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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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HOU
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Houston are usually found in July or September, booked 47 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

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 diciembre 12, 2025.

This Delta deal was found by Cheapflights users on 12/11. 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.
jue. 12/186:08 amPWM - IAH
1 stop7h 23mDelta
jue. 12/255:20 amIAH - PWM
1 stop5h 57mDelta
Deal found 12/11$354
This American Airlines deal was found by Cheapflights users on 12/11. 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.
jue. 12/187:17 amPWM - IAH
1 stop7h 46mAmerican Airlines
jue. 12/257:26 amIAH - PWM
2 stops9h 45mAmerican Airlines
Deal found 12/11$384
This United Airlines deal was found by Cheapflights users on 12/9. 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.
jue. 12/182:55 pmPWM - IAH
1 stop8h 50mUnited Airlines
mar. 12/231:35 pmIAH - PWM
1 stop8h 47mUnited Airlines
Deal found 12/9$461
This United Airlines deal was found by Cheapflights users on 12/10. 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.
sáb. 12/134:25 pmPWM - IAH
1 stop8h 34mUnited Airlines
mié. 12/176:30 amIAH - PWM
1 stop6h 52mUnited Airlines
Deal found 12/10$467
This Delta deal was found by Cheapflights users on 12/10. 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.
sáb. 12/136:08 amPWM - IAH
2 stops11h 26mDelta
mié. 12/175:10 amIAH - PWM
2 stops9h 57mDelta
Deal found 12/10$477
This American Airlines deal was found by Cheapflights users on 12/10. 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.
vie. 12/125:17 pmPWM - IAH
1 stop6h 46mAmerican Airlines
dom. 12/145:15 pmIAH - PWM
1 stop5h 22mAmerican Airlines
Deal found 12/10$517
This United Airlines deal was found by Cheapflights users on 12/9. 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.
jue. 12/252:55 pmPWM - IAH
1 stop8h 50mUnited Airlines
lun. 12/297:25 amIAH - PWM
1 stop6h 15mUnited Airlines
Deal found 12/9$519
This American Airlines deal was found by Cheapflights users on 12/10. 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.
dom. 12/216:00 amPWM - HOU
2 stops10h 47mAmerican Airlines
lun. 1/55:40 amHOU - PWM
2 stops9h 59mAmerican Airlines
Deal found 12/10$705
This American Airlines deal was found by Cheapflights users on 12/10. 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.
lun. 12/226:00 amPWM - HOU
2 stops10h 47mAmerican Airlines
vie. 12/2612:09 pmHOU - PWM
2 stops9h 46mAmerican Airlines
Deal found 12/10$757
This American Airlines deal was found by Cheapflights users on 12/10. 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.
mar. 12/236:00 amPWM - HOU
2 stops10h 49mAmerican Airlines
vie. 12/2612:09 pmHOU - PWM
2 stops9h 46mAmerican Airlines
Deal found 12/10$917
This American Airlines deal was found by Cheapflights users on 12/11. 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.
vie. 12/265:45 amPWM - HOU
2 stops11h 02mAmerican Airlines
mar. 12/305:40 amHOU - PWM
2 stops9h 59mAmerican Airlines
Deal found 12/11$932
This Delta deal was found by Cheapflights users on 12/10. 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.
vie. 12/126:08 amPWM - HOU
1 stop8h 20mDelta
dom. 12/146:00 amHOU - PWM
2 stops9h 07mDelta
Deal found 12/10$959

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 diciembre 12, 2025.

Round-trip from

$225
(Kiwi.com)

One-way from

$129
(American Airlines)

Popular in

April

Cheapest in

July

Average price

$374
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 ($131 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 December 2025
Search Deals

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 diciembre 12, 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

sáb. 1/17

5:30 am-12:48 pm

1 stop8h 18m

Houston George Bush Intcntl

mar. 1/20

10:25 am-5:16 pm

1 stop5h 51m

$251

PortlandHouston

PWM - IAH

PWMIAH

Portland

mié. 1/21

12:20 pm-6:46 pm

1 stop7h 26m

Houston George Bush Intcntl

sáb. 1/24

5:15 am-12:08 pm

1 stop5h 53m

$251

PortlandHouston

PWM - IAH

PWMIAH

Portland

mié. 2/25

12:15 pm-6:26 pm

1 stop7h 11m

Houston George Bush Intcntl

mié. 3/4

5:30 am-12:00 pm

1 stop5h 30m

$251

PortlandHouston

PWM - IAH

PWMIAH

Portland

mié. 1/28

6:00 am-1:59 pm

1 stop8h 59m

Houston George Bush Intcntl

mié. 2/4

5:15 am-12:03 pm

1 stop5h 48m

$251

PortlandHouston

PWM - IAH

PWMIAH

Portland

sáb. 1/24

6:17 am-3:23 pm

1 stop10h 06m

Houston George Bush Intcntl

mié. 1/28

10:25 am-5:16 pm

1 stop5h 51m

$251

PortlandHouston

PWM - IAH

PWMIAH

Portland

lun. 1/26

11:29 am-9:43 pm

1 stop11h 14m

Houston George Bush Intcntl

mar. 1/27

4:35 pm-10:22 am

2 stops16h 47m

$253

PortlandHouston

PWM - IAH

PWMIAH

Portland

mié. 2/4

6:00 am-1:43 pm

1 stop8h 43m

Houston George Bush Intcntl

vie. 2/6

5:14 pm-11:43 pm

1 stop5h 29m

$255

PortlandHouston

PWM - IAH

PWMIAH

Portland

sáb. 1/17

3:05 pm-11:59 pm

1 stop9h 54m

Houston George Bush Intcntl

dom. 1/18

6:30 am-1:56 pm

1 stop6h 26m

$255

PortlandHouston

PWM - IAH

PWMIAH

Portland

jue. 1/29

5:30 am-11:31 am

1 stop7h 01m

Houston George Bush Intcntl

mié. 2/4

2:55 pm-11:22 pm

1 stop7h 27m

$255

PortlandHouston

PWM - HOU

PWMHOU

Portland

mar. 3/3

2:35 pm-10:28 pm

2 stops8h 53m

Houston Hobby

mar. 3/10

2:05 pm-11:24 pm

1 stop8h 19m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 32 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 $123). 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.

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 diciembre 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 26% 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 December 16, 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. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 diciembre 12, 2025.
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
7.9
Good
4,253 reviews

Overall

7.9

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Overall

7.9

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
8,008 reviews
Southwest
7.9
Good
4,253 reviews

Overall

7.9

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Overall

7.9

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Overall

7.9

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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
Frontier
5.8
Fair
3,084 reviews
Southwest
7.9
Good
4,253 reviews

Overall

7.9

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

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 5 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 fly from Portland, Maine to Houston in about 8h 18m. The time it takes to get you to your destination can typically vary by up to . There are 1664 mi between Portland, Maine and Houston.

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

    According to our current data, Delta ($158), American Airlines ($189), and Frontier ($218) 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 $123). 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

Browse thousands of different options on Cheapflights for your next trip

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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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$185Average$342FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$347FlexibilityNo cancel feeOn-time71%
FrontierCheapest$218Average$218FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$258Average$461FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$272Average$507FlexibilityNo cancel feeOn-time63%

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