HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$145+ Cheap flights from Helena (HLN) to George Bush Intcntl (IAH)

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — IAH
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helena to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Helena to George Bush Intcntl

Cheapest flights from Helena to George Bush Intcntl
Explore the most affordable flight options available from Helena to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2026.

This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:25 pm
HLN
-
IAH
1 stop5h 38m
United Airlines
Sat 4/117:00 am
IAH
-
HLN
1 stop7h 39m
United Airlines
Deal found 2/22$289
This Expedia deal was found by Cheapflights users on 2/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:22 pm
HLN
-
IAH
2 stops21h 56m
Alaska Airlines
Tue 5/54:46 pm
IAH
-
HLN
1 stop25h 59m
Alaska Airlines
Deal found 2/22$331
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:30 pm
HLN
-
IAH
1 stop6h 01m
United Airlines
Sat 5/94:40 pm
IAH
-
HLN
1 stop6h 06m
United Airlines
Deal found 2/22$369
This Delta deal was found by Cheapflights users on 2/22. 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.
Tue 3/35:30 am
HLN
-
IAH
1 stop5h 28m
Delta
Tue 3/107:35 am
IAH
-
HLN
1 stop5h 46m
Delta
Deal found 2/22$374
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:22 pm
HLN
-
IAH
1 stop9h 54m
Alaska Airlines
Sat 5/96:18 pm
IAH
-
HLN
2 stops24h 27m
Alaska Airlines
Deal found 2/22$408
This Delta deal was found by Cheapflights users on 2/22. 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.
Sun 3/15:30 am
HLN
-
IAH
1 stop5h 28m
Delta
Wed 3/47:15 am
IAH
-
HLN
1 stop6h 10m
Delta
Deal found 2/22$409
This Delta deal was found by Cheapflights users on 2/22. 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.
Mon 3/21:10 pm
HLN
-
IAH
2 stops10h 01m
Delta
Wed 3/47:15 am
IAH
-
HLN
1 stop6h 10m
Delta
Deal found 2/22$414
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:25 pm
HLN
-
IAH
1 stop5h 25m
United Airlines
Tue 3/34:32 pm
IAH
-
HLN
1 stop5h 44m
United Airlines
Deal found 2/22$439
This Expedia deal was found by Cheapflights users on 2/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:22 pm
HLN
-
IAH
2 stops18h 05m
Alaska Airlines
Tue 4/144:51 pm
IAH
-
HLN
1 stop25h 54m
Alaska Airlines
Deal found 2/22$441
This Delta deal was found by Cheapflights users on 2/22. 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.
Sat 2/281:10 pm
HLN
-
IAH
2 stops10h 01m
Delta
Wed 3/47:15 am
IAH
-
HLN
1 stop6h 10m
Delta
Deal found 2/22$444

Find flight deals from Helena to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to George Bush Intcntl (IAH). 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 February 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$145
(United Airlines)
Provider with most accurate pricing for Helena-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Houston George Bush Intcntl flights.
Search Deals
From Helena to Houston George Bush Intcntl
Search Deals
One-way flight from Helena to Houston George Bush Intcntl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to George Bush Intcntl 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 February 24, 2026.
Use the filters below to find and compare flights from Helena to Houston George Bush Intcntl Airport that are best for you.

Fly from

Helena

Fly to

George Bush Intcntl

Route

Depart

Return

Price

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 4/7

2:25 pm-9:03 pm

1 stop5h 38m

Houston George Bush Intcntl

Sat 4/11

7:00 am-1:39 pm

1 stop7h 39m

$289

HelenaHouston

HLN - IAH

HLNIAH

Helena

Fri 5/1

6:22 pm-5:18 pm

2 stops21h 56m

Houston George Bush Intcntl

Tue 5/5

4:46 pm-5:45 pm

1 stop25h 59m

$331

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 5/5

2:30 pm-9:31 pm

1 stop6h 01m

Houston George Bush Intcntl

Sat 5/9

8:08 am-1:38 pm

1 stop6h 30m

$369

HelenaHouston

HLN - IAH

HLNIAH

Helena

Tue 5/5

6:22 pm-5:16 am

1 stop9h 54m

Houston George Bush Intcntl

Sat 5/9

6:18 pm-5:45 pm

2 stops24h 27m

$408

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sat 4/11

6:22 pm-12:43 pm

2 stops17h 21m

Houston George Bush Intcntl

Tue 4/14

7:41 pm-5:45 pm

2 stops23h 04m

$450

HelenaHouston

HLN - IAH

HLNIAH

Helena

Mon 3/23

2:30 pm-10:46 pm

1 stop7h 16m

$145

HelenaHouston

HLN - IAH

HLNIAH

Helena

Thu 4/9

1:02 pm-9:36 pm

1 stop7h 34m

$145

HelenaHouston

HLN - IAH

HLNIAH

Helena

Mon 3/2

1:10 pm-9:44 pm

1 stop7h 34m

$205

HelenaHouston

HLN - IAH

HLNIAH

Helena

Sun 3/1

2:25 pm-10:46 pm

1 stop7h 21m

$205

HelenaHouston

HLN - IAH

HLNIAH

Helena

Thu 3/5

5:30 am-11:58 am

1 stop5h 28m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 16 results
1
2

Compare providers for flights from Helena to George Bush Intcntl

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 Helena to George Bush Intcntl in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 Helena-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-Houston George Bush Intcntl Airport 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 Helena-Houston George Bush Intcntl Airport 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 Helena to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Helena 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 Helena to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Helena to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Helena to Houston George Bush Intcntl Airport (average of $147). Flying from Helena to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $392). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Helena to George Bush Intcntl. 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 from for flights from Helena to Houston George Bush Intcntl?

    Located just 2.7 mi from the city center, Helena is the airport most travelers will use when flying to Houston George Bush Intcntl from Helena. Booking flights from Helena (HLN) to Houston George Bush Intcntl should be relatively easy as there are 0 daily outbound flights to Houston George Bush Intcntl from 0 different airlines.

  • How long is the flight from Helena to Houston George Bush Intcntl Airport?

    United Airlines and Alaska Airlines can get you from Helena to Houston George Bush Intcntl Airport in just under 5h 38m. Your travel time can differ by up to 16h 18m. Airlines will cover a distance of 1453 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Helena to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Helena to Houston George Bush Intcntl Airport (average of $147). Flying from Helena to Houston George Bush Intcntl Airport in February is currently the most expensive (average of $392). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Katy
The Woodlands
Spring
Humble
Tomball
Conroe
Jersey Village
Cypress

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.