How do I get Price Alerts for flights from Duluth to Louisville?

Confirm your travel details to search for the latest offers for flights from Duluth to Louisville . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How can I save money on flights from Duluth to Louisville with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Prices for flights from Duluth Intl Airport to Louisville Intl Airport refresh daily.

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

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

How old do you have to be to fly from Duluth Intl Airport to Louisville Intl 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 Duluth Intl Airport to Louisville Intl Airport.

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

The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$304 Cheap Flights from Duluth to Louisville in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Duluth to Louisville

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:56 am - 9:19 pm

DLH

SDF

8h 23m

2 stops

6:23 am - 11:11 am

SDF

DLH

5h 48m

1 stop

$304Delta

Wed, Feb 4 - Sun, Feb 8

5:00 am - 11:51 am

DLH

SDF

5h 51m

1 stop

6:15 am - 12:06 pm

SDF

DLH

6h 51m

1 stop

$328Delta

Fri, Apr 10 - Sun, Apr 19

5:00 am - 11:51 am

DLH

SDF

5h 51m

1 stop

3:09 pm - 10:46 pm

SDF

DLH

8h 37m

2 stops

$334Delta

Fri, Apr 10 - Sun, Apr 19

4:24 pm - 11:06 pm

DLH

SDF

5h 42m

1 stop

6:23 am - 11:11 am

SDF

DLH

5h 48m

1 stop

$343Delta

Wed, Feb 4 - Sun, Feb 8

3:05 pm - 8:28 pm

DLH

SDF

4h 23m

1 stop

6:12 pm - 9:59 pm

SDF

DLH

4h 47m

1 stop

$383United Airlines

Sat, Jan 31 - Tue, Feb 3

3:05 pm - 8:28 pm

DLH

SDF

4h 23m

1 stop

8:29 am - 2:30 pm

SDF

DLH

7h 01m

1 stop

$398United Airlines

Sat, Jan 31 - Tue, Feb 3

3:05 pm - 8:28 pm

DLH

SDF

4h 23m

1 stop

8:29 am - 2:30 pm

SDF

DLH

7h 01m

1 stop

$444United Airlines

Sat, Jan 31 - Tue, Feb 3

5:00 am - 11:51 am

DLH

SDF

5h 51m

1 stop

6:15 am - 12:06 pm

SDF

DLH

6h 51m

1 stop

$448Delta

Fri, Apr 10 - Sun, Apr 19

5:00 am - 11:51 am

DLH

SDF

5h 51m

1 stop

3:09 pm - 10:46 pm

SDF

DLH

8h 37m

2 stops

$454Delta

Fri, Apr 10 - Sun, Apr 19

5:00 am - 11:51 am

DLH

SDF

5h 51m

1 stop

6:15 am - 12:06 pm

SDF

DLH

6h 51m

1 stop

$478Delta

Fri, Apr 10 - Sun, Apr 19

Delta flights from Duluth to Louisville

Our best Delta deals on Duluth to Louisville flight tickets

Delta

Feb 4

DLH11:56 amDuluth Intl

8h 23m

2 stops

SDF9:19 pmLouisville Intl

Feb 8

SDF6:23 amLouisville Intl

5h 48m

1 stop

DLH11:11 amDuluth Intl

$304

Delta

Apr 10

DLH5:00 amDuluth Intl

5h 51m

1 stop

SDF11:51 amLouisville Intl

Apr 19

SDF6:15 amLouisville Intl

6h 51m

1 stop

DLH12:06 pmDuluth Intl

$328

Delta

Apr 10

DLH5:00 amDuluth Intl

5h 51m

1 stop

SDF11:51 amLouisville Intl

Apr 19

SDF3:09 pmLouisville Intl

8h 37m

2 stops

DLH10:46 pmDuluth Intl

$334

United Airlines flights from Duluth to Louisville

Our best United Airlines deals on Duluth to Louisville flight tickets

United Airlines

Jan 31

DLH3:05 pmDuluth Intl

4h 23m

1 stop

SDF8:28 pmLouisville Intl

Feb 3

SDF6:12 pmLouisville Intl

4h 47m

1 stop

DLH9:59 pmDuluth Intl

$383

United Airlines

Jan 31

DLH3:05 pmDuluth Intl

4h 23m

1 stop

SDF8:28 pmLouisville Intl

Feb 3

SDF8:29 amLouisville Intl

7h 01m

1 stop

DLH2:30 pmDuluth Intl

$398

United Airlines

Jan 31

DLH3:05 pmDuluth Intl

4h 23m

1 stop

SDF8:28 pmLouisville Intl

Feb 3

SDF8:29 amLouisville Intl

7h 01m

1 stop

DLH2:30 pmDuluth Intl

$444

Fly from

Fly to

Route

Depart

Return

Price

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Wed 2/4

11:56 am-9:19 pm

2 stops8h 23m

Louisville Intl

Sun 2/8

6:23 am-11:11 am

1 stop5h 48m

$304

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

5:00 am-11:51 am

1 stop5h 51m

Louisville Intl

Sun 4/19

6:15 am-12:06 pm

1 stop6h 51m

$328

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

5:00 am-11:51 am

1 stop5h 51m

Louisville Intl

Sun 4/19

3:09 pm-10:46 pm

2 stops8h 37m

$334

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Wed 2/4

4:24 pm-11:06 pm

1 stop5h 42m

Louisville Intl

Sun 2/8

6:23 am-11:11 am

1 stop5h 48m

$343

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sat 1/31

3:05 pm-8:28 pm

1 stop4h 23m

Louisville Intl

Tue 2/3

6:12 pm-9:59 pm

1 stop4h 47m

$383

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sat 1/31

3:05 pm-8:28 pm

1 stop4h 23m

Louisville Intl

Tue 2/3

8:29 am-2:30 pm

1 stop7h 01m

$398

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sat 1/31

3:05 pm-8:28 pm

1 stop4h 23m

Louisville Intl

Tue 2/3

8:29 am-2:30 pm

1 stop7h 01m

$444

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

5:00 am-11:51 am

1 stop5h 51m

Louisville Intl

Sun 4/19

6:15 am-12:06 pm

1 stop6h 51m

$448

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

5:00 am-11:51 am

1 stop5h 51m

Louisville Intl

Sun 4/19

3:09 pm-10:46 pm

2 stops8h 37m

$454

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

5:00 am-11:51 am

1 stop5h 51m

Louisville Intl

Sun 4/19

6:15 am-12:06 pm

1 stop6h 51m

$478

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Duluth to Louisville

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

Estimated round-trip price

Cheap Duluth to Louisville (DLH to SDF) flight deals and tips

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

Fastest flight time	4h 23m
Direct flights	None

The fastest flight from Duluth to Louisville takes 4h 23m

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

Search flight deals

How far is Duluth Intl to Louisville Intl by plane?
The straight-line distance from Duluth Intl to Louisville Intl is 671.6 mi. Flights usually cover this in 4h 23m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Duluth Intl Airport to Louisville Intl Airport?
Prices for flights from Duluth Intl Airport to Louisville Intl Airport refresh daily.
How many operators does momondo search for flights from Duluth Intl Airport to Louisville Intl Airport?
The number of operators available for flights from Duluth Intl Airport to Louisville Intl Airport is 1 as of January 2026.
How old do you have to be to fly from Duluth Intl Airport to Louisville Intl 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 Duluth Intl Airport to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Duluth to Louisville?
Based on momondo bookings for flights between Duluth and Louisville, the leading airline is Delta, making up 100% of the total bookings.

Best airlines flying from Duluth to Louisville

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $238	Free Cancellation	Rating 7.9 8,088 reviews		Search Delta flights

How do I get Price Alerts for flights from Duluth to Louisville?
Confirm your travel details to search for the latest offers for flights from Duluth to Louisville. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Duluth to Louisville with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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 Duluth to Louisville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from Duluth.

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

All flight searches from Duluth to Louisville on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Duluth 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 Duluth to Louisville right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Duluth to Louisville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Louisville and let you know when they change.