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Cheap flights from Portland, Maine to Houston from $118

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Houston departing on 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland, Maine to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:29 am - 10:04 pmPWM-IAH
11h 35m1 stop
Multiple Airlines Logo
8:17 pm - 10:22 amIAH-PWM
13h 05m1 stop
$237Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 30
United Airlines Logo
3:00 pm - 10:32 pmPWM-IAH
8h 32m1 stop
United Airlines Logo
7:20 am - 2:22 pmIAH-PWM
6h 02m1 stop
$255United Airlines
Find Deal
Thu, Dec 4 - Sat, Dec 6
Delta Logo
6:08 am - 1:28 pmPWM-HOU
8h 20m1 stop
Delta Logo
2:32 pm - 10:23 pmHOU-PWM
6h 51m1 stop
$255Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
Multiple Airlines Logo
5:06 pm - 11:30 pmPWM-IAH
31h 24m2 stops
Multiple Airlines Logo
8:17 pm - 10:22 amIAH-PWM
13h 05m1 stop
$258Multiple Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 30
Delta Logo
6:00 am - 12:16 pmPWM-IAH
7h 16m1 stop
Delta Logo
5:25 am - 11:55 amIAH-PWM
5h 30m1 stop
$259Delta
Find Deal
Sat, May 2 - Tue, May 5
Delta Logo
6:08 am - 12:31 pmPWM-IAH
7h 23m1 stop
Delta Logo
5:10 am - 4:00 pmIAH-PWM
9h 50m2 stops
$260Delta
Find Deal
Mon, Dec 8 - Sat, Dec 13
American Airlines Logo
12:46 pm - 9:10 pmPWM-IAH
9h 24m2 stops
American Airlines Logo
12:39 pm - 11:43 pmIAH-PWM
10h 04m2 stops
$269American Airlines
Find Deal
Sun, Jan 18 - Thu, Jan 22
American Airlines Logo
5:07 pm - 10:40 pmPWM-IAH
6h 33m1 stop
American Airlines Logo
11:27 am - 10:54 pmIAH-PWM
10h 27m2 stops
$284American Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
Southwest Logo
2:25 pm - 12:35 amPWM-HOU
11h 10m1 stop
Southwest Logo
6:00 am - 2:55 pmHOU-PWM
7h 55m1 stop
$334Southwest
Find Deal
Thu, Feb 26 - Tue, Mar 3
Southwest Logo
5:35 am - 12:25 pmPWM-HOU
7h 50m1 stop
Southwest Logo
6:00 am - 2:55 pmHOU-PWM
7h 55m1 stop
$335Southwest
Find Deal
Sun, Feb 1 - Wed, Feb 4

Southwest flights from Portland, Maine to Houston

Our best Southwest deals on Portland, Maine to Houston flight tickets
Southwest
Feb 26
PWM2:25 pmPortland
11h 10m
1 stop
HOU12:35 amHouston Hobby
Mar 3
HOU6:00 amHouston Hobby
7h 55m
1 stop
PWM2:55 pmPortland
$334
Find similar
Southwest
Feb 1
PWM5:35 amPortland
7h 50m
1 stop
HOU12:25 pmHouston Hobby
Feb 4
HOU6:00 amHouston Hobby
7h 55m
1 stop
PWM2:55 pmPortland
$335
Find similar
Southwest
Feb 1
PWM5:35 amPortland
8h 35m
2 stops
HOU1:10 pmHouston Hobby
Feb 4
HOU6:00 amHouston Hobby
7h 55m
1 stop
PWM2:55 pmPortland
$340
Find similar

Delta flights from Portland, Maine to Houston

Our best Delta deals on Portland, Maine to Houston flight tickets
Delta
Dec 4
PWM6:08 amPortland
8h 20m
1 stop
HOU1:28 pmHouston Hobby
Dec 6
HOU2:32 pmHouston Hobby
6h 51m
1 stop
PWM10:23 pmPortland
$255
Find similar
Delta
May 2
PWM6:00 amPortland
7h 16m
1 stop
IAH12:16 pmHouston George Bush Intcntl
May 5
IAH5:25 amHouston George Bush Intcntl
5h 30m
1 stop
PWM11:55 amPortland
$259
Find similar
Delta
Dec 4
PWM6:08 amPortland
8h 20m
1 stop
HOU1:28 pmHouston Hobby
Dec 6
HOU6:00 amHouston Hobby
9h 00m
2 stops
PWM4:00 pmPortland
$260
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Portland, Maine to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHouston

PWM - IAH

PWMIAH

Portland

Fri 1/9

11:29 am-10:04 pm

1 stop11h 35m

Houston George Bush Intcntl

Fri 1/30

8:17 pm-10:22 am

1 stop13h 05m

$237

PortlandHouston

PWM - IAH

PWMIAH

Portland

Thu 12/4

3:00 pm-10:32 pm

1 stop8h 32m

Houston George Bush Intcntl

Sat 12/6

7:20 am-2:22 pm

1 stop6h 02m

$255

PortlandHouston

PWM - HOU

PWMHOU

Portland

Thu 12/4

6:08 am-1:28 pm

1 stop8h 20m

Houston Hobby

Sat 12/6

2:32 pm-10:23 pm

1 stop6h 51m

$255

PortlandHouston

PWM - IAH

PWMIAH

Portland

Fri 1/9

5:06 pm-11:30 pm

2 stops31h 24m

Houston George Bush Intcntl

Fri 1/30

8:17 pm-10:22 am

1 stop13h 05m

$258

PortlandHouston

PWM - IAH

PWMIAH

Portland

Sat 5/2

6:00 am-12:16 pm

1 stop7h 16m

Houston George Bush Intcntl

Tue 5/5

5:25 am-11:55 am

1 stop5h 30m

$259

PortlandHouston

PWM - IAH

PWMIAH

Portland

Mon 12/8

6:08 am-12:31 pm

1 stop7h 23m

Houston George Bush Intcntl

Sat 12/13

5:10 am-4:00 pm

2 stops9h 50m

$260

PortlandHouston

PWM - IAH

PWMIAH

Portland

Sun 1/18

12:46 pm-9:10 pm

2 stops9h 24m

Houston George Bush Intcntl

Thu 1/22

12:39 pm-11:43 pm

2 stops10h 04m

$269

PortlandHouston

PWM - IAH

PWMIAH

Portland

Fri 1/16

5:07 pm-10:40 pm

1 stop6h 33m

Houston George Bush Intcntl

Mon 1/19

11:27 am-10:54 pm

2 stops10h 27m

$284

PortlandHouston

PWM - HOU

PWMHOU

Portland

Thu 2/26

2:25 pm-12:35 am

1 stop11h 10m

Houston Hobby

Tue 3/3

6:00 am-2:55 pm

1 stop7h 55m

$334

PortlandHouston

PWM - HOU

PWMHOU

Portland

Sun 2/1

5:35 am-12:25 pm

1 stop7h 50m

Houston Hobby

Wed 2/4

6:00 am-2:55 pm

1 stop7h 55m

$335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

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

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

What is the typical price of a round-trip flight between Portland, Maine and Houston?

What is the cheapest month to fly to Houston?

The month of July is, on average, the cheapest month to fly to Houston from Portland, Maine, with most prices found around $256. The month of September is another great option to travel to Houston, with average flight prices from Portland, Maine averaging around $256.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Portland, Maine is on a Saturday. momondo users have found tickets for Saturday departures for as low as $327. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Monday is $622.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Portland, Maine to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $348. Try not to purchase tickets in the morning because they tend to be around $501. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Portland to Houston flight route?

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

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Portland, Maine for as low as $265 on momondo.

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

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

Cheap Portland, Maine to Houston flight deals and tips

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

Direct flights

None
There are no direct flights from Portland, Maine to Houston. There are no popular flight routes from Portland, Maine to Houston.
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  • How far is Portland to Houston by plane?

    A flight from Portland to Houston will travel around 1678.4 mi. Flights usually cover this in 6h 20m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Portland Airport to Houston are refreshed on a daily basis.

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

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

    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 Portland Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland, Maine to Houston

Compare and see reviews for airlines that fly from Portland, Maine to Houston with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $185Free CancellationRating
7.9
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
FrontierPriceFrom $218Free CancellationRating
5.8
3,117 reviews
Search Frontier flights
United AirlinesPriceFrom $261Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
SouthwestPriceFrom $322Free CancellationRating
8.0
4,239 reviews
Search Southwest flights

Why use momondo?

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

Finding the right flight to Houston from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

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

Yes. All flights to Houston from Portland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Portland and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Portland and alert you when they change.

An easier way to manage your Houston trip

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