$531 Cheap Flights from Lisbon (LIS) to Louisville (SDF)

View $531 flight on Thu, Jan 22, 2026Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF)

Cheap Flights from Lisbon to Louisville (LIS-SDF)

Prices were available within the past 7 days and start at $531 for one-way flights and $840 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Iberia
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$840 Roundtrip, found 4 days ago
$840
Roundtrip
found 4 days ago
Select Iberia flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $840 found 4 days ago
Iberia
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$842 Roundtrip, found 4 days ago
$842
Roundtrip
found 4 days ago
Select Iberia flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $842 found 4 days ago
British Airways
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$855 Roundtrip, found 4 days ago
$855
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $855 found 4 days ago
Delta
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$861 Roundtrip, found 4 days ago
$861
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $861 found 4 days ago
Iberia
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$864 Roundtrip, found 4 days ago
$864
Roundtrip
found 4 days ago
Select Iberia flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $864 found 4 days ago
American Airlines
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$865 Roundtrip, found 4 days ago
$865
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $865 found 4 days ago
Delta
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$866 Roundtrip, found 4 days ago
$866
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $866 found 4 days ago
Iberia
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$869 Roundtrip, found 4 days ago
$869
Roundtrip
found 4 days ago
Select Iberia flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $869 found 4 days ago
Iberia
Thu, Jan 22 - Tue, Jan 27
LIS
Lisbon
SDF
Louisville
$870 Roundtrip, found 4 days ago
$870
Roundtrip
found 4 days ago
Select Iberia flight, departing Thu, Jan 22 from Lisbon to Louisville, returning Tue, Jan 27, priced at $870 found 4 days ago
Lufthansa
Sat, Nov 8 - Sat, Nov 15
LIS
Lisbon
SDF
Louisville
$878 Roundtrip, found 1 day ago
$878
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Sat, Nov 8 from Lisbon to Louisville, returning Sat, Nov 15, priced at $878 found 1 day ago
Flights from Lisbon (LIS) to Louisville (SDF)
Origin airport
Humberto Delgado
Destination airport
Louisville Intl.
Roundtrip price
$839
Distance
4011 mi

Lisbon to Louisville Flights

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

 

The best time to book a flight from Lisbon to Louisville

Sunday is one of the best days to book for cheap flights from Lisbon 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 Lisbon 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 Lisbon to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $531 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 Lisbon 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 Lisbon 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 Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF) cost?
Lock in a cheap one-way flight from $531 or cheap return flight from $840 from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF)?
The cheapest month to fly from LIS to SDF is January, when demand is low. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF)?
To find the cheapest airline that'll fly you from LIS to SDF, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF)?
You'll need to take a flight with a layover if you're traveling from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from LIS to SDF?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF)?
Opt for a flight from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**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 Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF) last-minute?
Waiting until just before your trip to book your flight from LIS to SDF often results in higher prices. While you might find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of scoring a bargain.
Is it cheaper to book a LIS to SDF flight and hotel package?
Securing a LIS to SDF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Louisville Intl. Airport (SDF)?
It's usually possible to reschedule or cancel your LIS to SDF flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible 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.