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Cheap flights from Portland to Houston from $86

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 5/17. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:15 pm - 12:41 am
PDX
-
IAH
6h 26m
1 stop
United Airlines Logo
8:17 pm - 10:48 pm
IAH
-
PDX
4h 31mnonstop
$267United Airlines
Sat, May 23 - Wed, May 27
Frontier Logo
12:26 pm - 9:13 pm
PDX
-
IAH
6h 47m
1 stop
Frontier Logo
6:30 am - 4:53 pm
IAH
-
PDX
12h 23m
1 stop
$270Frontier
Thu, Jul 9 - Sun, Jul 12
Multiple Airlines Logo
12:35 pm - 10:44 am
PDX
-
IAH
20h 09m
1 stop
Multiple Airlines Logo
5:57 pm - 8:29 pm
IAH
-
PDX
4h 32mnonstop
$273Multiple Airlines
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
11:15 am - 8:05 pm
PDX
-
IAH
6h 50m
1 stop
Multiple Airlines Logo
5:57 pm - 8:29 pm
IAH
-
PDX
4h 32mnonstop
$274Multiple Airlines
Fri, Jun 5 - Tue, Jun 9
Frontier Logo
5:31 pm - 9:30 pm
PDX
-
IAH
25h 59m
2 stops
Frontier Logo
6:30 am - 4:35 pm
IAH
-
PDX
12h 05m
1 stop
$276Frontier
Fri, Jun 5 - Tue, Jun 9
American Airlines Logo
11:40 pm - 9:47 am
PDX
-
IAH
8h 07m
1 stop
American Airlines Logo
6:50 pm - 12:50 am
IAH
-
PDX
8h 00m
1 stop
$277American Airlines
Wed, May 20 - Tue, Jun 2
American Airlines Logo
11:43 pm - 8:57 am
PDX
-
HOU
7h 14m
1 stop
American Airlines Logo
8:23 pm - 12:50 am
HOU
-
PDX
6h 27m
1 stop
$277American Airlines
Sat, May 23 - Sat, May 30
Delta Logo
9:39 pm - 9:32 am
PDX
-
HOU
9h 53m
1 stop
Delta Logo
10:27 am - 10:02 pm
HOU
-
PDX
13h 35m
2 stops
$282Delta
Wed, May 27 - Wed, Jun 3
Delta Logo
11:12 pm - 12:11 pm
PDX
-
HOU
10h 59m
2 stops
Delta Logo
10:27 am - 10:02 pm
HOU
-
PDX
13h 35m
2 stops
$288Delta
Wed, May 27 - Wed, Jun 3
Southwest Logo
5:00 am - 2:30 pm
PDX
-
HOU
7h 30m
2 stops
Southwest Logo
7:55 pm - 12:05 am
HOU
-
PDX
6h 10m
1 stop
$332Southwest
Fri, Jun 5 - Tue, Jun 9

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Southwest flights from Portland to Houston

Our best Southwest deals on Portland to Houston flight tickets
Southwest
May 28
PDX11:55 pmPortland
7h 40m
1 stop
HOU9:35 amHouston Hobby
Jun 1
HOU7:50 pmHouston Hobby
6h 35m
1 stop
PDX12:25 amPortland
$337
Southwest
May 28
PDX11:55 pmPortland
10h 20m
2 stops
HOU12:15 pmHouston Hobby
Jun 1
HOU7:50 pmHouston Hobby
6h 35m
1 stop
PDX12:25 amPortland
$342
Southwest
Jun 5
PDX5:00 amPortland
7h 30m
2 stops
HOU2:30 pmHouston Hobby
Jun 9
HOU7:55 pmHouston Hobby
6h 10m
1 stop
PDX12:05 amPortland
$352

American Airlines flights from Portland to Houston

Our best American Airlines deals on Portland to Houston flight tickets
American Airlines
May 23
PDX11:43 pmPortland
7h 14m
1 stop
HOU8:57 amHouston Hobby
May 30
HOU8:23 pmHouston Hobby
6h 27m
1 stop
PDX12:50 amPortland
$277
American Airlines
May 22
PDX12:40 amPortland
6h 17m
1 stop
HOU8:57 amHouston Hobby
May 30
HOU8:23 pmHouston Hobby
6h 27m
1 stop
PDX12:50 amPortland
$278
American Airlines
May 18
PDX12:59 amPortland
6h 27m
1 stop
HOU9:26 amHouston Hobby
May 26
HOU8:23 pmHouston Hobby
6h 27m
1 stop
PDX12:50 amPortland
$297

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 April 30, 2026.
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

Cheapest round-trip
Quickest round-trip

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 5/23

4:15 pm-12:41 am

1 stop6h 26m

Houston George Bush Intcntl

Wed 5/27

8:17 pm-10:48 pm

Nonstop4h 31m

$267

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 7/9

12:26 pm-9:13 pm

1 stop6h 47m

Houston George Bush Intcntl

Sun 7/12

6:30 am-4:53 pm

1 stop12h 23m

$270

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 5/23

12:35 pm-10:44 am

1 stop20h 09m

Houston George Bush Intcntl

Sat 5/30

5:57 pm-8:29 pm

Nonstop4h 32m

$273

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 6/5

11:15 am-8:05 pm

1 stop6h 50m

Houston George Bush Intcntl

Tue 6/9

5:57 pm-8:29 pm

Nonstop4h 32m

$274

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 6/5

5:31 pm-9:30 pm

2 stops25h 59m

Houston George Bush Intcntl

Tue 6/9

6:30 am-4:35 pm

1 stop12h 05m

$276

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 5/20

11:40 pm-9:47 am

1 stop8h 07m

Houston George Bush Intcntl

Tue 6/2

6:50 pm-12:50 am

1 stop8h 00m

$277

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 5/23

11:43 pm-8:57 am

1 stop7h 14m

Houston Hobby

Sat 5/30

8:23 pm-12:50 am

1 stop6h 27m

$277

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 5/27

9:39 pm-9:32 am

1 stop9h 53m

Houston Hobby

Wed 6/3

10:27 am-10:02 pm

2 stops13h 35m

$282

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 5/27

11:12 pm-12:11 pm

2 stops10h 59m

Houston Hobby

Wed 6/3

10:27 am-10:02 pm

2 stops13h 35m

$288

PortlandHouston

PDX - HOU

PDXHOU

Portland

Fri 6/5

5:00 am-2:30 pm

2 stops7h 30m

Houston Hobby

Tue 6/9

7:55 pm-12:05 am

1 stop6h 10m

$332

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 May is, on average, the cheapest month to fly to Houston from Portland, with most prices found around $66. The month of June is another great option to travel to Houston, with average flight prices from Portland averaging around $67.

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 $466. Try not to purchase tickets in the evening because they tend to be around $535. 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 from Portland 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 $339 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 $260 on momondo.

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

Frequently asked questions about flying from Portland to Houston

  • 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
Hawaiian AirlinesPriceFrom $88Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $144Free CancellationRating
5.6
2,969 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $177Free CancellationRating
7.9
12,317 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $197Free CancellationRating
7.4
9,677 reviews
Search United Airlines flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,314 reviews
Search Southwest flights
DeltaPriceFrom $216Free CancellationRating
7.9
8,463 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,681 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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