HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Saint Thomas Island

$447+ Cheap flights from Knoxville (TYS) to Saint Thomas Island (STT)

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — STT
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Saint Thomas Island 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 Saint Thomas Island

Cheapest flights from Knoxville to Saint Thomas Island
Explore the most affordable flight options available from Knoxville to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/1. 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.
Wed 12/316:07 pmTYS - STT
1 stop16h 24mMultiple Airlines
Wed 1/73:23 pmSTT - TYS
2 stops18h 16mMultiple Airlines
Deal found 12/1$468
This Mytrip deal was found by Cheapflights users on 12/3. 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 12/209:23 pmTYS - STT
1 stop13h 08mMultiple Airlines
Wed 12/2412:31 pmSTT - TYS
2 stops24h 29mMultiple Airlines
Deal found 12/3$499
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Wed 12/172:53 pmTYS - STT
1 stop19h 38mMultiple Airlines
Sun 12/2112:31 pmSTT - TYS
1 stop20h 47mMultiple Airlines
Deal found 12/2$517
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/137:00 amTYS - STT
1 stop8h 18mUnited Airlines
Fri 12/195:20 pmSTT - TYS
1 stop7h 39mUnited Airlines
Deal found 12/2$593

Find flight deals from Knoxville to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Saint Thomas Island (STT). 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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$447
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$889
Provider with most accurate pricing for Knoxville McGhee Tyson-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Saint Thomas Island Cyril E King flights.
Search Deals
From Knoxville McGhee Tyson to Saint Thomas Island Cyril E King
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Saint Thomas Island 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 4, 2025.
Use the filters below to find and compare flights from Knoxville to Saint Thomas Island that are best for you.

Fly from

Knoxville

Fly to

Saint Thomas Island

Route

Depart

Return

Price

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Thu 1/8

1:39 pm-2:52 pm

2 stops48h 13m

Saint Thomas Island Cyril E King

Thu 1/15

3:57 pm-5:28 pm

1 stop26h 31m

$447

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Wed 12/31

6:07 pm-11:31 am

1 stop16h 24m

Saint Thomas Island Cyril E King

Wed 1/7

3:23 pm-8:39 am

2 stops18h 16m

$468

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 2/20

7:22 pm-4:34 pm

2 stops44h 12m

Saint Thomas Island Cyril E King

Fri 2/27

3:36 pm-2:04 pm

1 stop23h 28m

$474

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sat 2/7

7:11 pm-2:02 pm

2 stops17h 51m

Saint Thomas Island Cyril E King

Wed 2/11

4:47 pm-11:59 pm

1 stop8h 12m

$479

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Wed 2/4

5:17 pm-2:02 pm

2 stops19h 45m

Saint Thomas Island Cyril E King

Fri 2/13

4:27 pm-11:55 pm

1 stop8h 28m

$479

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 2/20

5:35 am-5:31 pm

2 stops10h 56m

Saint Thomas Island Cyril E King

Fri 2/27

6:36 pm-8:41 am

2 stops15h 05m

$479

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Wed 2/11

6:51 pm-12:26 pm

2 stops16h 35m

Saint Thomas Island Cyril E King

Fri 2/20

4:29 pm-10:11 am

1 stop18h 42m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Compare providers for flights from Knoxville to Saint Thomas Island

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 Saint Thomas Island in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 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-Saint Thomas Island flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Saint Thomas Island flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Knoxville-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Saint Thomas Island 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 Knoxville-Saint Thomas Island 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 Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island 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.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Saint Thomas Island

How far ahead should I book a flight from Knoxville to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Saint Thomas Island. Price data was last updated on November 28, 2025.

The best time to book flights from Knoxville to Saint Thomas Island is 41 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Knoxville to Saint Thomas Island?

Currently, April is the cheapest month in which you can book a flight from Knoxville to Saint Thomas Island (average of $93). Flying from Knoxville to Saint Thomas Island in December is currently the most expensive (average of $599). 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 Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. 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 Saint Thomas Island. Reviews last updated December 4, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Knoxville to Saint Thomas Island by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,066 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,011 reviews

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Saint Thomas Island. 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 Saint Thomas Island?

    Departing from Knoxville to Saint Thomas Island will take you 17h 51m. Airlines will cover a distance of 1674 mi.

  • What are the cheapest airlines flying from Knoxville to Saint Thomas Island round-trip?

    Cheapflights users have booked flights from Knoxville to Saint Thomas Island round-trip from $282. Other airlines that can offer you cheap pricing are American Airlines, from $435, and United Airlines, from $522. Delta is priced at 57% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Knoxville to Saint Thomas Island that include hotel bookings?

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

  • How can I find direct flights from Knoxville to Saint Thomas Island?

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

  • Can I find deals for business class flights from Knoxville to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Knoxville to Saint Thomas Island 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 Knoxville to Saint Thomas Island?

    Currently, April is the cheapest month in which you can book a flight from Knoxville to Saint Thomas Island (average of $93). Flying from Knoxville to Saint Thomas Island in December is currently the most expensive (average of $599). 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

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

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.

Top 3 airlines flying from Knoxville to Saint Thomas Island

Discover the top 3 airlines that operate flights from Knoxville to Saint Thomas Island. 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$302Average$672FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$435Average$652FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$522Average$720FlexibilityNo 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.