Round-trip from | $322 |
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Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to St. Louis. Check prices with Cheapflights to find a great deal for your trip.
It’s typically best to fly out from Helena to St. Louis in the afternoon. Doing so could potentially save you 40% on the flight price compared to flying in the morning, which is usually more expensive.
Fly from
Fly to
Budget
$448 - $553
Route
Depart
Return
Price
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 8/24
1 stop6h 30m
Lambert-St Louis
Tue 8/27
1 stop6h 00m
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 8/24
1 stop6h 30m
Lambert-St Louis
Tue 8/27
2 stops11h 39m
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 8/24
2 stops9h 29m
Lambert-St Louis
Tue 8/27
2 stops13h 30m
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 10/19
1 stop7h 11m
Lambert-St Louis
Fri 10/25
1 stop24h 37m
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 10/19
1 stop7h 11m
Lambert-St Louis
Sat 10/26
2 stops10h 58m
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 8/24
2 stops24h 23m
Lambert-St Louis
Tue 8/27
2 stops11h 10m
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 10/19
1 stop7h 11m
Lambert-St Louis
Sun 10/27
1 stop8h 43m
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sun 5/19
1 stop7h 58m
Lambert-St Louis
Sat 6/8
1 stop29h 18m
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 10/19
1 stop7h 26m
Lambert-St Louis
Sat 10/26
2 stops11h 44m
Currently, September is the cheapest month in which you can book a flight from Helena to St. Louis (average of $322). Flying from Helena to St. Louis in July is currently the most expensive (average of $377). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
January
$326
February
$331
March
$357
April
$337
May
$345
June
$371
July
$377
August
$336
September
$322
October
$324
November
$336
December
$326
STL Temperature | 32 - 80.6 °F |
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Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Overall
Boarding
Comfort
Entertainment
Food
Crew
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
When you search for this flight from Helena to St. Louis, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
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