$518 Cheap Flights from Louisville (SDF) to Singapore (SIN)

View $518 flight on Mon, Feb 2, 2026Opens in a new window

Popular airlines from Louisville Intl. Airport (SDF) to Singapore Changi Airport (SIN)

Cheap Flights from Louisville to Singapore (SDF-SIN)

Prices were available within the past 7 days and start at $518 for one-way flights and $1,010 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Mar 16 - Tue, Mar 24
SDF
Louisville
SIN
Singapore
$1,010 Roundtrip, found 16 hours ago
$1,010
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Mar 16 from Louisville to Singapore, returning Tue, Mar 24, priced at $1,010 found 16 hours ago
American Airlines
Sun, Nov 9 - Wed, Nov 19
SDF
Louisville
SIN
Singapore
$1,060 Roundtrip, found 2 days ago
$1,060
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sun, Nov 9 from Louisville to Singapore, returning Wed, Nov 19, priced at $1,060 found 2 days ago
American Airlines
Mon, Mar 16 - Tue, Mar 24
SDF
Louisville
SIN
Singapore
$1,085 Roundtrip, found 16 hours ago
$1,085
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Mar 16 from Louisville to Singapore, returning Tue, Mar 24, priced at $1,085 found 16 hours ago
American Airlines
Mon, Mar 16 - Tue, Mar 24
SDF
Louisville
SIN
Singapore
$1,110 Roundtrip, found 16 hours ago
$1,110
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Mon, Mar 16 from Louisville to Singapore, returning Tue, Mar 24, priced at $1,110 found 16 hours ago
United
Mon, Mar 16 - Tue, Mar 24
SDF
Louisville
SIN
Singapore
$1,129 Roundtrip, found 16 hours ago
$1,129
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Mar 16 from Louisville to Singapore, returning Tue, Mar 24, priced at $1,129 found 16 hours ago
American Airlines
Sun, Nov 2 - Tue, Nov 11
SDF
Louisville
SIN
Singapore
$1,135 Roundtrip, found 18 hours ago
$1,135
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Nov 2 from Louisville to Singapore, returning Tue, Nov 11, priced at $1,135 found 18 hours ago
United
Wed, Nov 5 - Wed, Nov 12
SDF
Louisville
SIN
Singapore
$1,137 Roundtrip, found 18 hours ago
$1,137
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Nov 5 from Louisville to Singapore, returning Wed, Nov 12, priced at $1,137 found 18 hours ago
Delta
Mon, Mar 16 - Tue, Mar 24
SDF
Louisville
SIN
Singapore
$1,139 Roundtrip, found 16 hours ago
$1,139
Roundtrip
found 16 hours ago
Select Delta flight, departing Mon, Mar 16 from Louisville to Singapore, returning Tue, Mar 24, priced at $1,139 found 16 hours ago
Japan Airlines
Thu, Jan 15 - Wed, Jan 21
SDF
Louisville
SIN
Singapore
$1,159 Roundtrip, found 4 days ago
$1,159
Roundtrip
found 4 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Louisville to Singapore, returning Wed, Jan 21, priced at $1,159 found 4 days ago
All Nippon Airways
Thu, Jan 22 - Wed, Jan 28
SDF
Louisville
SIN
Singapore
$1,176 Roundtrip, found 1 hour ago
$1,176
Roundtrip
found 1 hour ago
Select All Nippon Airways flight, departing Thu, Jan 22 from Louisville to Singapore, returning Wed, Jan 28, priced at $1,176 found 1 hour ago

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $1,195
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $1,195

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Changi Airport (SIN) cost?
Snag a cheap one-way flight from $518 or cheap return flight from $1,010 from Louisville Intl. Airport (SDF) to Changi Airport (SIN) 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 Louisville Intl. Airport (SDF) to Changi Airport (SIN)?
Traveling in March may help you find better deals, as it's the cheapest month for flights between SDF and SIN. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Changi Airport (SIN)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SDF to SIN. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Louisville Intl. Airport (SDF) to Changi Airport (SIN)?
You'll have to catch a flight with a layover when traveling from Louisville Intl. Airport (SDF) to Changi Airport (SIN). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from SDF to SIN?
Usually you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, carrier and other factors.*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 Changi Airport (SIN)?
Select a flight from Louisville Intl. Airport (SDF) to Changi Airport (SIN) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures 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 Louisville Intl. Airport (SDF) to Changi Airport (SIN) last-minute?
Last-minute fares from SDF to SIN are usually more expensive. For the cheapest rates, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a SDF to SIN flight and hotel package?
Booking a SDF to SIN 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 wide 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 Louisville Intl. Airport (SDF) to Changi Airport (SIN)?
You can usually cancel or reschedule your SDF to SIN 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 if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Louisville Intl.
Destination airport
Changi
Airlines serving
Air France, All Nippon Airways, American Airlines, British Airways, Delta, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Qantas Airways, Qatar Airways, United
Roundtrip price
$1,010
Distance
9634 mi

Book with confidence

Louisville to Singapore Flights

The cheapest times to fly from Louisville to Singapore

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

 

The best time to book a flight from Louisville to Singapore

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

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 Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $518 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 Singapore 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 Singapore 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 Singapore Flights

Explore a world of travel with Expedia

*Available to One Key members.