$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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — HOU
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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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 September 12, 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 12, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/291:08 pm -
1 stop7h 50m
Sat 11/77:10 am -
1 stop6h 18m
Deal found 9/10![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
2 stops9h 47m
Sun 11/17:10 am -
1 stop6h 18m
Deal found 9/9![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/222:26 pm -
1 stop8h 30m
Tue 9/297:20 am -
1 stop7h 28m
Deal found 9/8![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/302:23 pm -
1 stop7h 31m
Tue 11/38:30 am -
1 stop6h 10m
Deal found 9/9![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/302:23 pm -
1 stop7h 31m
Mon 11/24:26 pm -
1 stop6h 05m
Deal found 9/9![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/252:30 pm -
1 stop5h 25m
Tue 9/293:00 pm -
1 stop7h 18m
Deal found 9/10![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 9/8. 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 11/251:07 pm -
2 stops9h 14m
Mon 11/3010:27 am -
2 stops12h 59m
Deal found 9/8![Delta logo]()
$1,685
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 12, 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 12, 2026.
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/291:08 pm -
1 stop7h 50m
Sat 11/77:10 am -
1 stop6h 18m
Deal found 9/10![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/222:26 pm -
1 stop8h 30m
Tue 9/297:20 am -
1 stop7h 28m
Deal found 9/8![United Airlines logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:26 pm -
2 stops19h 26m
Tue 11/37:02 am -
1 stop10h 02m
Deal found 9/9![Alaska Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
1 stop7h 50m
Tue 11/37:10 am -
1 stop6h 18m
Deal found 9/9![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/302:23 pm -
1 stop7h 31m
Tue 11/38:30 am -
1 stop6h 10m
Deal found 9/9![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
1 stop7h 50m
Sun 11/17:10 am -
1 stop6h 18m
Deal found 9/9![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 9/9. 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 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 1/2010:38 am -
2 stops13h 03m
Deal found 9/9![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/302:23 pm -
1 stop7h 31m
Mon 11/24:26 pm -
1 stop6h 05m
Deal found 9/9![United Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/152:30 pm -
1 stop8h 29m
Mon 10/196:20 am -
1 stop8h 28m
Deal found 9/9![United Airlines logo]()
$528
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/85:45 am -
2 stops14h 58m
Mon 1/1110:38 am -
2 stops13h 03m
Deal found 9/9![Delta logo]()
$1,164
This Delta deal was found by Cheapflights users on 9/8. 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 11/251:07 pm -
2 stops9h 14m
Mon 11/3010:27 am -
2 stops12h 59m
Deal found 9/8![Delta logo]()
$1,685
Last-minute flights from Helena to HoustonDiscover last-minute flight deals from Helena to Houston. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Houston. Data last updated September 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Tue 9/222:26 pm -
1 stop8h 30m
Tue 9/297:20 am -
1 stop7h 28m
Deal found 9/8![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 9/252:30 pm -
1 stop5h 25m
Tue 9/293:00 pm -
1 stop7h 18m
Deal found 9/10![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/291:08 pm -
1 stop7h 50m
Sat 11/77:10 am -
1 stop6h 18m
Deal found 9/10![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:08 pm -
2 stops9h 47m
Sun 11/17:10 am -
1 stop6h 18m
Deal found 9/9![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/302:23 pm -
1 stop7h 31m
Tue 11/38:30 am -
1 stop6h 10m
Deal found 9/9![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/302:23 pm -
1 stop7h 31m
Mon 11/24:26 pm -
1 stop6h 05m
Deal found 9/9![United Airlines logo]()
$464
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 12, 2026.
Search for one-way flight options from Helena to Houston. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:26 pm -
2 stops19h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 9/11. 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.
Fri 10/91:08 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$443
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 12, 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 12, 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
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
1:08 pm-9:58 pm
1 stop7h 50m
Houston George Bush Intcntl
Tue 11/3
7:10 am-12:28 pm
1 stop6h 18m
$369
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Tue 9/22
2:26 pm-11:56 pm
1 stop8h 30m
Houston George Bush Intcntl
Tue 9/29
7:20 am-1:48 pm
1 stop7h 28m
$394
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Fri 10/30
1:08 pm-9:58 pm
1 stop7h 50m
Houston George Bush Intcntl
Sun 11/1
7:10 am-12:28 pm
1 stop6h 18m
$399
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Tue 10/13
5:26 pm-1:52 pm
2 stops19h 26m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$417
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
10:38 am-10:41 pm
2 stops13h 03m
$419
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Fri 10/30
2:23 pm-10:54 pm
1 stop7h 31m
Houston George Bush Intcntl
Tue 11/3
8:30 am-1:40 pm
1 stop6h 10m
$429
Quickest round-trip
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Fri 10/9
1:08 pm-11:55 pm
2 stops9h 47m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$448
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Fri 10/30
2:23 pm-10:54 pm
1 stop7h 31m
Houston George Bush Intcntl
Mon 11/2
4:26 pm-9:31 pm
1 stop6h 05m
$464
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Thu 10/15
2:30 pm-11:59 pm
1 stop8h 29m
Houston George Bush Intcntl
Mon 10/19
6:20 am-1:48 pm
1 stop8h 28m
$528
Showing 1-10 of 13 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 September 12, 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.
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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 September 12, 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 12, 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 12, 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% |