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Cheap flights from Houston George Bush Intcntl Airport to Boston from $126

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Boston departing on 4/7. 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 Houston George Bush Intcntl Airport to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:28 pm - 11:09 pm
IAH
-
PWM
5h 41m
1 stop
Delta Logo
6:00 am - 1:14 pm
PWM
-
IAH
8h 14m
1 stop
$270Delta
Tue, May 19 - Sun, May 24
Delta Logo
2:20 pm - 11:09 pm
IAH
-
PWM
7h 49m
1 stop
Delta Logo
6:25 am - 3:22 pm
PWM
-
IAH
9h 57m
2 stops
$275Delta
Tue, May 19 - Sun, May 24
Delta Logo
3:26 pm - 12:43 am
IAH
-
PWM
8h 17m
2 stops
Delta Logo
6:25 am - 3:22 pm
PWM
-
IAH
9h 57m
2 stops
$280Delta
Tue, May 19 - Sun, May 24
United Airlines Logo
4:29 pm - 11:29 pm
IAH
-
PWM
6h 00m
1 stop
United Airlines Logo
6:00 am - 1:30 pm
PWM
-
IAH
8h 30m
1 stop
$284United Airlines
Tue, May 19 - Sun, May 24
American Airlines Logo
7:10 am - 2:23 pm
IAH
-
PWM
6h 13m
1 stop
American Airlines Logo
9:05 am - 3:44 pm
PWM
-
IAH
7h 39m
1 stop
$289American Airlines
Wed, Jul 29 - Wed, Aug 5
Delta Logo
11:34 am - 11:09 pm
IAH
-
PWM
10h 35m
2 stops
Delta Logo
6:00 am - 11:09 am
PWM
-
IAH
6h 09m
1 stop
$294Delta
Tue, Jun 2 - Thu, Jun 4
American Airlines Logo
5:16 pm - 11:55 pm
IAH
-
PWM
5h 39m
1 stop
American Airlines Logo
5:11 pm - 10:33 pm
PWM
-
IAH
6h 22m
1 stop
$304American Airlines
Fri, Apr 3 - Tue, Apr 7
United Airlines Logo
2:47 pm - 11:59 pm
IAH
-
PWM
8h 12m
1 stop
United Airlines Logo
6:00 am - 1:40 pm
PWM
-
IAH
8h 40m
1 stop
$308United Airlines
Thu, Aug 20 - Thu, Aug 27
JetBlue Logo
11:50 am - 11:56 pm
IAH
-
PWM
11h 06m
1 stop
JetBlue Logo
6:00 am - 4:48 pm
PWM
-
IAH
11h 48m
1 stop
$313JetBlue
Wed, Jun 3 - Tue, Jun 9
American Airlines Logo
7:15 am - 5:02 pm
IAH
-
PWM
8h 47m
1 stop
American Airlines Logo
5:57 pm - 11:09 pm
PWM
-
IAH
6h 12m
1 stop
$323American Airlines
Sat, Aug 22 - Thu, Aug 27

Delta flights from Houston George Bush Intcntl Airport to Portland, Maine

Our best Delta deals on Houston George Bush Intcntl Airport to Portland, Maine flight tickets
Delta
May 19
IAH4:28 pmHouston George Bush Intcntl
5h 41m
1 stop
PWM11:09 pmPortland
May 24
PWM6:00 amPortland
8h 14m
1 stop
IAH1:14 pmHouston George Bush Intcntl
$270
Delta
May 19
IAH2:20 pmHouston George Bush Intcntl
7h 49m
1 stop
PWM11:09 pmPortland
May 24
PWM6:25 amPortland
9h 57m
2 stops
IAH3:22 pmHouston George Bush Intcntl
$275
Delta
May 19
IAH3:26 pmHouston George Bush Intcntl
8h 17m
2 stops
PWM12:43 amPortland
May 24
PWM6:25 amPortland
9h 57m
2 stops
IAH3:22 pmHouston George Bush Intcntl
$280

United Airlines flights from Houston George Bush Intcntl Airport to Portland, Maine

Our best United Airlines deals on Houston George Bush Intcntl Airport to Portland, Maine flight tickets
United Airlines
May 19
IAH4:29 pmHouston George Bush Intcntl
6h 00m
1 stop
PWM11:29 pmPortland
May 24
PWM6:00 amPortland
8h 30m
1 stop
IAH1:30 pmHouston George Bush Intcntl
$284
United Airlines
Aug 20
IAH2:47 pmHouston George Bush Intcntl
8h 12m
1 stop
PWM11:59 pmPortland
Aug 27
PWM6:00 amPortland
8h 40m
1 stop
IAH1:40 pmHouston George Bush Intcntl
$308
United Airlines
Aug 10
IAH2:49 pmHouston George Bush Intcntl
7h 41m
1 stop
PWM11:30 pmPortland
Aug 15
PWM7:35 pmPortland
6h 00m
1 stop
IAH12:35 amHouston George Bush Intcntl
$351

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Portland, Maine 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 March 2, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Tue 5/19

4:28 pm-11:09 pm

1 stop5h 41m

Portland

Sun 5/24

6:00 am-1:14 pm

1 stop8h 14m

$270

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Tue 5/19

2:20 pm-11:09 pm

1 stop7h 49m

Portland

Sun 5/24

6:25 am-3:22 pm

2 stops9h 57m

$275

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Tue 5/19

3:26 pm-12:43 am

2 stops8h 17m

Portland

Sun 5/24

6:25 am-3:22 pm

2 stops9h 57m

$280

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Tue 5/19

4:29 pm-11:29 pm

1 stop6h 00m

Portland

Sun 5/24

6:00 am-1:30 pm

1 stop8h 30m

$284

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 7/29

7:10 am-2:23 pm

1 stop6h 13m

Portland

Wed 8/5

9:05 am-3:44 pm

1 stop7h 39m

$289

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Tue 6/2

11:34 am-11:09 pm

2 stops10h 35m

Portland

Thu 6/4

6:00 am-11:09 am

1 stop6h 09m

$294

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Fri 4/3

5:16 pm-11:55 pm

1 stop5h 39m

Portland

Tue 4/7

5:11 pm-10:33 pm

1 stop6h 22m

$304

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 8/20

2:47 pm-11:59 pm

1 stop8h 12m

Portland

Thu 8/27

6:00 am-1:40 pm

1 stop8h 40m

$308

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 6/3

11:50 am-11:56 pm

1 stop11h 06m

Portland

Tue 6/9

6:00 am-4:48 pm

1 stop11h 48m

$313

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sat 8/22

7:15 am-5:02 pm

1 stop8h 47m

Portland

Thu 8/27

5:57 pm-11:09 pm

1 stop6h 12m

$323

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport 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

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

The cheapest month to fly to Portland, Maine from Houston George Bush Intcntl Airport is in December. Flight prices, which tend to average around $308, 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 December, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $310.

What is the cheapest Houston George Bush Intcntl to Portland flight route?

Fly from Houston George Bush Intcntl to Portland for the best Houston George Bush Intcntl - 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 George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $429 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 George Bush Intcntl Airport for as low as $307 on momondo.

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

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

How have Houston George Bush Intcntl Airport to Portland, Maine flight prices changed over time?

As of March 2026, prices for Houston George Bush Intcntl Airport to Portland, Maine flights are approximately 166% more expensive when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Portland, Maine

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Portland, Maine according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Portland, Maine (IAH to PWM) flight deals and tips

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

Fastest flight time

4h 07m

Direct flights

Sun

Airports in Portland, Maine

1 airport
The fastest flight from Houston George Bush Intcntl Airport to Portland, Maine takes 4h 07m
Direct flights go from Houston George Bush Intcntl Airport to Portland, Maine on Sunday. There are no airlines offering direct flights.
There is 1 airport in Portland, Maine. From Houston George Bush Intcntl Airport there are direct flights to Portland (PWM).
Search flight deals

  • How far is Houston George Bush Intcntl to Portland by plane?

    Portland is 1666.8 mi away from Houston George Bush Intcntl. A reasonable flight in good conditions will take 4h 07m.

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

    Prices for flights from Houston George Bush Intcntl Airport to Portland Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to Portland Airport.

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

    The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Portland, Maine?

  • What is the most popular airline from Houston George Bush Intcntl Airport to Portland, Maine?

Best airlines flying from Houston George Bush Intcntl Airport to Portland, Maine

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Portland, Maine with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $128Free CancellationRating
7.9
8,237 reviews
Search Delta flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
11,369 reviews
Search American Airlines flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,375 reviews
Search United Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Portland. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Portland from Houston with this policy.

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

momondo provides multiple filters to help you find the best flight to Portland from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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