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Cheap flights from St. Louis to Helena from $235

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Helena departing on 1/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Helena

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Helena that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Helena.

Cheap last minute flights

Planning a quick getaway from St. Louis to Helena? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Helena, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Helena

Find recent round-trip train or bus tickets from St. Louis to Helena.

All round-trip flight deals to Helena

The cheapest plane tickets to Helena found on KAYAK recently.
STL-HLN
1218 mimulti-stop
HLN-STL
1218 mimulti-stop
Multiple Airlines
Find Deal
5:00 pm - 11:07 pmSTL-HLN
7h 07m1 stop
$235Delta
Find Deal
Mon, Jan 6
6:25 am - 1:45 pmSTL-HLN
8h 20m2 stops
$318United Airlines
Find Deal
Mon, Jan 6

See travel insights to Helena from

How to get the cheapest flight ticket from St. Louis to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Helena?

The cheapest day to depart from St. Louis to Helena is on a Tuesday. Travelers who choose to depart for Helena on a Tuesday will often find tickets for as low as $448. The most expensive day to fly to Helena is Thursday, with ticket prices averaging around $760.

What is the cheapest time of day to depart on your flight to Helena?

According to our data, the cheapest time of day to fly to Helena is in the morning. momondo users have found flights departing from St. Louis to Helena in the morning for as low as $538. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Helena is in the afternoon when prices are around $888.

When to book flights from St. Louis to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Helena according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Helena (STL to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Helena

Fastest flight time

7h 07m

Direct flights

None

Airports in Helena

1 airport
The fastest flight from St. Louis to Helena takes 7h 07m
There are no direct flights from St. Louis to Helena. Popular non-direct route for this connection is Lambert-St Louis Airport - Helena Airport.
There is 1 airport near Helena: Helena (HLN)

  • How far is Lambert-St Louis to Helena by plane?

    The distance between Lambert-St Louis and Helena is about 1232.9 mi.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Helena Airport?

    Prices for flights from Lambert-St Louis Airport to Helena Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Helena Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Helena Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Helena Airport.

  • What documentation or ID do you need to fly to Helena Airport?

    The necessary travel and health documents for your Helena Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Helena?


Best airlines flying from St. Louis to Helena

Compare and see reviews for airlines that fly from St. Louis to Helena with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $333Free CancellationRating
8.0
8,600 reviews
Search Delta flights
United AirlinesPriceFrom $408Free CancellationRating
7.4
9,048 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Helena?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Helena for you.

Can I find flights from St. Louis to Helena with flexible booking policies on momondo?

momondo does allow users to show only those flights to Helena from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Helena?

Once all potential St. Louis to Helena flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Helena right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Helena from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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