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Cheap flights from Portland to Houston from $74

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 12/4. 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

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Frontier Logo
5:32 pm - 7:12 pmPDX-IAH
23h 40m1 stop
Frontier Logo
7:24 pm - 4:37 pmIAH-PDX
23h 13m1 stop
$175Frontier
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Mon, Dec 8 - Wed, Dec 10
Multiple Airlines Logo
11:14 am - 9:33 pmPDX-IAH
8h 19m1 stop
Multiple Airlines Logo
6:08 am - 10:50 amIAH-PDX
6h 42m1 stop
$176Multiple Airlines
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Thu, Dec 4 - Tue, Dec 9
United Airlines Logo
12:59 pm - 7:10 pmPDX-IAH
4h 11mnonstop
United Airlines Logo
9:30 am - 12:18 pmIAH-PDX
4h 48mnonstop
$177United Airlines
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Tue, Jan 27 - Wed, Feb 4
Delta Logo
12:40 am - 4:15 pmPDX-IAH
13h 35m2 stops
Delta Logo
6:41 pm - 11:55 pmIAH-PDX
7h 14m1 stop
$182Delta
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Fri, Jan 30 - Mon, Feb 9
United Airlines Logo
1:35 pm - 9:59 pmPDX-IAH
6h 24m1 stop
United Airlines Logo
9:30 am - 12:18 pmIAH-PDX
4h 48mnonstop
$183United Airlines
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Sat, Jan 17 - Tue, Jan 20
Frontier Logo
12:51 pm - 12:31 amPDX-IAH
9h 40m1 stop
Frontier Logo
10:45 am - 11:43 amIAH-PDX
26h 58m1 stop
$184Frontier
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Thu, Dec 11 - Wed, Dec 17
Alaska Airlines Logo
2:38 pm - 11:54 pmPDX-IAH
7h 16m1 stop
Alaska Airlines Logo
5:55 pm - 8:41 pmIAH-PDX
4h 46mnonstop
$185Alaska Airlines
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Wed, Jan 14 - Tue, Jan 20
Delta Logo
12:32 am - 10:12 amPDX-IAH
7h 40m1 stop
Delta Logo
7:15 pm - 12:04 amIAH-PDX
6h 49m1 stop
$188Delta
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Wed, Dec 10 - Wed, Dec 17
Southwest Logo
8:45 am - 5:15 pmPDX-HOU
6h 30m1 stop
Southwest Logo
1:40 pm - 7:15 pmHOU-PDX
7h 35m1 stop
$197Southwest
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Sat, Feb 7 - Tue, Feb 10
Southwest Logo
6:10 am - 5:00 pmPDX-HOU
8h 50m2 stops
Southwest Logo
3:10 pm - 7:55 pmHOU-PDX
6h 45m1 stop
$202Southwest
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Sat, Jan 17 - Tue, Jan 20

Southwest flights from Portland to Houston

Our best Southwest deals on Portland to Houston flight tickets
Southwest
Feb 7
PDX8:45 amPortland
6h 30m
1 stop
HOU5:15 pmHouston Hobby
Feb 10
HOU1:40 pmHouston Hobby
7h 35m
1 stop
PDX7:15 pmPortland
$197
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Southwest
Jan 17
PDX6:10 amPortland
8h 50m
2 stops
HOU5:00 pmHouston Hobby
Jan 20
HOU3:10 pmHouston Hobby
6h 45m
1 stop
PDX7:55 pmPortland
$202
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Southwest
Feb 27
PDX3:30 pmPortland
6h 20m
1 stop
HOU11:50 pmHouston Hobby
Mar 3
HOU6:15 amHouston Hobby
6h 20m
1 stop
PDX10:35 amPortland
$217
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American Airlines flights from Portland to Houston

Our best American Airlines deals on Portland to Houston flight tickets
American Airlines
Jan 10
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
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American Airlines
Dec 12
PDX11:59 pmPortland
7h 39m
1 stop
HOU9:38 amHouston Hobby
Dec 16
HOU6:36 pmHouston Hobby
6h 47m
1 stop
PDX11:23 pmPortland
$216
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American Airlines
Jan 18
PDX11:59 pmPortland
6h 35m
1 stop
HOU8:34 amHouston Hobby
Feb 1
HOU6:00 amHouston Hobby
7h 45m
1 stop
PDX11:45 amPortland
$236
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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 November 21, 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

Mon 12/8

5:32 pm-7:12 pm

1 stop23h 40m

Houston George Bush Intcntl

Wed 12/10

7:24 pm-4:37 pm

1 stop23h 13m

$175

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 12/4

11:14 am-9:33 pm

1 stop8h 19m

Houston George Bush Intcntl

Tue 12/9

6:08 am-10:50 am

1 stop6h 42m

$176

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 1/27

12:59 pm-7:10 pm

Nonstop4h 11m

Houston George Bush Intcntl

Wed 2/4

9:30 am-12:18 pm

Nonstop4h 48m

$177

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 1/30

12:40 am-4:15 pm

2 stops13h 35m

Houston George Bush Intcntl

Mon 2/9

6:41 pm-11:55 pm

1 stop7h 14m

$182

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 1/17

1:35 pm-9:59 pm

1 stop6h 24m

Houston George Bush Intcntl

Tue 1/20

9:30 am-12:18 pm

Nonstop4h 48m

$183

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 12/11

12:51 pm-12:31 am

1 stop9h 40m

Houston George Bush Intcntl

Wed 12/17

10:45 am-11:43 am

1 stop26h 58m

$184

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 1/14

2:38 pm-11:54 pm

1 stop7h 16m

Houston George Bush Intcntl

Tue 1/20

5:55 pm-8:41 pm

Nonstop4h 46m

$185

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 12/10

12:32 am-10:12 am

1 stop7h 40m

Houston George Bush Intcntl

Wed 12/17

7:15 pm-12:04 am

1 stop6h 49m

$188

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 2/7

8:45 am-5:15 pm

1 stop6h 30m

Houston Hobby

Tue 2/10

1:40 pm-7:15 pm

1 stop7h 35m

$197

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 1/17

6:10 am-5:00 pm

2 stops8h 50m

Houston Hobby

Tue 1/20

3:10 pm-7:55 pm

1 stop6h 45m

$202

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 $297.

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 $533. 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 $355 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 $275 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)
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  • 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 $76Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $128Free CancellationRating
7.8
2,811 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $137Free CancellationRating
5.8
3,103 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
8.0
11,326 reviews
Search Alaska Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $232Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $288Free CancellationRating
8.0
4,251 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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