$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
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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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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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 August 14, 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 August 14, 2026.
This Delta deal was found by Cheapflights users on 8/12. 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 8/12![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/242:30 pm -
1 stop7h 29m
Sun 9/276:20 am -
1 stop8h 28m
Deal found 8/9![United Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/312:23 pm -
1 stop5h 35m
Tue 11/37:20 am -
1 stop7h 20m
Deal found 8/11![United Airlines logo]()
$429
This Expedia deal was found by Cheapflights users on 8/9. 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.
Thu 9/245:18 pm -
1 stop22h 55m
Sun 9/274:13 pm -
2 stops25h 28m
Deal found 8/9![Alaska Airlines logo]()
$480
This Orbitz deal was found by Cheapflights users on 8/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:26 pm -
1 stop22h 48m
Mon 10/192:55 pm -
1 stop26h 54m
Deal found 8/10![Alaska Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 8/12. 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 11/121:04 pm -
1 stop7h 36m
Sat 11/217:08 am -
1 stop6h 14m
Deal found 8/12![Delta logo]()
$549
This Delta deal was found by Cheapflights users on 8/11. 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 12/195:45 am -
2 stops9h 45m
Sun 12/2710:05 am -
2 stops13h 36m
Deal found 8/11![Delta logo]()
$2,871
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 August 14, 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 August 14, 2026.
This Delta deal was found by Cheapflights users on 8/14. 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 8/14![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/12. 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 10/292:23 pm -
1 stop5h 35m
Sat 11/78:30 am -
1 stop6h 10m
Deal found 8/12![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/14. 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 11/711:34 am -
2 stops11h 55m
Deal found 8/14![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/10. 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 stops14h 58m
Wed 1/2010:05 am -
2 stops13h 36m
Deal found 8/10![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/12. 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 10/312:23 pm -
1 stop5h 35m
Tue 11/37:20 am -
1 stop7h 20m
Deal found 8/12![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/10. 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 12/195:45 am -
2 stops14h 58m
Sun 12/2710:05 am -
2 stops13h 36m
Deal found 8/10![Delta logo]()
$2,871
Last-minute flights from Helena to HoustonDiscover last-minute flight deals from Helena to Houston. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Houston. Data last updated August 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/112:26 pm -
1 stop5h 29m
Mon 9/146:30 am -
1 stop8h 15m
Deal found 8/13![United Airlines logo]()
$429
This Expedia deal was found by Cheapflights users on 8/13. 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 9/115:18 pm -
1 stop22h 55m
Mon 9/146:16 pm -
2 stops23h 25m
Deal found 8/13![Alaska Airlines logo]()
$634
This Expedia deal was found by Cheapflights users on 8/13. 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 9/185:18 pm -
1 stop22h 55m
Sun 9/202:34 pm -
1 stop27h 07m
Deal found 8/13![Alaska Airlines logo]()
$609
This Expedia deal was found by Cheapflights users on 8/13. 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.
Sat 9/195:18 pm -
2 stops19h 13m
Sun 9/202:34 pm -
1 stop27h 07m
Deal found 8/13![Alaska Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 8/13. 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 9/197:15 am -
1 stop5h 20m
Sun 9/207:25 am -
1 stop5h 52m
Deal found 8/13![Delta logo]()
$719
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/242:30 pm -
1 stop7h 29m
Sun 9/276:20 am -
1 stop8h 28m
Deal found 8/9![United Airlines logo]()
$398
This Expedia deal was found by Cheapflights users on 8/9. 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.
Thu 9/245:18 pm -
1 stop22h 55m
Sun 9/274:13 pm -
2 stops25h 28m
Deal found 8/9![Alaska Airlines logo]()
$480
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 August 14, 2026.
Search for one-way flight options from Helena to Houston. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/292:35 pm -
1 stop6h 06m
Deal found 8/10![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/10. 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 8/2912:55 pm -
2 stops9h 57m
Deal found 8/10![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/10. 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 8/222:35 pm -
1 stop7h 21m
Deal found 8/10![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 8/10. 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 8/2212:55 pm -
2 stops9h 57m
Deal found 8/10![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 8/10. 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 8/226:50 am -
2 stops13h 33m
Deal found 8/10![Delta logo]()
$509
This Delta deal was found by Cheapflights users on 8/10. 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 8/296:50 am -
2 stops13h 33m
Deal found 8/10![Delta logo]()
$825
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 August 14, 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 2,558,603 searches. Data last updated August 14, 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
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
11:34 am-10:29 pm
2 stops11h 55m
$344
HelenaHouston
HLN Helena - HOU Houston Hobby
HLNHOU
Helena
Wed 1/6
5:45 am-9:43 pm
2 stops14h 58m
Houston Hobby
Wed 1/20
10:05 am-10:41 pm
2 stops13h 36m
$349
Quickest round-trip
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Thu 10/29
2:23 pm-8:58 pm
1 stop5h 35m
Houston George Bush Intcntl
Sat 11/7
8:30 am-1:40 pm
1 stop6h 10m
$429
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Sat 10/31
2:23 pm-8:58 pm
1 stop5h 35m
Houston George Bush Intcntl
Tue 11/3
7:20 am-1:40 pm
1 stop7h 20m
$429
HelenaHouston
HLN Helena - HOU Houston Hobby
HLNHOU
Helena
Sat 12/19
5:45 am-9:43 pm
2 stops14h 58m
Houston Hobby
Sun 12/27
10:05 am-10:41 pm
2 stops13h 36m
$2,871
Cheapest one-way
Quickest one-way
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Sat 8/29
2:35 pm-9:41 pm
1 stop6h 06m
$429
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Sat 8/22
2:35 pm-10:56 pm
1 stop7h 21m
$504
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Sat 8/22
12:55 pm-11:52 pm
2 stops9h 57m
$509
HelenaHouston
HLN Helena - HOU Houston Hobby
HLNHOU
Helena
Sat 8/22
6:50 am-9:23 pm
2 stops13h 33m
$509
Showing 1-10 of 11 resultsSorted 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 August 14, 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.
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.8
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Alternative routes for Helena to Houston
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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 August 14, 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 August 14, 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 2,558,603 searches. Data last updated August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$348 | Average$443 | FlexibilityNo cancel fee | On-time69% |