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Cheap flights from St. Louis to Helena (STL - HLN) from $314

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — HLN
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
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 June 6, 2024.

Popular in

March

Cheapest in

April

Round-trip from

$332

One-way from

$314
High demand for flights, 44% potential price rise
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Best time to find cheap flights, 58% potential price drop
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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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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 Tuesday 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?

Flights from St. Louis to Helena lean towards being more expensive in March. Prices are generally better when you fly from St. Louis to Helena in April, with the cheapest ticket starting at $278.

What is the cheapest time of day to fly from STL to HLN?

It’s typically best to fly out from St. Louis to Helena at noon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap St. Louis to Helena flights in June & July 2024

Find cheap flight options from St. Louis to Helena specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
These are some of the best deals we've found on flights to Helena in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 7/37:00 amSTL - HLN
1 stop17h 59mAlaska Airlines
Wed 7/103:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Deal found 6/5$485
Wed 7/35:30 pmSTL - HLN
2 stops28h 48mUnited Airlines
Wed 7/102:30 pmHLN - STL
1 stop6h 41mUnited Airlines
Deal found 6/5$612
Wed 7/38:01 amSTL - HLN
2 stops16h 58mAlaska Airlines
Wed 7/107:00 amHLN - STL
2 stops25h 29mAlaska Airlines
Deal found 6/5$782
Fri 6/79:05 amSTL - HLN
1 stop13h 21mUnited Airlines
Fri 6/146:53 amHLN - STL
2 stops30h 23mUnited Airlines
Deal found 6/5$935
Fri 6/74:55 pmSTL - HLN
2 stops29h 31mUnited Airlines
Fri 6/146:53 amHLN - STL
2 stops30h 23mUnited Airlines
Deal found 6/5$940
Fri 6/79:05 amSTL - HLN
1 stop13h 21mUnited Airlines
Fri 6/146:53 amHLN - STL
1 stop12h 56mUnited Airlines
Deal found 6/5$970

St. Louis to Helena 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Helena in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
These are some of the best deals we've found on flights to Helena in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 10/47:00 amSTL - HLN
1 stop9h 33mAlaska Airlines
Mon 10/74:13 pmHLN - STL
1 stop6h 45mAlaska Airlines
Deal found 6/5$448
Wed 7/37:00 amSTL - HLN
1 stop17h 59mAlaska Airlines
Wed 7/103:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Deal found 6/5$485
Fri 10/45:34 pmSTL - HLN
2 stops21h 16mUnited Airlines
Mon 10/72:25 pmHLN - STL
1 stop6h 50mUnited Airlines
Deal found 6/5$512
Fri 10/45:34 pmSTL - HLN
2 stops21h 16mUnited Airlines
Mon 10/72:25 pmHLN - STL
2 stops23h 23mUnited Airlines
Deal found 6/5$520
Wed 7/35:30 pmSTL - HLN
2 stops28h 48mUnited Airlines
Wed 7/102:30 pmHLN - STL
1 stop6h 41mUnited Airlines
Deal found 6/5$612
Wed 7/38:01 amSTL - HLN
2 stops16h 58mAlaska Airlines
Wed 7/107:00 amHLN - STL
2 stops25h 29mAlaska Airlines
Deal found 6/5$782
Fri 6/79:05 amSTL - HLN
1 stop13h 21mUnited Airlines
Fri 6/146:53 amHLN - STL
2 stops30h 23mUnited Airlines
Deal found 6/5$935
Fri 6/74:55 pmSTL - HLN
2 stops29h 31mUnited Airlines
Fri 6/146:53 amHLN - STL
2 stops30h 23mUnited Airlines
Deal found 6/5$940
Fri 6/79:05 amSTL - HLN
1 stop13h 21mUnited Airlines
Fri 6/146:53 amHLN - STL
1 stop12h 56mUnited Airlines
Deal found 6/5$970

One-way flights to Helena from St. Louis

Search for one-way flight options from St. Louis to Helena. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Take a look at some of the one-way flights we've detected from St. Louis to Helena. Those needing a return flight from St. Louis to Helena can use the search form above.
Tue 6/256:25 pmSTL - HLN
1 stop5h 20mDelta
Deal found 6/6$314
Tue 6/253:23 pmSTL - HLN
2 stops8h 22mDelta
Deal found 6/6$384

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$448 - $692

Route

Depart

Return

Price

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Fri 10/4

1 stop9h 33m

Helena

Mon 10/7

1 stop6h 45m

$448

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Tue 7/2

1 stop5h 36m

Helena

Tue 7/30

1 stop6h 41m

$468

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Wed 7/3

1 stop17h 59m

Helena

Wed 7/10

1 stop7h 17m

$485

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Sat 7/6

1 stop5h 45m

Helena

Sat 7/13

1 stop7h 33m

$498

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Fri 10/4

2 stops21h 16m

Helena

Mon 10/7

1 stop6h 50m

$512

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Fri 10/4

2 stops21h 16m

Helena

Mon 10/7

2 stops23h 23m

$520

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Wed 7/3

2 stops28h 48m

Helena

Wed 7/10

1 stop6h 41m

$612

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Tue 7/2

2 stops30h 51m

Helena

Tue 7/30

1 stop7h 17m

$615

Lambert-St LouisHelena

STL - HLN

STLHLN

Lambert-St Louis

Tue 7/2

2 stops30h 51m

Helena

Tue 7/30

2 stops16h 47m

$692

Flights are sorted by cheapest first

Deals found on 6/5

What is the cheapest day to fly from St. Louis to Helena?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Helena. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Helena flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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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.

Temperature and rainfall in Helena by month

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

HLN

Temperature

21.2 - 69.8 °F

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 June 6, 2024.
To help decide which airline to fly from St. Louis to Helena, see what other customers have to say about United Airlines and Alaska Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,222 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,222 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,368 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,696 reviews
Alaska Airlines
8.1
Very good
9,222 reviews

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Overall

8.1

Food

7.3

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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.

  • 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 Alaska Airlines for just $448, but on average you can expect to pay $579.

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

    Flying on Alaska Airlines is currently your cheapest option to Helena, with prices starting at $448. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $468 and $498, respectively. Users have found that Alaska Airlines is 31% cheaper than the other options available to this destination.

  • What does STL to HLN mean?

    This is defined as Lambert-St Louis Airport (STL) and Helena Airport (HLN). Codes like Helena Airport are often used to just call airports uniquely.

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

    The amount of baggage you can bring on your St. Louis to Helena 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 St. Louis to Helena with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Helena 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 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.

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

    Many airlines flying from St. Louis to Helena 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 St. Louis to Helena?

    Yes, you can often find last-minute deals on St. Louis to Helena 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.

  • How recently were the St. Louis to Helena flight deals updated?

    The St. Louis to Helena flight deals you see on this page were last updated on 6/5.

  • 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 $332). 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$377Average$543FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$437Average$576FlexibilityNo cancel feeOn-time69%
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Search flights from St. Louis to Helena by cabin class

Find flights from St. Louis to Helena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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