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Portland

$139+ Cheap flights from Houston to Portland, ME (PWM)

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — PWM
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Portland are usually found in January or November, booked 73 days in advance, depart on a Tuesday or Friday and return on a Saturday

Cheap flight deals from Houston to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Portland (PWM). 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 August 21, 2025.

Round-trip from

$281
(Delta)

One-way from

$139
(United Airlines)

Popular in

April

Cheapest in

January

Average price

$392
From Houston to Portland
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One-way flight from Houston to Portland
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Highest demand for flights based on searches. 12% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Houston to Portland

Cheapest flights from Houston to Portland
Explore the most affordable flight options available from Houston to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/221:29 pmIAH - PWM
1 stop22h 17mFrontier
Sat 8/301:41 pmPWM - IAH
1 stop27h 04mFrontier
Deal found 8/20$255
This Delta deal was found by Cheapflights users on 8/19. 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 9/173:59 pmIAH - PWM
1 stop7h 12mDelta
Wed 9/246:33 amPWM - IAH
2 stops12h 01mDelta
Deal found 8/19$281
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Mon 10/204:54 pmIAH - PWM
1 stop6h 05mUnited Airlines
Wed 10/225:41 pmPWM - IAH
1 stop6h 49mUnited Airlines
Deal found 8/21$283
This Southwest deal was found by Cheapflights users on 8/19. 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.
Tue 9/1611:20 amHOU - PWM
1 stop6h 00mSouthwest
Sat 9/205:45 amPWM - HOU
2 stops10h 20mSouthwest
Deal found 8/19$288
This American Airlines deal was found by Cheapflights users on 8/20. 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 10/175:05 pmIAH - PWM
1 stop5h 46mAmerican Airlines
Tue 10/216:14 amPWM - IAH
1 stop7h 24mAmerican Airlines
Deal found 8/20$289
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/194:00 pmIAH - PWM
1 stop6h 05mAmerican Airlines
Wed 9/241:02 pmPWM - IAH
2 stops8h 13mAmerican Airlines
Deal found 8/19$294
This Delta deal was found by Cheapflights users on 8/19. 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 9/166:00 amHOU - PWM
1 stop5h 29mDelta
Tue 9/236:00 amPWM - HOU
2 stops12h 40mDelta
Deal found 8/19$294
This Southwest deal was found by Cheapflights users on 8/21. 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.
Tue 10/143:45 pmHOU - PWM
1 stop5h 45mSouthwest
Tue 10/215:25 pmPWM - HOU
1 stop6h 25mSouthwest
Deal found 8/21$296
This Southwest deal was found by Cheapflights users on 8/19. 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.
Tue 9/165:55 amHOU - PWM
1 stop6h 05mSouthwest
Tue 9/235:50 amPWM - HOU
1 stop9h 20mSouthwest
Deal found 8/19$301
This Southwest deal was found by Cheapflights users on 8/20. 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.
Wed 9/103:30 pmHOU - PWM
1 stop5h 55mSouthwest
Thu 9/115:40 pmPWM - HOU
1 stop6h 35mSouthwest
Deal found 8/20$302
This Delta deal was found by Cheapflights users on 8/19. 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 9/201:13 pmIAH - PWM
1 stop7h 47mDelta
Wed 9/246:33 amPWM - IAH
2 stops12h 01mDelta
Deal found 8/19$306
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/72:46 pmIAH - PWM
1 stop7h 17mUnited Airlines
Fri 9/126:23 pmPWM - IAH
1 stop6h 36mUnited Airlines
Deal found 8/20$314

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Portland 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 August 21, 2025.
Use the filters below to find and compare flights from Houston to Portland that are best for you.

Fly from

Houston

Fly to

Portland

Route

Depart

Return

Price

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sun 9/21

5:32 pm-12:11 am

1 stop5h 39m

Portland

Wed 9/24

6:33 am-5:34 pm

2 stops12h 01m

$281

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 9/17

3:59 pm-12:11 am

1 stop7h 12m

Portland

Wed 9/24

6:33 am-5:34 pm

2 stops12h 01m

$281

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Mon 10/20

4:54 pm-11:59 pm

1 stop6h 05m

Portland

Wed 10/22

5:41 pm-11:30 pm

1 stop6h 49m

$283

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Tue 9/16

11:20 am-6:20 pm

1 stop6h 00m

Portland

Sat 9/20

5:45 am-3:05 pm

2 stops10h 20m

$288

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 10/23

5:05 pm-11:51 pm

1 stop5h 46m

Portland

Thu 10/30

3:38 pm-10:23 pm

1 stop7h 45m

$289

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Fri 10/17

5:05 pm-11:51 pm

1 stop5h 46m

Portland

Tue 10/21

3:38 pm-10:23 pm

1 stop7h 45m

$289

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sat 9/27

8:32 am-5:55 pm

1 stop8h 23m

Portland

Sat 10/4

5:20 pm-10:25 pm

1 stop6h 05m

$289

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sat 10/4

1:13 pm-10:00 pm

1 stop7h 47m

Portland

Sat 10/11

1:27 pm-7:41 pm

1 stop7h 14m

$289

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Tue 9/16

6:00 am-12:29 pm

1 stop5h 29m

Portland

Tue 9/23

6:00 am-5:40 pm

2 stops12h 40m

$294

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Tue 10/14

3:45 pm-10:30 pm

1 stop5h 45m

Portland

Tue 10/21

5:25 pm-10:50 pm

1 stop6h 25m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 32 results
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Best time to book a flight from Houston to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Houston 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 Houston to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Portland. Price data was last updated on August 8, 2025.

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Portland, Maine. 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 Houston to Portland, Maine?

Currently, January is the cheapest month in which you can book a flight from Houston to Portland, Maine (average of $296). Flying from Houston to Portland, Maine in July is currently the most expensive (average of $394). 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 HOU to PWM?

Find hourly flight availability from Houston to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to Portland, Maine at noon. If you’re flexible enough to do this you can expect to save up to 14% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated August 21, 2025.
Read through reviews of airlines operating flights from Houston to Portland, 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
4,245 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,981 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,934 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Houston to Portland. 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 into for flights to Portland from Houston?

    If you book a flight to Portland from Houston, you will be flying to Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland. There are 0 flights from Houston to Portland per day from 4 different airlines.

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

    There are many flights that can get you from Houston to Portland, Maine in 5h 39m. Fly via Delta, United Airlines, or Southwest to get the fastest option. The distance between Houston and Portland, Maine is about 1664 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Delta, at $139, was found to be the cheapest airline from Houston to Portland, Maine.Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Houston to Portland, Maine for 66% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $139 on United Airlines. Other airlines that offer cheap prices include Southwest from $139 and American Airlines from $145 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Portland 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 Houston to Portland, Maine?

    Currently, January is the cheapest month in which you can book a flight from Houston to Portland, Maine (average of $296). Flying from Houston to Portland, Maine in July is currently the most expensive (average of $394). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Brunswick
North Conway
Auburn
Conway
Lewiston

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Alternative routes for Houston to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Houston to Portland

Discover the top 4 airlines that operate flights from Houston to Portland. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$354FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$227Average$368FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$450FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$256Average$451FlexibilityNo cancel feeOn-time69%

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