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$299+ Cheap flights from Helena to St. Louis (HLN - STL)

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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — STL
Nov 5 — Nov 121
Tue 11/5
Tue 11/12
1 adult, Economy
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Cheap flight deals from Helena to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to St. Louis (STL). 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 October 31, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

August

Average price

$438
Provider with most accurate pricing for Helena-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Lambert-St Louis flights.
Search Deals
High demand for flights, 31% potential price rise
Search Deals
Best time to find cheap flights, 33% potential price drop
Search Deals
Average for round-trip flights in October 2024
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Find flight deals from Helena to St. Louis

One-way flights from Helena to St. Louis
Search for one-way flight options from Helena to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 31, 2024.

This Delta deal was found by Cheapflights users on 10/31. 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.
Fri 12/201:25 pmHLN - STL
1 stop7h 09mDelta
Deal found 10/31$299
This United deal was found by Cheapflights users on 10/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/202:25 pmHLN - STL
1 stop6h 51mUnited Airlines
Deal found 10/30$322

Find flights from Helena to St. Louis within your budget

Customize your flight search to find flights from Helena to St. Louis 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 2,570,725 searches. Data last updated October 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Fri 12/20

1:25 pm-9:34 pm

1 stop7h 09m

$299

HelenaSt. Louis

HLN - STL

HLNSTL

Helena

Fri 12/20

2:25 pm-10:16 pm

1 stop6h 51m

$322

Flights are sorted by cheapest first

Deals found on 10/31

Compare providers for flights from Helena to St. Louis

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 Helena to St. Louis in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*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 Helena-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Helena-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Helena-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Helena-St. Louis 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 Helena-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Travel insights for flights from Helena to St. Louis

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

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

Currently, September is the cheapest month in which you can book a flight from Helena to St. Louis (average of $308). Flying from Helena to St. Louis in March is currently the most expensive (average of $356). 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 St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 31, 2024.
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

United Airlines
7.4
Good
9,240 reviews
Delta
8.0
Very good
8,835 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

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

  • What does HLN to STL mean?

    HLN and STL are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. HLN to STL refers to a flight route from Helena Airport to Lambert-St Louis Airport.

  • Can I find deals for flights from Helena to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Helena to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Helena to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Helena to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Helena to St. Louis that allow pets onboard?

    Many airlines flying from Helena to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Helena to St. Louis?

    Yes, you can often find last-minute deals on Helena to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

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

    Currently, September is the cheapest month in which you can book a flight from Helena to St. Louis (average of $308). Flying from Helena to St. Louis in March is currently the most expensive (average of $356). 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 Helena to St. Louis

Discover the top 2 airlines that operate flights from Helena to St. Louis. 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 2,570,725 searches. Data last updated October 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$309Average$516FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$434Average$650FlexibilityNo cancel feeOn-time69%
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