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Cheap flights from St Louis to Helena (STL - HLN)

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How to find the cheapest flight from
St Louis (STL) to Helena (HLN)

What is the cheapest day to fly round-trip from St Louis to Helena?

Users have found that flying from St Louis to Helena on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from St Louis to Helena?

April can be a great time to fly to Helena from St Louis with a flight ticket averaging about $299. Cheapflights users have found deals in the month of April for as cheap as $119. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from St Louis to Helena (STL - HLN)?

One of the essential ways to save on airfare from St Louis to Helena is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.

Cheap flights from St Louis to Helena in September, October 2020

The best prices found for STL to HLN flights for September, October
16 Oct - 18 Oct
$428pp
STL
Lambert-St Louis
Delta
   
2 STOPS
HLN
Helena
HLN
Helena
Delta
 
1 STOP
STL
Lambert-St Louis
3 Oct - 10 Oct
$686pp
STL
Lambert-St Louis
Delta
   
2 STOPS
HLN
Helena
HLN
Helena
Delta
 
1 STOP
STL
Lambert-St Louis
3 Oct - 10 Oct
$690pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

St Louis to Helena 2020 flight deals

Cheap flights to Helena from St Louis found for this year
16 Oct - 18 Oct
$428pp
STL
Lambert-St Louis
Delta
   
2 STOPS
HLN
Helena
HLN
Helena
Delta
 
1 STOP
STL
Lambert-St Louis
3 Oct - 10 Oct
$686pp
STL
Lambert-St Louis
Delta
   
2 STOPS
HLN
Helena
HLN
Helena
Delta
 
1 STOP
STL
Lambert-St Louis
3 Oct - 10 Oct
$690pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

Last minute flights from St Louis to Helena

Late deals on round-trip flights to Helena from St Louis, departing today and this week
3 Oct - 10 Oct
$686pp
STL
Lambert-St Louis
Delta
   
2 STOPS
HLN
Helena
HLN
Helena
Delta
 
1 STOP
STL
Lambert-St Louis
3 Oct - 10 Oct
$690pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
2 Oct - 4 Oct
$725pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

Related info for your journey

Useful info, stats and facts about St Louis to Helena flights.

Flight FAQs

From St Louis to Helena

Are flight prices decreasing from St Louis to Helena due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Helena for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St Louis to Helena for under $500 on Cheapflights?

Yes, there are multiple flights from St Louis to Helena for under $500. The cheapest flight booked recently is on Delta for just $428, but on average you can expect to pay $691.

Are there nonstop flights from St Louis to Helena for under $400 on Cheapflights?

There are no nonstop flights from St Louis to Helena, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Helena for under $700?

There are currently 4+ open flights from St Louis to Helena within the next 7 days for less than $700.

Does it rain more in St Louis or Helena?

In St Louis, there will be greater rainfall in St Louis compared to Helena over the next 10 days.

Is St Louis weather warmer or cooler than Helena?

You can imagine temperatures to be in the 90 °F range in July. The weather in Helena is generally colder than St Louis's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from St Louis to Helena?

Airlines like Delta fly from St Louis to Helena in about 10h 22m. The time it takes to get you to your destination can typically vary by up to .

What is the cheapest airline to fly from St Louis to Helena round-trip?

Delta, at $428, was found to be the cheapest airline from St Louis to Helena..

Alternative routes for St Louis to Helena

Destination information for Helena

Things to know before you go. Useful info for your trip from St Louis to Helena
Average temperature for September in Helena
75.2 °F
Avg rainfall for September in Helena
0.9 ″

Airports servicing St. Louis

Airports servicing Helena

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