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Cheap flights from Duluth to Louisville from $278

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Louisville departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Duluth to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:23 pm - 11:59 pm
DLH
-
SDF
4h 36m
1 stop
United Airlines Logo
5:45 pm - 11:22 pm
SDF
-
DLH
6h 37m
1 stop
$388United Airlines
Sa, Aug 29 - Di, Sep 1
United Airlines Logo
6:23 pm - 11:59 pm
DLH
-
SDF
4h 36m
1 stop
United Airlines Logo
5:45 pm - 11:22 pm
SDF
-
DLH
6h 37m
1 stop
$408United Airlines
Sa, Aug 29 - Di, Sep 1
United Airlines Logo
6:23 pm - 11:59 pm
DLH
-
SDF
4h 36m
1 stop
United Airlines Logo
1:56 pm - 10:42 am
SDF
-
DLH
21h 46m
2 stops
$504United Airlines
Sa, Aug 29 - Di, Sep 1
United Airlines Logo
6:23 pm - 11:59 pm
DLH
-
SDF
4h 36m
1 stop
United Airlines Logo
1:56 pm - 10:42 am
SDF
-
DLH
21h 46m
2 stops
$527United Airlines
Sa, Aug 29 - Di, Sep 1
United Airlines Logo
6:23 pm - 8:36 pm
DLH
-
SDF
25h 13m
1 stop
United Airlines Logo
5:15 am - 5:34 pm
SDF
-
DLH
13h 19m
1 stop
$604United Airlines
Sa, Aug 29 - Di, Sep 1
United Airlines Logo
6:23 pm - 4:36 pm
DLH
-
SDF
21h 13m
1 stop
United Airlines Logo
10:05 am - 10:42 am
SDF
-
DLH
25h 37m
2 stops
$627United Airlines
Sa, Aug 29 - Di, Sep 1

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United Airlines flights from Duluth to Louisville

Our best United Airlines deals on Duluth to Louisville flight tickets
United Airlines
Aug 29
DLH6:23 pmDuluth Intl
4h 36m
1 stop
SDF11:59 pmLouisville Intl
Sep 1
SDF5:45 pmLouisville Intl
6h 37m
1 stop
DLH11:22 pmDuluth Intl
$388
United Airlines
Aug 29
DLH6:23 pmDuluth Intl
4h 36m
1 stop
SDF11:59 pmLouisville Intl
Sep 1
SDF5:45 pmLouisville Intl
6h 37m
1 stop
DLH11:22 pmDuluth Intl
$408
United Airlines
Aug 8
DLH7:03 amDuluth Intl
5h 32m
1 stop
SDF1:35 pmLouisville Intl
Aug 21
SDF5:45 pmLouisville Intl
6h 37m
1 stop
DLH11:22 pmDuluth Intl
$446

momondo Fare Finder

 
Customize your flight search to find flights from Duluth to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated Juli 30, 2026.
Use the filters below to find and compare flights from Duluth to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sa 8/29

6:23 pm-11:59 pm

1 stop4h 36m

Louisville Intl

Di 9/1

5:45 pm-11:22 pm

1 stop6h 37m

$388

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sa 8/29

6:23 pm-11:59 pm

1 stop4h 36m

Louisville Intl

Di 9/1

5:45 pm-11:22 pm

1 stop6h 37m

$408

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sa 8/29

6:23 pm-11:59 pm

1 stop4h 36m

Louisville Intl

Di 9/1

1:56 pm-10:42 am

2 stops21h 46m

$504

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sa 8/29

6:23 pm-11:59 pm

1 stop4h 36m

Louisville Intl

Di 9/1

1:56 pm-10:42 am

2 stops21h 46m

$527

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sa 8/29

6:23 pm-8:36 pm

1 stop25h 13m

Louisville Intl

Di 9/1

5:15 am-5:34 pm

1 stop13h 19m

$604

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Sa 8/29

6:23 pm-4:36 pm

1 stop21h 13m

Louisville Intl

Di 9/1

10:05 am-10:42 am

2 stops25h 37m

$627
Cheapest one-way

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Di 10/6

11:18 am-7:11 pm

1 stop6h 53m

$278
Quickest one-way

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

So 8/9

6:25 pm-11:59 pm

1 stop4h 34m

$428

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Di 10/6

6:00 am-7:55 pm

2 stops12h 55m

$470

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

So 8/9

6:25 pm-7:18 pm

2 stops23h 53m

$715

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Louisville from

How to get the cheapest flight ticket from Duluth 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 is the cheapest airline that flies from Duluth Intl to Louisville Intl?

United Airlines is the most popular carrier operating from Duluth Intl to Louisville Intl

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

25h 13m

Direct flights

None
The fastest flight from Duluth to Louisville takes 25h 13m
There are no direct flights from Duluth to Louisville. There are no popular flight routes from Duluth to Louisville.
Search flight deals

Frequently asked questions about flying from Duluth to Louisville

  • 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 25h 13m, 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 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.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
New Albany
Shepherdsville
Elizabeth
Corydon
Charlestown
Brandenburg
Georgetown
Springfield

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.

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1 adult
Sa 8/29
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