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$129+ 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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Houston are usually found in July or June, booked 1 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap 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 June 30, 2025.

Round-trip from

$257
(Delta)

One-way from

$129
(Delta)

Popular in

December

Cheapest in

July

Average price

$263
From Portland to Houston
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One-way flight from Portland to Houston
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Highest demand for flights based on searches. 16% potential increase in price ($77 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 30, 2025.

This Delta deal was found by Cheapflights users on 6/28. 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 8/76:00 amPWM - IAH
1 stop5h 47mDelta
Thu 8/143:58 pmIAH - PWM
1 stop7h 05mDelta
Deal found 6/28$257
This Southwest deal was found by Cheapflights users on 6/29. 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.
Fri 9/55:50 amPWM - HOU
1 stop7h 55mSouthwest
Sun 9/75:25 pmHOU - PWM
1 stop5h 45mSouthwest
Deal found 6/29$257
This Delta deal was found by Cheapflights users on 6/29. 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 11/1510:00 amPWM - HOU
2 stops12h 40mDelta
Tue 11/181:00 pmHOU - PWM
2 stops9h 07mDelta
Deal found 6/29$267
This American Airlines deal was found by Cheapflights users on 6/30. 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 10/203:26 pmPWM - IAH
1 stop9h 17mAmerican Airlines
Tue 10/281:18 pmIAH - PWM
1 stop8h 27mAmerican Airlines
Deal found 6/30$314
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1712:58 pmPWM - HOU
1 stop7h 44mSun Country Air
Sun 7/206:06 pmHOU - PWM
1 stop17h 15mSun Country Air
Deal found 6/30$388
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/174:56 pmPWM - IAH
1 stop8h 44mUnited Airlines
Sun 7/204:40 pmIAH - PWM
1 stop6h 18mUnited Airlines
Deal found 6/30$484
This Mytrip deal was found by Cheapflights users on 6/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/73:17 pmPWM - IAH
2 stops15h 38mMultiple Airlines
Thu 8/147:16 pmIAH - PWM
2 stops21h 09mMultiple Airlines
Deal found 6/28$490
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/116:00 amPWM - HOU
2 stops10h 55mAmerican Airlines
Tue 7/158:58 amHOU - PWM
2 stops10h 26mAmerican Airlines
Deal found 6/30$494

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 June 30, 2025.
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

Thu 8/7

6:00 am-10:47 am

1 stop5h 47m

Houston George Bush Intcntl

Thu 8/14

3:58 pm-12:03 am

1 stop7h 05m

$257

PortlandHouston

PWM - HOU

PWMHOU

Portland

Fri 9/5

5:50 am-12:45 pm

1 stop7h 55m

Houston Hobby

Sun 9/7

5:25 pm-12:10 am

1 stop5h 45m

$257

PortlandHouston

PWM - HOU

PWMHOU

Portland

Sat 11/15

10:00 am-9:40 pm

2 stops12h 40m

Houston Hobby

Tue 11/18

1:00 pm-11:07 pm

2 stops9h 07m

$267

PortlandHouston

PWM - IAH

PWMIAH

Portland

Mon 10/20

3:26 pm-11:43 pm

1 stop9h 17m

Houston George Bush Intcntl

Tue 10/28

1:18 pm-10:45 pm

1 stop8h 27m

$314

PortlandHouston

PWM - HOU

PWMHOU

Portland

Thu 7/17

12:58 pm-7:42 pm

1 stop7h 44m

Houston Hobby

Sun 7/20

6:06 pm-12:21 pm

1 stop17h 15m

$388

PortlandHouston

PWM - IAH

PWMIAH

Portland

Thu 7/17

4:56 pm-12:40 am

1 stop8h 44m

Houston George Bush Intcntl

Sun 7/20

4:40 pm-11:58 pm

1 stop6h 18m

$484

PortlandHouston

PWM - IAH

PWMIAH

Portland

Thu 8/7

3:17 pm-5:55 am

2 stops15h 38m

Houston George Bush Intcntl

Thu 8/14

7:16 pm-5:25 pm

2 stops21h 09m

$490

PortlandHouston

PWM - HOU

PWMHOU

Portland

Fri 7/11

6:00 am-3:55 pm

2 stops10h 55m

Houston Hobby

Tue 7/15

8:58 am-8:24 pm

2 stops10h 26m

$494

PortlandHouston

PWM - IAH

PWMIAH

Portland

Tue 7/29

6:54 pm-11:51 pm

1 stop5h 57m

$129

PortlandHouston

PWM - HOU

PWMHOU

Portland

Sun 7/13

8:56 pm-5:19 pm

1 stop21h 23m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 18 results
1
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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, September is the cheapest month in which you can book a flight from Portland, Maine to Houston (average of $230). Flying from Portland, Maine to Houston in March is currently the most expensive (average of $332). 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.

What is the cheapest time of day to fly from PWM to HOU?

Find hourly flight availability from Portland to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from Portland, Maine to Houston by exploring options for tickets in the evening.

What is the cheapest day to fly from Portland, Maine to Houston?

Use this chart to determine the cheapest time to fly round-trip from Portland to Houston. Price data was last updated on September 8, 2024.

Travelers seeking maximum savings on their Portland, Maine to Houston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Portland, Maine to Houston?

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 June 30, 2025.
Read through reviews of airlines operating flights from Portland to Houston, such as Southwest, Delta, and Avelo Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,278 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Avelo Airlines
7.4
Good
Southwest
8.0
Very good
4,278 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 5 airlines. Portland is conveniently located just 2.9 mi from Portland’s city center.

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

    According to our current data, Delta ($257), Southwest ($257), and American Airlines ($314) offers the cheapest pricing from Portland, Maine to Houston. Delta is 35% 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?

    $129 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Avelo Airlines and Frontier, with prices starting from $172 and $206, 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, September is the cheapest month in which you can book a flight from Portland, Maine to Houston (average of $230). Flying from Portland, Maine to Houston in March is currently the most expensive (average of $332). 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 5 airlines flying from Portland to Houston

Discover the top 5 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$185Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$208Average$378FlexibilityNo cancel feeOn-time71%
FrontierCheapest$208Average$218FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$260Average$451FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$316Average$576FlexibilityNo cancel feeOn-time63%

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