HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$339+ Cheap flights from George Bush Intcntl (IAH) to Helena (HLN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — HLN
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Helena 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.

Find flight deals from George Bush Intcntl to Helena

Cheapest flights from George Bush Intcntl to Helena
Explore the most affordable flight options available from George Bush Intcntl to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Delta deal was found by Cheapflights users on 10/15. 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 12/67:40 amIAH - HLN
1 stop5h 45mDelta
Wed 12/105:30 amHLN - IAH
1 stop5h 36mDelta
Deal found 10/15$339
This Delta deal was found by Cheapflights users on 10/15. 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 11/17:45 amIAH - HLN
1 stop5h 35mDelta
Wed 11/51:00 pmHLN - IAH
1 stop7h 32mDelta
Deal found 10/15$479
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/16:05 pmIAH - HLN
1 stop21h 22mUnited Airlines
Wed 11/52:22 pmHLN - IAH
1 stop5h 30mUnited Airlines
Deal found 10/14$507

Cheap flight deals from George Bush Intcntl to Helena

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Helena (HLN). 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$339
(Delta)
Provider with most accurate pricing for Houston George Bush Intcntl-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Helena flights.
Search Deals
From Houston George Bush Intcntl to Helena
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Helena 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 October 16, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Helena that are best for you.

Fly from

George Bush Intcntl

Fly to

Helena

Route

Depart

Return

Price

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 12/6

7:40 am-12:25 pm

1 stop5h 45m

Helena

Wed 12/10

1:06 pm-9:36 pm

1 stop7h 30m

$339

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sun 1/11

7:45 am-12:27 pm

1 stop5h 42m

Helena

Sat 1/17

12:50 pm-11:59 pm

2 stops10h 09m

$391

HoustonHelena

IAH - HLN

IAHHLN

Houston George Bush Intcntl

Sat 11/1

7:45 am-12:20 pm

1 stop5h 35m

Helena

Wed 11/5

1:00 pm-9:32 pm

1 stop7h 32m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Compare providers for flights from George Bush Intcntl to Helena

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 Helena in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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-Helena 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-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Helena 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-Helena 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 Helena

Have a flexible travel schedule? Discover the best time to fly to Helena 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 Helena

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

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Helena (average of $229). Flying from Houston George Bush Intcntl Airport to Helena in March is currently the most expensive (average of $394). 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.

What is the cheapest time of day to fly from IAH to HLN?

Find hourly flight availability from George Bush Intcntl to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

When flying from Houston George Bush Intcntl Airport to Helena, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 39% versus a flight at noon.

Related info for your journey

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

    For a flight from Houston George Bush Intcntl to Helena, you will be flying into Helena. Helena (HLN) is just 2.7 mi from the center of the city. Helena is the only Helena airport and it handles 0 inbound flights from Houston George Bush Intcntl per day. 0 airlines have flights to Helena from Houston George Bush Intcntl on a regular basis.

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

    A quick flight from Houston George Bush Intcntl Airport to Helena can take about 5h 45m. Delta provides one of the quickest options available for as low as $339. Airlines will cover a distance of 1453 mi.

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

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

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

    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 Helena.

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

    Yes. Cheapflights offers flight deals from George Bush Intcntl to Helena 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 Houston George Bush Intcntl Airport to Helena?

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Helena (average of $229). Flying from Houston George Bush Intcntl Airport to Helena in March is currently the most expensive (average of $394). 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

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.