Singapore

$1,231+ Cheap flights from Knoxville (TYS) to Singapore (SIN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SIN
Feb 28 — Mar 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Knoxville to Singapore

Cheapest flights from Knoxville to Singapore
Explore the most affordable flight options available from Knoxville to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:00 am
TYS
-
SIN
2 stops36h 00m
United Airlines
Sun 3/2210:20 pm
SIN
-
TYS
2 stops34h 27m
United Airlines
Deal found 1/29$1,231
This Qatar Airways deal was found by Cheapflights users on 1/26. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:42 am
TYS
-
SIN
2 stops38h 13m
Qatar Airways
Mon 2/238:15 pm
SIN
-
TYS
2 stops37h 25m
Qatar Airways
Deal found 1/26$1,277
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 3/138:40 am
TYS
-
SIN
2 stops47h 35m
United Airlines
Fri 3/2010:20 pm
SIN
-
TYS
2 stops28h 42m
United Airlines
Deal found 1/27$1,440
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sun 7/55:39 pm
TYS
-
SIN
2 stops36h 56m
United Airlines
Sun 7/268:35 pm
SIN
-
TYS
2 stops37h 47m
United Airlines
Deal found 1/27$1,481
This oojo deal was found by Cheapflights users on 1/28. 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.
Sat 6/61:13 pm
TYS
-
SIN
2 stops38h 32m
Qatar Airways
Fri 6/127:40 pm
SIN
-
TYS
2 stops51h 16m
Qatar Airways
Deal found 1/28$1,748
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Sat 6/64:56 pm
TYS
-
SIN
3 stops61h 39m
United Airlines
Fri 6/128:35 pm
SIN
-
TYS
2 stops32h 26m
United Airlines
Deal found 1/28$1,775
This IEagle deal was found by Cheapflights users on 1/27. 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.
Sun 7/55:50 am
TYS
-
SIN
2 stops45h 00m
Ethiopian Air
Sat 7/252:00 am
SIN
-
TYS
3 stops48h 42m
Ethiopian Air
Deal found 1/27$2,759
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/138:45 am
TYS
-
SIN
2 stops47h 40m
Multiple Airlines
Thu 3/192:00 am
SIN
-
TYS
3 stops48h 50m
Multiple Airlines
Deal found 1/27$2,956
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 6/67:10 am
TYS
-
SIN
1 stop45h 35m
Multiple Airlines
Fri 6/129:00 am
SIN
-
TYS
2 stops24h 56m
Multiple Airlines
Deal found 1/28$3,486
This Arangrant deal was found by Cheapflights users on 1/28. 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.
Wed 9/167:43 am
TYS
-
SIN
2 stops28h 37m
Japan Airlines
Wed 9/231:55 am
SIN
-
TYS
2 stops24h 34m
Japan Airlines
Deal found 1/28$5,761

Find flight deals from Knoxville to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,231
(United Airlines)
Provider with most accurate pricing for Knoxville McGhee Tyson-Singapore Changi flight deals.
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Singapore Changi flights.
From Knoxville McGhee Tyson to Singapore Changi

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville 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 January 29, 2026.
Use the filters below to find and compare flights from Knoxville to Singapore that are best for you.

Fly from

Knoxville

Fly to

Singapore

Route

Depart

Return

Price

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Sun 3/15

7:00 am-7:00 am

2 stops36h 00m

Singapore Changi

Sun 3/22

10:20 pm-8:47 pm

2 stops34h 27m

$1,231

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Thu 2/19

11:42 am-2:55 pm

2 stops38h 13m

Singapore Changi

Mon 2/23

8:15 pm-8:40 pm

2 stops37h 25m

$1,277

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Fri 3/13

8:40 am-8:15 pm

2 stops47h 35m

Singapore Changi

Fri 3/20

10:20 pm-3:02 pm

2 stops28h 42m

$1,440

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Sun 7/5

5:39 pm-6:35 pm

2 stops36h 56m

Singapore Changi

Sun 7/26

8:35 pm-10:22 pm

2 stops37h 47m

$1,481

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Sat 6/6

1:13 pm-3:45 pm

2 stops38h 32m

Singapore Changi

Fri 6/12

7:40 pm-10:56 am

2 stops51h 16m

$1,748

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Sat 6/6

4:56 pm-6:35 pm

3 stops61h 39m

Singapore Changi

Fri 6/12

8:35 pm-5:01 pm

2 stops32h 26m

$1,775

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Sun 7/5

5:50 am-2:50 pm

2 stops45h 00m

Singapore Changi

Sat 7/25

2:00 am-2:42 pm

3 stops48h 42m

$2,759

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Fri 3/13

8:45 am-8:25 pm

2 stops47h 40m

Singapore Changi

Thu 3/19

2:00 am-2:50 pm

3 stops48h 50m

$2,956

KnoxvilleSingapore

TYS - SIN

TYSSIN

Knoxville McGhee Tyson

Sat 6/6

7:10 am-4:45 pm

1 stop45h 35m

Singapore Changi

Fri 6/12

9:00 am-9:56 pm

2 stops24h 56m

$3,486

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Compare providers for flights from Knoxville 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 Knoxville to Singapore in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*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 Knoxville-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub 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 Knoxville-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 Knoxville to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Knoxville 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.

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 January 29, 2026.
Read reviews from past customers who have flown United Airlines from Knoxville 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.

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Knoxville 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 Knoxville to Singapore?

    For as low as $1,231, United Airlines can have you in Singapore from Knoxville in 36h. The distance from Knoxville to Singapore is about 9811 mi. 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 Knoxville to Singapore that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Knoxville to Singapore

Discover the top airline that operate flights from Knoxville 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,097Average$1,179FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.