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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

Enter your travel dates to find the best prices.
Frontier Logo
12:27 pm - 8:51 am
PDX
-
IAH
18h 24m
2 stops
Frontier Logo
4:02 pm - 11:52 am
IAH
-
PDX
21h 50m
1 stop
$226Frontier
Sat, Apr 18 - Tue, Apr 21
United Airlines Logo
7:14 pm - 6:28 am
PDX
-
IAH
9h 14m
1 stop
United Airlines Logo
10:00 am - 12:43 pm
IAH
-
PDX
4h 43mnonstop
$227United Airlines
Tue, Apr 28 - Sat, May 2
Frontier Logo
11:58 am - 3:07 pm
PDX
-
IAH
25h 09m
1 stop
Frontier Logo
3:32 pm - 11:03 am
IAH
-
PDX
21h 31m
1 stop
$231Frontier
Mon, Apr 13 - Wed, Apr 15
Frontier Logo
9:54 am - 12:48 am
PDX
-
IAH
12h 54m
2 stops
Frontier Logo
7:45 am - 11:52 am
IAH
-
PDX
30h 07m
1 stop
$232Frontier
Thu, Apr 16 - Tue, Apr 21
Frontier Logo
11:58 am - 12:48 am
PDX
-
IAH
10h 50m
1 stop
Frontier Logo
3:32 pm - 8:59 am
IAH
-
PDX
19h 27m
2 stops
$234Frontier
Fri, Apr 10 - Wed, Apr 15
Multiple Airlines Logo
7:00 am - 1:27 pm
PDX
-
IAH
4h 27mnonstop
Multiple Airlines Logo
7:15 am - 11:42 am
IAH
-
PDX
6h 27m
1 stop
$235Multiple Airlines
Sat, Apr 18 - Sat, Apr 25
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
Southwest Logo
11:55 pm - 9:30 am
PDX
-
HOU
7h 35m
1 stop
Southwest Logo
6:00 am - 11:05 am
HOU
-
PDX
7h 05m
1 stop
$237Southwest
Sat, Apr 11 - Tue, Apr 14
Frontier Logo
11:48 am - 12:48 am
PDX
-
IAH
11h 00m
1 stop
Frontier Logo
8:40 pm - 11:52 am
IAH
-
PDX
41h 12m
2 stops
$238Frontier
Thu, Apr 16 - Sun, Apr 19
Southwest Logo
2:20 pm - 10:10 pm
PDX
-
HOU
5h 50m
1 stop
Southwest Logo
2:45 pm - 11:10 pm
HOU
-
PDX
10h 25m
2 stops
$242Southwest
Wed, Apr 8 - Wed, Apr 15

Southwest flights from Portland to Houston

Our best Southwest deals on Portland to Houston flight tickets
Southwest
Apr 11
PDX11:55 pmPortland
7h 35m
1 stop
HOU9:30 amHouston Hobby
Apr 14
HOU6:00 amHouston Hobby
7h 05m
1 stop
PDX11:05 amPortland
$237
Southwest
Apr 8
PDX2:20 pmPortland
5h 50m
1 stop
HOU10:10 pmHouston Hobby
Apr 15
HOU2:45 pmHouston Hobby
10h 25m
2 stops
PDX11:10 pmPortland
$242
Southwest
Apr 11
PDX11:55 pmPortland
7h 35m
1 stop
HOU9:30 amHouston Hobby
Apr 18
HOU8:20 amHouston Hobby
12h 25m
2 stops
PDX6:45 pmPortland
$248

American Airlines flights from Portland to Houston

Our best American Airlines deals on Portland to Houston flight tickets
American Airlines
Apr 11
PDX11:40 pmPortland
8h 00m
1 stop
IAH9:40 amHouston George Bush Intcntl
Apr 18
IAH4:33 pmHouston George Bush Intcntl
7h 05m
1 stop
PDX9:38 pmPortland
$276
American Airlines
May 19
PDX6:00 amPortland
7h 49m
1 stop
HOU3:49 pmHouston Hobby
May 26
HOU8:23 pmHouston Hobby
6h 27m
1 stop
PDX12:50 amPortland
$297
American Airlines
May 6
PDX1:52 pmPortland
7h 55m
1 stop
HOU11:47 pmHouston Hobby
May 7
HOU9:57 amHouston Hobby
9h 02m
1 stop
PDX4:59 pmPortland
$317

momondo 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, momondo users made 832,500 searches. Data last updated March 15, 2026.
Use the filters below to find and compare flights from Portland to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 4/18

12:27 pm-8:51 am

2 stops18h 24m

Houston George Bush Intcntl

Tue 4/21

4:02 pm-11:52 am

1 stop21h 50m

$226

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 4/28

7:14 pm-6:28 am

1 stop9h 14m

Houston George Bush Intcntl

Sat 5/2

10:00 am-12:43 pm

Nonstop4h 43m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 4/13

11:58 am-3:07 pm

1 stop25h 09m

Houston George Bush Intcntl

Wed 4/15

3:32 pm-11:03 am

1 stop21h 31m

$231

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 4/16

9:54 am-12:48 am

2 stops12h 54m

Houston George Bush Intcntl

Tue 4/21

7:45 am-11:52 am

1 stop30h 07m

$232

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 4/10

11:58 am-12:48 am

1 stop10h 50m

Houston George Bush Intcntl

Wed 4/15

3:32 pm-8:59 am

2 stops19h 27m

$234

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 4/18

7:00 am-1:27 pm

Nonstop4h 27m

Houston George Bush Intcntl

Sat 4/25

7:15 am-11:42 am

1 stop6h 27m

$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 - HOU

PDXHOU

Portland

Sat 4/11

11:55 pm-9:30 am

1 stop7h 35m

Houston Hobby

Tue 4/14

6:00 am-11:05 am

1 stop7h 05m

$237

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 4/16

11:48 am-12:48 am

1 stop11h 00m

Houston George Bush Intcntl

Sun 4/19

8:40 pm-11:52 am

2 stops41h 12m

$238

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 4/8

2:20 pm-10:10 pm

1 stop5h 50m

Houston Hobby

Wed 4/15

2:45 pm-11:10 pm

2 stops10h 25m

$242

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

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?

The month of October is, on average, the cheapest month to fly to Houston from Portland, with most prices found around $256. The month of January is another great option to travel to Houston, with average flight prices from Portland averaging around $257.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Portland to Houston flights are usually those with departure times at noon. Our users have found flights to Houston 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 flight route?

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

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $335 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Portland for as low as $270 on momondo.

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

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

Cheap Portland to Houston flight deals and tips

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

Fastest flight time

4h 06m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Portland to Houston takes 4h 06m
Direct flights go from Portland to Houston every day.
There are 2 airports in Houston. From Portland there are direct flights to Houston George Bush Intcntl (IAH).
Search flight deals

  • How far is Portland to Houston by plane?

    There are 1832.8 mi between Portland and Houston. In terms of flight time, this usually takes a little over 4h 06m.

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

    Prices for flights from Portland Airport to Houston refresh daily.

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

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

    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.

  • What documentation or ID do you need to fly to Houston?

    The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland to Houston

Compare and see reviews for airlines that fly from Portland to Houston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $70Free CancellationRating
6.3
8,518 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $98Free CancellationRating
7.8
2,839 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $108Free CancellationRating
7.9
8,294 reviews
Search Delta flights
FrontierPriceFrom $144Free CancellationRating
5.7
3,032 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
7.9
12,051 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
9,427 reviews
Search United Airlines flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,318 reviews
Search Southwest flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,471 reviews
Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Houston. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Portland to Houston flights to just show those with flexible booking policies.

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

Once you have performed a search for Portland to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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