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Cheap flights from Portland to Houston from $109

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 9/26. 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

Frontier Logo
6:05 am - 11:09 amPDX-IAH
27h 04m1 stop
Frontier Logo
7:30 am - 10:34 pmIAH-PDX
17h 04m1 stop
$178Frontier
Find Deal
dom., sep. 14 - mar., sep. 16
Frontier Logo
7:15 am - 9:14 pmPDX-IAH
11h 59m1 stop
Frontier Logo
6:15 am - 12:12 amIAH-PDX
19h 57m1 stop
$185Frontier
Find Deal
sáb., sep. 20 - dom., sep. 28
United Airlines Logo
11:55 pm - 6:06 amPDX-IAH
4h 11mnonstop
United Airlines Logo
9:30 am - 11:56 amIAH-PDX
4h 26mnonstop
$192United Airlines
Find Deal
vie., sep. 26 - sáb., sep. 27
United Airlines Logo
11:55 pm - 6:06 amPDX-IAH
4h 11mnonstop
United Airlines Logo
8:25 am - 1:03 pmIAH-PDX
6h 38m1 stop
$202United Airlines
Find Deal
vie., sep. 26 - sáb., sep. 27
Alaska Airlines Logo
8:37 pm - 6:24 amPDX-IAH
7h 47m1 stop
Alaska Airlines Logo
7:28 pm - 12:15 amIAH-PDX
6h 47m1 stop
$216Alaska Airlines
Find Deal
jue., sep. 18 - vie., oct. 3
Southwest Logo
1:25 pm - 11:25 pmPDX-HOU
8h 00m1 stop
Southwest Logo
4:50 pm - 10:15 pmHOU-PDX
7h 25m1 stop
$217Southwest
Find Deal
mar., oct. 28 - sáb., nov. 1
Alaska Airlines Logo
10:33 am - 4:59 pmPDX-IAH
4h 26mnonstop
Alaska Airlines Logo
5:59 pm - 8:25 pmIAH-PDX
4h 26mnonstop
$237Alaska Airlines
Find Deal
mié., sep. 24 - jue., sep. 25
Southwest Logo
2:55 pm - 12:15 amPDX-HOU
7h 20m1 stop
Southwest Logo
9:40 am - 4:05 pmHOU-PDX
8h 25m1 stop
$237Southwest
Find Deal
jue., sep. 18 - mié., sep. 24
American Airlines Logo
5:38 am - 2:03 pmPDX-HOU
6h 25m1 stop
American Airlines Logo
2:33 pm - 6:54 pmHOU-PDX
6h 21m1 stop
$287American Airlines
Find Deal
mié., oct. 1 - vie., oct. 3
American Airlines Logo
11:42 am - 8:11 pmPDX-HOU
6h 29m1 stop
American Airlines Logo
6:11 pm - 11:08 pmHOU-PDX
6h 57m1 stop
$357American Airlines
Find Deal
vie., oct. 3 - dom., oct. 12

American Airlines flights from Portland to Houston

Our best American Airlines deals on Portland to Houston flight tickets
American Airlines
Oct 1
PDX5:38 amPortland
6h 25m
1 stop
HOU2:03 pmHouston Hobby
Oct 3
HOU2:33 pmHouston Hobby
6h 21m
1 stop
PDX6:54 pmPortland
$287
Find similar
American Airlines
Oct 3
PDX11:42 amPortland
6h 29m
1 stop
HOU8:11 pmHouston Hobby
Oct 12
HOU6:11 pmHouston Hobby
6h 57m
1 stop
PDX11:08 pmPortland
$357
Find similar
American Airlines
Sep 17
PDX9:00 amPortland
7h 10m
1 stop
HOU6:10 pmHouston Hobby
Sep 21
HOU6:00 amHouston Hobby
6h 52m
1 stop
PDX10:52 amPortland
$362
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Southwest flights from Portland to Houston

Our best Southwest deals on Portland to Houston flight tickets
Southwest
Oct 28
PDX1:25 pmPortland
8h 00m
1 stop
HOU11:25 pmHouston Hobby
Nov 1
HOU4:50 pmHouston Hobby
7h 25m
1 stop
PDX10:15 pmPortland
$217
Find similar
Southwest
Sep 18
PDX2:55 pmPortland
7h 20m
1 stop
HOU12:15 amHouston Hobby
Sep 24
HOU9:40 amHouston Hobby
8h 25m
1 stop
PDX4:05 pmPortland
$237
Find similar
Southwest
Oct 2
PDX6:40 amPortland
10h 20m
1 stop
HOU7:00 pmHouston Hobby
Oct 5
HOU7:40 pmHouston Hobby
7h 35m
1 stop
PDX1:15 amPortland
$242
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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 agosto 28, 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

dom. 9/14

6:05 am-11:09 am

1 stop27h 04m

Houston George Bush Intcntl

mar. 9/16

7:30 am-10:34 pm

1 stop17h 04m

$178

PortlandHouston

PDX - IAH

PDXIAH

Portland

sáb. 9/20

7:15 am-9:14 pm

1 stop11h 59m

Houston George Bush Intcntl

dom. 9/28

6:15 am-12:12 am

1 stop19h 57m

$185

PortlandHouston

PDX - IAH

PDXIAH

Portland

vie. 9/26

11:55 pm-6:06 am

Nonstop4h 11m

Houston George Bush Intcntl

sáb. 9/27

9:30 am-11:56 am

Nonstop4h 26m

$192

PortlandHouston

PDX - IAH

PDXIAH

Portland

vie. 9/26

11:55 pm-6:06 am

Nonstop4h 11m

Houston George Bush Intcntl

sáb. 9/27

8:25 am-1:03 pm

1 stop6h 38m

$202

PortlandHouston

PDX - IAH

PDXIAH

Portland

jue. 9/18

8:37 pm-6:24 am

1 stop7h 47m

Houston George Bush Intcntl

vie. 10/3

7:28 pm-12:15 am

1 stop6h 47m

$216

PortlandHouston

PDX - HOU

PDXHOU

Portland

mar. 10/28

1:25 pm-11:25 pm

1 stop8h 00m

Houston Hobby

sáb. 11/1

4:50 pm-10:15 pm

1 stop7h 25m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

mié. 9/24

10:33 am-4:59 pm

Nonstop4h 26m

Houston George Bush Intcntl

jue. 9/25

5:59 pm-8:25 pm

Nonstop4h 26m

$237

PortlandHouston

PDX - HOU

PDXHOU

Portland

jue. 9/18

2:55 pm-12:15 am

1 stop7h 20m

Houston Hobby

mié. 9/24

9:40 am-4:05 pm

1 stop8h 25m

$237

PortlandHouston

PDX - HOU

PDXHOU

Portland

mié. 10/1

5:38 am-2:03 pm

1 stop6h 25m

Houston Hobby

vie. 10/3

2:33 pm-6:54 pm

1 stop6h 21m

$287

PortlandHouston

PDX - HOU

PDXHOU

Portland

vie. 10/3

11:42 am-8:11 pm

1 stop6h 29m

Houston Hobby

dom. 10/12

6:11 pm-11:08 pm

1 stop6h 57m

$357

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 September is, on average, the cheapest month to fly to Houston from Portland, with most prices found around $287. 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 $562. 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 $370 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 $290 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
8,028 reviews
Search Spirit Airlines flights
FrontierPriceFrom $128Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,690 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $237Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,944 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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