$275+ Cheap flights from Houston to Helena (HLN)
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — HLN
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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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
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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 August 24, 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 August 24, 2026.
This Delta deal was found by Cheapflights users on 8/23. 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 10/317:10 am -
1 stop6h 18m
Tue 11/37:15 am -
2 stops9h 35m
Deal found 8/23![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/53:00 pm -
1 stop7h 30m
Wed 9/92:26 pm -
1 stop7h 31m
Deal found 8/20![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/20. 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 11/147:20 am -
1 stop7h 20m
Tue 11/172:23 pm -
1 stop7h 31m
Deal found 8/20![United Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 9/52:34 pm -
1 stop27h 00m
Wed 9/95:18 pm -
1 stop22h 55m
Deal found 8/21![Alaska Airlines logo]()
$569
This Expedia deal was found by Cheapflights users on 8/20. 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 9/112:34 pm -
1 stop27h 07m
Mon 9/145:18 pm -
1 stop22h 55m
Deal found 8/20![Alaska Airlines logo]()
$636
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/287:25 am -
2 stops15h 06m
Sat 10/316:28 am -
2 stops11h 19m
Deal found 8/19![United Airlines logo]()
$655
This Delta deal was found by Cheapflights users on 8/22. 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.
Wed 9/167:25 am -
1 stop5h 52m
Fri 9/1812:57 pm -
1 stop8h 00m
Deal found 8/22![Delta logo]()
$657
This Delta deal was found by Cheapflights users on 8/19. 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 8/311:13 pm -
2 stops10h 17m
Sun 9/65:40 am -
2 stops9h 45m
Deal found 8/19![Delta logo]()
$757
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 August 24, 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 August 24, 2026.
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/53:00 pm -
1 stop7h 30m
Wed 9/92:26 pm -
1 stop7h 31m
Deal found 8/20![United Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 9/58:19 pm -
2 stops21h 15m
Wed 9/95:18 pm -
1 stop22h 55m
Deal found 8/21![Alaska Airlines logo]()
$609
This Delta deal was found by Cheapflights users on 8/22. 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.
Wed 9/167:25 am -
1 stop5h 52m
Fri 9/1812:57 pm -
1 stop8h 00m
Deal found 8/22![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 8/23. 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 11/176:28 am -
1 stop7h 40m
Deal found 8/23![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/287:25 am -
2 stops15h 06m
Sat 10/312:23 pm -
1 stop7h 30m
Deal found 8/19![United Airlines logo]()
$532
This Delta deal was found by Cheapflights users on 8/19. 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 8/311:13 pm -
2 stops10h 17m
Sun 9/65:40 am -
2 stops9h 45m
Deal found 8/19![Delta logo]()
$757
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/176:30 am -
1 stop8h 15m
Thu 9/242:30 pm -
1 stop7h 29m
Deal found 8/21![United Airlines logo]()
$677
Last-minute flights from Houston to HelenaDiscover last-minute flight deals from Houston to Helena. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Helena. Data last updated August 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/19. 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 8/311:13 pm -
2 stops10h 17m
Sun 9/65:40 am -
2 stops9h 45m
Deal found 8/19![Delta logo]()
$757
This United Airlines deal was found by Cheapflights users on 8/20. 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 9/53:00 pm -
1 stop7h 30m
Wed 9/92:26 pm -
1 stop7h 31m
Deal found 8/20![United Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 9/52:34 pm -
1 stop27h 00m
Wed 9/95:18 pm -
1 stop22h 55m
Deal found 8/21![Alaska Airlines logo]()
$569
This Expedia deal was found by Cheapflights users on 8/20. 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 9/112:34 pm -
1 stop27h 07m
Mon 9/145:18 pm -
1 stop22h 55m
Deal found 8/20![Alaska Airlines logo]()
$636
This Delta deal was found by Cheapflights users on 8/22. 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.
Wed 9/167:25 am -
1 stop5h 52m
Fri 9/1812:57 pm -
1 stop8h 00m
Deal found 8/22![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/176:30 am -
1 stop8h 15m
Thu 9/242:30 pm -
1 stop7h 29m
Deal found 8/21![United Airlines logo]()
$677
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 9/272:34 pm -
1 stop27h 07m
Wed 9/305:18 pm -
1 stop29h 41m
Deal found 8/20![Alaska Airlines logo]()
$688
One-way flights from Houston to HelenaSearch for one-way flight options from Houston to Helena. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
Search for one-way flight options from Houston to Helena. Find affordable one-way fares based on user searches. Data last updated August 24, 2026.
This Expedia deal was found by Cheapflights users on 8/20. 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.
Mon 8/312:34 pm -
1 stop27h 00m
Deal found 8/20![Alaska Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 8/20. 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 8/3110:50 am -
2 stops12h 40m
Deal found 8/20![Delta logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:52 pm -
3 stops49h 42m
Deal found 8/20![Multiple Airlines logo]()
$867
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 August 24, 2026.
Round-trip from | $344 (Delta) |
|---|---|
One-way from | $275 (Expedia) |
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 August 24, 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 9/5
3:00 pm-9:30 pm
1 stop7h 30m
Helena
Wed 9/9
2:26 pm-10:57 pm
1 stop7h 31m
$409
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
6:28 am-3:08 pm
1 stop7h 40m
$429
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Wed 10/28
7:25 am-9:31 pm
2 stops15h 06m
Helena
Sat 10/31
2:23 pm-10:53 pm
1 stop7h 30m
$532
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Sat 9/5
8:19 pm-4:34 pm
2 stops21h 15m
Helena
Wed 9/9
5:18 pm-5:13 pm
1 stop22h 55m
$609
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Wed 9/16
7:25 am-12:17 pm
1 stop5h 52m
Helena
Fri 9/18
12:57 pm-9:57 pm
1 stop8h 00m
$657
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Thu 9/17
6:30 am-1:45 pm
1 stop8h 15m
Helena
Thu 9/24
2:30 pm-10:59 pm
1 stop7h 29m
$677
HoustonHelena
HOU Houston Hobby - HLN Helena
HOUHLN
Houston Hobby
Mon 8/31
1:13 pm-10:30 pm
2 stops10h 17m
Helena
Sun 9/6
5:40 am-4:25 pm
2 stops9h 45m
$757
Cheapest one-way
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Mon 8/31
2:34 pm-4:34 pm
1 stop27h 00m
$275
Quickest one-way
HoustonHelena
HOU Houston Hobby - HLN Helena
HOUHLN
Houston Hobby
Mon 8/31
10:50 am-10:30 pm
2 stops12h 40m
$509
HoustonHelena
IAH Houston George Bush Intcntl - HLN Helena
IAHHLN
Houston George Bush Intcntl
Mon 8/31
3:52 pm-4:34 pm
3 stops49h 42m
$867
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
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