$624 Cheap Flights from Louisville (SDF) to Zakynthos (ZTH)

View $624 flight on Sat, May 16, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Zakynthos (ZTH-Zakynthos Intl.)

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Cheap Flights from Louisville to Zakynthos (SDF-ZTH)

Prices were available within the past 7 days and start at $624 for one-way flights and $949 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$949 Roundtrip, found 6 days ago
$949
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $949 found 6 days ago
United
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$955 Roundtrip, found 6 days ago
$955
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $955 found 6 days ago
United
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$955 Roundtrip, found 6 days ago
$955
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $955 found 6 days ago
United
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$957 Roundtrip, found 6 days ago
$957
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $957 found 6 days ago
United
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$963 Roundtrip, found 6 days ago
$963
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $963 found 6 days ago
United
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$1,007 Roundtrip, found 6 days ago
$1,007
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $1,007 found 6 days ago
British Airways
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$1,010 Roundtrip, found 6 days ago
$1,010
Roundtrip
found 6 days ago
Select British Airways flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $1,010 found 6 days ago
British Airways
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$1,010 Roundtrip, found 6 days ago
$1,010
Roundtrip
found 6 days ago
Select British Airways flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $1,010 found 6 days ago
United
Sat, May 16 - Sat, May 23
SDF
Louisville
ZTH
Zakynthos
$1,014 Roundtrip, found 6 days ago
$1,014
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 16 from Louisville to Zakynthos, returning Sat, May 23, priced at $1,014 found 6 days ago
Delta
Mon, Mar 9 - Mon, Mar 16
SDF
Louisville
ZTH
Zakynthos
$1,054 Roundtrip, found 4 days ago
$1,054
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Mar 9 from Louisville to Zakynthos, returning Mon, Mar 16, priced at $1,054 found 4 days ago

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH) cost?
Lock in a cheap one-way flight from $624 or cheap return flight from $949 from Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH)?
Planning your getaway for May may help you find better deals, as it's the cheapest month for flights between SDF and ZTH. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH)?
To find the cheapest airline flying from SDF to ZTH, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH)?
Nonstop flights from Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to ZTH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH)?
To arrive at Zakynthos Intl. Airport (ZTH) on time, choose a flight that leaves from Louisville Intl. Airport (SDF) 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 Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH) last-minute?
Last-minute bookings from SDF to ZTH are generally more expensive. To lock in the lowest rates, start searching for flights well in advance. That said, if you're flexible with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book a SDF to ZTH flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDF to ZTH flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Just secure your flights and select from our extensive range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Zakynthos Intl. Airport (ZTH)?
Typically, you can cancel or modify your SDF to ZTH flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Origin airport
Louisville Intl.
Destination airport
Zakynthos Intl.
Roundtrip price
$948
Distance
5418 mi

Book with confidence

Louisville to Zakynthos Flights

The cheapest times to fly from Louisville to Zakynthos

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

 

The best time to book a flight from Louisville to Zakynthos

Sunday is one of the best days to book for cheap flights from Louisville to Zakynthos: 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 Louisville to Zakynthos

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 Louisville to Zakynthos in 2025. You can also book with separate airlines for your outbound and return journeys, from $624 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 Louisville to Zakynthos 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 Louisville to Zakynthos 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.

 

Louisville to Zakynthos Flights

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*Available to One Key members.