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Cheap flights from Duluth to Louisville from $273

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 6/20. 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
0 bags

Find the cheapest flights from Duluth to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:15 am - 11:59 am
DLH
-
SDF
5h 44m
1 stop
Delta Logo
6:05 am - 12:04 pm
SDF
-
DLH
6h 59m
1 stop
$358Delta
mié., may. 13 - dom., may. 17
United Airlines Logo
5:00 am - 1:01 pm
DLH
-
SDF
7h 01m
1 stop
United Airlines Logo
7:22 am - 10:30 am
SDF
-
DLH
4h 08m
1 stop
$393United Airlines
sáb., ago. 22 - mar., ago. 25
Delta Logo
12:46 pm - 7:08 pm
DLH
-
SDF
5h 22m
1 stop
Delta Logo
6:00 am - 12:04 pm
SDF
-
DLH
7h 04m
2 stops
$408Delta
mié., may. 13 - dom., may. 17
United Airlines Logo
6:15 pm - 12:05 am
DLH
-
SDF
4h 50m
1 stop
United Airlines Logo
5:35 am - 10:30 am
SDF
-
DLH
5h 55m
1 stop
$423United Airlines
sáb., ago. 22 - mar., ago. 25
United Airlines Logo
6:04 am - 1:22 pm
DLH
-
SDF
6h 18m
1 stop
United Airlines Logo
7:15 am - 10:34 am
SDF
-
DLH
4h 19m
1 stop
$468United Airlines
mar., may. 12 - sáb., may. 16
United Airlines Logo
5:00 am - 1:01 pm
DLH
-
SDF
7h 01m
1 stop
United Airlines Logo
6:00 am - 5:32 pm
SDF
-
DLH
12h 32m
2 stops
$537United Airlines
sáb., ago. 22 - mar., ago. 25
United Airlines Logo
5:00 am - 7:19 pm
DLH
-
SDF
13h 19m
2 stops
United Airlines Logo
5:35 am - 10:30 am
SDF
-
DLH
5h 55m
1 stop
$543United Airlines
sáb., ago. 22 - mar., ago. 25
Delta Logo
5:15 am - 1:51 pm
DLH
-
SDF
7h 36m
2 stops
Delta Logo
6:00 am - 12:04 pm
SDF
-
DLH
7h 04m
2 stops
$553Delta
mié., may. 13 - dom., may. 17
Delta Logo
12:00 pm - 6:43 pm
DLH
-
SDF
5h 43m
1 stop
Delta Logo
10:15 am - 3:19 pm
SDF
-
DLH
6h 04m
2 stops
$581Delta
lun., ago. 10 - jue., ago. 13
Delta Logo
5:10 am - 1:38 pm
DLH
-
SDF
7h 28m
2 stops
Delta Logo
10:15 am - 3:19 pm
SDF
-
DLH
6h 04m
2 stops
$586Delta
lun., ago. 10 - jue., ago. 13

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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 22
DLH5:00 amDuluth Intl
7h 01m
1 stop
SDF1:01 pmLouisville Intl
Aug 25
SDF7:22 amLouisville Intl
4h 08m
1 stop
DLH10:30 amDuluth Intl
$393
United Airlines
Aug 22
DLH6:15 pmDuluth Intl
4h 50m
1 stop
SDF12:05 amLouisville Intl
Aug 25
SDF5:35 amLouisville Intl
5h 55m
1 stop
DLH10:30 amDuluth Intl
$423
United Airlines
May 12
DLH6:04 amDuluth Intl
6h 18m
1 stop
SDF1:22 pmLouisville Intl
May 16
SDF7:15 amLouisville Intl
4h 19m
1 stop
DLH10:34 amDuluth Intl
$468

Delta flights from Duluth to Louisville

Our best Delta deals on Duluth to Louisville flight tickets
Delta
May 13
DLH5:15 amDuluth Intl
5h 44m
1 stop
SDF11:59 amLouisville Intl
May 17
SDF6:05 amLouisville Intl
6h 59m
1 stop
DLH12:04 pmDuluth Intl
$358
Delta
May 13
DLH12:46 pmDuluth Intl
5h 22m
1 stop
SDF7:08 pmLouisville Intl
May 17
SDF6:00 amLouisville Intl
7h 04m
2 stops
DLH12:04 pmDuluth Intl
$408
Delta
May 13
DLH5:15 amDuluth Intl
7h 36m
2 stops
SDF1:51 pmLouisville Intl
May 17
SDF6:00 amLouisville Intl
7h 04m
2 stops
DLH12:04 pmDuluth Intl
$553

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 abril 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

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

mié. 5/13

5:15 am-11:59 am

1 stop5h 44m

Louisville Intl

dom. 5/17

6:05 am-12:04 pm

1 stop6h 59m

$358

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

sáb. 8/22

5:00 am-1:01 pm

1 stop7h 01m

Louisville Intl

mar. 8/25

7:22 am-10:30 am

1 stop4h 08m

$393

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

mié. 5/13

12:46 pm-7:08 pm

1 stop5h 22m

Louisville Intl

dom. 5/17

6:00 am-12:04 pm

2 stops7h 04m

$408

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

sáb. 8/22

6:15 pm-12:05 am

1 stop4h 50m

Louisville Intl

mar. 8/25

5:35 am-10:30 am

1 stop5h 55m

$423
Quickest round-trip

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

mar. 5/12

6:04 am-1:22 pm

1 stop6h 18m

Louisville Intl

sáb. 5/16

7:15 am-10:34 am

1 stop4h 19m

$468

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

sáb. 8/22

5:00 am-1:01 pm

1 stop7h 01m

Louisville Intl

mar. 8/25

6:00 am-5:32 pm

2 stops12h 32m

$537

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

sáb. 8/22

5:00 am-7:19 pm

2 stops13h 19m

Louisville Intl

mar. 8/25

5:35 am-10:30 am

1 stop5h 55m

$543

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

mié. 5/13

5:15 am-1:51 pm

2 stops7h 36m

Louisville Intl

dom. 5/17

6:00 am-12:04 pm

2 stops7h 04m

$553

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

lun. 8/10

12:00 pm-6:43 pm

1 stop5h 43m

Louisville Intl

jue. 8/13

10:15 am-3:19 pm

2 stops6h 04m

$581

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

lun. 8/10

5:10 am-1:38 pm

2 stops7h 28m

Louisville Intl

jue. 8/13

10:15 am-3:19 pm

2 stops6h 04m

$586

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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?

Delta 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

5h 44m

Direct flights

None
The fastest flight from Duluth to Louisville takes 5h 44m
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 5h 44m, 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
West Baden Springs
Jeffersonville
Bardstown
New Albany
Shepherdsville
Brandenburg
Corydon
Elizabeth
Charlestown
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.

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