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Helena

$177+ Cheap flights from St. Louis to Helena (STL - HLN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HLN
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from St. Louis to Helena

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Helena (HLN). 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 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(United Airlines)

One-way from

$177
(Delta)
Provider with most accurate pricing for Lambert-St Louis-Helena flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Helena flights.
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From Lambert-St Louis to Helena
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One-way flight from Lambert-St Louis to Helena
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Find flight deals from St. Louis to Helena

Cheapest flights from St. Louis to Helena
Explore the most affordable flight options available from St. Louis to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/111:39 pmSTL - HLN
1 stop8h 34mUnited Airlines
Sun 1/126:45 amHLN - STL
1 stop5h 03mUnited Airlines
Deal found 11/19$329
This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/57:40 amSTL - HLN
1 stop5h 50mDelta
Mon 12/95:30 amHLN - STL
2 stops11h 59mDelta
Deal found 11/19$579

Find flights from St. Louis to Helena within your budget

Customize your flight search to find flights from St. Louis to Helena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Wed 12/11

1:39 pm-9:13 pm

1 stop8h 34m

Helena

Sun 1/12

6:45 am-12:48 pm

1 stop5h 03m

$329

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Thu 12/5

7:40 am-12:30 pm

1 stop5h 50m

Helena

Mon 12/9

5:30 am-6:29 pm

2 stops11h 59m

$579

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Mon 1/6

7:40 am-12:45 pm

1 stop6h 05m

$177

St. LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Mon 1/6

5:30 pm-9:36 pm

3 stops29h 06m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Compare providers for flights from St. Louis to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Helena in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Helena

Get recent, data-driven insights about flights from St. Louis to Helena including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from St. Louis to Helena?

Currently, February is the cheapest month in which you can book a flight from St. Louis to Helena (average of $347). Flying from St. Louis to Helena in July is currently the most expensive (average of $630). 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.

Rainfall in Helena by month

Plan your trip to Helena by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

Plan your trip to Helena by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helena. Reviews last updated November 20, 2024.
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Helena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from St. Louis to Helena round-trip?

    Flying on United Airlines is currently your cheapest option to Helena, with prices starting at $329. Another option worth looking into is Delta, starting at $579 round trip.

  • Can I find deals for flights from St. Louis to Helena that include hotel bookings?

    Yes. In addition to deals on St. Louis to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Helena.

  • Can I find deals for business class flights from St. Louis to Helena?

    Yes. Cheapflights offers flight deals from St. Louis to Helena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Helena?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Helena (average of $347). Flying from St. Louis to Helena in July is currently the most expensive (average of $630). 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.

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Top 2 airlines flying from St. Louis to Helena

Discover the top 2 airlines that operate flights from St. Louis to Helena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$333Average$513FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$408Average$728FlexibilityNo cancel feeOn-time69%
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