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Cheap flights from Portland to Houston from $68

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 1/16. 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.
Alaska Airlines Logo
10:47 am - 4:55 pm
PDX
-
IAH
4h 08mnonstop
Alaska Airlines Logo
5:55 pm - 8:41 pm
IAH
-
PDX
4h 46mnonstop
$177Alaska Airlines
Tue, Jan 13 - Tue, Jan 20
Frontier Logo
12:04 pm - 12:39 am
PDX
-
IAH
10h 35m1 stop
Frontier Logo
6:45 am - 11:09 am
IAH
-
PDX
6h 24m1 stop
$182Frontier
Mon, Mar 9 - Thu, Mar 12
Frontier Logo
12:05 pm - 9:30 am
PDX
-
IAH
19h 25m1 stop
Frontier Logo
3:57 pm - 11:15 am
IAH
-
PDX
21h 18m1 stop
$183Frontier
Thu, Jan 8 - Sat, Jan 10
United Airlines Logo
12:59 pm - 7:10 pm
PDX
-
IAH
4h 11mnonstop
United Airlines Logo
9:30 am - 12:18 pm
IAH
-
PDX
4h 48mnonstop
$187United Airlines
Fri, Jan 9 - Sat, Jan 10
United Airlines Logo
1:35 pm - 9:59 pm
PDX
-
IAH
6h 24m1 stop
United Airlines Logo
12:25 pm - 6:56 pm
IAH
-
PDX
8h 31m1 stop
$188United Airlines
Wed, Jan 14 - Wed, Jan 21
Alaska Airlines Logo
1:38 pm - 11:54 pm
PDX
-
IAH
8h 16m1 stop
Alaska Airlines Logo
7:00 am - 12:38 pm
IAH
-
PDX
7h 38m1 stop
$195Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
2:13 pm - 10:46 pm
PDX
-
HOU
6h 33m1 stop
American Airlines Logo
12:47 pm - 6:51 pm
HOU
-
PDX
8h 04m1 stop
$196American Airlines
Wed, Jan 14 - Wed, Jan 21
Southwest Logo
6:00 am - 3:55 pm
PDX
-
HOU
7h 55m1 stop
Southwest Logo
6:15 am - 10:35 am
HOU
-
PDX
6h 20m1 stop
$207Southwest
Wed, Jan 21 - Fri, Jan 23
Southwest Logo
6:30 am - 5:50 pm
PDX
-
HOU
9h 20m2 stops
Southwest Logo
6:15 am - 10:35 am
HOU
-
PDX
6h 20m1 stop
$212Southwest
Wed, Jan 21 - Fri, Jan 23
American Airlines Logo
11:59 pm - 10:05 am
PDX
-
HOU
8h 06m1 stop
American Airlines Logo
6:36 pm - 11:32 pm
HOU
-
PDX
6h 56m1 stop
$216American Airlines
Sun, Jan 18 - Sun, Jan 25

American Airlines flights from Portland to Houston

Our best American Airlines deals on Portland to Houston flight tickets
American Airlines
Jan 14
PDX2:13 pmPortland
6h 33m
1 stop
HOU10:46 pmHouston Hobby
Jan 21
HOU12:47 pmHouston Hobby
8h 04m
1 stop
PDX6:51 pmPortland
$196
Find similar
American Airlines
Jan 18
PDX11:59 pmPortland
8h 06m
1 stop
HOU10:05 amHouston Hobby
Jan 25
HOU6:36 pmHouston Hobby
6h 56m
1 stop
PDX11:32 pmPortland
$216
Find similar
American Airlines
Jan 8
PDX11:59 pmPortland
8h 06m
1 stop
HOU10:05 amHouston Hobby
Jan 12
HOU6:00 amHouston Hobby
7h 45m
1 stop
PDX11:45 amPortland
$236
Find similar

Southwest flights from Portland to Houston

Our best Southwest deals on Portland to Houston flight tickets
Southwest
Jan 21
PDX11:25 amPortland
8h 50m
1 stop
HOU10:15 pmHouston Hobby
Jan 23
HOU6:15 amHouston Hobby
6h 20m
1 stop
PDX10:35 amPortland
$207
Find similar
Southwest
Jan 14
PDX2:15 pmPortland
5h 40m
1 stop
HOU9:55 pmHouston Hobby
Jan 21
HOU6:15 amHouston Hobby
6h 20m
1 stop
PDX10:35 amPortland
$217
Find similar
Southwest
Jan 14
PDX6:30 amPortland
9h 20m
2 stops
HOU5:50 pmHouston Hobby
Jan 21
HOU6:15 amHouston Hobby
6h 35m
1 stop
PDX10:50 amPortland
$222
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 December 18, 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 1/13

10:47 am-4:55 pm

Nonstop4h 08m

Houston George Bush Intcntl

Tue 1/20

5:55 pm-8:41 pm

Nonstop4h 46m

$177

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 3/9

12:04 pm-12:39 am

1 stop10h 35m

Houston George Bush Intcntl

Thu 3/12

6:45 am-11:09 am

1 stop6h 24m

$182

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 1/8

12:05 pm-9:30 am

1 stop19h 25m

Houston George Bush Intcntl

Sat 1/10

3:57 pm-11:15 am

1 stop21h 18m

$183

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 1/9

12:59 pm-7:10 pm

Nonstop4h 11m

Houston George Bush Intcntl

Sat 1/10

9:30 am-12:18 pm

Nonstop4h 48m

$187

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 1/14

1:35 pm-9:59 pm

1 stop6h 24m

Houston George Bush Intcntl

Wed 1/21

12:25 pm-6:56 pm

1 stop8h 31m

$188

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 1/14

1:38 pm-11:54 pm

1 stop8h 16m

Houston George Bush Intcntl

Wed 1/21

7:00 am-12:38 pm

1 stop7h 38m

$195

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 1/14

2:13 pm-10:46 pm

1 stop6h 33m

Houston Hobby

Wed 1/21

12:47 pm-6:51 pm

1 stop8h 04m

$196

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 1/21

6:00 am-3:55 pm

1 stop7h 55m

Houston Hobby

Fri 1/23

6:15 am-10:35 am

1 stop6h 20m

$207

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 1/21

6:30 am-5:50 pm

2 stops9h 20m

Houston Hobby

Fri 1/23

6:15 am-10:35 am

1 stop6h 20m

$212

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sun 1/18

11:59 pm-10:05 am

1 stop8h 06m

Houston Hobby

Sun 1/25

6:36 pm-11:32 pm

1 stop6h 56m

$216

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 typical price of a round-trip flight between Portland and 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 $288.

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 $536. 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 $352 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 $271 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 06m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Portland to Houston takes 4h 06m
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 06m.

  • 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 $70Free CancellationRating
6.3
8,189 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $128Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
11,479 reviews
Search Alaska Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,009 reviews
Search Delta flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,093 reviews
Search United Airlines flights
SouthwestPriceFrom $236Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,054 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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