What airlines fly to Portland, Maine?

United Airlines, JetBlue and American Airlines are the top three most popular airlines that fly to Portland, Maine from Houston according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 8 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Houston to Portland?

American Airlines, Delta, and Southwest are the most popular carriers operating from Houston to Portland

When did momondo last update prices for flights from Houston to Portland Airport?

Prices for flights from Houston to Portland Airport refresh daily.

How many operators does momondo search for flights from Houston to Portland Airport?

There are 4 operators available for flights from Houston to Portland Airport as of January 2026.

How old do you have to be to fly from Houston to Portland Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$126 Cheap Flights from Houston to Portland in 2026

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Find the cheapest flights from Houston to Portland

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One-way

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Cheap round-trip flights

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7:59 am - 5:07 pm

IAH

PWM

8h 08m

1 stop

5:57 pm - 11:53 pm

PWM

IAH

6h 56m

1 stop

$251American Airlines

Wed, Feb 25 - Sat, Feb 28

5:25 am - 12:09 pm

IAH

PWM

5h 44m

1 stop

5:23 am - 11:10 am

PWM

IAH

6h 47m

1 stop

$259Delta

Wed, Mar 18 - Sun, Mar 22

2:13 pm - 11:22 pm

HOU

PWM

8h 09m

1 stop

5:23 am - 1:28 pm

PWM

HOU

9h 05m

1 stop

$259Delta

Fri, Mar 20 - Mon, Mar 23

11:39 am - 11:22 pm

IAH

PWM

10h 43m

2 stops

5:23 am - 11:10 am

PWM

IAH

6h 47m

1 stop

$264Delta

Wed, Mar 18 - Sun, Mar 22

12:21 pm - 11:50 pm

IAH

PWM

10h 29m

2 stops

5:57 pm - 11:53 pm

PWM

IAH

6h 56m

1 stop

$292American Airlines

Wed, Feb 25 - Sat, Feb 28

5:16 pm - 11:55 pm

IAH

PWM

5h 39m

1 stop

5:45 pm - 11:51 pm

PWM

IAH

7h 06m

1 stop

$299American Airlines

Fri, Apr 3 - Tue, Apr 7

5:16 pm - 11:55 pm

IAH

PWM

5h 39m

1 stop

10:24 am - 7:04 pm

PWM

IAH

9h 40m

2 stops

$304American Airlines

Fri, Apr 3 - Tue, Apr 7

5:45 pm - 12:05 am

HOU

PWM

5h 20m

1 stop

2:50 pm - 9:50 pm

PWM

HOU

8h 00m

2 stops

$354Southwest

Fri, Mar 20 - Mon, Mar 23

5:00 am - 11:55 am

HOU

PWM

5h 55m

1 stop

5:30 pm - 11:40 pm

PWM

HOU

7h 10m

1 stop

$359Southwest

Thu, Mar 12 - Mon, Mar 16

2:45 pm - 11:25 pm

HOU

PWM

7h 40m

2 stops

4:50 pm - 12:05 am

PWM

HOU

8h 15m

1 stop

$381Southwest

Thu, May 7 - Mon, May 11

American Airlines flights from Houston to Portland, Maine

Our best American Airlines deals on Houston to Portland, Maine flight tickets

American Airlines

Feb 25

IAH7:59 amHouston George Bush Intcntl

8h 08m

1 stop

PWM5:07 pmPortland

Feb 28

PWM5:57 pmPortland

6h 56m

1 stop

IAH11:53 pmHouston George Bush Intcntl

$251

American Airlines

Feb 25

IAH12:21 pmHouston George Bush Intcntl

10h 29m

2 stops

PWM11:50 pmPortland

Feb 28

PWM5:57 pmPortland

6h 56m

1 stop

IAH11:53 pmHouston George Bush Intcntl

$292

American Airlines

Apr 3

IAH5:16 pmHouston George Bush Intcntl

5h 39m

1 stop

PWM11:55 pmPortland

Apr 7

PWM5:45 pmPortland

7h 06m

1 stop

IAH11:51 pmHouston George Bush Intcntl

$299

Southwest flights from Houston to Portland, Maine

Our best Southwest deals on Houston to Portland, Maine flight tickets

Southwest

Mar 20

HOU5:45 pmHouston Hobby

5h 20m

1 stop

PWM12:05 amPortland

Mar 23

PWM2:50 pmPortland

8h 00m

2 stops

HOU9:50 pmHouston Hobby

$354

Southwest

Mar 12

HOU5:00 amHouston Hobby

5h 55m

1 stop

PWM11:55 amPortland

Mar 16

PWM5:30 pmPortland

7h 10m

1 stop

HOU11:40 pmHouston Hobby

$359

Southwest

May 7

HOU2:45 pmHouston Hobby

7h 40m

2 stops

PWM11:25 pmPortland

May 11

PWM4:50 pmPortland

8h 15m

1 stop

HOU12:05 amHouston Hobby

$381

Fly from

Fly to

Route

Depart

Return

Price

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 2/25

7:59 am-5:07 pm

1 stop8h 08m

Portland

Sat 2/28

5:57 pm-11:53 pm

1 stop6h 56m

$251

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 3/18

5:25 am-12:09 pm

1 stop5h 44m

Portland

Sun 3/22

5:23 am-11:10 am

1 stop6h 47m

$259

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Fri 3/20

2:13 pm-11:22 pm

1 stop8h 09m

Portland

Mon 3/23

5:23 am-1:28 pm

1 stop9h 05m

$259

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 3/18

11:39 am-11:22 pm

2 stops10h 43m

Portland

Sun 3/22

5:23 am-11:10 am

1 stop6h 47m

$264

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 2/25

12:21 pm-11:50 pm

2 stops10h 29m

Portland

Sat 2/28

5:57 pm-11:53 pm

1 stop6h 56m

$292

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Fri 4/3

5:16 pm-11:55 pm

1 stop5h 39m

Portland

Tue 4/7

5:45 pm-11:51 pm

1 stop7h 06m

$299

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Fri 4/3

5:16 pm-11:55 pm

1 stop5h 39m

Portland

Tue 4/7

10:24 am-7:04 pm

2 stops9h 40m

$304

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Fri 3/20

5:45 pm-12:05 am

1 stop5h 20m

Portland

Mon 3/23

2:50 pm-9:50 pm

2 stops8h 00m

$354

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Thu 3/12

5:00 am-11:55 am

1 stop5h 55m

Portland

Mon 3/16

5:30 pm-11:40 pm

1 stop7h 10m

$359

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Thu 5/7

2:45 pm-11:25 pm

2 stops7h 40m

Portland

Mon 5/11

4:50 pm-12:05 am

1 stop8h 15m

$381

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

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

The cheapest month to fly to Portland, Maine from Houston is in February. Flight prices, which tend to average around $285, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $341.

What is the cheapest Houston to Portland flight route?

Fly from Houston George Bush Intcntl to Portland for the best Houston - Portland flight prices

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

You are more likely to see cheaper flights to Portland, Maine from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $412 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from Houston for as low as $255 on momondo.

What cabin class options are available on Houston to Portland flights?

There is only 1 cabin class available to choose from on Houston to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Portland, Maine

Fastest flight time	5h 25m
Direct flights	Sun
Airports in Portland, Maine	1 airport

The fastest flight from Houston to Portland, Maine takes 5h 25m

Direct flights go from Houston to Portland, Maine on Sunday. There are no airlines offering direct flights.

There is 1 airport in Portland, Maine. From Houston there are direct flights to Portland (PWM).

Search flight deals

How far is Houston to Portland by plane?
A flight from Houston to Portland will travel around 1678.4 mi. In terms of flight time, this usually takes a little over 5h 25m.
When did momondo last update prices for flights from Houston to Portland Airport?
Prices for flights from Houston to Portland Airport refresh daily.
How many operators does momondo search for flights from Houston to Portland Airport?
There are 4 operators available for flights from Houston to Portland Airport as of January 2026.
How old do you have to be to fly from Houston to Portland Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Portland, Maine

Compare and see reviews for airlines that fly from Houston to Portland, Maine with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 8,128 reviews	Search Delta flights
Southwest	PriceFrom $191	Free Cancellation	Rating 8.0 4,267 reviews	Search Southwest flights
American Airlines	PriceFrom $256	Free Cancellation	Rating 7.2 11,205 reviews	Search American Airlines flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Brunswick

Bartlett

Gorham

Auburn

Windham

Intervale

Bath

Oxford

Georgetown

Falmouth

Tamworth

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Portland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portland from Houston.

Can I find flights from Houston to Portland with flexible booking policies on momondo?

Flights from Houston to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Portland?

Once all potential Houston to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Houston to Portland right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Portland from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.