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Cheap flights from Portland to Houston from $82

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 3/6. 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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Find the cheapest flights from Portland to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:38 pm - 7:23 pm
PDX
-
IAH
21h 45m
1 stop
Frontier Logo
1:00 pm - 6:21 pm
IAH
-
PDX
7h 21m
1 stop
$216Frontier
Fri, Feb 27 - Mon, Mar 2
United Airlines Logo
12:57 pm - 7:10 pm
PDX
-
IAH
4h 13mnonstop
United Airlines Logo
2:20 pm - 10:56 pm
IAH
-
PDX
10h 36m
1 stop
$217United Airlines
Sat, Feb 7 - Sat, Feb 14
Delta Logo
9:45 pm - 10:01 am
PDX
-
HOU
10h 16m
1 stop
Delta Logo
1:06 pm - 7:16 pm
HOU
-
PDX
8h 10m
1 stop
$217Delta
Tue, Feb 17 - Tue, Mar 3
Delta Logo
9:45 pm - 8:49 am
PDX
-
IAH
9h 04m
1 stop
Delta Logo
12:15 pm - 11:53 pm
IAH
-
PDX
13h 38m
2 stops
$222Delta
Wed, Feb 18 - Wed, Feb 25
Frontier Logo
11:47 am - 8:56 am
PDX
-
IAH
19h 09m
1 stop
Frontier Logo
6:02 pm - 8:48 pm
IAH
-
PDX
28h 46m
1 stop
$225Frontier
Sat, Mar 7 - Thu, Mar 12
Southwest Logo
12:30 pm - 8:20 pm
PDX
-
HOU
5h 50m
1 stop
Southwest Logo
3:30 pm - 11:00 pm
HOU
-
PDX
9h 30m
1 stop
$227Southwest
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
4:00 pm - 11:59 pm
PDX
-
IAH
5h 59m
1 stop
United Airlines Logo
9:30 am - 12:22 pm
IAH
-
PDX
4h 52mnonstop
$227United Airlines
Thu, Feb 19 - Tue, Mar 3
Southwest Logo
5:35 am - 3:20 pm
PDX
-
HOU
7h 45m
2 stops
Southwest Logo
9:00 am - 1:35 pm
HOU
-
PDX
6h 35m
1 stop
$232Southwest
Thu, Feb 19 - Wed, Feb 25
American Airlines Logo
11:59 pm - 8:34 am
PDX
-
HOU
6h 35m
1 stop
American Airlines Logo
6:00 am - 11:07 am
HOU
-
PDX
7h 07m
1 stop
$247American Airlines
Sun, Feb 8 - Sat, Feb 21
American Airlines Logo
11:40 pm - 8:43 am
PDX
-
HOU
7h 03m
1 stop
American Airlines Logo
6:00 am - 11:07 am
HOU
-
PDX
7h 07m
1 stop
$262American Airlines
Sat, Mar 7 - Wed, Mar 11

Delta flights from Portland to Houston

Our best Delta deals on Portland to Houston flight tickets
Delta
Feb 17
PDX9:45 pmPortland
10h 16m
1 stop
HOU10:01 amHouston Hobby
Mar 3
HOU1:06 pmHouston Hobby
8h 10m
1 stop
PDX7:16 pmPortland
$217
Delta
Feb 18
PDX6:00 amPortland
7h 48m
1 stop
IAH3:48 pmHouston George Bush Intcntl
Mar 4
IAH7:05 amHouston George Bush Intcntl
15h 25m
2 stops
PDX8:30 pmPortland
$222
Delta
Feb 18
PDX9:20 amPortland
12h 17m
2 stops
IAH11:37 pmHouston George Bush Intcntl
Mar 4
IAH7:15 amHouston George Bush Intcntl
13h 33m
2 stops
PDX6:48 pmPortland
$228

Southwest flights from Portland to Houston

Our best Southwest deals on Portland to Houston flight tickets
Southwest
Feb 7
PDX12:30 pmPortland
5h 50m
1 stop
HOU8:20 pmHouston Hobby
Feb 14
HOU3:30 pmHouston Hobby
9h 30m
1 stop
PDX11:00 pmPortland
$227
Southwest
Feb 19
PDX5:35 amPortland
7h 45m
2 stops
HOU3:20 pmHouston Hobby
Feb 25
HOU9:00 amHouston Hobby
6h 35m
1 stop
PDX1:35 pmPortland
$232
Southwest
Feb 5
PDX2:25 pmPortland
6h 25m
1 stop
HOU10:50 pmHouston Hobby
Feb 6
HOU4:35 pmHouston Hobby
7h 55m
1 stop
PDX10:30 pmPortland
$237

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 16, 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

Fri 2/27

7:38 pm-7:23 pm

1 stop21h 45m

Houston George Bush Intcntl

Mon 3/2

1:00 pm-6:21 pm

1 stop7h 21m

$216

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 2/7

12:57 pm-7:10 pm

Nonstop4h 13m

Houston George Bush Intcntl

Sat 2/14

2:20 pm-10:56 pm

1 stop10h 36m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Tue 2/17

9:45 pm-10:01 am

1 stop10h 16m

Houston Hobby

Tue 3/3

1:06 pm-7:16 pm

1 stop8h 10m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 2/18

9:45 pm-8:49 am

1 stop9h 04m

Houston George Bush Intcntl

Wed 2/25

12:15 pm-11:53 pm

2 stops13h 38m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

11:47 am-8:56 am

1 stop19h 09m

Houston George Bush Intcntl

Thu 3/12

6:02 pm-8:48 pm

1 stop28h 46m

$225

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 2/7

12:30 pm-8:20 pm

1 stop5h 50m

Houston Hobby

Sat 2/14

3:30 pm-11:00 pm

1 stop9h 30m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 2/19

4:00 pm-11:59 pm

1 stop5h 59m

Houston George Bush Intcntl

Tue 3/3

9:30 am-12:22 pm

Nonstop4h 52m

$227

PortlandHouston

PDX - HOU

PDXHOU

Portland

Thu 2/19

5:35 am-3:20 pm

2 stops7h 45m

Houston Hobby

Wed 2/25

9:00 am-1:35 pm

1 stop6h 35m

$232

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sun 2/8

11:59 pm-8:34 am

1 stop6h 35m

Houston Hobby

Sat 2/21

6:00 am-11:07 am

1 stop7h 07m

$247

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 3/7

11:40 pm-8:43 am

1 stop7h 03m

Houston Hobby

Wed 3/11

6:00 am-11:07 am

1 stop7h 07m

$262

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 $268. The month of January is another great option to travel to Houston, with average flight prices from Portland averaging around $272.

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 $456. Try not to purchase tickets in the evening because they tend to be around $529. 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 $347 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 $260 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

Every day

Airports in Houston

2 airports
The fastest flight from Portland to Houston takes 4h 08m
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 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
8,319 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $98Free CancellationRating
7.8
2,827 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $141Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
11,721 reviews
Search Alaska Airlines flights
DeltaPriceFrom $190Free CancellationRating
7.9
8,049 reviews
Search Delta flights
United AirlinesPriceFrom $203Free CancellationRating
7.4
9,163 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,258 reviews
Search Southwest 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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