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$638+ Cheap flights from Louisville (SDF) to Singapore

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SIN
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Louisville to Singapore

Keep the following information in mind while searching for Louisville to Singapore flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,138
(Delta)

One-way from

$638
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$1,602
Provider with most accurate pricing for Louisville Intl-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Singapore Changi flights.
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From Louisville Intl to Singapore
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One-way flight from Louisville Intl to Singapore
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Highest demand for flights based on searches. 2% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($65 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 12/1112:20 pmSDF - SIN
2 stops30h 40mUnited Airlines
Thu 12/1810:20 pmSIN - SDF
2 stops27h 53mUnited Airlines
Deal found 10/27$1,778
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:50 pmSDF - SIN
2 stops29h 10mUnited Airlines
Fri 12/1910:20 pmSIN - SDF
2 stops24h 43mUnited Airlines
Deal found 10/28$1,878
This IEagle deal was found by Cheapflights users on 10/27. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/111:02 pmSDF - SIN
2 stops30h 43mQatar Airways
Wed 12/173:15 amSIN - SDF
2 stops31h 39mQatar Airways
Deal found 10/27$2,199
This oojo deal was found by Cheapflights users on 10/28. 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.
Fri 12/121:42 pmSDF - SIN
2 stops36h 13mQatar Airways
Thu 12/183:15 amSIN - SDF
2 stops31h 39mQatar Airways
Deal found 10/28$2,493
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Thu 12/111:02 pmSDF - SIN
3 stops31h 33mMultiple Airlines
Wed 12/173:15 amSIN - SDF
2 stops29h 27mMultiple Airlines
Deal found 10/27$2,865
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:43 amSDF - SIN
2 stops55h 42mMultiple Airlines
Fri 12/199:15 amSIN - SDF
1 stop23h 57mMultiple Airlines
Deal found 10/28$3,012

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 October 29, 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 3/5

7:20 am-5:00 am

2 stops32h 40m

Singapore Changi

Mon 3/9

10:30 pm-11:56 pm

2 stops37h 26m

$1,138

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Thu 3/5

12:00 pm-8:45 am

2 stops31h 45m

Singapore Changi

Sun 3/8

3:15 am-8:59 pm

2 stops29h 44m

$1,235

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Thu 12/11

12:20 pm-8:00 am

2 stops30h 40m

Singapore Changi

Thu 12/18

10:20 pm-1:13 pm

2 stops27h 53m

$1,778

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Fri 12/12

1:50 pm-8:00 am

2 stops29h 10m

Singapore Changi

Fri 12/19

10:20 pm-10:03 am

2 stops24h 43m

$1,878

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Thu 12/11

1:02 pm-8:45 am

2 stops30h 43m

Singapore Changi

Wed 12/17

3:15 am-9:54 pm

2 stops31h 39m

$2,199

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Fri 12/12

1:42 pm-2:55 pm

2 stops36h 13m

Singapore Changi

Thu 12/18

3:15 am-9:54 pm

2 stops31h 39m

$2,493

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Thu 12/11

1:02 pm-9:35 am

3 stops31h 33m

Singapore Changi

Wed 12/17

3:15 am-7:42 pm

2 stops29h 27m

$2,865

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Fri 12/12

9:43 am-6:25 am

2 stops55h 42m

Singapore Changi

Fri 12/19

9:15 am-8:12 pm

1 stop23h 57m

$3,012

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Thu 4/2

11:00 am-6:45 am

2 stops31h 45m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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, August is the cheapest month in which you can book a flight from Louisville to Singapore (average of $1,052). Flying from Louisville to Singapore in December is currently the most expensive (average of $1,526). 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 October 29, 2025.
Peruse reviews from past customers who have flown with United Airlines from Louisville to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 airport do you fly from for flights from Louisville to Singapore?

    If you book a flight to Singapore from Louisville, you will be flying from Louisville Intl, which is the city’s only airport. Louisville Intl (SDF) is located 5.3 mi from the center of Louisville.

  • How long is the flight from Louisville to Singapore?

    Airlines like Delta and Qatar Airways fly from Louisville to Singapore in about 31h 45m. The time it takes to get you to your destination can typically vary by up to 55m. There are 9629 mi between Louisville and Singapore. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, August is the cheapest month in which you can book a flight from Louisville to Singapore (average of $1,052). Flying from Louisville to Singapore in December is currently the most expensive (average of $1,526). 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

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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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,129Average$1,547FlexibilityNo cancel feeOn-time69%

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