SDF - DLH

$268 Find Cheap Flights from Louisville to Duluth - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$388
Typical prices: $428-$495
United Airlines
Fri 1/26Tue 1/30
SDF - DLH • 1 stop
Cheapest one-way
$268
Typical prices: $403-$403
United Airlines
Wed 11/21
SDF - DLH • 1 stop
When to travel
May
Cheapest • 36% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $479 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 4h 56m (one-way)
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Cheap Flights from Louisville to Duluth (SDF-DLH)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to Duluth

Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
5:57 pm - 11:28 pmSDF  Louisville Intl-DLH Duluth Intl
6h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
5:50 am - 1:20 pmDLH  Duluth Intl-SDF Louisville Intl
6h 30m1 stop Chicago O'Hare Intl
$388United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
11:00 am - 2:33 pmSDF  Louisville Intl-DLH Duluth Intl
4h 33m1 stop Chicago O'Hare Intl
United Airlines Logo
3:14 pm - 8:14 pmDLH  Duluth Intl-SDF Louisville Intl
4h 00m1 stop Chicago O'Hare Intl
$433United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
8:55 am - 2:24 pmSDF  Louisville Intl-DLH Duluth Intl
6h 29m1 stop Chicago O'Hare Intl
United Airlines Logo
2:59 pm - 8:32 pmDLH  Duluth Intl-SDF Louisville Intl
4h 33m1 stop Chicago O'Hare Intl
$433United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
5:57 pm - 11:28 pmSDF  Louisville Intl-DLH Duluth Intl
6h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
5:50 am - 9:30 pmDLH  Duluth Intl-SDF Louisville Intl
14h 40m3 stops Chicago O'Hare Intl Fayetteville Northwest Arkansas Houston George Bush Intcntl
$558United Airlines
Tue, Jan 26 - Sat, Jan 30
United Airlines Logo
5:57 pm - 11:28 pmSDF  Louisville Intl-DLH Duluth Intl
6h 31m1 stop Chicago O'Hare Intl
United Airlines Logo
5:50 am - 11:19 pmDLH  Duluth Intl-SDF Louisville Intl
16h 29m2 stops Chicago O'Hare Intl Newark
$558United Airlines
Booking Insights

Price, demand and travel trends for Louisville to Duluth flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Louisville to Duluth with more confidence.

How much is a round-trip flight from Louisville to Duluth?

Round-trip flights from Louisville to Duluth start at $388. Prices are below average for this route right now, with typical round-trip fares ranging from $428 to $495. The lowest price found in the past 5 days was $388 on United Airlines.

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Key details for Louisville to Duluth flights

Low season

August

Cheapest flight

$268
Flight from Louisville to Duluth

When to book flights from Louisville to Duluth

Are your dates flexible? Find out the best times to travel from Louisville to Duluth based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Louisville to Duluth flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Louisville to Duluth?

    Flights from Louisville to Duluth usually depart from Louisville Intl (SDF) and arrive at Duluth Intl (DLH).

  • What cabin classes can I book on flights from Louisville to Duluth?

    Only Economy Class is available on flights from Louisville to Duluth.

  • Which airports do connecting flights from Louisville to Duluth pass through?

    Connecting flights from Louisville to Duluth most commonly pass through:

    • Chicago O'Hare Intl (ORD) - 67% of one-stop connections
    • Minneapolis St Paul (MSP) - 33% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Louisville to Duluth?

    Yes. Being flexible with your travel dates can save you up to 37% on the Louisville to Duluth route. Tuesday is the cheapest departure day at $388 round-trip on average, while Friday is the most expensive at $608, a difference of $220. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Louisville to Duluth?

    There are currently no nonstop flights available from Louisville to Duluth. Flights with 1 layover take between 4h 56m and 5h 56m in total, depending on the connection.

  • Do I need a passport to fly from Louisville to Duluth?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Louisville to Duluth changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $388 to $1,179. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Louisville to Duluth looking right now?

    One-way fares from Louisville to Duluth are currently lower than usual. Average one-way flight prices are about $326, which is 20% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Louisville to Duluth?

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 4h 56m, compared with 5h 56m via Minneapolis St Paul (MSP).

  • What is the time difference between Louisville and Duluth?

    Duluth is 1 hour behind Louisville (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Duluth Intl Airport (DLH)?

    Duluth Intl Airport (DLH) hosts 5 major car rental companies, with daily rates starting from around $26 for economy cars. Top options include:
    · Avis
    · Alamo
    · Budget
    · Enterprise Rent-A-Car
    · National

  • How much should I expect to pay for a Louisville to Duluth flight?

    Round-trip flights from Louisville to Duluth range from $428 to $495, with an average of $492 over the past 12 months. Anything below $428 counts as a good deal.

Your guide to booking Louisville to Duluth flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average $388 - about $220 less than Friday (36% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Louisville to Duluth trip for May. Fares historically average $313 round-trip in that month - typically $295 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Duluth Intl Airport.
    - Country Inn & Suites by Radisson, Duluth North, MN

Everything you need to know for your flight from Louisville to Duluth

Information on your arrival and departure airports

Louisville (SDF)
Duluth (DLH)