Round-trip from | $323 |
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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
$438 - $478
Route
Depart
Return
Price
HelenaLambert-St Louis
HLN - STL
HLNSTL
Helena
Sat 8/24
1 stop7h 26m
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 stops11h 39m
Currently, September is the cheapest month in which you can book a flight from Helena to St. Louis (average of $323). Flying from Helena to St. Louis in July is currently the most expensive (average of $378). 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
$350
June
$373
July
$378
August
$336
September
$323
October
$323
November
$336
December
$326
STL Temperature | 32 - 80.6 °F |
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Food
Boarding
Comfort
Entertainment
Overall
Crew
Reviews
Terrible flight crew that skipped our row for service multiple times.
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.
Cheapflights simply makes it quick and affordable to book flights from Helena to St. Louis by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Yes! Cheapflights helps users easily find flights from Helena to St. Louis with no change fees.
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