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 $413. Other airlines that can offer you cheap pricing are Delta, from $544, and United Airlines, from $772. American Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Knoxville to Saint Thomas Island?

Travelers seeking maximum savings on their Knoxville to Saint Thomas Island flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Knoxville to Saint Thomas Island?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Knoxville to Saint Thomas Island.

What is the cheapest day to fly round-trip from Knoxville to Saint Thomas Island?

Friday flights are found to be more expensive to fly from Knoxville to Saint Thomas Island. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Saint Thomas Island.

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

To save on the cost of your flight from Knoxville to Saint Thomas Island, book at least 41 days before your planned departure. Booking around this time can save you about 746% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $580 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $775.

What is the cheapest month to fly from Knoxville to Saint Thomas Island?

September is one of the best times of the year to fly to Saint Thomas Island from Knoxville. Prices for September average $676 per person but you can even find prices for as low as $385. The most expensive prices can be found in the month of June. Opting for a September flight can save you 30% on your journey compared to booking in June

What is the cheapest time of day to fly from TYS to STT?

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Knoxville to Saint Thomas Island by exploring options for tickets at noon.

Most accurate provider : When it comes to deals on Knoxville-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >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 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-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$343+ Flights from Knoxville to Saint Thomas Island

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1. Tell us where you want to go

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Cheap flight deals from Knoxville to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$343 (Mytrip)
Popular in	June
Cheapest in	September
Average price	$720

Provider with most accurate pricing for Knoxville McGhee Tyson-Saint Thomas Island Cyril E King flight deals.

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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Saint Thomas Island Cyril E King flights.

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From Knoxville McGhee Tyson to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($94 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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Find 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 March 28, 2025.

Fri 4/114:12 pmTYS - STT

1 stop19h 12mMultiple Airlines

Tue 4/1511:05 amSTT - TYS

1 stop7h 27mMultiple Airlines

Deal found 3/27

$343

Fri 8/298:35 pmTYS - STT

1 stop16h 05mAmerican Airlines

Wed 9/35:20 pmSTT - TYS

1 stop6h 05mAmerican Airlines

Deal found 3/27

$413

Thu 7/35:45 amTYS - STT

1 stop9h 06mDelta

Thu 7/101:21 pmSTT - TYS

1 stop10h 26mDelta

Deal found 3/27

$544

Sun 6/15:45 amTYS - STT

1 stop6h 32mUnited Airlines

Fri 6/64:45 pmSTT - TYS

1 stop21h 48mUnited Airlines

Deal found 3/27

$772

Best flights from Knoxville to Saint Thomas Island
Discover carefully curated flight deals from Knoxville to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Fri 4/114:12 pmTYS - STT

1 stop19h 12mMultiple Airlines

Tue 4/1511:05 amSTT - TYS

1 stop7h 27mMultiple Airlines

Deal found 3/27

$343

Fri 8/298:35 pmTYS - STT

1 stop16h 05mAmerican Airlines

Wed 9/35:20 pmSTT - TYS

1 stop6h 05mAmerican Airlines

Deal found 3/27

$413

Thu 7/35:45 amTYS - STT

1 stop9h 06mDelta

Thu 7/101:21 pmSTT - TYS

1 stop10h 26mDelta

Deal found 3/27

$544

Sun 6/15:45 amTYS - STT

1 stop6h 32mUnited Airlines

Fri 6/64:45 pmSTT - TYS

1 stop21h 48mUnited Airlines

Deal found 3/27

$772

Last-minute flights from Knoxville to Saint Thomas Island
Discover last-minute flight deals from Knoxville to Saint Thomas Island. Data last updated March 28, 2025 and is based on user searches.

Fri 4/114:12 pmTYS - STT

1 stop19h 12mMultiple Airlines

Tue 4/1511:05 amSTT - TYS

1 stop7h 27mMultiple Airlines

Deal found 3/27

$343

Thu 4/245:45 amTYS - STT

1 stop7h 16mUnited Airlines

Tue 5/62:10 pmSTT - TYS

2 stops20h 05mUnited Airlines

Deal found 3/27

$806

Thu 4/247:54 pmTYS - STT

2 stops16h 11mAmerican Airlines

Tue 5/65:10 pmSTT - TYS

2 stops17h 18mAmerican Airlines

Deal found 3/27

$820

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 4/11

4:12 pm-11:24 am

1 stop19h 12m

Saint Thomas Island Cyril E King

Tue 4/15

11:05 am-6:32 pm

1 stop7h 27m

$343

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 8/29

8:35 pm-12:50 pm

2 stops16h 15m

Saint Thomas Island Cyril E King

Wed 9/3

5:20 pm-11:25 pm

1 stop6h 05m

$413

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Thu 7/3

5:45 am-2:51 pm

1 stop9h 06m

Saint Thomas Island Cyril E King

Thu 7/10

1:21 pm-11:47 pm

1 stop10h 26m

$544

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sun 6/1

5:45 am-12:17 pm

1 stop6h 32m

Saint Thomas Island Cyril E King

Fri 6/6

4:45 pm-2:33 pm

1 stop21h 48m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Compare providers for flights from Knoxville to Saint Thomas Island

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >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 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-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?

The best time to book flights from Knoxville to Saint Thomas Island is 40 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, September is the cheapest month in which you can book a flight from Knoxville to Saint Thomas Island (average of $433). Flying from Knoxville to Saint Thomas Island in June is currently the most expensive (average of $646). 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

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,897 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,603 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,897 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 $413. Other airlines that can offer you cheap pricing are Delta, from $544, and United Airlines, from $772. American Airlines is priced at 38% 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, September is the cheapest month in which you can book a flight from Knoxville to Saint Thomas Island (average of $433). Flying from Knoxville to Saint Thomas Island in June is currently the most expensive (average of $646). 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

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Knoxville to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$383	Average$737	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$400	Average$859	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$448	Average$675	FlexibilityNo cancel fee	On-time71%

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$343+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Knoxville to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Knoxville to Saint Thomas Island

Cheapest flights from Knoxville to Saint Thomas IslandExplore 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 March 28, 2025.

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 March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Saint Thomas Island that are best for you.

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 March.

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.

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 March 21, 2025.

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

Reviews of airlines servicing Saint Thomas Island

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.

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

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

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

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

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

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Alternative routes for Knoxville to Saint Thomas Island

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Top 3 airlines flying from Knoxville to Saint Thomas Island

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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 March 28, 2025.