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Cheap flights from Houston George Bush Intcntl Airport to Portland from $145

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 Portland departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston George Bush Intcntl Airport to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:23 pm - 9:12 am
IAH
-
PWM
12h 49m
1 stop
Multiple Airlines Logo
8:00 am - 2:51 pm
PWM
-
IAH
31h 51m
2 stops
$344Multiple Airlines
Sun, Aug 9 - Tue, Aug 18
JetBlue Logo
7:24 am - 12:16 am
IAH
-
PWM
15h 52m
2 stops
JetBlue Logo
6:00 am - 10:59 am
PWM
-
IAH
5h 59m
1 stop
$345JetBlue
Sat, Aug 1 - Thu, Aug 6
Delta Logo
2:37 pm - 11:13 pm
IAH
-
PWM
7h 36m
1 stop
Delta Logo
12:47 pm - 6:32 pm
PWM
-
IAH
6h 45m
1 stop
$349Delta
Thu, Aug 20 - Wed, Aug 26
Delta Logo
11:28 am - 12:59 am
IAH
-
PWM
12h 31m
2 stops
Delta Logo
6:30 am - 1:32 pm
PWM
-
IAH
8h 02m
1 stop
$354Delta
Thu, Aug 20 - Wed, Aug 26
Delta Logo
10:53 am - 11:13 pm
IAH
-
PWM
11h 20m
2 stops
Delta Logo
6:30 am - 1:27 pm
PWM
-
IAH
7h 57m
2 stops
$359Delta
Thu, Aug 20 - Wed, Aug 26
Multiple Airlines Logo
1:29 pm - 10:27 am
IAH
-
PWM
19h 58m
1 stop
Multiple Airlines Logo
8:22 pm - 7:20 am
PWM
-
IAH
35h 58m
2 stops
$362Multiple Airlines
Tue, Jul 28 - Thu, Jul 30
Delta Logo
11:50 am - 11:59 pm
IAH
-
PWM
11h 09m
2 stops
Delta Logo
6:05 am - 1:32 pm
PWM
-
IAH
8h 27m
1 stop
$364Delta
Thu, Sep 10 - Mon, Sep 14
Delta Logo
10:53 am - 11:13 pm
IAH
-
PWM
11h 20m
2 stops
Delta Logo
6:00 am - 3:57 pm
PWM
-
IAH
10h 57m
2 stops
$369Delta
Thu, Aug 20 - Tue, Aug 25
United Airlines Logo
1:45 pm - 11:30 pm
IAH
-
PWM
8h 45m
1 stop
United Airlines Logo
3:30 pm - 7:23 pm
PWM
-
IAH
4h 53mnonstop
$374United Airlines
Sat, Jun 20 - Sat, Jun 27
Multiple Airlines Logo
7:23 pm - 9:12 am
IAH
-
PWM
12h 49m
1 stop
Multiple Airlines Logo
7:00 am - 7:19 am
PWM
-
IAH
25h 19m
2 stops
$378Multiple Airlines
Sun, Aug 9 - Mon, Aug 17

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

Our best JetBlue deals on Houston George Bush Intcntl Airport to Portland, Maine flight tickets
JetBlue
Aug 1
IAH7:24 amHouston George Bush Intcntl
15h 52m
2 stops
PWM12:16 amPortland
Aug 6
PWM6:00 amPortland
5h 59m
1 stop
IAH10:59 amHouston George Bush Intcntl
$345
JetBlue
Jul 25
IAH1:00 pmHouston George Bush Intcntl
10h 16m
2 stops
PWM12:16 amPortland
Jul 31
PWM6:00 amPortland
6h 00m
1 stop
IAH11:00 amHouston George Bush Intcntl
$380
JetBlue
Jul 25
IAH11:43 amHouston George Bush Intcntl
11h 33m
1 stop
PWM12:16 amPortland
Jul 31
PWM6:00 amPortland
6h 00m
1 stop
IAH11:00 amHouston George Bush Intcntl
$385

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
Aug 20
IAH2:37 pmHouston George Bush Intcntl
7h 36m
1 stop
PWM11:13 pmPortland
Aug 26
PWM12:47 pmPortland
6h 45m
1 stop
IAH6:32 pmHouston George Bush Intcntl
$349
Delta
Aug 20
IAH11:28 amHouston George Bush Intcntl
12h 31m
2 stops
PWM12:59 amPortland
Aug 26
PWM6:30 amPortland
8h 02m
1 stop
IAH1:32 pmHouston George Bush Intcntl
$354
Delta
Aug 7
IAH2:37 pmHouston George Bush Intcntl
7h 36m
1 stop
PWM11:13 pmPortland
Aug 19
PWM11:01 amPortland
6h 19m
1 stop
IAH4:20 pmHouston George Bush Intcntl
$359

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 June 8, 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

Cheapest round-trip

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sun 8/9

7:23 pm-9:12 am

1 stop12h 49m

Portland

Tue 8/18

8:00 am-2:51 pm

2 stops31h 51m

$344

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sat 8/1

7:24 am-12:16 am

2 stops15h 52m

Portland

Thu 8/6

6:00 am-10:59 am

1 stop5h 59m

$345

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 8/20

2:37 pm-11:13 pm

1 stop7h 36m

Portland

Wed 8/26

12:47 pm-6:32 pm

1 stop6h 45m

$349

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 8/20

11:28 am-12:59 am

2 stops12h 31m

Portland

Wed 8/26

6:30 am-1:32 pm

1 stop8h 02m

$354

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 8/20

10:53 am-11:13 pm

2 stops11h 20m

Portland

Wed 8/26

6:30 am-1:27 pm

2 stops7h 57m

$359

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Tue 7/28

1:29 pm-10:27 am

1 stop19h 58m

Portland

Thu 7/30

8:22 pm-7:20 am

2 stops35h 58m

$362

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 9/10

11:50 am-11:59 pm

2 stops11h 09m

Portland

Mon 9/14

6:05 am-1:32 pm

1 stop8h 27m

$364

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 8/20

10:53 am-11:13 pm

2 stops11h 20m

Portland

Tue 8/25

6:00 am-3:57 pm

2 stops10h 57m

$369
Quickest round-trip

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sat 6/20

1:45 pm-11:30 pm

1 stop8h 45m

Portland

Sat 6/27

3:30 pm-7:23 pm

Nonstop4h 53m

$374

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sun 8/9

7:23 pm-9:12 am

1 stop12h 49m

Portland

Mon 8/17

7:00 am-7:19 am

2 stops25h 19m

$378

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 Portland from

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 typical price of a round-trip flight between Houston George Bush Intcntl Airport and Portland, Maine?

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 April. Flight prices, which tend to average around $0, 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 April, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $308.

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

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

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

Can stopping save me money on Houston George Bush Intcntl Airport to Portland, Maine flights?

You could potentially save up to 43% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Portland, Maine flight.

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

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

3h 50m

Direct flights

Sun

Airports in Portland, Maine

1 airport
The fastest flight from Houston George Bush Intcntl Airport to Portland, Maine takes 3h 50m
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

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Portland, Maine

  • 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 3h 50m.

  • 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
8,396 reviews
Search Delta flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,781 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Lewiston
Freeport
Conway
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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