$404+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — HLN
Oct 8 — Oct 151
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
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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
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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 8, 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 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/16:20 am -
1 stop8h 28m
Tue 10/62:30 pm -
1 stop7h 29m
Deal found 9/3![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:20 am -
1 stop6h 10m
Wed 12/161:10 pm -
2 stops9h 44m
Deal found 9/3![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/148:30 am -
1 stop6h 10m
Tue 11/172:23 pm -
1 stop8h 36m
Deal found 9/3![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Fri 12/42:48 pm -
1 stop7h 39m
Wed 12/162:35 pm -
1 stop7h 29m
Deal found 9/3![United Airlines logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 11/147:02 am -
1 stop10h 02m
Tue 11/174:41 pm -
2 stops19h 43m
Deal found 9/7![Alaska Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:20 am -
1 stop6h 10m
Fri 12/181:10 pm -
2 stops9h 44m
Deal found 9/3![Delta logo]()
$614
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:00 am -
1 stop9h 31m
Fri 12/184:18 pm -
1 stop11h 42m
Deal found 9/3![Alaska Airlines logo]()
$649
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 8, 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 8, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:20 am -
1 stop6h 10m
Wed 12/161:10 pm -
2 stops9h 44m
Deal found 9/3![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/148:30 am -
1 stop6h 10m
Tue 11/172:23 pm -
1 stop8h 36m
Deal found 9/3![United Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Sat 11/147:02 am -
1 stop10h 02m
Tue 11/174:41 pm -
2 stops19h 43m
Deal found 9/7![Alaska Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 9/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:33 pm -
2 stops8h 59m
Fri 12/181:10 pm -
2 stops9h 44m
Deal found 9/3![Delta logo]()
$620
Last-minute flights from Houston to HelenaDiscover last-minute flight deals from Houston to Helena. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Helena. Data last updated September 8, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:08 pm -
2 stops27h 33m
Tue 9/225:18 pm -
1 stop22h 55m
Deal found 9/3![Alaska Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/6. 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 9/232:22 pm -
2 stops8h 08m
Sat 9/262:30 pm -
1 stop6h 15m
Deal found 9/6![United Airlines logo]()
$1,394
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 9/237:02 am -
1 stop10h 39m
Sat 9/265:18 pm -
1 stop22h 55m
Deal found 9/6![Alaska Airlines logo]()
$1,659
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 10/16:20 am -
1 stop8h 28m
Tue 10/62:30 pm -
1 stop7h 29m
Deal found 9/3![United Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 9/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:16 pm -
2 stops23h 25m
Tue 10/65:26 pm -
2 stops19h 26m
Deal found 9/3![Alaska Airlines logo]()
$801
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 8, 2026.
Round-trip from | $404 (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 8, 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
Fri 12/4
7:20 am-12:30 pm
1 stop6h 10m
Helena
Wed 12/16
1:10 pm-11:54 pm
2 stops9h 44m
$414
Quickest 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
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Sat 11/14
7:02 am-4:04 pm
1 stop10h 02m
Helena
Tue 11/17
4:41 pm-1:24 pm
2 stops19h 43m
$514
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Fri 12/4
2:33 pm-10:32 pm
2 stops8h 59m
Helena
Fri 12/18
1:10 pm-11:54 pm
2 stops9h 44m
$620
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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