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$644+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SIN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This AranGrant deal was found by Cheapflights users on 12/10. 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.
Thu 12/119:00 amSDF - SIN
2 stops32h 55mANA
Wed 12/176:35 amSIN - SDF
2 stops26h 53mANA
Deal found 12/10$7,078
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/111:50 pmSDF - SIN
2 stops29h 10mUnited Airlines
Wed 12/1710:20 pmSIN - SDF
3 stops29h 02mUnited Airlines
Deal found 12/10$7,544

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,056
(Japan Airlines)

One-way from

$644
(United Airlines)

Popular in

December

Cheapest in

November

Average price

$2,219
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 Changi
Search Deals
One-way flight from Louisville Intl to Singapore Changi
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($73 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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 1/29

8:30 am-8:00 am

2 stops34h 30m

Singapore Changi

Mon 2/2

10:20 pm-1:14 pm

2 stops27h 54m

$1,129

LouisvilleSingapore

SDF - SIN

SDFSIN

Louisville Intl

Thu 4/2

9:00 am-6:45 am

2 stops33h 45m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Louisville to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Singapore in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Singapore flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Singapore flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Louisville-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Singapore flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 June is currently the most expensive (average of $1,447). 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 December 12, 2025.
Read reviews from past customers who have flown 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.
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

  • How long is the flight from Louisville to Singapore?

    Airlines like United Airlines fly from Louisville to Singapore in about 34h 30m. The time it takes to get you to your destination can typically vary by up to . There are 9629 mi between Louisville and Singapore.

  • What is the cheapest airline to fly 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. This flight start at 24% 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, 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 June is currently the most expensive (average of $1,447). 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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Alternative routes for Louisville to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,129Average$1,447FlexibilityNo cancel feeOn-time69%

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