Cheap Flights from St. Louis (STL) to Helena (HLN)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Helena, MT (HLN-Helena Regional)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in
Flights from St. Louis (STL) to Helena (HLN)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Helena Regional
Distance
1952 km

St. Louis to Helena Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from St. Louis to Helena will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Helena.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with STL to HLN flights that won’t make your bank account wince. Ready to temporarily leave behind St. Louis for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to HLN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to HLN?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights from STL to Helena Regional Airport start from . Make your booking ASAP to get the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to HLN?
We understand that your situation can change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Lambert Field to Helena Regional Airport (HLN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for STL to Helena Regional Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Lambert Field to Helena Regional Airport (HLN)?
Around 1,950 kilometers separates St. Louis and Helena, so pack some entertainment to help you while away a couple of hours. That novel you haven't had time to start will be perfect.
Which airlines fly direct from Lambert Field to Helena Regional Airport?
Right now, no airlines offer flights directly from Lambert Field to Helena Regional Airport (HLN). You'll have to book a flight with one or more stops. To score the best price and connections, lock in your fare well in advance.
Are St. Louis Lambert International Airport to HLN flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes pick up a bargain, with some of the cheapest airfares from STL to HLN surfacing a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continuously --- as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.