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

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

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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.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Helena Regional
Distance
1952 km

Book with confidence

Book with confidence

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