8,304 reviews
Search Delta flights
FrontierPriceFrom $145Free CancellationRating
5.7
3,023 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
7.9
12,082 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $203Free CancellationRating
7.4
9,454 reviews
Search United 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 7 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 $317. Our users have rated Alaska Airlines at 7.9/10.

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

    Across 2,841 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Portland to Houston George Bush Intcntl Airport about 7 times each week, with ticket deals ranging from $98 to $257. 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
Katy
The Woodlands
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Jersey Village
Livingston

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.

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