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Cheap flights from Duluth to Louisville from $278

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Duluth to Louisville departing on 5/8. 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

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Find the cheapest flights from Duluth to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:44 pm - 11:56 pm
DLH
-
SDF
4h 12m
1 stop
United Airlines Logo
7:56 pm - 12:42 am
SDF
-
DLH
5h 46m
1 stop
$278United Airlines
Fri, May 8 - Sun, May 10
United Airlines Logo
6:57 pm - 11:59 pm
DLH
-
SDF
4h 02m
1 stop
United Airlines Logo
5:00 am - 10:39 am
SDF
-
DLH
6h 39m
1 stop
$374United Airlines
Thu, Apr 23 - Mon, Apr 27
United Airlines Logo
6:44 pm - 2:47 pm
DLH
-
SDF
19h 03m
2 stops
United Airlines Logo
5:40 am - 10:34 am
SDF
-
DLH
5h 54m
1 stop
$478United Airlines
Fri, May 8 - Sun, May 10
United Airlines Logo
6:57 pm - 11:59 pm
DLH
-
SDF
4h 02m
1 stop
United Airlines Logo
5:00 am - 10:39 am
SDF
-
DLH
6h 39m
1 stop
$489United Airlines
Fri, Apr 10 - Sun, Apr 19
United Airlines Logo
6:57 pm - 11:59 pm
DLH
-
SDF
4h 02m
1 stop
United Airlines Logo
7:20 am - 10:39 am
SDF
-
DLH
4h 19m
1 stop
$496United Airlines
Fri, Apr 10 - Sun, Apr 19
United Airlines Logo
6:57 pm - 11:59 pm
DLH
-
SDF
4h 02m
1 stop
United Airlines Logo
5:00 am - 10:39 am
SDF
-
DLH
6h 39m
1 stop
$499United Airlines
Fri, Apr 10 - Sun, Apr 19
United Airlines Logo
6:57 pm - 11:59 pm
DLH
-
SDF
4h 02m
1 stop
United Airlines Logo
5:00 am - 10:39 am
SDF
-
DLH
6h 39m
1 stop
$516United Airlines
Fri, Apr 10 - Sun, Apr 19
United Airlines Logo
3:08 pm - 10:30 pm
DLH
-
SDF
6h 22m
1 stop
United Airlines Logo
6:02 pm - 10:04 pm
SDF
-
DLH
5h 02m
1 stop
$526United Airlines
Mon, Apr 27 - Thu, Apr 30
Delta Logo
5:00 am - 2:30 pm
DLH
-
SDF
8h 30m
2 stops
Delta Logo
6:04 am - 12:07 pm
SDF
-
DLH
7h 03m
1 stop
$532Delta
Mon, Apr 27 - Thu, Apr 30
United Airlines Logo
6:57 pm - 9:59 pm
DLH
-
SDF
26h 02m
2 stops
United Airlines Logo
5:00 am - 10:39 am
SDF
-
DLH
6h 39m
1 stop
$566United Airlines
Thu, Apr 23 - Mon, Apr 27

United Airlines flights from Duluth to Louisville

Our best United Airlines deals on Duluth to Louisville flight tickets
United Airlines
May 8
DLH6:44 pmDuluth Intl
4h 12m
1 stop
SDF11:56 pmLouisville Intl
May 10
SDF7:56 pmLouisville Intl
5h 46m
1 stop
DLH12:42 amDuluth Intl
$278
United Airlines
Apr 23
DLH6:57 pmDuluth Intl
4h 02m
1 stop
SDF11:59 pmLouisville Intl
Apr 27
SDF5:00 amLouisville Intl
6h 39m
1 stop
DLH10:39 amDuluth Intl
$374
United Airlines
May 8
DLH6:44 pmDuluth Intl
19h 03m
2 stops
SDF2:47 pmLouisville Intl
May 10
SDF5:40 amLouisville Intl
5h 54m
1 stop
DLH10:34 amDuluth Intl
$478

Delta flights from Duluth to Louisville

Our best Delta deals on Duluth to Louisville flight tickets
Delta
Apr 27
DLH5:00 amDuluth Intl
8h 30m
2 stops
SDF2:30 pmLouisville Intl
Apr 30
SDF6:04 amLouisville Intl
7h 03m
1 stop
DLH12:07 pmDuluth Intl
$532
Delta
Apr 27
DLH5:00 amDuluth Intl
8h 30m
2 stops
SDF2:30 pmLouisville Intl
Apr 30
SDF8:10 amLouisville Intl
8h 38m
2 stops
DLH3:48 pmDuluth Intl
$648
Delta
May 8
DLH4:30 pmDuluth Intl
6h 55m
2 stops
SDF12:25 amLouisville Intl
May 10
SDF2:34 pmLouisville Intl
9h 10m
2 stops
DLH10:44 pmDuluth Intl
$684

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 March 12, 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

Fri 5/8

6:44 pm-11:56 pm

1 stop4h 12m

Louisville Intl

Sun 5/10

7:56 pm-12:42 am

1 stop5h 46m

$278

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Thu 4/23

6:57 pm-11:59 pm

1 stop4h 02m

Louisville Intl

Mon 4/27

5:00 am-10:39 am

1 stop6h 39m

$374

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 5/8

6:44 pm-2:47 pm

2 stops19h 03m

Louisville Intl

Sun 5/10

5:40 am-10:34 am

1 stop5h 54m

$478

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

6:57 pm-11:59 pm

1 stop4h 02m

Louisville Intl

Sun 4/19

5:00 am-10:39 am

1 stop6h 39m

$489
Quickest round-trip

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

6:57 pm-11:59 pm

1 stop4h 02m

Louisville Intl

Sun 4/19

7:20 am-10:39 am

1 stop4h 19m

$496

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

6:57 pm-11:59 pm

1 stop4h 02m

Louisville Intl

Sun 4/19

5:00 am-10:39 am

1 stop6h 39m

$499

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Fri 4/10

6:57 pm-11:59 pm

1 stop4h 02m

Louisville Intl

Sun 4/19

5:00 am-10:39 am

1 stop6h 39m

$516

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Mon 4/27

3:08 pm-10:30 pm

1 stop6h 22m

Louisville Intl

Thu 4/30

6:02 pm-10:04 pm

1 stop5h 02m

$526

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Mon 4/27

5:00 am-2:30 pm

2 stops8h 30m

Louisville Intl

Thu 4/30

6:04 am-12:07 pm

1 stop7h 03m

$532

DuluthLouisville

DLH - SDF

DLHSDF

Duluth Intl

Thu 4/23

6:57 pm-9:59 pm

2 stops26h 02m

Louisville Intl

Mon 4/27

5:00 am-10:39 am

1 stop6h 39m

$566

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 02m

Direct flights

None
The fastest flight from Duluth to Louisville takes 4h 02m
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 02m, 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.

  • 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.

Traveling to a place near Louisville?

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