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

Search flight deals from Louisville to Duluth . While viewing offers you’ll have the option to create a Price Alert.

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

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

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 Louisville Intl Airport to Duluth Intl Airport?

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

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

As of February 2026, there is 1 operator available to choose from for flights from Louisville Intl Airport to Duluth Intl Airport.

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

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

The necessary travel and health documents for your Duluth 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.

$328 Cheap Flights from Louisville to Duluth in 2026

1 adult

0 bags

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Find the cheapest flights from Louisville to Duluth

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:07 am - 2:27 pm

SDF

DLH

6h 20m

1 stop

3:08 pm - 10:30 pm

DLH

SDF

6h 22m

1 stop

$328United Airlines

Sat, Apr 18 - Wed, Apr 22

2:30 pm - 10:29 am

SDF

DLH

20h 59m

2 stops

3:08 pm - 8:16 pm

DLH

SDF

4h 08m

1 stop

$448United Airlines

Sat, Apr 18 - Wed, Apr 22

5:35 am - 10:43 am

SDF

DLH

6h 08m

1 stop

3:19 pm - 5:19 pm

DLH

SDF

25h 00m

1 stop

$524United Airlines

Mon, Feb 23 - Fri, Feb 27

5:35 am - 10:43 am

SDF

DLH

6h 08m

1 stop

3:19 pm - 7:42 pm

DLH

SDF

27h 23m

2 stops

$552United Airlines

Mon, Feb 23 - Fri, Feb 27

6:23 am - 11:30 am

SDF

DLH

6h 07m

1 stop

4:15 pm - 11:05 pm

DLH

SDF

5h 50m

1 stop

$553Delta

Fri, Feb 20 - Sun, Feb 22

6:23 am - 11:30 am

SDF

DLH

6h 07m

1 stop

12:15 pm - 11:58 pm

DLH

SDF

10h 43m

2 stops

$642Delta

Fri, Feb 20 - Sun, Feb 22

7:50 am - 3:31 pm

SDF

DLH

8h 41m

2 stops

8:00 am - 5:51 pm

DLH

SDF

8h 51m

2 stops

$794Delta

Mon, Feb 23 - Fri, Feb 27

10:46 am - 3:31 pm

SDF

DLH

5h 45m

2 stops

12:15 pm - 11:58 pm

DLH

SDF

10h 43m

2 stops

$842Delta

Fri, Feb 20 - Sun, Feb 22

Delta flights from Louisville to Duluth

Our best Delta deals on Louisville to Duluth flight tickets

Delta

Feb 20

SDF6:23 amLouisville Intl

6h 07m

1 stop

DLH11:30 amDuluth Intl

Feb 22

DLH4:15 pmDuluth Intl

5h 50m

1 stop

SDF11:05 pmLouisville Intl

$553

Delta

Feb 20

SDF6:23 amLouisville Intl

6h 07m

1 stop

DLH11:30 amDuluth Intl

Feb 22

DLH12:15 pmDuluth Intl

10h 43m

2 stops

SDF11:58 pmLouisville Intl

$642

Delta

Feb 23

SDF7:50 amLouisville Intl

8h 41m

2 stops

DLH3:31 pmDuluth Intl

Feb 27

DLH8:00 amDuluth Intl

8h 51m

2 stops

SDF5:51 pmLouisville Intl

$794

United Airlines flights from Louisville to Duluth

Our best United Airlines deals on Louisville to Duluth flight tickets

United Airlines

Apr 18

SDF9:07 amLouisville Intl

6h 20m

1 stop

DLH2:27 pmDuluth Intl

Apr 22

DLH3:08 pmDuluth Intl

6h 22m

1 stop

SDF10:30 pmLouisville Intl

$328

United Airlines

Apr 18

SDF2:30 pmLouisville Intl

20h 59m

2 stops

DLH10:29 amDuluth Intl

Apr 22

DLH3:08 pmDuluth Intl

4h 08m

1 stop

SDF8:16 pmLouisville Intl

$448

United Airlines

Feb 23

SDF5:35 amLouisville Intl

6h 08m

1 stop

DLH10:43 amDuluth Intl

Feb 27

DLH3:19 pmDuluth Intl

25h 00m

1 stop

SDF5:19 pmLouisville Intl

$524

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Sat 4/18

9:07 am-2:27 pm

1 stop6h 20m

Duluth Intl

Wed 4/22

3:08 pm-10:30 pm

1 stop6h 22m

$328

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Sat 4/18

2:30 pm-10:29 am

2 stops20h 59m

Duluth Intl

Wed 4/22

3:08 pm-8:16 pm

1 stop4h 08m

$448

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Mon 2/23

5:35 am-10:43 am

1 stop6h 08m

Duluth Intl

Fri 2/27

3:19 pm-5:19 pm

1 stop25h 00m

$524

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Mon 2/23

5:35 am-10:43 am

1 stop6h 08m

Duluth Intl

Fri 2/27

3:19 pm-7:42 pm

2 stops27h 23m

$552

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Fri 2/20

6:23 am-11:30 am

1 stop6h 07m

Duluth Intl

Sun 2/22

4:15 pm-11:05 pm

1 stop5h 50m

$553

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Fri 2/20

6:23 am-11:30 am

1 stop6h 07m

Duluth Intl

Sun 2/22

12:15 pm-11:58 pm

2 stops10h 43m

$642

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Mon 2/23

7:50 am-3:31 pm

2 stops8h 41m

Duluth Intl

Fri 2/27

8:00 am-5:51 pm

2 stops8h 51m

$794

LouisvilleDuluth

SDF - DLH

SDFDLH

Louisville Intl

Fri 2/20

10:46 am-3:31 pm

2 stops5h 45m

Duluth Intl

Sun 2/22

12:15 pm-11:58 pm

2 stops10h 43m

$842

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Louisville to Duluth

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

Estimated round-trip price

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

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

Fastest flight time	6h 07m
Direct flights	None

The fastest flight from Louisville to Duluth takes 6h 07m

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

Search flight deals

How far is Louisville Intl to Duluth Intl by plane?
The distance between Louisville Intl and Duluth Intl is about 671.6 mi. By plane, this route typically takes 6h 07m.
When did momondo last update prices for flights from Louisville Intl Airport to Duluth Intl Airport?
Prices for flights from Louisville Intl Airport to Duluth Intl Airport were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to Duluth Intl Airport?
As of February 2026, there is 1 operator available to choose from for flights from Louisville Intl Airport to Duluth Intl Airport.
How old do you have to be to fly from Louisville Intl Airport to Duluth 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 Louisville Intl Airport to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The necessary travel and health documents for your Duluth 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 Louisville to Duluth?
Based on momondo bookings for flights between Louisville and Duluth, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Louisville to Duluth

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $243	Free Cancellation	Rating 7.4 9,257 reviews		Search United Airlines flights

How do I get Price Alerts for flights from Louisville to Duluth?
Search flight deals from Louisville to Duluth. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Louisville to Duluth with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
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.

Two Harbors

Hayward

Superior

Cloquet

Why use momondo?

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

Finding the right flight to Duluth from Louisville 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 Duluth quick and easy, saving you time and money.

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

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

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

Once you have performed a search for Louisville to Duluth flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Duluth from Louisville. 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.

An easier way to manage your Duluth trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult

Wed 3/11

Wed 3/18

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Find better results for your trip to the United States

Nearby airports

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Airports servicing Minnesota

Bemidji Beltrami County Airport

Brainerd Crow Wing County Airport

Chisholm/Hibbing Airport

Falls Intl Airport

Minneapolis St Paul Airport

Rochester Airport

Saint Cloud Airport

Thief River Falls Airport

Cheap flights from Louisville to Duluth from $328

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Duluth departing on 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Louisville to Duluth

Cheap round-trip flights

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Delta flights from Louisville to Duluth

Our best Delta deals on Louisville to Duluth flight tickets

United Airlines flights from Louisville to Duluth

Our best United Airlines deals on Louisville to Duluth flight tickets

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Use the filters below to find and compare flights from Louisville to Duluth that are best for you.

When to book flights from Louisville to Duluth

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

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

Fastest flight time

Direct flights

How far is Louisville Intl to Duluth Intl by plane?

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

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

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

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

What is the most popular airline from Louisville to Duluth?

Best airlines flying from Louisville to Duluth

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

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

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

How does momondo find its flight prices?

Traveling to a place near Duluth?

Why use momondo?

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

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

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

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

An easier way to manage your Duluth trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Minnesota

Fly your favorite airline to Duluth

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Duluth

List of cabin classes available on flights landing in Duluth. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Louisville

According to popular flight searches on momondo this year

Complete your trip to Duluth

Explore popular destinations other users love

According to popular flight searches on momondo this year