$489+ Cheap flights from Houston 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — HLN
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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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 Houston to Helena
Cheapest
Best
Last-minute
Cheapest flights from Houston to HelenaExplore the most affordable flight options available from Houston to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
Explore the most affordable flight options available from Houston to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 11/42:46 pm -
1 stop7h 45m
Fri 11/62:23 pm -
2 stops19h 40m
Deal found 11/1![United Airlines logo]()
$923
This Delta deal was found by Cheapflights users on 11/1. 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 11/411:22 am -
2 stops12h 02m
Fri 11/67:15 am -
2 stops9h 35m
Deal found 11/1![Delta logo]()
$1,148
Best flights from Houston to HelenaDiscover carefully curated flight deals from Houston to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
Discover carefully curated flight deals from Houston to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
This United Airlines deal was found by Cheapflights users on 11/3. 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 1/97:20 am -
1 stop7h 20m
Tue 1/122:27 pm -
1 stop8h 32m
Deal found 11/3![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Fri 1/84:42 pm -
1 stop5h 50m
Tue 1/122:27 pm -
1 stop5h 33m
Deal found 10/31![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 11/4. 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 2/22:46 pm -
1 stop7h 46m
Sat 2/62:27 pm -
1 stop8h 32m
Deal found 11/4![United Airlines logo]()
$499
Last-minute flights from Houston to HelenaDiscover last-minute flight deals from Houston to Helena. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Helena. Data last updated November 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Wed 11/42:46 pm -
1 stop7h 45m
Fri 11/62:23 pm -
2 stops19h 40m
Deal found 11/1![United Airlines logo]()
$923
This Delta deal was found by Cheapflights users on 11/1. 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 11/411:22 am -
2 stops12h 02m
Fri 11/67:15 am -
2 stops9h 35m
Deal found 11/1![Delta logo]()
$1,148
Find flight deals from Houston to Helena
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 November 5, 2026.
Round-trip from | $489 (United Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Houston 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 7,457,451 searches. Data last updated November 5, 2026.
Use the filters below to find and compare flights from Houston to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Sat 1/9
7:20 am-1:40 pm
1 stop7h 20m
Helena
Tue 1/12
2:27 pm-11:59 pm
1 stop8h 32m
$489
Quickest round-trip
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Fri 1/8
4:42 pm-9:32 pm
1 stop5h 50m
Helena
Tue 1/12
2:27 pm-9:00 pm
1 stop5h 33m
$489
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Tue 2/2
2:46 pm-9:32 pm
1 stop7h 46m
Helena
Sat 2/6
2:27 pm-11:59 pm
1 stop8h 32m
$499
Sorted by cheapest first
Best time to book a flight from Houston to Helena
Have a flexible travel schedule? Discover the best time to fly to Helena from Houston with our price prediction graph.
HO1-HLN
IAH-HLN
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 to Helena
HO1-HLN
IAH-HLN
No data available for this route at this time. Please check back soon.
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