Cheap flights from Portland (PWM) to Houston from $65

This is the cheapest one-way flight price, found on 9/25. Prices may vary by date and flight preferences.
PWM — IAH
Oct 1 — Oct 81

How to find the cheapest flight from Portland (PWM) to Houston

All the information you need to plan the best PWM to HO1 flight in 2023: compare Portland to Houston flight prices with the expected peak season, weather and rainfall in Houston.

Popular in

July

Cheapest in

September

Round-trip from

$238

One-way from

$165
High demand for flights, 24% potential price rise
Best time to find cheap flights, 24% potential price drop
From Portland to Houston
One-way flight from Portland to Houston

PWM - IAH

Price

$238 - $411

IAH

Temperature

53.6 - 84.2 °F

IAH

Rainfall

3.2 - 5.9 inches

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

Find a great deal and save up to 51% by booking at least 57 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portland, Maine to Houston within the next two weeks, with the cheapest ticket starting at $590.

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

Flights from Portland, Maine to Houston lean towards being more expensive in July. Prices are generally better when you fly from Portland, Maine to Houston in September, with the cheapest ticket starting at $315.

When is the cheapest time to fly from Portland, Maine to Houston (PWM - IAH)?

When flying from Portland, Maine to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Frontier flights from Portland to Houston

Consider these cheap Frontier flights we've found departing from Portland to Houston. Make sure to check back often as deals are often changing.

Cheap United Airlines flights from Portland to Houston

Some of the best deals we've found on United Airlines flights traveling from Portland to Houston. Make sure to examine the flight information before completing your reservation.

Cheap Portland to Houston flights in September & October 2023

The best prices found for PWM to Houston flights for September, October
These are some of the best deals we've found on flights to Houston in 2023 at this time. Check back soon for alternative fares.

Portland to Houston 2023 flight deals

Cheap flights to Houston from Portland found for this year
These are some of the best deals we've found on flights to Houston in 2023 at this time. Check back soon for alternative fares.

Portland to Houston flights leaving soon

Late deals on return flights to Houston from Portland, departing today and this week
Users seeking a last-minute flight from Portland to Houston should consider booking one of these fares. Tip: verify your flight details before completing your reservation.

One-way flights to Houston from Portland

The cheapest one-way flights from Portland to Houston
Some of the best available deals we've found on one-way flights from Portland to Houston. Users needing a return flight from Portland to Houston should utilize the search form above.

Find flights from Portland to Houston within your budget

Use the slider to find flights from Portland to Houston that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$138 - $544

Route

Depart

Return

Price

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Fri 10/20

1 stop11h 22m

Houston George Bush Intcntl

Sun 10/22

1 stop18h 52m

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Thu 10/26

1 stop27h 28m

Houston George Bush Intcntl

Sun 10/29

1 stop19h 51m

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Mon 10/30

1 stop20h 19m

Houston George Bush Intcntl

Tue 11/21

1 stop7h 57m

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Wed 10/11

1 stop26h 11m

Houston George Bush Intcntl

Sun 10/15

1 stop18h 52m

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Sun 10/29

2 stops28h 40m

Houston George Bush Intcntl

Tue 11/21

1 stop7h 57m

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Sat 10/28

1 stop6h 46m

Houston George Bush Intcntl

Wed 11/1

1 stop6h 34m

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Thu 11/16

1 stop10h 30m

Houston George Bush Intcntl

Fri 11/24

1 stop11h 33m

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Mon 12/18

1 stop7h 36m

Houston George Bush Intcntl

Wed 1/3

1 stop7h 36m

PortlandHouston George Bush Intcntl

PWM - IAH

PWMIAH

Portland

Wed 10/11

2 stops15h 32m

Houston George Bush Intcntl

Sun 10/15

2 stops11h 45m

Flights are sorted by cheapest first

Deals found on 9/25

Reviews of airlines servicing Houston

Read reviews from past customers who have flown Frontier, United Airlines and American 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.
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Delta
7.9
Good
3,021 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Spirit Airlines
6.3
Okay
1,483 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Frontier
5.8
Fair
762 reviews
Delta
7.9
Good
3,021 reviews

Boarding

8.0

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Reviews

1 / 10

Landing in Syracuse was ruff no bad weather just bad piloting. A/C barely. Working from LGA to Syracuse.

Related info for your journey

Useful info, stats and facts about Portland to Houston flights.

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.

Can I find flights from Portland, Maine to Houston for under $200 on Cheapflights?

Yes, there are multiple flights from Portland, Maine to Houston for under $200. The cheapest flight booked recently is on Frontier for just $138, but on average you can expect to pay $297.

Are there last-minute flights available from Portland, Maine to Houston for under $800?

There are currently 5+ open flights from Portland, Maine to Houston within the next 7 days for less than $800.

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

According to our current data, Frontier ($138), Delta ($330), and United Airlines ($461) offers the cheapest pricing from Portland, Maine to Houston. Frontier is 72% 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?

$65 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $212 and $216, respectively.

What are the most popular airlines that fly from Portland, Maine to Houston?

What does PWM to IAH mean?

PWM and IAH are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. PWM to IAH refers to a flight route from Portland Airport to Houston George Bush Intcntl Airport. Houston Hobby Airport (HOU), College Station Easterwood Field Airport (CLL), Beaumont Jefferson County Airport (BPT) are some additional IATA codes for airports related to your trip.

Other flights from Portland

Top 4 airlines flying from Portland to Houston

The chart below displays the airlines Cheapflights users traveling from Portland to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$210Average$477FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$238Average$414FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$280Average$483FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
JetBlueCheapest$284Average$400FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Hourly flight availability from Portland to Houston

See what time of day planes typically take off from Portland to Houston
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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Millions of users choose and trust Cheapflights to book the best flight deals from Portland to Houston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Portland to Houston with no change fees?

Need flexible booking options for your flight to Houston from Portland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Portland to Houston become cheaper?

Yes, Cheapflights does offer price alerts on Portland to Houston flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.

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