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Cheap flights from Helena to St. Louis (HLN - STL) from $448

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/25. 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.
HLN — STL
Jun 11 — Jun 181
From?
To?
Tue 6/11
Tue 6/18
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 June 6, 2024.

Popular in

July

Cheapest in

January

Average price

$821

Round-trip from

$318
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 35% potential price drop
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Average for round-trip flights in June 2024
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From Helena to Lambert-St Louis
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What is the cheapest day to fly round-trip from Helena to St. Louis?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to St. Louis. Check prices with Cheapflights to find a great deal for your trip.

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

The best pricing can be found in the month of January. Prices to St. Louis from Helena average $654. You can even find prices in January for less than $654, as users have found deals to St. Louis from as low as $426. The month of July appears to be one of the more expensive times to travel to St. Louis from Helena. Flying in the targeted month can save you up to 39%.

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

It’s typically best to fly out from Helena to St. Louis in the afternoon. Doing so could potentially save you 26% on the flight price compared to flying in the morning, which is usually more expensive.

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

Find cheap flight options from Helena to St. Louis 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.
Thu 7/253:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Wed 7/317:00 amSTL - HLN
1 stop9h 05mAlaska Airlines
Deal found 6/6$448
Thu 7/253:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Wed 7/316:04 amSTL - HLN
2 stops18h 55mAlaska Airlines
Deal found 6/6$615
Thu 7/256:00 amHLN - STL
2 stops9h 20mDelta
Wed 7/316:06 amSTL - HLN
2 stops7h 25mDelta
Deal found 6/6$683
Mon 7/152:30 pmHLN - STL
2 stops22h 48mUnited Airlines
Fri 7/195:30 pmSTL - HLN
2 stops28h 48mUnited Airlines
Deal found 6/6$720
Mon 7/153:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Fri 7/196:09 pmSTL - HLN
2 stops30h 50mAlaska Airlines
Deal found 6/6$730
Mon 7/153:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Fri 7/197:00 amSTL - HLN
1 stop17h 59mAlaska Airlines
Deal found 6/6$780

Helena to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Helena and St. Louis 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.
Thu 7/253:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Wed 7/317:00 amSTL - HLN
1 stop9h 05mAlaska Airlines
Deal found 6/6$448
Thu 7/253:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Wed 7/316:04 amSTL - HLN
2 stops18h 55mAlaska Airlines
Deal found 6/6$615
Thu 7/256:00 amHLN - STL
2 stops9h 20mDelta
Wed 7/316:06 amSTL - HLN
2 stops7h 25mDelta
Deal found 6/6$683
Mon 7/152:30 pmHLN - STL
2 stops22h 48mUnited Airlines
Fri 7/195:30 pmSTL - HLN
2 stops28h 48mUnited Airlines
Deal found 6/6$720
Mon 7/153:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Fri 7/196:09 pmSTL - HLN
2 stops30h 50mAlaska Airlines
Deal found 6/6$730
Mon 7/153:42 pmHLN - STL
1 stop7h 17mAlaska Airlines
Fri 7/197:00 amSTL - HLN
1 stop17h 59mAlaska Airlines
Deal found 6/6$780

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

Fly from

Any airport

Fly to

Any airport

Budget

$448 - $780

Route

Depart

Return

Price

HelenaLambert-St Louis

HLN - STL

HLNSTL

Helena

Thu 7/25

1 stop7h 17m

Lambert-St Louis

Wed 7/31

1 stop9h 05m

$448

HelenaLambert-St Louis

HLN - STL

HLNSTL

Helena

Thu 7/25

1 stop7h 17m

Lambert-St Louis

Wed 7/31

2 stops18h 55m

$615

HelenaLambert-St Louis

HLN - STL

HLNSTL

Helena

Thu 7/25

2 stops9h 20m

Lambert-St Louis

Wed 7/31

2 stops7h 25m

$683

HelenaLambert-St Louis

HLN - STL

HLNSTL

Helena

Mon 7/15

2 stops22h 48m

Lambert-St Louis

Fri 7/19

2 stops28h 48m

$720

HelenaLambert-St Louis

HLN - STL

HLNSTL

Helena

Mon 7/15

1 stop7h 17m

Lambert-St Louis

Fri 7/19

2 stops30h 50m

$730

HelenaLambert-St Louis

HLN - STL

HLNSTL

Helena

Mon 7/15

1 stop7h 17m

Lambert-St Louis

Fri 7/19

1 stop17h 59m

$780

Flights are sorted by cheapest first

Deals found on 6/6

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

Use this chart to determine the cheapest time to fly round-trip from Helena to St. Louis. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Helena to St. Louis flight should consider departing on Thursday afternoons when fares are most often at their lowest. Saturday 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 Helena to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Helena 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 St. Louis by month

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

STL

Temperature

32 - 80.6 °F

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 June 6, 2024.
Alaska Airlines
8.1
Very good
9,222 reviews

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

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

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

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

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

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

Boarding

8.2

Crew

8.6

Comfort

7.9

Food

7.3

Entertainment

7.3

Overall

8.1

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 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.

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

    Yes, there are multiple flights from Helena to St. Louis for under $500. The cheapest flight booked recently is on Alaska Airlines for just $448, but on average you can expect to pay $662.

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

    Alaska Airlines, at $448, was found to be the cheapest airline from Helena to St. Louis.Alternate airlines to your destination round-trip include Delta and United Airlines. Alaska Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • 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.

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

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

  • 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 $318). Flying from Helena to St. Louis in July is currently the most expensive (average of $365). 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$437Average$539FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$445Average$593FlexibilityNo cancel feeOn-time69%
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Search flights from Helena to St. Louis by cabin class

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