$339+ Cheap flights from Helena (HLN) to Houston
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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — HOU
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 Helena to Houston 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 Helena to Houston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Helena to HoustonExplore the most affordable flight options available from Helena to Houston. 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 Helena to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 1, 2026.
This Delta deal was found by Cheapflights users on 8/28. 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.
Thu 10/291:08 pm -
1 stop7h 50m
Sat 11/77:10 am -
1 stop6h 18m
Deal found 8/28![Delta logo]()
$339
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.
Sat 11/212:23 pm -
1 stop8h 36m
Thu 11/268:30 am -
1 stop6h 10m
Deal found 8/30![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/302:23 pm -
1 stop7h 31m
Mon 11/22:46 pm -
1 stop7h 45m
Deal found 8/31![United Airlines logo]()
$429
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:18 pm -
1 stop22h 55m
Tue 9/292:34 pm -
1 stop27h 07m
Deal found 8/31![Alaska Airlines logo]()
$444
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:26 pm -
1 stop29h 33m
Mon 11/25:55 pm -
2 stops23h 09m
Deal found 8/31![Alaska Airlines logo]()
$486
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:26 pm -
2 stops20h 27m
Tue 11/310:35 am -
2 stops30h 29m
Deal found 8/31![Alaska Airlines logo]()
$519
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.
Sat 11/211:07 pm -
1 stop7h 43m
Thu 11/266:45 am -
2 stops13h 43m
Deal found 8/30![Delta logo]()
$554
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/154:08 pm -
1 stop6h 55m
Sat 12/266:20 am -
1 stop10h 21m
Deal found 8/30![Alaska Airlines logo]()
$564
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.
Thu 12/171:10 pm -
2 stops9h 22m
Sat 12/2610:38 am -
2 stops12h 48m
Deal found 8/30![Delta logo]()
$3,833
Best flights from Helena to HoustonDiscover carefully curated flight deals from Helena to Houston 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 Helena to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 1, 2026.
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/612:50 pm -
1 stop7h 46m
Wed 1/207:50 am -
1 stop5h 34m
Deal found 8/31![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 8/28. 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.
Thu 10/291:08 pm -
1 stop7h 50m
Sat 11/77:10 am -
1 stop6h 18m
Deal found 8/28![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:15 am -
2 stops11h 47m
Tue 11/37:10 am -
1 stop6h 18m
Deal found 8/31![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/65:45 am -
2 stops9h 45m
Wed 1/2010:38 am -
2 stops13h 03m
Deal found 8/31![Delta logo]()
$349
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.
Thu 12/171:10 pm -
2 stops9h 22m
Sat 12/2610:38 am -
2 stops12h 48m
Deal found 8/30![Delta logo]()
$3,833
Last-minute flights from Helena to HoustonDiscover last-minute flight deals from Helena to Houston. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Houston. Data last updated September 1, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 8/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:18 pm -
1 stop22h 55m
Tue 9/292:34 pm -
1 stop27h 07m
Deal found 8/31![Alaska Airlines logo]()
$444
One-way flights from Helena to HoustonSearch for one-way flight options from Helena to Houston. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
Search for one-way flight options from Helena to Houston. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:57 pm -
1 stop8h 00m
Deal found 8/27![Delta logo]()
$599
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:18 pm -
3 stops48h 07m
Deal found 8/27![Multiple Airlines logo]()
$786
Find flight deals from Helena to Houston
Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Houston (HO1). 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 | $339 (Delta) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Helena to Houston 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 Helena to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Wed 1/6
12:50 pm-9:36 pm
1 stop7h 46m
Houston George Bush Intcntl
Wed 1/20
7:50 am-12:24 pm
1 stop5h 34m
$339
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Thu 10/29
1:08 pm-9:58 pm
1 stop7h 50m
Houston George Bush Intcntl
Sat 11/7
7:10 am-12:28 pm
1 stop6h 18m
$339
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Fri 10/30
7:15 am-8:02 pm
2 stops11h 47m
Houston George Bush Intcntl
Tue 11/3
7:10 am-12:28 pm
1 stop6h 18m
$344
HelenaHouston
HLN Helena - HOU Houston Hobby
HLNHOU
Helena
Wed 1/6
5:45 am-4:30 pm
2 stops9h 45m
Houston Hobby
Wed 1/20
10:38 am-10:41 pm
2 stops13h 03m
$349
HelenaHouston
HLN Helena - HOU Houston Hobby
HLNHOU
Helena
Thu 12/17
1:10 pm-11:32 pm
2 stops9h 22m
Houston Hobby
Sat 12/26
10:38 am-10:26 pm
2 stops12h 48m
$3,833
Cheapest one-way
Quickest one-way
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Mon 9/14
12:57 pm-9:57 pm
1 stop8h 00m
$599
Sorted by cheapest first
Best time to book a flight from Helena to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Helena with our price prediction graph.
HLN-HO1
HLN-IAH
HLN-HOU
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 Helena to Houston
HLN-HO1
HLN-IAH
HLN-HOU
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated September 1, 2026.
See what other customers who have flown with Delta and United Airlines from Helena to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Food
7.2
Overall
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Helena to Houston. 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
Other flight options
Other flights from Helena
Popular flights
Alternative routes for Helena to Houston
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Houston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Helena to Houston by cabin class
Find flights from Helena to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Helena and Houston flights
Browse other Helena and Houston flight options. Last updated on September 1, 2026.
Other flights from Helena
Browse through other flights departing from Helena. Flights are based on user searches made on Cheapflights and were last updated on September 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Helena to Houston
Discover the top 2 airlines that operate flights from Helena to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$328 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$348 | Average$439 | FlexibilityNo cancel fee | On-time69% |