$628 Cheap Flights from Louisville (SDF) to Singapore (SIN)

View $628 flight on Fri, Sep 19, 2025Opens in a new window

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

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Cheap Flights from Louisville to Singapore (SDF-SIN)

Prices were available within the past 7 days and start at $628 for one-way flights and $1,050 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Oct 26 - Tue, Nov 4
SDF
Louisville
SIN
Singapore
$1,050 Roundtrip, found 1 day ago
$1,050
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Oct 26 from Louisville to Singapore, returning Tue, Nov 4, priced at $1,050 found 1 day ago
American Airlines
Mon, Oct 6 - Thu, Oct 16
SDF
Louisville
SIN
Singapore
$1,092 Roundtrip, found 4 days ago
$1,092
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Oct 6 from Louisville to Singapore, returning Thu, Oct 16, priced at $1,092 found 4 days ago
United
Mon, Sep 8 - Tue, Sep 23
SDF
Louisville
SIN
Singapore
$1,129 Roundtrip, found 1 day ago
$1,129
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 8 from Louisville to Singapore, returning Tue, Sep 23, priced at $1,129 found 1 day ago
Delta
Mon, Sep 15 - Thu, Oct 2
SDF
Louisville
SIN
Singapore
$1,139 Roundtrip, found 1 day ago
$1,139
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Sep 15 from Louisville to Singapore, returning Thu, Oct 2, priced at $1,139 found 1 day ago
United
Mon, May 4 - Thu, May 14
SDF
Louisville
SIN
Singapore
$1,142 Roundtrip, found 1 day ago
$1,142
Roundtrip
found 1 day ago
Select United flight, departing Mon, May 4 from Louisville to Singapore, returning Thu, May 14, priced at $1,142 found 1 day ago
American Airlines
Sat, Mar 7 - Mon, Mar 16
SDF
Louisville
SIN
Singapore
$1,144 Roundtrip, found 2 days ago
$1,144
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Mar 7 from Louisville to Singapore, returning Mon, Mar 16, priced at $1,144 found 2 days ago
United
Sun, Nov 2 - Tue, Nov 11
SDF
Louisville
SIN
Singapore
$1,144 Roundtrip, found 1 day ago
$1,144
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 2 from Louisville to Singapore, returning Tue, Nov 11, priced at $1,144 found 1 day ago
United
Wed, Sep 10 - Tue, Sep 16
SDF
Louisville
SIN
Singapore
$1,151 Roundtrip, found 1 day ago
$1,151
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 10 from Louisville to Singapore, returning Tue, Sep 16, priced at $1,151 found 1 day ago
Japan Airlines
Thu, Oct 30 - Tue, Nov 4
SDF
Louisville
SIN
Singapore
$1,163 Roundtrip, found 1 day ago
$1,163
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Thu, Oct 30 from Louisville to Singapore, returning Tue, Nov 4, priced at $1,163 found 1 day ago
All Nippon Airways
Mon, Sep 29 - Tue, Nov 4
SDF
Louisville
SIN
Singapore
$1,180 Roundtrip, found 11 hours ago
$1,180
Roundtrip
found 11 hours ago
Select All Nippon Airways flight, departing Mon, Sep 29 from Louisville to Singapore, returning Tue, Nov 4, priced at $1,180 found 11 hours 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 $1,129
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $1,129
Flights from Louisville (SDF) to Singapore (SIN)
Origin airport
Louisville Intl.
Destination airport
Changi
Airlines serving
Air Canada, All Nippon Airways, American Airlines, British Airways, Delta, Finnair, Japan Airlines, KLM, Korean Air, Lufthansa, Qantas Airways, Qatar Airways, United
Roundtrip price
$1,049
Distance
9634 mi

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 October. 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 $628 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.

 

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 $628 or cheap return flight from $1,050 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 October 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.

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*Available to One Key members.