$418+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — STT
Aug 22 — Aug 291
Round-trip
1 adult, Economy
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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
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Best
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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 July 23, 2026.
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 July 23, 2026.
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:05 am
TYS
- STT
1 stop6h 46m
American Airlines
Wed 9/301:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/20![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:35 pm
TYS
- STT
2 stops19h 16m
American Airlines
Mon 9/281:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/20![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:06 pm
TYS
- STT
2 stops18h 45m
American Airlines
Sat 10/103:46 pm
STT
- TYS
2 stops20h 42m
American Airlines
Deal found 7/19![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
TYS
- STT
1 stop5h 51m
American Airlines
Sun 9/201:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/19![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:05 am
TYS
- STT
1 stop6h 46m
American Airlines
Sun 9/201:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/20![American Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:18 pm
TYS
- STT
2 stops17h 33m
American Airlines
Sat 10/34:53 pm
STT
- TYS
1 stop15h 37m
American Airlines
Deal found 7/20![American Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:05 am
TYS
- STT
1 stop6h 46m
American Airlines
Sun 9/201:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/21![American Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:13 pm
TYS
- STT
2 stops16h 39m
American Airlines
Sat 12/126:17 pm
STT
- TYS
1 stop6h 40m
American Airlines
Deal found 7/19![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:40 pm
TYS
- STT
1 stop17h 13m
American Airlines
Sat 9/121:41 pm
STT
- TYS
2 stops18h 49m
American Airlines
Deal found 7/19![American Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:04 pm
TYS
- STT
2 stops17h 23m
American Airlines
Wed 11/253:15 pm
STT
- TYS
1 stop10h 37m
American Airlines
Deal found 7/20![American Airlines logo]()
$519
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am
TYS
- STT
1 stop30h 51m
American Airlines
Sat 10/34:53 pm
STT
- TYS
1 stop15h 37m
American Airlines
Deal found 7/20![American Airlines logo]()
$535
Best flights from Knoxville to Saint Thomas IslandDiscover 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 July 23, 2026.
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 July 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/265:45 am
TYS
- STT
1 stop7h 13m
United Airlines
Sat 10/34:45 pm
STT
- TYS
1 stop7h 14m
United Airlines
Deal found 7/20![United Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:35 pm
TYS
- STT
2 stops19h 16m
American Airlines
Mon 9/281:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/20![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:35 pm
TYS
- STT
2 stops19h 16m
American Airlines
Sat 10/101:48 pm
STT
- TYS
2 stops18h 44m
American Airlines
Deal found 7/23![American Airlines logo]()
$453
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:00 am
TYS
- STT
1 stop5h 51m
American Airlines
Sun 9/201:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/19![American Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:18 pm
TYS
- STT
2 stops17h 33m
American Airlines
Sun 9/201:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/21![American Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:40 pm
TYS
- STT
1 stop17h 13m
American Airlines
Sat 9/121:41 pm
STT
- TYS
2 stops18h 49m
American Airlines
Deal found 7/19![American Airlines logo]()
$512
Last-minute flights from Knoxville to Saint Thomas IslandDiscover last-minute flight deals from Knoxville to Saint Thomas Island. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Saint Thomas Island. Data last updated July 23, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 7/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:45 am
TYS
- STT
1 stop6h 35m
Multiple Airlines
Sat 7/255:40 pm
STT
- TYS
2 stops20h 47m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$1,023
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:05 pm
TYS
- STT
2 stops16h 54m
American Airlines
Sun 7/264:50 pm
STT
- TYS
2 stops17h 48m
American Airlines
Deal found 7/20![American Airlines logo]()
$718
This American Airlines deal was found by Cheapflights users on 7/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:11 pm
TYS
- STT
2 stops16h 48m
American Airlines
Mon 7/274:50 pm
STT
- TYS
2 stops19h 44m
American Airlines
Deal found 7/21![American Airlines logo]()
$705
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:07 pm
TYS
- STT
2 stops18h 52m
American Airlines
Tue 7/284:50 pm
STT
- TYS
2 stops19h 44m
American Airlines
Deal found 7/22![American Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 7/22. 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 7/267:15 am
TYS
- STT
1 stop8h 28m
United Airlines
Tue 7/284:45 pm
STT
- TYS
1 stop7h 09m
United Airlines
Deal found 7/22![United Airlines logo]()
$898
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:05 pm
TYS
- STT
2 stops16h 54m
American Airlines
Fri 8/71:49 pm
STT
- TYS
2 stops19h 54m
American Airlines
Deal found 7/20![American Airlines logo]()
$1,022
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:15 am
TYS
- STT
2 stops10h 37m
American Airlines
Fri 8/141:49 pm
STT
- TYS
2 stops19h 54m
American Airlines
Deal found 7/22![American Airlines logo]()
$799
This American Airlines deal was found by Cheapflights users on 7/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:06 am
TYS
- STT
1 stop9h 46m
American Airlines
Mon 8/171:49 pm
STT
- TYS
2 stops19h 54m
American Airlines
Deal found 7/19![American Airlines logo]()
$683
This American Airlines deal was found by Cheapflights users on 7/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:22 pm
TYS
- STT
2 stops20h 31m
American Airlines
Sat 8/221:49 pm
STT
- TYS
2 stops18h 49m
American Airlines
Deal found 7/18![American Airlines logo]()
$658
This Delta deal was found by Cheapflights users on 7/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
TYS
- STT
1 stop9h 02m
Delta
Sat 8/224:13 pm
STT
- TYS
1 stop6h 26m
Delta
Deal found 7/18![Delta logo]()
$701
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 July 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $418 (American Airlines) |
Popular in | October |
Cheapest in | January |
Average price | $555 |
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 July 23, 2026.
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
Cheapest round-trip
Quickest round-trip
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Sat 9/26
5:45 am-12:58 pm
1 stop7h 13m
Saint Thomas Island Cyril E King
Sat 10/3
4:45 pm-11:59 pm
1 stop7h 14m
$434
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Mon 9/21
5:35 pm-12:51 pm
2 stops19h 16m
Saint Thomas Island Cyril E King
Mon 9/28
1:41 pm-9:44 am
2 stops20h 03m
$434
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Sat 10/3
5:35 pm-12:51 pm
2 stops19h 16m
Saint Thomas Island Cyril E King
Sat 10/10
1:48 pm-8:32 am
2 stops18h 44m
$453
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Wed 9/16
7:00 am-12:51 pm
1 stop5h 51m
Saint Thomas Island Cyril E King
Sun 9/20
1:41 pm-9:44 am
2 stops20h 03m
$458
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Fri 9/18
7:18 pm-12:51 pm
2 stops17h 33m
Saint Thomas Island Cyril E King
Sun 9/20
1:41 pm-9:44 am
2 stops20h 03m
$488
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Sat 9/5
7:40 pm-12:53 pm
1 stop17h 13m
Saint Thomas Island Cyril E King
Sat 9/12
1:41 pm-8:30 am
2 stops18h 49m
$512
Sorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
TYS-STT
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
What is the cheapest month to book a flight from Knoxville to Saint Thomas Island?
Currently, January is the cheapest month in which you can book a flight from Knoxville to Saint Thomas Island (average of $550). Flying from Knoxville to Saint Thomas Island in October is currently the most expensive (average of $1,185). 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.
How much does it cost to fly round-trip from Knoxville to Saint Thomas Island?
Airfare is below average for this route at the moment.
Knoxville to Saint Thomas Island flights typically cost between $428 and $662 in September.The cheapest round-trip price found within the last 5 days was $418 on American Airlines (Sep 24-Sep 30).
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 July 23, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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.
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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Knoxville and Saint Thomas Island flights
Browse other Knoxville and Saint Thomas Island flight options. Last updated on July 23, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Saint Thomas Island
Explore flights to Saint Thomas Island departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 23, 2026.
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 July 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$912 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$500 | Average$698 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$599 | Average$889 | FlexibilityNo cancel fee | On-time69% |