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$636+ Cheap flights from Louisville (SDF) to Singapore (SIN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SIN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Louisville to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 31, 2025.

Round-trip from

$1,129
(United Airlines)

One-way from

$636
(KAYAK)

Popular in

December

Cheapest in

September

Average price

$1,629
From Louisville Intl to Singapore Changi
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One-way flight from Louisville Intl to Singapore Changi
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Highest demand for flights based on searches. 11% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Louisville to Singapore

Cheapest flights from Louisville to Singapore
Explore the most affordable flight options available from Louisville to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:55 amSDF - SIN
2 stops31h 20mUnited Airlines
Mon 10/68:40 pmSIN - SDF
2 stops33h 53mUnited Airlines
Deal found 7/30$1,129
This Gurufare deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:00 amSDF - SIN
2 stops59h 10mJapan Airlines
Fri 9/191:55 amSIN - SDF
2 stops24h 08mJapan Airlines
Deal found 7/29$1,286
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:45 amSDF - SIN
2 stops28h 35mAmerican Airlines
Sun 10/51:55 amSIN - SDF
2 stops32h 28mAmerican Airlines
Deal found 7/28$1,308
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:00 amSDF - SIN
2 stops33h 00mDelta
Wed 11/2610:30 pmSIN - SDF
2 stops28h 19mDelta
Deal found 7/31$1,342
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:59 pmSDF - SIN
2 stops46h 46mMultiple Airlines
Sat 9/204:00 pmSIN - SDF
3 stops37h 39mMultiple Airlines
Deal found 7/29$1,456
This AranGrant deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/298:40 amSDF - SIN
2 stops34h 00mANA
Mon 8/410:10 pmSIN - SDF
2 stops34h 16mANA
Deal found 7/28$7,007
This oojo deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/298:40 pmSDF - SIN
2 stops36h 20mQatar Airways
Sun 8/33:10 amSIN - SDF
2 stops31h 34mQatar Airways
Deal found 7/28$7,906

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Louisville to Singapore that are best for you.

Fly from

Louisville

Fly to

Singapore

Route

Depart

Return

Price

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Thu 10/2

10:55 am-6:15 am

2 stops31h 20m

Singapore Changi

Mon 10/6

8:40 pm-6:33 pm

2 stops33h 53m

$1,129

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Sat 9/13

7:00 am-6:10 am

2 stops59h 10m

Singapore Changi

Fri 9/19

1:55 am-2:03 pm

2 stops24h 08m

$1,286

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Thu 10/2

7:45 am-12:20 am

2 stops28h 35m

Singapore Changi

Sun 10/5

1:55 am-10:23 pm

2 stops32h 28m

$1,308

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Fri 11/21

6:00 am-12:10 am

2 stops29h 10m

Singapore Changi

Tue 11/25

1:30 am-4:50 pm

2 stops28h 20m

$1,342

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Sat 9/13

1:59 pm-12:45 am

2 stops46h 46m

Singapore Changi

Sat 9/20

4:00 pm-5:39 pm

3 stops37h 39m

$1,456

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Wed 1/7

6:51 am-5:25 pm

2 stops45h 34m

$636

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Wed 1/7

6:00 am-10:00 am

3 stops39h 00m

$831

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Louisville to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Singapore

What is the cheapest month to book a flight from Louisville to Singapore?

Currently, October is the cheapest month in which you can book a flight from Louisville to Singapore (average of $995). Flying from Louisville to Singapore in December is currently the most expensive (average of $1,679). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown Japan Airlines, Delta, and United Airlines from Louisville to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,536 reviews

Food

7.7

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very good
1,536 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Food

7.7

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Delta
8.0
Very good
7,980 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Food

7.7

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
United Airlines
7.4
Good
8,902 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Food

7.7

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
American Airlines
7.2
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,536 reviews

Food

7.7

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Entertainment

7.8

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Louisville to Singapore round-trip?

    Our cheapest airline available from Louisville to Singapore is United Airlines. Our recent data shows that you can find tickets from as low as $1,129 on this airline. Additional options worth looking into are Japan Airlines and American Airlines, starting at $1,286 and $1,308 round-trip. These flights start at 29% lower than the current average price 3 months from now.

  • Can I find deals for flights from Louisville to Singapore that include hotel bookings?

    Yes. In addition to deals on Louisville to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Singapore.

  • Can I find deals for business class flights from Louisville to Singapore?

    Yes. Cheapflights offers flight deals from Louisville to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisville to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Louisville to Singapore (average of $995). Flying from Louisville to Singapore in December is currently the most expensive (average of $1,679). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Singapore flights
Nashville to Singapore flights
Knoxville to Singapore flights
Blountville to Singapore flights
Lexington to Singapore flights
Evansville to Singapore flights

Top airline flying from Louisville to Singapore

Discover the top airline that operate flights from Louisville to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,097Average$1,538FlexibilityNo cancel feeOn-time69%

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