When did momondo last update prices for flights from Helena Airport to Louisville Intl Airport?

Prices for flights from Helena Airport to Louisville Intl Airport were last updated today.

How many operators does momondo search for flights from Helena Airport to Louisville Intl Airport?

The number of operators available for flights from Helena Airport to Louisville Intl Airport is 1 as of January 2026.

How old do you have to be to fly from Helena Airport to Louisville Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Louisville Intl Airport.

What documentation or ID do you need to fly to Louisville Intl Airport?

The necessary travel and health documents for your Louisville Intl 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.

$289 Cheap Flights from Helena to Louisville in 2026

1 adult

0 bags

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Find the cheapest flights from Helena to Louisville

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:25 pm - 10:39 pm

HLN

SDF

6h 14m

1 stop

9:00 am - 1:39 pm

SDF

HLN

6h 39m

1 stop

$289United Airlines

Fri, Apr 17 - Wed, Apr 22

2:25 pm - 10:39 pm

HLN

SDF

6h 14m

1 stop

9:55 am - 9:33 pm

SDF

HLN

13h 38m

2 stops

$294United Airlines

Fri, Apr 17 - Wed, Apr 22

6:15 am - 11:12 pm

HLN

SDF

14h 57m

2 stops

9:55 am - 9:33 pm

SDF

HLN

13h 38m

2 stops

$456United Airlines

Fri, Apr 17 - Wed, Apr 22

2:25 pm - 10:39 pm

HLN

SDF

6h 14m

1 stop

5:43 pm - 1:39 pm

SDF

HLN

21h 56m

2 stops

$666United Airlines

Sun, Mar 29 - Mon, Mar 30

2:25 pm - 10:39 pm

HLN

SDF

6h 14m

1 stop

3:36 pm - 9:33 pm

SDF

HLN

7h 57m

1 stop

$689United Airlines

Sun, Mar 29 - Mon, Mar 30

2:25 pm - 1:36 pm

HLN

SDF

21h 11m

2 stops

5:43 pm - 1:39 pm

SDF

HLN

21h 56m

2 stops

$850United Airlines

Sun, Mar 29 - Mon, Mar 30

United Airlines flights from Helena to Louisville

Our best United Airlines deals on Helena to Louisville flight tickets

United Airlines

Apr 17

HLN2:25 pmHelena

6h 14m

1 stop

SDF10:39 pmLouisville Intl

Apr 22

SDF9:00 amLouisville Intl

6h 39m

1 stop

HLN1:39 pmHelena

$289

United Airlines

Apr 17

HLN2:25 pmHelena

6h 14m

1 stop

SDF10:39 pmLouisville Intl

Apr 22

SDF9:55 amLouisville Intl

13h 38m

2 stops

HLN9:33 pmHelena

$294

United Airlines

Apr 17

HLN6:15 amHelena

14h 57m

2 stops

SDF11:12 pmLouisville Intl

Apr 22

SDF9:55 amLouisville Intl

13h 38m

2 stops

HLN9:33 pmHelena

$456

Fly from

Fly to

Route

Depart

Return

Price

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Fri 4/17

2:25 pm-10:39 pm

1 stop6h 14m

Louisville Intl

Wed 4/22

9:00 am-1:39 pm

1 stop6h 39m

$289

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Fri 4/17

2:25 pm-10:39 pm

1 stop6h 14m

Louisville Intl

Wed 4/22

9:55 am-9:33 pm

2 stops13h 38m

$294

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Fri 4/17

6:15 am-11:12 pm

2 stops14h 57m

Louisville Intl

Wed 4/22

9:55 am-9:33 pm

2 stops13h 38m

$456

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Sun 3/29

2:25 pm-10:39 pm

1 stop6h 14m

Louisville Intl

Mon 3/30

5:43 pm-1:39 pm

2 stops21h 56m

$666

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Sun 3/29

2:25 pm-10:39 pm

1 stop6h 14m

Louisville Intl

Mon 3/30

3:36 pm-9:33 pm

1 stop7h 57m

$689

HelenaLouisville

HLN - SDF

HLNSDF

Helena

Sun 3/29

2:25 pm-1:36 pm

2 stops21h 11m

Louisville Intl

Mon 3/30

5:43 pm-1:39 pm

2 stops21h 56m

$850

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Helena to Louisville

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 airlines fly to Louisville?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Louisville from Helena according to our data. United Airlines is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 3 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

When to book flights from Helena to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Louisville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Helena to Louisville (HLN to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Louisville

Fastest flight time	5h 57m
Direct flights	None

The fastest flight from Helena to Louisville takes 5h 57m

There are no direct flights from Helena to Louisville. There are no popular flight routes from Helena to Louisville.

Search flight deals

How far is Helena to Louisville Intl by plane?
A flight from Helena to Louisville Intl will travel around 1449.4 mi. In terms of flight time, this usually takes a little over 5h 57m.
When did momondo last update prices for flights from Helena Airport to Louisville Intl Airport?
Prices for flights from Helena Airport to Louisville Intl Airport were last updated today.
How many operators does momondo search for flights from Helena Airport to Louisville Intl Airport?
The number of operators available for flights from Helena Airport to Louisville Intl Airport is 1 as of January 2026.
How old do you have to be to fly from Helena Airport to Louisville Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Helena Airport to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The necessary travel and health documents for your Louisville Intl 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 Helena to Louisville?
Based on momondo bookings for flights between Helena and Louisville, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Helena to Louisville

Compare and see reviews for airlines that fly from Helena to Louisville with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $249	Free Cancellation	Rating 7.4 9,215 reviews		Search United Airlines flights

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Corydon

Elizabeth

Charlestown

Brandenburg

Springfield

Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Louisville?

Finding the right flight to Louisville from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Louisville quick and easy, saving you time and money.

Can I find flights from Helena to Louisville with flexible booking policies on momondo?

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

How can momondo help me find flights from Helena to Louisville?

momondo helps you find the best flight between Helena and Louisville by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Louisville from Helena are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.