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$160+ Cheap flights from George Bush Intcntl (IAH) to Portland, ME (PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — PWM
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to Portland

Cheapest flights from George Bush Intcntl to Portland
Explore the most affordable flight options available from George Bush Intcntl to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:39 pm
IAH
-
PWM
1 stop15h 29m
Multiple Airlines
Wed 9/1611:08 am
PWM
-
IAH
1 stop24h 32m
Multiple Airlines
Deal found 6/25$285
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:35 am
IAH
-
PWM
2 stops32h 16m
Multiple Airlines
Wed 9/1611:08 am
PWM
-
IAH
1 stop24h 32m
Multiple Airlines
Deal found 6/25$288
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:39 pm
IAH
-
PWM
1 stop15h 29m
Multiple Airlines
Tue 9/155:09 pm
PWM
-
IAH
2 stops22h 56m
Multiple Airlines
Deal found 6/25$304
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:23 pm
IAH
-
PWM
1 stop14h 04m
Multiple Airlines
Thu 8/68:22 pm
PWM
-
IAH
2 stops35h 58m
Multiple Airlines
Deal found 6/23$306
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:23 pm
IAH
-
PWM
1 stop14h 04m
Multiple Airlines
Tue 8/44:44 pm
PWM
-
IAH
2 stops30h 45m
Multiple Airlines
Deal found 6/23$308
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:57 am
IAH
-
PWM
1 stop23h 15m
Multiple Airlines
Mon 8/317:00 am
PWM
-
IAH
2 stops25h 20m
Multiple Airlines
Deal found 6/22$310
This Kiwi.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:57 am
IAH
-
PWM
1 stop23h 15m
Multiple Airlines
Wed 9/211:07 am
PWM
-
IAH
1 stop21h 55m
Multiple Airlines
Deal found 6/24$318
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:37 pm
IAH
-
PWM
1 stop7h 36m
Delta
Tue 8/256:05 am
PWM
-
IAH
1 stop8h 22m
Delta
Deal found 6/22$319
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/192:37 pm
IAH
-
PWM
2 stops9h 22m
Delta
Wed 8/266:30 am
PWM
-
IAH
1 stop8h 02m
Delta
Deal found 6/22$324
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:28 am
IAH
-
PWM
2 stops12h 31m
Delta
Sat 8/226:00 am
PWM
-
IAH
2 stops8h 27m
Delta
Deal found 6/22$329
This Kiwi.com deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:35 pm
IAH
-
PWM
2 stops19h 53m
Multiple Airlines
Wed 9/1611:08 am
PWM
-
IAH
1 stop24h 32m
Multiple Airlines
Deal found 6/25$330

Find flight deals from George Bush Intcntl to Portland

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$285
(Kiwi.com)

One-way from

$131
(Kiwi.com)

Popular in

February

Cheapest in

December

Average price

$499
Provider with most accurate pricing for Houston George Bush Intcntl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Portland flights.
Search Deals
From Houston George Bush Intcntl to Portland
Search Deals
One-way flight from Houston George Bush Intcntl to Portland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Portland 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, Cheapflights users made 2,558,603 searches. Data last updated June 25, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Fri 10/23

5:55 am-12:18 pm

1 stop5h 23m

Portland

Sat 10/24

1:35 pm-6:59 pm

1 stop6h 24m

$334

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Mon 9/14

4:59 pm-11:30 pm

1 stop5h 31m

Portland

Sat 9/19

6:02 am-1:32 pm

2 stops8h 30m

$339

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sun 9/27

5:40 am-1:05 pm

1 stop6h 25m

Portland

Sat 10/3

6:02 am-4:20 pm

2 stops11h 18m

$339

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Mon 7/27

2:10 pm-11:30 pm

1 stop8h 20m

Portland

Thu 8/6

6:00 am-1:27 pm

2 stops8h 27m

$354

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Mon 9/28

11:26 am-11:17 pm

2 stops10h 51m

Portland

Tue 10/6

6:00 am-6:17 pm

2 stops13h 17m

$394

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Wed 8/19

11:28 am-12:59 am

2 stops12h 31m

Portland

Mon 8/24

1:12 pm-11:52 pm

2 stops11h 40m

$413

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Thu 8/20

11:28 am-12:59 am

2 stops12h 31m

Portland

Tue 8/25

6:00 am-1:27 pm

2 stops8h 27m

$413
Cheapest one-way
Quickest one-way

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Sat 7/25

5:40 am-12:50 pm

1 stop6h 10m

$160

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Mon 11/2

8:36 am-4:24 pm

3 stops30h 48m

$203

HoustonPortland

IAH - PWM

IAHPWM

Houston George Bush Intcntl

Mon 7/13

6:43 am-4:36 pm

1 stop8h 53m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Compare providers for flights from George Bush Intcntl to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Portland in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Portland, Maine flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from George Bush Intcntl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Portland

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Portland, Maine?

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated June 25, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Houston George Bush Intcntl Airport to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,440 reviews

Boarding

8.1

Overall

7.8

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Delta
7.8
Good
8,440 reviews
Delta
7.8
Good
8,440 reviews

Boarding

8.1

Overall

7.8

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
United Airlines
7.4
Good
9,886 reviews
Delta
7.8
Good
8,440 reviews

Boarding

8.1

Overall

7.8

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
American Airlines
7.1
Good
11,755 reviews
Delta
7.8
Good
8,440 reviews

Boarding

8.1

Overall

7.8

Comfort

7.8

Food

7.2

Entertainment

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Portland from Houston George Bush Intcntl?

    Portland (PWM) is the airport you will fly into if you book a flight from Houston George Bush Intcntl to Portland. You should not have trouble finding flights to Portland from Houston George Bush Intcntl; the airport handles an average of 0 inbound flights from Houston George Bush Intcntl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Portland airport from Houston George Bush Intcntl. It is only a 2.9 mi journey from Portland (PWM) to Portland’s city center.

  • How long is the flight from Houston George Bush Intcntl Airport to Portland, Maine?

    There are many flights that can get you from Houston George Bush Intcntl Airport to Portland, Maine in 7h 46m. Fly via Delta to get the fastest option. The distance between Houston George Bush Intcntl Airport and Portland, Maine is about 1664 mi.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Portland, Maine round-trip?

    According to our current data, Delta ($128), American Airlines ($288), and United Airlines ($288) offers the cheapest pricing from Houston George Bush Intcntl Airport to Portland, Maine. Delta is currently priced 72% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Portland, Maine one-way?

    One-way options have recently been found by users for as low as $128 on Delta. Other airlines that offer cheap prices include United Airlines from $144 and American Airlines from $190 one-way.

  • Can I find deals for flights from George Bush Intcntl to Portland that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Portland.

  • Can I find deals for business class flights from George Bush Intcntl to Portland?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Lewiston
Brunswick
Conway

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Alternative routes for George Bush Intcntl to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Boston flights
George Bush Intcntl to Boston flights
Hobby to Portland flights
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George Bush Intcntl to Bangor flights
Hobby to Bar Harbor flights

Top 3 airlines flying from George Bush Intcntl to Portland

Discover the top 3 airlines that operate flights from George Bush Intcntl to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$128Average$348FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$496FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$382FlexibilityNo cancel feeOn-time71%

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