Cheap Flights from Tonu (TON) to Louisville (SDF)

Popular airlines from Tonu (TON) to Louisville Intl. Airport (SDF)

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Frequently asked questions

How much does a flight from Tonu (TON) to Louisville Intl. Airport (SDF) cost?
Get a cheap one-way flight or cheap return flight from Tonu (TON) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Tonu (TON) to Louisville Intl. Airport (SDF)?
Traveling in can help you save, as it's the cheapest month for flights between TON and SDF. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Tonu (TON) to Louisville Intl. Airport (SDF)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest TON to SDF flight.
How many flights per day from Tonu (TON) to Louisville Intl. Airport (SDF)?
Direct flights from Tonu (TON) to Louisville Intl. Airport (SDF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TON to SDF?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tonu (TON) to Louisville Intl. Airport (SDF)?
To reach Louisville Intl. Airport (SDF) without delays, select a flight that leaves from Tonu (TON) before 3 PM. The likelihood 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 Tonu (TON) to Louisville Intl. Airport (SDF) last-minute?
Last-minute fares from TON to SDF are generally more expensive. To lock in the best prices, start looking for flights ahead of time. That being said, if you're flexible with your travel plans, you may find a cheap fare right before your journey.
Is it cheaper to book a TON to SDF flight and hotel package?
Opting for a TON to SDF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our impressive range of accommodations and then add activities, flights and car rentals 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 Tonu (TON) to Louisville Intl. Airport (SDF)?
You can usually reschedule or cancel your TON to SDF flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Tonu
Destination airport
Louisville Intl.
Distance
8057 mi

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Tonu to Louisville Flights

The cheapest times to fly from Tonu 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 Tonu to Louisville are during the month of . You can find some of the cheapest flights from Tonu to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tonu to Louisville

Sunday is one of the best days to book for cheap flights from Tonu 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 Tonu 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 Tonu to Louisville in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Tonu 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 Tonu 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.

 

Tonu to Louisville Flights

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*Available to One Key members.