SDF - HLN

$309 Find Cheap Flights from Louisville to Helena

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Louisville to Helena departing on 8/15. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Helena

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Helena, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Louisville to Helena, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$459
United Airlines
Tue 8/11Thu 8/20
SDF - HLN • 2 stops
Cheapest one-way
$309
Delta
Sat 8/15
SDF - HLN • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Louisville and Helena. You'll need at least 1 connection.
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Helena!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Louisville to Helena (SDF-HLN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Louisville to Helena that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Helena

Tue, Aug 11 - Thu, Aug 20
United Airlines Logo
6:00 am - 4:05 pm
SDF
-
HLN
12h 05m
2 stops
United Airlines Logo
2:30 pm - 9:57 pm
HLN
-
SDF
5h 27m
1 stop
$459United Airlines
Tue, Aug 11 - Sat, Aug 22
Delta Logo
5:45 pm - 12:23 pm
SDF
-
HLN
20h 38m
2 stops
Delta Logo
5:45 am - 3:44 pm
HLN
-
SDF
7h 59m
2 stops
$469Delta
Sat, Aug 15 - Sat, Aug 22
Delta Logo
3:24 pm - 10:34 pm
SDF
-
HLN
9h 10m
2 stops
Delta Logo
5:45 am - 3:44 pm
HLN
-
SDF
7h 59m
2 stops
$474Delta
Fri, Aug 14 - Sat, Aug 22
Delta Logo
7:30 pm - 12:23 pm
SDF
-
HLN
18h 53m
2 stops
Delta Logo
5:45 am - 3:44 pm
HLN
-
SDF
7h 59m
2 stops
$482Delta
Sat, Aug 15 - Thu, Aug 20
United Airlines Logo
7:55 am - 1:27 pm
SDF
-
HLN
7h 32m
1 stop
United Airlines Logo
2:30 pm - 9:57 pm
HLN
-
SDF
5h 27m
1 stop
$489United Airlines
Sun, Aug 16 - Mon, Aug 24
United Airlines Logo
7:55 am - 1:27 pm
SDF
-
HLN
7h 32m
1 stop
United Airlines Logo
2:30 pm - 7:34 pm
HLN
-
SDF
27h 04m
2 stops
$498United Airlines
Tue, Aug 11 - Wed, Aug 19
United Airlines Logo
6:00 am - 4:05 pm
SDF
-
HLN
12h 05m
2 stops
United Airlines Logo
2:30 pm - 2:47 pm
HLN
-
SDF
22h 17m
2 stops
$528United Airlines
Sun, Aug 16 - Sat, Aug 22
United Airlines Logo
7:55 am - 1:27 pm
SDF
-
HLN
7h 32m
1 stop
United Airlines Logo
7:00 am - 4:49 pm
HLN
-
SDF
7h 49m
2 stops
$533United Airlines
Sun, Aug 16 - Fri, Aug 21
United Airlines Logo
7:55 am - 1:27 pm
SDF
-
HLN
7h 32m
1 stop
United Airlines Logo
5:20 pm - 9:45 am
HLN
-
SDF
14h 25m
2 stops
$536United Airlines
Sun, Aug 16 - Mon, Aug 24
United Airlines Logo
7:55 am - 1:27 pm
SDF
-
HLN
7h 32m
1 stop
United Airlines Logo
7:00 am - 2:27 pm
HLN
-
SDF
5h 27m
1 stop
$549United Airlines
Booking Insights

KAYAK's insights & trends for Louisville to Helena flights

Get data-powered insights and trends into flights from Louisville to Helena to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Louisville to Helena?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Louisville to Helena were found on United Airlines ($459) and Delta ($469).

Find deals

Good to know

Cheapest flight$309
Flight from Louisville to Helena

When to book flights from Louisville to Helena

Are your dates flexible? Find out the best times to travel from Louisville to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Louisville to Helena

  • What is the cheapest flight from Louisville to Helena?

    In the last 3 days, the lowest price for a flight from Louisville to Helena was $309 for a one-way ticket and $459 for a round-trip.

  • Do I need a passport to fly between Louisville and Helena?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from Louisville to Helena?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Louisville to Helena?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Louisville to Helena.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Louisville to Helena?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from Louisville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Louisville to Helena?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to Louisville with another airline. Booking your flights between Louisville and HLN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Louisville to Helena?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from Louisville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Louisville to Helena

Information on your arrival and departure airports

Louisville (SDF)
Helena (HLN)