$368 Cheap Flights from Ketchikan (KTN) to Louisville (SDF)

View $368 flight on Mon, May 12, 2025Opens in a new window

Popular airlines from Ketchikan, AK (KTN-Ketchikan Intl.) to Louisville Intl. Airport (SDF)

Find available prices by choosing your travel dates.

Cheap Flights from Ketchikan to Louisville (KTN-SDF)

Prices were available within the past 7 days and start at $368 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Ketchikan (KTN) to Louisville (SDF)
Origin airport
Ketchikan Intl.
Destination airport
Louisville Intl.
Distance
2417 mi

Ketchikan to Louisville Flights

The cheapest times to fly from Ketchikan to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ketchikan to Louisville are during the month of . You can find some of the cheapest flights from Ketchikan to Louisville with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Ketchikan to Louisville

Sunday is one of the best days to book for cheap flights from Ketchikan to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Ketchikan to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ketchikan to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $368 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ketchikan to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ketchikan to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Ketchikan Intl. Airport (KTN) to Louisville Intl. Airport (SDF) cost?
Discover the latest flight deals from KTN to SDF by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from KTN to SDF?
The cheapest flights from KTN to SDF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from KTN to SDF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from KTN to SDF. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Ketchikan Intl. Airport (KTN) to Louisville Intl. Airport (SDF)?
You’ll have to hop on a flight with a layover when traveling from Ketchikan Intl. Airport (KTN) to Louisville Intl. Airport (SDF). Direct flights don’t operate daily on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from KTN to SDF?
You’ll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ketchikan Intl. Airport (KTN) to Louisville Intl. Airport (SDF)?
To arrive at Louisville Intl. Airport (SDF) on schedule, select a flight that leaves Ketchikan Intl. Airport (KTN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Ketchikan Intl. Airport (KTN) to Louisville Intl. Airport (SDF) last-minute?
Last-minute bookings from KTN to SDF are typically more expensive. For the lowest rates, start looking for flights well in advance. That said, if you’re flexible with your travel plans, you may score a cheap ticket just before your departure.
Is it cheaper to book a KTN to SDF flight and hotel package?
Securing a KTN to SDF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ketchikan Intl. Airport (KTN) to Louisville Intl. Airport (SDF)?
Typically, it’s possible to reschedule or cancel your KTN to SDF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.