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$130+ Cheap flights from Portland, ME (PWM) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Portland to Houston

Cheapest flights from Portland to Houston
Explore the most affordable flight options available from Portland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/269:47 amPWM - IAH
1 stop26h 24mMultiple Airlines
Fri 1/3011:08 amIAH - PWM
1 stop29h 30mMultiple Airlines
Deal found 1/1$230
This American Airlines deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/125:40 pmPWM - IAH
1 stop7h 13mAmerican Airlines
Tue 2/171:16 pmIAH - PWM
1 stop8h 43mAmerican Airlines
Deal found 12/31$255
This Delta deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:35 pmPWM - IAH
1 stop6h 22mDelta
Mon 5/185:55 amIAH - PWM
1 stop5h 23mDelta
Deal found 1/1$259
This Delta deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/65:30 amPWM - IAH
2 stops14h 16mDelta
Tue 2/1010:25 amIAH - PWM
1 stop5h 51mDelta
Deal found 12/31$260
This Delta deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/65:30 amPWM - IAH
2 stops14h 16mDelta
Sun 2/83:03 pmIAH - PWM
2 stops8h 17mDelta
Deal found 12/31$269
This Delta deal was found by Cheapflights users on 1/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:18 amPWM - IAH
1 stop6h 52mDelta
Thu 3/122:59 pmIAH - PWM
2 stops8h 00mDelta
Deal found 1/2$284
This American Airlines deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:40 pmPWM - IAH
1 stop7h 13mAmerican Airlines
Wed 3/412:21 pmIAH - PWM
2 stops10h 29mAmerican Airlines
Deal found 12/31$291
This American Airlines deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/155:40 pmPWM - IAH
1 stop7h 13mAmerican Airlines
Wed 2/181:16 pmIAH - PWM
1 stop8h 43mAmerican Airlines
Deal found 12/31$298
This American Airlines deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2612:46 pmPWM - HOU
2 stops11h 00mAmerican Airlines
Fri 1/3012:47 pmHOU - PWM
2 stops8h 20mAmerican Airlines
Deal found 1/1$310
This Delta deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/171:13 pmPWM - HOU
2 stops10h 20mDelta
Wed 1/2111:09 amHOU - PWM
2 stops11h 13mDelta
Deal found 1/1$320
This Delta deal was found by Cheapflights users on 12/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:00 amPWM - HOU
2 stops11h 28mDelta
Tue 2/1710:50 amHOU - PWM
2 stops11h 30mDelta
Deal found 12/31$325
This Southwest deal was found by Cheapflights users on 1/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2612:45 pmPWM - HOU
1 stop9h 00mSouthwest
Fri 1/306:00 amHOU - PWM
1 stop5h 10mSouthwest
Deal found 1/1$359

Find flight deals from Portland to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 2, 2026.

Round-trip from

$230
(Kiwi.com)

One-way from

$130
(Delta)

Popular in

April

Cheapest in

July

Average price

$327
From Portland to Houston
Search Deals
One-way flight from Portland to Houston
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 2, 2026.
Use the filters below to find and compare flights from Portland to Houston that are best for you.

Fly from

Portland

Fly to

Houston

Route

Depart

Return

Price

PortlandHouston

PWM - IAH

PWMIAH

Portland

Mon 1/26

9:47 am-11:11 am

1 stop26h 24m

Houston George Bush Intcntl

Fri 1/30

11:08 am-5:38 pm

1 stop29h 30m

$230

PortlandHouston

PWM - IAH

PWMIAH

Portland

Fri 2/27

12:13 pm-6:26 pm

1 stop7h 13m

Houston George Bush Intcntl

Wed 3/4

5:30 am-12:00 pm

1 stop5h 30m

$255

PortlandHouston

PWM - IAH

PWMIAH

Portland

Thu 2/12

5:40 pm-11:53 pm

1 stop7h 13m

Houston George Bush Intcntl

Tue 2/17

5:16 pm-11:50 pm

1 stop5h 34m

$255

PortlandHouston

PWM - IAH

PWMIAH

Portland

Fri 2/6

5:07 pm-10:40 pm

1 stop6h 33m

Houston George Bush Intcntl

Tue 2/10

10:20 am-4:37 pm

1 stop5h 17m

$255

PortlandHouston

PWM - IAH

PWMIAH

Portland

Wed 5/13

4:50 pm-9:59 pm

1 stop6h 09m

Houston George Bush Intcntl

Mon 5/18

5:55 am-12:18 pm

1 stop5h 23m

$259

PortlandHouston

PWM - IAH

PWMIAH

Portland

Fri 2/6

5:07 pm-10:40 pm

1 stop6h 33m

Houston George Bush Intcntl

Sun 2/8

7:00 am-4:37 pm

1 stop8h 37m

$259

PortlandHouston

PWM - IAH

PWMIAH

Portland

Sat 2/7

5:30 am-11:31 am

1 stop7h 01m

Houston George Bush Intcntl

Mon 2/9

3:03 pm-12:20 am

2 stops8h 17m

$260

PortlandHouston

PWM - IAH

PWMIAH

Portland

Fri 2/6

5:30 am-6:46 pm

2 stops14h 16m

Houston George Bush Intcntl

Tue 2/10

10:25 am-5:16 pm

1 stop5h 51m

$260

PortlandHouston

PWM - HOU

PWMHOU

Portland

Mon 1/26

12:46 pm-10:46 pm

2 stops11h 00m

Houston Hobby

Fri 1/30

12:47 pm-10:07 pm

2 stops8h 20m

$310

PortlandHouston

PWM - HOU

PWMHOU

Portland

Sat 1/17

1:13 pm-10:33 pm

2 stops10h 20m

Houston Hobby

Wed 1/21

11:09 am-11:22 pm

2 stops11h 13m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 31 results
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Best time to book a flight from Portland to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Houston

What is the cheapest month to book a flight from Portland, Maine to Houston?

Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Houston (average of $120). Flying from Portland, Maine to Houston in October is currently the most expensive (average of $217). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated January 2, 2026.
Read through reviews of airlines operating flights from Portland to Houston, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,254 reviews
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,021 reviews
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,132 reviews
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,074 reviews
Southwest
8.0
Very good
4,254 reviews

Entertainment

7.5

Boarding

8.1

Food

7.0

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Portland to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Houston?

    Most people fly from Portland (PWM) if they book a flight from Portland to Houston. On average, Portland has 0 outbound flights to Houston per day from 4 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

  • How long is the flight from Portland, Maine to Houston?

    Airlines like Delta, American Airlines, and Southwest fly from Portland, Maine to Houston in about 7h 13m. The time it takes to get you to your destination can typically vary by up to 1h 47m. There are 1664 mi between Portland, Maine and Houston. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Portland, Maine to Houston round-trip?

    According to our current data, Delta ($158), American Airlines ($171), and United Airlines ($247) offers the cheapest pricing from Portland, Maine to Houston. Delta is 56% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Portland, Maine to Houston one-way?

    $128 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Southwest and Delta, with prices starting from $128 and $128, respectively.

  • Can I find deals for flights from Portland to Houston that include hotel bookings?

    Yes. In addition to deals on Portland to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Houston.

  • Can I find deals for business class flights from Portland to Houston?

    Yes. Cheapflights offers flight deals from Portland to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Houston?

    Currently, February is the cheapest month in which you can book a flight from Portland, Maine to Houston (average of $120). Flying from Portland, Maine to Houston in October is currently the most expensive (average of $217). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Portland to Houston

Discover the top 4 airlines that operate flights from Portland to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$169Average$346FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$171Average$345FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$251Average$471FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$272Average$514FlexibilityNo cancel feeOn-time63%

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