The cheapest times to fly from SDF to DLH are
- August 13th to September 30th (except the week of August 27th)
- October 15th to March 4th (except the week of November 19th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SDF to DLH is early December. Prices can be as high as $594 for Sunday flights during late March, or as low as $241 for Tuesday flights around early December.
When to Fly to Duluth
Flying from Louisville, KY (SDF) to Duluth, MN (DLH) will usually cost between $251 to $473 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $277. Due to high demand the most expensive time to fly is late March, with an average price of $440. Planning your trip to low-cost times can easily save you $164 on economy flights and even more on first-class flights. Generally, any price below $338 can be considered a good price for a round-trip SDF to DLH flight.
See below for a graph of average weekly prices for the SDF to DLH route. All prices are for round-trip tickets in USD.
Compared to other flights, the SDF to DLH flight is much cheaper than the average and costs much less than the average flight leaving from Louisville. The average price per mile (for a direct flight) is $0.31, which is in the normal range for a flight.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $116 (28%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $294. Return trip prices are from the DLH to SDF flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SDF to DLH can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 13 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SDF to DLH while comparing.
- 144 miles (232 km) away from DLH
- Usually 16.00% less expensive than DLH
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from SDF to DLH? We’ve got answers.
Which airlines fly this route?
You can find 3 major airlines flying this route most often: American, Delta, United, and potentially more during busy seasons.
How far away is it from Duluth International Airport to Louisville International-Standiford Field Airport?
The distance between the two airports is roughly 683 miles or 1099 kilometers.
How long does it take to fly from SDF to DLH?
The real-world flight time for a nonstop SDF to DLH flight is about 2 hour 13 minutes.
How many flights go between Louisville, KY and Duluth, MN?
It depends on the day of the week and the date, but a typical day might have around 21 available flights from SDF to DLH.
Airport Location Info
|Origination airport name||Louisville International-Standiford Field Airport|
|Country||the United States|
|Destination airport name||Duluth International Airport|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.