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

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St Louis to Helena 2020 flight deals

Cheap flights to Helena from St Louis found for this year
12 Sep - 16 Sep
$216pp
STL
Lambert-St Louis
Delta
   
2 STOPS
HLN
Helena
HLN
Helena
Delta
   
2 STOPS
STL
Lambert-St Louis
12 Sep - 16 Sep
$569pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Alaska Airlines
 
1 STOP
STL
Lambert-St Louis
18 May - 25 May
$1263pp
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
HLN
Helena
HLN
Helena
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis

One-way flights to Helena from St Louis

The cheapest one-way flights from St Louis to Helena
3:55 am - 8:25 am
Delta
1 Stop
5h 30m
STL - HLN
Delta
$349
Delta
3:00 am - 9:47 am
Multiple Airlines
2 Stops
31h 47m
STL - HLN
Multiple Airlines
$553
United
3:00 am - 9:47 am
Multiple Airlines
2 Stops
31h 47m
STL - HLN
Multiple Airlines
$584
United

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 $300 on Cheapflights?

Yes, there are multiple flights from St Louis to Helena for under $300. The cheapest flight booked recently is on Delta for just $216, but on average you can expect to pay $392.

Are there nonstop flights from St Louis to Helena for under $200 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.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for Southwest Airlines Co., as currently they have the cheapest options available from St Louis to Helena. On average you can find 100 flights for this flight path daily.

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 14 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.

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 June in Helena
77.0 °F
Avg rainfall for June in Helena
2.2 ″

Airports servicing St. Louis

Airports servicing Helena