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Cheap flights from Portland to Houston from $90

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 2/20. 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

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Cheap round-trip flights

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Multiple Airlines Logo
9:22 pm - 3:22 pm
PDX
-
IAH
16h 00m1 stop
Multiple Airlines Logo
8:00 am - 9:49 am
IAH
-
PDX
27h 49m1 stop
$181Multiple Airlines
Th. 2, Thg. 2 2 - Th. 5, Thg. 2 5
Frontier Logo
12:04 pm - 12:39 am
PDX
-
IAH
10h 35m1 stop
Frontier Logo
6:45 am - 11:09 am
IAH
-
PDX
6h 24m1 stop
$182Frontier
Th. 2, Thg. 3 9 - Th. 5, Thg. 3 12
Frontier Logo
1:18 pm - 9:33 pm
PDX
-
IAH
6h 15m1 stop
Frontier Logo
7:35 am - 11:04 am
IAH
-
PDX
29h 29m1 stop
$183Frontier
Th. 5, Thg. 1 8 - Th. 4, Thg. 1 14
Frontier Logo
7:38 pm - 7:23 pm
PDX
-
IAH
21h 45m1 stop
Frontier Logo
10:12 pm - 6:21 pm
IAH
-
PDX
22h 09m1 stop
$188Frontier
Th. 6, Thg. 2 20 - CN, Thg. 2 22
Multiple Airlines Logo
9:22 pm - 3:22 pm
PDX
-
IAH
16h 00m1 stop
Multiple Airlines Logo
12:55 pm - 9:49 am
IAH
-
PDX
22h 54m2 stops
$192Multiple Airlines
Th. 2, Thg. 2 2 - Th. 5, Thg. 2 5
American Airlines Logo
6:00 am - 4:46 pm
PDX
-
IAH
8h 46m1 stop
American Airlines Logo
2:24 pm - 7:51 pm
IAH
-
PDX
7h 27m1 stop
$196American Airlines
Th. 3, Thg. 1 6 - Th. 7, Thg. 1 10
Delta Logo
12:40 am - 10:37 am
PDX
-
IAH
7h 57m1 stop
Delta Logo
6:35 am - 12:10 pm
IAH
-
PDX
7h 35m1 stop
$197Delta
Th. 2, Thg. 3 2 - Th. 3, Thg. 3 10
Multiple Airlines Logo
10:29 am - 12:19 am
PDX
-
IAH
11h 50m1 stop
Multiple Airlines Logo
7:41 pm - 9:34 am
IAH
-
PDX
15h 53m1 stop
$198Multiple Airlines
Th. 6, Thg. 1 9 - CN, Thg. 1 11
Multiple Airlines Logo
10:51 am - 4:57 pm
PDX
-
IAH
4h 06mnonstop
Multiple Airlines Logo
6:45 am - 11:15 am
IAH
-
PDX
6h 30m1 stop
$200Multiple Airlines
Th. 3, Thg. 1 6 - Th. 5, Thg. 1 8
American Airlines Logo
2:13 pm - 10:49 pm
PDX
-
IAH
6h 36m1 stop
American Airlines Logo
6:00 am - 1:41 pm
IAH
-
PDX
9h 41m2 stops
$202American Airlines
Th. 3, Thg. 1 6 - Th. 3, Thg. 1 13

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
Mar 9
PDX12:04 pmPortland
10h 35m
1 stop
IAH12:39 amHouston George Bush Intcntl
Mar 12
IAH6:45 amHouston George Bush Intcntl
6h 24m
1 stop
PDX11:09 amPortland
$182
Find similar
Frontier
Jan 8
PDX1:18 pmPortland
6h 15m
1 stop
IAH9:33 pmHouston George Bush Intcntl
Jan 14
IAH7:35 amHouston George Bush Intcntl
29h 29m
1 stop
PDX11:04 amPortland
$183
Find similar
Frontier
Feb 20
PDX7:38 pmPortland
21h 45m
1 stop
IAH7:23 pmHouston George Bush Intcntl
Feb 22
IAH10:12 pmHouston George Bush Intcntl
22h 09m
1 stop
PDX6:21 pmPortland
$188
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
Jan 6
PDX6:00 amPortland
8h 46m
1 stop
IAH4:46 pmHouston George Bush Intcntl
Jan 13
IAH11:27 amHouston George Bush Intcntl
9h 24m
1 stop
PDX6:51 pmPortland
$196
Find similar
American Airlines
Jan 6
PDX2:13 pmPortland
6h 36m
1 stop
IAH10:49 pmHouston George Bush Intcntl
Jan 13
IAH6:00 amHouston George Bush Intcntl
9h 41m
2 stops
PDX1:41 pmPortland
$202
Find similar
American Airlines
Feb 20
PDX11:46 amPortland
9h 55m
1 stop
IAH11:41 pmHouston George Bush Intcntl
Mar 4
IAH2:25 pmHouston George Bush Intcntl
8h 27m
1 stop
PDX8:52 pmPortland
$216
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 Tháng Mười hai 14, 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

Th. 2 2/2

9:22 pm-3:22 pm

1 stop16h 00m

Houston George Bush Intcntl

Th. 5 2/5

8:00 am-9:49 am

1 stop27h 49m

$181

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 2 3/9

12:04 pm-12:39 am

1 stop10h 35m

Houston George Bush Intcntl

Th. 5 3/12

6:45 am-11:09 am

1 stop6h 24m

$182

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 5 1/8

1:18 pm-9:33 pm

1 stop6h 15m

Houston George Bush Intcntl

Th. 4 1/14

7:35 am-11:04 am

1 stop29h 29m

$183

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 6 2/20

7:38 pm-7:23 pm

1 stop21h 45m

Houston George Bush Intcntl

CN 2/22

10:12 pm-6:21 pm

1 stop22h 09m

$188

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 2 2/2

9:22 pm-3:22 pm

1 stop16h 00m

Houston George Bush Intcntl

Th. 5 2/5

12:55 pm-9:49 am

2 stops22h 54m

$192

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 3 1/6

6:00 am-4:46 pm

1 stop8h 46m

Houston George Bush Intcntl

Th. 7 1/10

2:24 pm-7:51 pm

1 stop7h 27m

$196

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 2 3/2

12:40 am-10:37 am

1 stop7h 57m

Houston George Bush Intcntl

Th. 3 3/10

6:35 am-12:10 pm

1 stop7h 35m

$197

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 6 1/9

10:29 am-12:19 am

1 stop11h 50m

Houston George Bush Intcntl

CN 1/11

7:41 pm-9:34 am

1 stop15h 53m

$198

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 3 1/6

10:51 am-4:57 pm

Nonstop4h 06m

Houston George Bush Intcntl

Th. 5 1/8

6:45 am-11:15 am

1 stop6h 30m

$200

PortlandHouston

PDX - IAH

PDXIAH

Portland

Th. 3 1/6

2:13 pm-10:49 pm

1 stop6h 36m

Houston George Bush Intcntl

Th. 3 1/13

6:00 am-1:41 pm

2 stops9h 41m

$202

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 $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 $475. 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 $561.

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 $534. 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 $356 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 $265 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 8% 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 December 2025, prices for Portland to Houston George Bush Intcntl Airport flights are approximately 30% 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

$188

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 $188. The best round-trip flight deal from Portland to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $360.
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
8,185 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $128Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
11,448 reviews
Search Alaska Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,052 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 6 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 $328. Our users have rated Alaska Airlines at 8.0/10.

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

    Across 2,819 Hawaiian Airlines reviews on momondo, the average score is 7.8/10. Hawaiian Airlines flies from Portland to Houston George Bush Intcntl Airport about 6 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.

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