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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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Houston are usually found in February or August, booked 80 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 April 30, 2025.

Round-trip from

$257
(American Airlines)

One-way from

$129
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$561
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. 7% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/14:00 pmPWM - IAH
1 stop7h 14mAmerican Airlines
Tue 7/811:51 amIAH - PWM
1 stop7h 39mAmerican Airlines
Deal found 4/29$257
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 7/112:55 pmPWM - HOU
1 stop8h 49mDelta
Tue 7/86:00 amHOU - PWM
2 stops9h 05mDelta
Deal found 4/28$262
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 7/112:55 pmPWM - IAH
2 stops11h 32mDelta
Tue 7/87:10 amIAH - PWM
2 stops8h 01mDelta
Deal found 4/28$267
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/99:30 pmPWM - IAH
1 stop14h 07mFrontier
Wed 5/149:05 pmIAH - PWM
1 stop22h 24mFrontier
Deal found 4/28$281
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Tue 5/134:01 pmPWM - HOU
2 stops8h 57mAmerican Airlines
Sat 5/175:00 amHOU - PWM
2 stops7h 22mAmerican Airlines
Deal found 4/27$366
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:55 pmPWM - IAH
1 stop6h 52mUnited Airlines
Mon 5/193:05 pmIAH - PWM
1 stop7h 22mUnited Airlines
Deal found 4/28$441
This Mytrip deal was found by Cheapflights users on 4/28. 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 5/158:07 pmPWM - IAH
2 stops29h 00mMultiple Airlines
Mon 5/196:36 amIAH - PWM
2 stops29h 29mMultiple Airlines
Deal found 4/28$509
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/152:30 pmPWM - HOU
2 stops9h 00mSouthwest
Mon 5/195:10 amHOU - PWM
2 stops9h 45mSouthwest
Deal found 4/28$538

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 April 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

Tue 7/1

4:00 pm-10:14 pm

1 stop7h 14m

Houston George Bush Intcntl

Tue 7/8

11:51 am-8:30 pm

1 stop7h 39m

$257

PortlandHouston

PWM - HOU

PWMHOU

Portland

Tue 7/1

12:55 pm-8:44 pm

1 stop8h 49m

Houston Hobby

Tue 7/8

6:00 am-4:05 pm

2 stops9h 05m

$262

PortlandHouston

PWM - IAH

PWMIAH

Portland

Tue 7/1

12:55 pm-11:27 pm

2 stops11h 32m

Houston George Bush Intcntl

Tue 7/8

7:10 am-4:11 pm

2 stops8h 01m

$267

PortlandHouston

PWM - IAH

PWMIAH

Portland

Fri 5/9

9:30 pm-10:37 am

1 stop14h 07m

Houston George Bush Intcntl

Wed 5/14

9:05 pm-8:29 pm

1 stop22h 24m

$281

PortlandHouston

PWM - HOU

PWMHOU

Portland

Tue 5/13

4:01 pm-11:58 pm

2 stops8h 57m

Houston Hobby

Sat 5/17

5:00 am-1:22 pm

2 stops7h 22m

$366

PortlandHouston

PWM - IAH

PWMIAH

Portland

Thu 5/15

6:55 pm-12:47 am

1 stop6h 52m

Houston George Bush Intcntl

Mon 5/19

3:05 pm-11:27 pm

1 stop7h 22m

$441

PortlandHouston

PWM - IAH

PWMIAH

Portland

Thu 5/15

8:07 pm-12:07 am

2 stops29h 00m

Houston George Bush Intcntl

Mon 5/19

6:36 am-1:05 pm

2 stops29h 29m

$509

PortlandHouston

PWM - HOU

PWMHOU

Portland

Thu 5/15

2:30 pm-10:30 pm

2 stops9h 00m

Houston Hobby

Mon 5/19

5:10 am-3:55 pm

2 stops9h 45m

$538

PortlandHouston

PWM - IAH

PWMIAH

Portland

Sun 6/15

6:33 pm-11:59 pm

1 stop6h 26m

$129

PortlandHouston

PWM - IAH

PWMIAH

Portland

Mon 5/5

9:30 pm-10:37 am

1 stop14h 07m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 results
1
2

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

How far ahead should I book a flight from Portland, Maine to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Houston. Price data was last updated on April 25, 2025.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland, Maine to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 April 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.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 April 30, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Portland to Houston. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,295 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,929 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Frontier
6.0
Okay
3,284 reviews
Southwest
8.0
Very good
4,295 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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, American Airlines ($257), Delta ($262), and Frontier ($281) offers the cheapest pricing from Portland, Maine to Houston. American Airlines is 41% 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 American Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $157 and $245, 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$163Average$210FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$393FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$423FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$261Average$454FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$322Average$577FlexibilityNo cancel feeOn-time63%

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