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Cheap flights from Portland to Houston from $91

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 2/23. 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

Enter your travel dates to find the best prices.
Frontier Logo
9:24 am - 7:58 am
PDX
-
IAH
20h 34m
2 stops
Frontier Logo
10:56 pm - 11:09 am
IAH
-
PDX
14h 13m
1 stop
$212Frontier
Sat, Mar 7 - Sat, Mar 14
United Airlines Logo
12:57 pm - 7:05 pm
PDX
-
IAH
4h 08mnonstop
United Airlines Logo
5:00 am - 12:38 pm
IAH
-
PDX
9h 38m
1 stop
$213United Airlines
Thu, Feb 19 - Tue, Feb 24
Frontier Logo
9:24 am - 7:58 am
PDX
-
IAH
20h 34m
2 stops
Frontier Logo
10:56 pm - 11:09 am
IAH
-
PDX
14h 13m
1 stop
$214Frontier
Sat, Mar 7 - Wed, Mar 11
Frontier Logo
1:48 pm - 12:48 am
PDX
-
IAH
9h 00m
1 stop
Frontier Logo
6:45 am - 11:03 am
IAH
-
PDX
6h 18m
1 stop
$215Frontier
Tue, Apr 14 - Sun, Apr 19
Delta Logo
1:53 pm - 11:31 pm
PDX
-
IAH
7h 38m
1 stop
Delta Logo
6:38 am - 12:44 pm
IAH
-
PDX
8h 06m
1 stop
$217Delta
Sat, Feb 21 - Tue, Mar 3
Southwest Logo
12:05 pm - 8:05 pm
PDX
-
HOU
6h 00m
1 stop
Southwest Logo
5:40 pm - 10:35 pm
HOU
-
PDX
6h 55m
1 stop
$217Southwest
Sat, Feb 28 - Wed, Mar 4
Delta Logo
12:40 am - 4:36 pm
PDX
-
IAH
13h 56m
2 stops
Delta Logo
12:47 pm - 8:30 pm
IAH
-
PDX
9h 43m
1 stop
$222Delta
Fri, Feb 20 - Tue, Mar 3
Southwest Logo
7:15 am - 8:40 pm
PDX
-
HOU
11h 25m
2 stops
Southwest Logo
9:00 am - 1:35 pm
HOU
-
PDX
6h 35m
1 stop
$222Southwest
Sat, Feb 28 - Wed, Mar 4
Alaska Airlines Logo
3:52 pm - 11:54 pm
PDX
-
IAH
6h 02m
1 stop
Alaska Airlines Logo
5:33 pm - 8:03 pm
IAH
-
PDX
4h 30mnonstop
$227Alaska Airlines
Sat, Mar 7 - Wed, Mar 11
United Airlines Logo
7:00 am - 1:09 pm
PDX
-
IAH
4h 09mnonstop
United Airlines Logo
8:20 pm - 11:11 pm
IAH
-
PDX
4h 51mnonstop
$231United Airlines
Sat, Mar 7 - Wed, Mar 11

Southwest flights from Portland to Houston

Our best Southwest deals on Portland to Houston flight tickets
Southwest
Feb 28
PDX12:05 pmPortland
6h 00m
1 stop
HOU8:05 pmHouston Hobby
Mar 4
HOU5:40 pmHouston Hobby
6h 55m
1 stop
PDX10:35 pmPortland
$217
Southwest
Feb 28
PDX7:15 amPortland
11h 25m
2 stops
HOU8:40 pmHouston Hobby
Mar 4
HOU9:00 amHouston Hobby
6h 35m
1 stop
PDX1:35 pmPortland
$222
Southwest
Feb 23
PDX7:10 amPortland
9h 00m
1 stop
HOU6:10 pmHouston Hobby
Feb 25
HOU5:10 pmHouston Hobby
6h 55m
1 stop
PDX10:05 pmPortland
$227

Delta flights from Portland to Houston

Our best Delta deals on Portland to Houston flight tickets
Delta
Feb 21
PDX1:53 pmPortland
7h 38m
1 stop
IAH11:31 pmHouston George Bush Intcntl
Feb 28
IAH6:10 amHouston George Bush Intcntl
7h 52m
1 stop
PDX12:02 pmPortland
$217
Delta
Feb 21
PDX9:45 pmPortland
9h 04m
1 stop
IAH8:49 amHouston George Bush Intcntl
Mar 4
IAH6:10 amHouston George Bush Intcntl
14h 38m
2 stops
PDX6:48 pmPortland
$222
Delta
Feb 20
PDX12:40 amPortland
13h 56m
2 stops
IAH4:36 pmHouston George Bush Intcntl
Mar 4
IAH6:10 amHouston George Bush Intcntl
14h 38m
2 stops
PDX6:48 pmPortland
$228

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 January 24, 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

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

9:24 am-7:58 am

2 stops20h 34m

Houston George Bush Intcntl

Sat 3/14

10:56 pm-11:09 am

1 stop14h 13m

$212

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 2/19

12:57 pm-7:05 pm

Nonstop4h 08m

Houston George Bush Intcntl

Tue 2/24

5:00 am-12:38 pm

1 stop9h 38m

$213

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

9:24 am-7:58 am

2 stops20h 34m

Houston George Bush Intcntl

Wed 3/11

10:56 pm-11:09 am

1 stop14h 13m

$214

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 4/14

1:48 pm-12:48 am

1 stop9h 00m

Houston George Bush Intcntl

Sun 4/19

6:45 am-11:03 am

1 stop6h 18m

$215

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 2/21

1:53 pm-11:31 pm

1 stop7h 38m

Houston George Bush Intcntl

Tue 3/3

6:38 am-12:44 pm

1 stop8h 06m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 2/28

12:05 pm-8:05 pm

1 stop6h 00m

Houston Hobby

Wed 3/4

5:40 pm-10:35 pm

1 stop6h 55m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 2/20

12:40 am-4:36 pm

2 stops13h 56m

Houston George Bush Intcntl

Tue 3/3

12:47 pm-8:30 pm

1 stop9h 43m

$222

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 2/28

7:15 am-8:40 pm

2 stops11h 25m

Houston Hobby

Wed 3/4

9:00 am-1:35 pm

1 stop6h 35m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

3:52 pm-11:54 pm

1 stop6h 02m

Houston George Bush Intcntl

Wed 3/11

5:33 pm-8:03 pm

Nonstop4h 30m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

7:00 am-1:09 pm

Nonstop4h 09m

Houston George Bush Intcntl

Wed 3/11

8:20 pm-11:11 pm

Nonstop4h 51m

$231

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 January is, on average, the cheapest month to fly to Houston from Portland, with most prices found around $266. The month of October is another great option to travel to Houston, with average flight prices from Portland averaging around $268.

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 $453. Try not to purchase tickets in the evening because they tend to be around $530. 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 $346 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 $276 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 08m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Houston

2 airports
The fastest flight from Portland to Houston takes 4h 08m
Direct flights go from Portland to Houston on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
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 08m.

  • 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 $60Free CancellationRating
6.3
8,375 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $98Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $143Free CancellationRating
5.7
3,059 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
11,787 reviews
Search Alaska Airlines flights
DeltaPriceFrom $190Free CancellationRating
7.9
8,111 reviews
Search Delta flights
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,198 reviews
Search United Airlines flights
SouthwestPriceFrom $217Free CancellationRating
8.0
4,269 reviews
Search Southwest flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,197 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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