
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 November 5, 2026.
Round-trip from | $379 (Delta) |
|---|---|
One-way from | $220 (Priceline) |
Fly from
Fly to
Route
Depart
Return
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Wed 1/6
1:12 pm-9:41 pm
1 stop7h 29m
Houston George Bush Intcntl
Wed 1/20
12:10 pm-10:32 pm
2 stops11h 22m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Sat 1/23
7:10 am-5:21 pm
2 stops9h 11m
Houston George Bush Intcntl
Mon 2/1
9:58 am-10:32 pm
2 stops13h 34m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Tue 11/17
2:23 pm-11:59 pm
1 stop8h 36m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Tue 11/17
1:07 pm-11:50 pm
2 stops9h 43m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Tue 11/17
4:41 pm-4:54 pm
1 stop23h 13m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Fri 2/5
2:27 pm-11:59 pm
1 stop8h 32m
Houston George Bush Intcntl
Tue 2/9
7:20 am-1:40 pm
1 stop7h 20m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Sat 12/5
6:20 am-1:27 pm
1 stop6h 07m
Houston George Bush Intcntl
Tue 12/8
2:51 pm-9:26 pm
1 stop7h 35m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Sun 3/28
12:50 pm-11:28 pm
2 stops9h 38m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Wed 3/31
7:00 am-1:36 pm
1 stop5h 36m
Houston George Bush Intcntl
Fri 4/9
4:56 pm-12:24 pm
2 stops20h 28m
HelenaHouston
HLN Helena - IAH Houston George Bush Intcntl
HLNIAH
Helena
Tue 11/17
4:41 pm-1:00 pm
3 stops43h 19m
Houston George Bush Intcntl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
Everything you need to know about your flight from Helena to Houston
Entertainment
Food
Comfort
Overall
Boarding
Crew
Reviews
Ellen,Oct 2026
GRR - ATL
Entertainment
Food
Comfort
Overall
Boarding
Crew
Reviews
Ellen,Oct 2026
GRR - ATL
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.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$328 | FlexibilityNo cancel fee | On-timeN/A |