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 August 2025.

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.

$298 Cheap Flights from Duluth to Louisville in 2025

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Find the cheapest flights from Duluth to Louisville

Round-trip

One-way

Cheap round-trip flights

9:45 am - 5:16 pmDLH-SDF

6h 31m1 stop

5:52 pm - 10:05 pmSDF-DLH

5h 13m1 stop

$318United Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

4:00 pm - 10:53 pmDLH-SDF

5h 53m1 stop

6:36 am - 11:08 amSDF-DLH

5h 32m1 stop

$428Delta

Find Deal

Tue, Dec 23 - Tue, Dec 30

4:00 pm - 10:53 pmDLH-SDF

5h 53m1 stop

6:36 am - 11:08 amSDF-DLH

5h 32m1 stop

$447Delta

Find Deal

Tue, Dec 23 - Tue, Dec 30

9:45 am - 5:16 pmDLH-SDF

6h 31m1 stop

2:20 pm - 10:45 amSDF-DLH

21h 25m2 stops

$502United Airlines

Find Deal

Thu, Aug 28 - Mon, Sep 1

4:00 pm - 10:53 pmDLH-SDF

5h 53m1 stop

7:40 am - 3:20 pmSDF-DLH

8h 40m2 stops

$523Delta

Find Deal

Tue, Dec 23 - Tue, Dec 30

11:55 am - 10:50 pmDLH-SDF

9h 55m2 stops

6:36 am - 11:08 amSDF-DLH

5h 32m1 stop

$524Delta

Find Deal

Tue, Dec 23 - Tue, Dec 30

4:00 pm - 10:53 pmDLH-SDF

5h 53m1 stop

6:36 am - 11:08 amSDF-DLH

5h 32m1 stop

$528Delta

Find Deal

Tue, Dec 23 - Mon, Dec 29

11:55 am - 10:50 pmDLH-SDF

9h 55m2 stops

6:36 am - 11:08 amSDF-DLH

5h 32m1 stop

$543Delta

Find Deal

Tue, Dec 23 - Tue, Dec 30

4:00 pm - 10:53 pmDLH-SDF

5h 53m1 stop

6:36 am - 11:08 amSDF-DLH

5h 32m1 stop

$557Delta

Find Deal

Tue, Dec 23 - Mon, Dec 29

11:55 am - 10:50 pmDLH-SDF

9h 55m2 stops

6:36 am - 11:08 amSDF-DLH

5h 32m1 stop

$563Delta

Find Deal

Mon, Dec 22 - Mon, Dec 29

Delta flights from Duluth to Louisville

Our best Delta deals on Duluth to Louisville flight tickets

Delta

Aug 23

DLH7:50 amDuluth Intl

6h 55m

1 stop

SDF3:45 pmLouisville Intl

Aug 26

SDF6:00 amLouisville Intl

5h 15m

1 stop

DLH10:15 amDuluth Intl

$273

Find similar

Delta

Aug 23

DLH7:50 amDuluth Intl

6h 55m

1 stop

SDF3:45 pmLouisville Intl

Aug 26

SDF7:34 pmLouisville Intl

4h 12m

1 stop

DLH10:46 pmDuluth Intl

$298

Find similar

Delta

Aug 23

DLH4:19 pmDuluth Intl

6h 37m

2 stops

SDF11:56 pmLouisville Intl

Aug 26

SDF6:00 amLouisville Intl

5h 15m

1 stop

DLH10:15 amDuluth Intl

$324

Find similar

United Airlines flights from Duluth to Louisville

Our best United Airlines deals on Duluth to Louisville flight tickets

United Airlines

Aug 28

DLH9:45 amDuluth Intl

6h 31m

1 stop

SDF5:16 pmLouisville Intl

Sep 1

SDF5:52 pmLouisville Intl

5h 13m

1 stop

DLH10:05 pmDuluth Intl

$318

Find similar

United Airlines

Aug 28

DLH9:45 amDuluth Intl

6h 31m

1 stop

SDF5:16 pmLouisville Intl

Sep 1

SDF2:20 pmLouisville Intl

21h 25m

2 stops

DLH10:45 amDuluth Intl

$502

Find similar

United Airlines

Dec 22

DLH7:53 amDuluth Intl

11h 21m

1 stop

SDF8:14 pmLouisville Intl

Dec 29

SDF9:00 amLouisville Intl

6h 33m

1 stop

DLH2:33 pmDuluth Intl

$581

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Thu 8/28

9:45 am-5:16 pm

1 stop6h 31m

Louisville Intl

Mon 9/1

5:52 pm-10:05 pm

1 stop5h 13m

$318

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 12/23

4:00 pm-10:53 pm

1 stop5h 53m

Louisville Intl

Tue 12/30

6:36 am-11:08 am

1 stop5h 32m

$428

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 12/23

4:00 pm-10:53 pm

1 stop5h 53m

Louisville Intl

Tue 12/30

6:36 am-11:08 am

1 stop5h 32m

$447

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Thu 8/28

9:45 am-5:16 pm

1 stop6h 31m

Louisville Intl

Mon 9/1

2:20 pm-10:45 am

2 stops21h 25m

$502

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 12/23

4:00 pm-10:53 pm

1 stop5h 53m

Louisville Intl

Tue 12/30

7:40 am-3:20 pm

2 stops8h 40m

$523

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 12/23

11:55 am-10:50 pm

2 stops9h 55m

Louisville Intl

Tue 12/30

6:36 am-11:08 am

1 stop5h 32m

$524

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 12/23

4:00 pm-10:53 pm

1 stop5h 53m

Louisville Intl

Mon 12/29

6:36 am-11:08 am

1 stop5h 32m

$528

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 12/23

11:55 am-10:50 pm

2 stops9h 55m

Louisville Intl

Tue 12/30

6:36 am-11:08 am

1 stop5h 32m

$543

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Tue 12/23

4:00 pm-10:53 pm

1 stop5h 53m

Louisville Intl

Mon 12/29

6:36 am-11:08 am

1 stop5h 32m

$557

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Mon 12/22

11:55 am-10:50 pm

2 stops9h 55m

Louisville Intl

Mon 12/29

6:36 am-11:08 am

1 stop5h 32m

$563

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

Best Price Found	$318
Fastest flight time	5h 53m
Direct flights	None
Airports in Louisville	1 airport

The best flight deal from Duluth to Louisville found on momondo in the last 72 hours is $318

The fastest flight from Duluth to Louisville takes 5h 53m

There are no direct flights from Duluth to Louisville. Popular non-direct route for this connection is Duluth Intl Airport - Louisville Intl Airport.

There is 1 airport near Louisville: Louisville Intl (SDF)

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 5h 53m, 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 August 2025.
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 8.0 7,980 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

Springfield

Brandenburg

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.