$429+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — HLN
Oct 1 — Oct 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Houston 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.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 September 1, 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 September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/148:30 am -
1 stop6h 10m
Tue 11/172:23 pm -
1 stop8h 36m
Deal found 8/27![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/43:00 pm -
1 stop7h 30m
Tue 9/82:26 pm -
1 stop8h 30m
Deal found 8/30![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 9/148:30 am -
1 stop6h 15m
Fri 9/182:26 pm -
1 stop5h 29m
Deal found 8/29![United Airlines logo]()
$857
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/43:00 pm -
1 stop7h 30m
Mon 9/76:15 am -
2 stops25h 13m
Deal found 8/30![United Airlines logo]()
$1,042
This Delta deal was found by Cheapflights users on 8/29. 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 8/2910:50 am -
2 stops12h 40m
Mon 8/315:40 am -
2 stops9h 45m
Deal found 8/29![Delta logo]()
$1,144
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 September 1, 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 September 1, 2026.
This United Airlines deal was found by Cheapflights users on 8/27. 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 11/148:30 am -
1 stop6h 10m
Tue 11/172:23 pm -
1 stop8h 36m
Deal found 8/27![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 9/148:30 am -
1 stop6h 15m
Fri 9/182:26 pm -
1 stop5h 29m
Deal found 8/29![United Airlines logo]()
$857
Last-minute flights from Houston to HelenaDiscover last-minute flight deals from Houston to Helena. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Helena. Data last updated September 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/43:00 pm -
1 stop7h 30m
Tue 9/82:26 pm -
1 stop8h 30m
Deal found 8/30![United Airlines logo]()
$734
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/43:00 pm -
1 stop7h 30m
Mon 9/76:15 am -
2 stops25h 13m
Deal found 8/30![United Airlines logo]()
$1,042
This Delta deal was found by Cheapflights users on 8/30. 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.
Fri 9/42:27 pm -
2 stops9h 03m
Tue 9/87:15 am -
2 stops13h 15m
Deal found 8/30![Delta logo]()
$4,940
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 9/148:30 am -
1 stop6h 15m
Fri 9/182:26 pm -
1 stop5h 29m
Deal found 8/29![United Airlines logo]()
$857
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 September 1, 2026.
Round-trip from | $429 (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 September 1, 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 11/14
8:30 am-1:40 pm
1 stop6h 10m
Helena
Tue 11/17
2:23 pm-11:59 pm
1 stop8h 36m
$429
Quickest round-trip
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Mon 9/14
8:30 am-1:45 pm
1 stop6h 15m
Helena
Fri 9/18
2:26 pm-8:55 pm
1 stop5h 29m
$857
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
HOU-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
HOU-HLN
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Houston to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
Alternative routes
Complete your trip
Flights by cabin class
Helena flight routes
Other flight options
Popular flights