What airlines fly to Portland, Maine?

United Airlines, JetBlue and Spirit 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 37% 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?

Delta, United Airlines, and American Airlines 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 September 2025.

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.

$129 Cheap Flights from Houston to Portland in 2025/26

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Find the cheapest flights from Houston to Portland

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:30 am - 12:00 pmIAH-PWM

5h 30m1 stop

12:45 pm - 5:59 pmPWM-IAH

6h 14m1 stop

$267Delta

Find Deal

Wed, Oct 15 - Wed, Oct 22

2:22 pm - 10:19 pmHOU-PWM

6h 57m1 stop

6:00 am - 1:27 pmPWM-HOU

8h 27m1 stop

$267Delta

Find Deal

Wed, Oct 15 - Wed, Oct 22

8:37 pm - 9:06 amIAH-PWM

11h 29m1 stop

9:46 am - 9:33 amPWM-IAH

24h 47m1 stop

$291Multiple Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

8:10 pm - 5:25 pmIAH-PWM

20h 15m2 stops

9:46 am - 9:33 amPWM-IAH

24h 47m1 stop

$294Multiple Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

9:31 am - 2:38 pmIAH-PWM

4h 07mnonstop

7:22 pm - 12:29 amPWM-IAH

6h 07m1 stop

$306United Airlines

Find Deal

Sat, Oct 25 - Wed, Nov 5

6:00 am - 2:55 pmHOU-PWM

7h 55m1 stop

5:25 pm - 11:20 pmPWM-HOU

6h 55m1 stop

$309Southwest

Find Deal

Thu, Nov 20 - Sun, Nov 23

6:00 am - 2:55 pmHOU-PWM

7h 55m1 stop

3:00 pm - 9:35 pmPWM-HOU

7h 35m2 stops

$314Southwest

Find Deal

Thu, Nov 20 - Sun, Nov 23

5:05 pm - 11:51 pmIAH-PWM

5h 46m1 stop

5:21 pm - 11:19 pmPWM-IAH

6h 58m1 stop

$322American Airlines

Find Deal

Fri, Oct 17 - Tue, Oct 21

5:00 pm - 11:40 pmIAH-PWM

5h 40m1 stop

2:33 pm - 10:12 pmPWM-IAH

8h 39m1 stop

$334American Airlines

Find Deal

Mon, Mar 9 - Wed, Mar 11

10:57 am - 6:23 pmIAH-PWM

6h 26m1 stop

3:45 pm - 11:30 pmPWM-IAH

8h 45m1 stop

$347United Airlines

Find Deal

Mon, Sep 29 - Sat, Oct 11

Southwest flights from Houston to Portland, Maine

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

Southwest

Nov 20

HOU6:00 amHouston Hobby

7h 55m

1 stop

PWM2:55 pmPortland

Nov 23

PWM5:25 pmPortland

6h 55m

1 stop

HOU11:20 pmHouston Hobby

$309

Find similar

Southwest

Nov 20

HOU6:00 amHouston Hobby

7h 55m

1 stop

PWM2:55 pmPortland

Nov 23

PWM3:00 pmPortland

7h 35m

2 stops

HOU9:35 pmHouston Hobby

$314

Find similar

Southwest

Oct 24

HOU9:10 pmHouston Hobby

11h 45m

1 stop

PWM9:55 amPortland

Oct 26

PWM5:30 amPortland

8h 00m

1 stop

HOU12:30 pmHouston Hobby

$339

Find similar

American Airlines flights from Houston to Portland, Maine

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

American Airlines

Oct 17

IAH5:05 pmHouston George Bush Intcntl

5h 46m

1 stop

PWM11:51 pmPortland

Oct 21

PWM5:21 pmPortland

6h 58m

1 stop

IAH11:19 pmHouston George Bush Intcntl

$322

Find similar

American Airlines

Mar 9

IAH5:00 pmHouston George Bush Intcntl

5h 40m

1 stop

PWM11:40 pmPortland

Mar 11

PWM2:33 pmPortland

8h 39m

1 stop

IAH10:12 pmHouston George Bush Intcntl

$334

Find similar

American Airlines

Dec 22

IAH5:27 pmHouston George Bush Intcntl

5h 15m

1 stop

PWM11:42 pmPortland

Dec 30

PWM7:17 amPortland

7h 46m

1 stop

IAH2:03 pmHouston George Bush Intcntl

$335

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 10/15

5:30 am-12:00 pm

1 stop5h 30m

Portland

Wed 10/22

12:45 pm-5:59 pm

1 stop6h 14m

$267

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Wed 10/15

2:22 pm-10:19 pm

1 stop6h 57m

Portland

Wed 10/22

6:00 am-1:27 pm

1 stop8h 27m

$267

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 10/23

8:37 pm-9:06 am

1 stop11h 29m

Portland

Mon 10/27

9:46 am-9:33 am

1 stop24h 47m

$291

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 10/23

8:10 pm-5:25 pm

2 stops20h 15m

Portland

Mon 10/27

9:46 am-9:33 am

1 stop24h 47m

$294

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sat 10/25

9:31 am-2:38 pm

Nonstop4h 07m

Portland

Wed 11/5

7:22 pm-12:29 am

1 stop6h 07m

$306

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Thu 11/20

6:00 am-2:55 pm

1 stop7h 55m

Portland

Sun 11/23

5:25 pm-11:20 pm

1 stop6h 55m

$309

HoustonPortland

HOU - PWM

HOUPWM

Houston Hobby

Thu 11/20

6:00 am-2:55 pm

1 stop7h 55m

Portland

Sun 11/23

3:00 pm-9:35 pm

2 stops7h 35m

$314

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Fri 10/17

5:05 pm-11:51 pm

1 stop5h 46m

Portland

Tue 10/21

5:21 pm-11:19 pm

1 stop6h 58m

$322

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Mon 3/9

5:00 pm-11:40 pm

1 stop5h 40m

Portland

Wed 3/11

2:33 pm-10:12 pm

1 stop8h 39m

$334

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Mon 9/29

10:57 am-6:23 pm

1 stop6h 26m

Portland

Sat 10/11

3:45 pm-11:30 pm

1 stop8h 45m

$347

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 January. Flight prices, which tend to average around $334, 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 January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $356.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from Houston is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $293. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $554.

What is the cheapest time of day to depart on your flight to Portland, Maine?

At noon is the cheapest time of day to fly from Houston to Portland, Maine when you can find flight prices for as low as $387. Flying to Portland, Maine at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $737. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $421 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 $347 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	4h 07m
Direct flights	Sun
Airports in Portland, Maine	1 airport

The fastest flight from Houston to Portland, Maine takes 4h 07m

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

There is 1 airport near Portland, Maine: Portland (PWM)

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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 4h 07m.
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 September 2025.
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 $139	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
American Airlines	PriceFrom $236	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $256	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
United Airlines	PriceFrom $276	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights

North Conway

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Jackson

Conway

Freeport

Lewiston

Bartlett

Gorham

Brunswick

Auburn

Intervale

Windham

Bath

Oxford

Georgetown

Tamworth

Falmouth

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.