What is the cheapest airline that flies from Portland to Houston?

Delta, Alaska Airlines, and Southwest are the most popular carriers operating from Portland to Houston

How many flights depart from Portland to Houston on average per week?

As of January 2026, there are 30 flights per week flying from Portland to Houston. The most common day of the week flights depart is Wed, with 20% of flights taking off on this day.

How many flights depart from Portland to Houston on average per day?

As of January 2026, 4 flights take off from Portland and land in Houston each day. The most common flight departure time for this route is 10:00AM, with 60% of daily flights taking off at noon.

What airlines fly to Houston?

United Airlines, Alaska Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Houston from Portland according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 8 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Portland Airport to Houston is 8 as of January 2026.

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.

$91 Cheap Flights from Portland to Houston in 2026

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Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:47 am - 7:58 am

PDX

IAH

18h 11m

2 stops

10:56 pm - 11:09 am

IAH

PDX

14h 13m

1 stop

$214Frontier

Sat, Mar 7 - Sun, Mar 15

11:47 am - 7:58 am

PDX

IAH

18h 11m

2 stops

6:45 am - 11:09 am

IAH

PDX

30h 24m

1 stop

$215Frontier

Sat, Mar 7 - Sat, Mar 21

2:05 pm - 8:17 pm

PDX

IAH

4h 12mnonstop

5:05 am - 12:33 pm

IAH

PDX

9h 28m

1 stop

$217United Airlines

Sat, Mar 7 - Sun, Mar 15

11:40 pm - 9:43 am

PDX

HOU

8h 03m

1 stop

6:00 am - 11:07 am

HOU

PDX

7h 07m

1 stop

$217American Airlines

Wed, Feb 18 - Wed, Feb 25

11:35 am - 11:37 pm

PDX

IAH

10h 02m

2 stops

6:38 am - 12:44 pm

IAH

PDX

8h 06m

1 stop

$222Delta

Wed, Feb 25 - Sat, Feb 28

10:18 pm - 5:54 am

PDX

IAH

29h 36m

1 stop

9:18 pm - 9:13 am

IAH

PDX

13h 55m

1 stop

$226Multiple Airlines

Mon, Feb 23 - Thu, Mar 5

1:36 pm - 11:54 pm

PDX

IAH

8h 18m

1 stop

5:33 pm - 8:03 pm

IAH

PDX

4h 30mnonstop

$227Alaska Airlines

Tue, Feb 24 - Wed, Mar 4

6:25 am - 9:44 pm

PDX

IAH

13h 19m

2 stops

5:30 am - 5:33 pm

IAH

PDX

14h 03m

2 stops

$228Delta

Tue, Feb 24 - Tue, Mar 3

5:35 am - 3:20 pm

PDX

HOU

7h 45m

2 stops

6:15 am - 10:50 am

HOU

PDX

6h 35m

1 stop

$232Southwest

Thu, Feb 19 - Tue, Feb 24

8:45 pm - 10:35 am

PDX

HOU

11h 50m

1 stop

10:40 am - 3:40 pm

HOU

PDX

7h 00m

1 stop

$233Southwest

Sun, Feb 22 - Wed, Feb 25

Southwest flights from Portland to Houston

Our best Southwest deals on Portland to Houston flight tickets

Southwest

Feb 19

PDX5:35 amPortland

7h 45m

2 stops

HOU3:20 pmHouston Hobby

Feb 24

HOU6:15 amHouston Hobby

6h 35m

1 stop

PDX10:50 amPortland

$232

Southwest

Feb 22

PDX8:45 pmPortland

11h 50m

1 stop

HOU10:35 amHouston Hobby

Feb 25

HOU10:40 amHouston Hobby

7h 00m

1 stop

PDX3:40 pmPortland

$233

Southwest

Feb 23

PDX7:10 amPortland

9h 00m

1 stop

HOU6:10 pmHouston Hobby

Feb 26

HOU5:25 amHouston Hobby

7h 30m

1 stop

PDX10:55 amPortland

$237

American Airlines flights from Portland to Houston

Our best American Airlines deals on Portland to Houston flight tickets

American Airlines

Feb 18

PDX11:40 pmPortland

8h 03m

1 stop

HOU9:43 amHouston Hobby

Feb 25

HOU6:00 amHouston Hobby

7h 07m

1 stop

PDX11:07 amPortland

$217

American Airlines

Feb 19

PDX1:52 pmPortland

8h 06m

1 stop

HOU11:58 pmHouston Hobby

Feb 24

HOU6:00 amHouston Hobby

7h 07m

1 stop

PDX11:07 amPortland

$227

American Airlines

Mar 16

PDX11:59 pmPortland

9h 49m

1 stop

HOU11:48 amHouston Hobby

May 6

HOU12:42 pmHouston Hobby

6h 17m

1 stop

PDX4:59 pmPortland

$260

Fly from

Fly to

Route

Depart

Return

Price

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

11:47 am-7:58 am

2 stops18h 11m

Houston George Bush Intcntl

Sun 3/15

10:56 pm-11:09 am

1 stop14h 13m

$214

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

11:47 am-7:58 am

2 stops18h 11m

Houston George Bush Intcntl

Sat 3/21

6:45 am-11:09 am

1 stop30h 24m

$215

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

2:05 pm-8:17 pm

Nonstop4h 12m

Houston George Bush Intcntl

Sun 3/15

5:05 am-12:33 pm

1 stop9h 28m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 2/18

11:40 pm-9:43 am

1 stop8h 03m

Houston Hobby

Wed 2/25

6:00 am-11:07 am

1 stop7h 07m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 2/25

11:35 am-11:37 pm

2 stops10h 02m

Houston George Bush Intcntl

Sat 2/28

6:38 am-12:44 pm

1 stop8h 06m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 2/23

10:18 pm-5:54 am

1 stop29h 36m

Houston George Bush Intcntl

Thu 3/5

9:18 pm-9:13 am

1 stop13h 55m

$226

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 2/24

1:36 pm-11:54 pm

1 stop8h 18m

Houston George Bush Intcntl

Wed 3/4

5:33 pm-8:03 pm

Nonstop4h 30m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 2/24

6:25 am-9:44 pm

2 stops13h 19m

Houston George Bush Intcntl

Tue 3/3

5:30 am-5:33 pm

2 stops14h 03m

$228

PortlandHouston

PDX - HOU

PDXHOU

Portland

Thu 2/19

5:35 am-3:20 pm

2 stops7h 45m

Houston Hobby

Tue 2/24

6:15 am-10:50 am

1 stop6h 35m

$232

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sun 2/22

8:45 pm-10:35 am

1 stop11h 50m

Houston Hobby

Wed 2/25

10:40 am-3:40 pm

1 stop7h 00m

$233

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Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $276.

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 $267 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?
The number of operators available for flights from Portland Airport to Houston is 8 as of January 2026.
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 Airlines	PriceFrom $60	Free Cancellation	Rating 6.3 8,363 reviews	Search Spirit Airlines flights
Hawaiian Airlines	PriceFrom $98	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $143	Free Cancellation	Rating 5.7 3,057 reviews	Search Frontier flights
Alaska Airlines	PriceFrom $177	Free Cancellation	Rating 8.0 11,774 reviews	Search Alaska Airlines flights
Delta	PriceFrom $190	Free Cancellation	Rating 7.9 8,087 reviews	Search Delta flights
United Airlines	PriceFrom $199	Free Cancellation	Rating 7.4 9,190 reviews	Search United Airlines flights
Southwest	PriceFrom $217	Free Cancellation	Rating 8.0 4,266 reviews	Search Southwest flights
American Airlines	PriceFrom $236	Free Cancellation	Rating 7.2 11,173 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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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.

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Our best American Airlines deals on Portland to Houston flight tickets

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How to get the cheapest flight ticket from Portland to Houston

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 $276.

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

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?

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.

What is the cheapest airline that flies from Portland to Houston?

Delta, Alaska Airlines, and Southwest are the most popular carriers operating from Portland to Houston

What airlines fly to Houston?

How many flights depart from Portland to Houston on average per day?

As of January 2026, 4 flights take off from Portland and land in Houston each day. The most common flight departure time for this route is 10:00AM, with 60% of daily flights taking off at noon.

How many flights depart from Portland to Houston on average per week?

As of January 2026, there are 30 flights per week flying from Portland to Houston. The most common day of the week flights depart is Wed, with 20% of flights taking off on this day.

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

Direct flights

Airports in Houston

How far is Portland to Houston by plane?

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

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?

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

Best airlines flying from Portland to Houston

Compare and see reviews for airlines that fly from Portland to Houston with momondo

Why use momondo?

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

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

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

I’m not ready to book a flight from Portland to Houston right now. Can momondo alert me if prices change?

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas