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Cheap flights from Portland to Houston from $89

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 11/13. 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

Hawaiian Airlines Logo
10:38 am - 4:40 pmPDX-IAH
4h 02mnonstop
Hawaiian Airlines Logo
5:45 pm - 8:11 pmIAH-PDX
4h 26mnonstop
$177Hawaiian Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
Frontier Logo
12:43 pm - 10:29 amPDX-IAH
19h 46m1 stop
Frontier Logo
11:36 am - 11:48 amIAH-PDX
26h 12m1 stop
$181Frontier
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
1:44 pm - 10:08 pmPDX-IAH
6h 24m1 stop
United Airlines Logo
4:58 pm - 7:26 pmIAH-PDX
4h 28mnonstop
$183United Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
United Airlines Logo
1:15 pm - 7:20 pmPDX-IAH
4h 05mnonstop
United Airlines Logo
8:00 pm - 10:45 pmIAH-PDX
4h 45mnonstop
$187United Airlines
Find Deal
Fri, Oct 31 - Wed, Nov 5
Alaska Airlines Logo
10:47 am - 4:50 pmPDX-IAH
4h 03mnonstop
Alaska Airlines Logo
5:51 pm - 8:23 pmIAH-PDX
4h 32mnonstop
$197Alaska Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
American Airlines Logo
11:59 pm - 8:28 amPDX-HOU
6h 29m1 stop
American Airlines Logo
6:00 am - 10:58 amHOU-PDX
6h 58m1 stop
$197American Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
Alaska Airlines Logo
1:38 pm - 11:52 pmPDX-IAH
8h 14m1 stop
Alaska Airlines Logo
5:55 pm - 8:39 pmIAH-PDX
4h 44mnonstop
$201Alaska Airlines
Find Deal
Wed, Nov 19 - Fri, Dec 12
Southwest Logo
1:25 pm - 11:25 pmPDX-HOU
8h 00m1 stop
Southwest Logo
5:30 pm - 11:45 pmHOU-PDX
8h 15m2 stops
$202Southwest
Find Deal
Wed, Oct 22 - Tue, Oct 28
American Airlines Logo
11:59 pm - 8:35 amPDX-HOU
6h 36m1 stop
American Airlines Logo
8:20 pm - 12:50 amHOU-PDX
6h 30m1 stop
$207American Airlines
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Thu, Nov 20 - Sat, Nov 22
Southwest Logo
6:15 am - 7:20 pmPDX-HOU
11h 05m2 stops
Southwest Logo
6:05 am - 10:30 amHOU-PDX
6h 25m1 stop
$208Southwest
Find Deal
Tue, Oct 21 - Sat, Oct 25

American Airlines flights from Portland to Houston

Our best American Airlines deals on Portland to Houston flight tickets
American Airlines
Oct 21
PDX11:59 pmPortland
6h 29m
1 stop
HOU8:28 amHouston Hobby
Oct 25
HOU6:00 amHouston Hobby
6h 58m
1 stop
PDX10:58 amPortland
$197
Find similar
American Airlines
Nov 20
PDX11:59 pmPortland
6h 36m
1 stop
HOU8:35 amHouston Hobby
Nov 22
HOU8:20 pmHouston Hobby
6h 30m
1 stop
PDX12:50 amPortland
$207
Find similar
American Airlines
Oct 31
PDX11:48 amPortland
5h 47m
1 stop
HOU7:35 pmHouston Hobby
Nov 5
HOU4:24 pmHouston Hobby
6h 59m
1 stop
PDX9:23 pmPortland
$252
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Delta flights from Portland to Houston

Our best Delta deals on Portland to Houston flight tickets
Delta
Oct 6
PDX12:40 amPortland
7h 18m
1 stop
IAH9:58 amHouston George Bush Intcntl
Oct 22
IAH4:00 pmHouston George Bush Intcntl
9h 57m
2 stops
PDX11:57 pmPortland
$202
Find similar
Delta
Oct 22
PDX12:40 amPortland
7h 18m
1 stop
IAH9:58 amHouston George Bush Intcntl
Oct 28
IAH7:00 amHouston George Bush Intcntl
6h 45m
1 stop
PDX11:45 amPortland
$207
Find similar
Delta
Oct 23
PDX1:55 pmPortland
7h 01m
1 stop
IAH10:56 pmHouston George Bush Intcntl
Oct 28
IAH6:40 amHouston George Bush Intcntl
9h 58m
2 stops
PDX2:38 pmPortland
$212
Find similar

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 September 16, 2025.
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

Tue 10/21

10:38 am-4:40 pm

Nonstop4h 02m

Houston George Bush Intcntl

Sat 10/25

5:45 pm-8:11 pm

Nonstop4h 26m

$177

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 10/14

12:43 pm-10:29 am

1 stop19h 46m

Houston George Bush Intcntl

Tue 10/21

11:36 am-11:48 am

1 stop26h 12m

$181

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 10/21

1:44 pm-10:08 pm

1 stop6h 24m

Houston George Bush Intcntl

Sat 10/25

4:58 pm-7:26 pm

Nonstop4h 28m

$183

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 10/31

1:15 pm-7:20 pm

Nonstop4h 05m

Houston George Bush Intcntl

Wed 11/5

8:00 pm-10:45 pm

Nonstop4h 45m

$187

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 10/30

10:47 am-4:50 pm

Nonstop4h 03m

Houston George Bush Intcntl

Mon 11/3

5:51 pm-8:23 pm

Nonstop4h 32m

$197

PortlandHouston

PDX - HOU

PDXHOU

Portland

Tue 10/21

11:59 pm-8:28 am

1 stop6h 29m

Houston Hobby

Sat 10/25

6:00 am-10:58 am

1 stop6h 58m

$197

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 11/19

1:38 pm-11:52 pm

1 stop8h 14m

Houston George Bush Intcntl

Fri 12/12

5:55 pm-8:39 pm

Nonstop4h 44m

$201

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 10/22

1:25 pm-11:25 pm

1 stop8h 00m

Houston Hobby

Tue 10/28

5:30 pm-11:45 pm

2 stops8h 15m

$202

PortlandHouston

PDX - HOU

PDXHOU

Portland

Thu 11/20

11:59 pm-8:35 am

1 stop6h 36m

Houston Hobby

Sat 11/22

8:20 pm-12:50 am

1 stop6h 30m

$207

PortlandHouston

PDX - HOU

PDXHOU

Portland

Tue 10/21

6:15 am-7:20 pm

2 stops11h 05m

Houston Hobby

Sat 10/25

6:05 am-10:30 am

1 stop6h 25m

$208

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 August is, on average, the cheapest month to fly to Houston from Portland, with most prices found around $308. The month of June is another great option to travel to Houston, with average flight prices from Portland averaging around $317.

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

On average, the least expensive day to fly to Houston from Portland is on a Thursday. momondo users have found tickets for Thursday departures for as low as $377. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $481.

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 in the afternoon. Our users have found flights to Houston in the afternoon for as low as $367. Try not to purchase tickets in the evening because they tend to be around $555. 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 $367 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 $284 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 02m

Direct flights

Every day

Airports in Houston

1 airport
The fastest flight from Portland to Houston takes 4h 02m
Direct flights go from Portland to Houston every day.
There is 1 airport near Houston: 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 02m.

  • 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 $76Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $125Free CancellationRating
7.8
2,724 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $128Free CancellationRating
5.8
3,174 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $206Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,242 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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