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Cheap flights from Knoxville to Saint Thomas Island from $337

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Saint Thomas Island departing on 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Knoxville to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:20 pm - 9:54 am
TYS
-
STT
15h 34m
1 stop
Multiple Airlines Logo
10:49 am - 12:24 pm
STT
-
TYS
25h 35m
1 stop
$337Multiple Airlines
Mon, Apr 20 - Sat, Apr 25
Multiple Airlines Logo
1:15 pm - 9:54 am
TYS
-
STT
20h 39m
1 stop
Multiple Airlines Logo
5:10 pm - 10:36 am
STT
-
TYS
17h 26m
1 stop
$353Multiple Airlines
Fri, Apr 17 - Tue, Apr 21
Multiple Airlines Logo
12:56 pm - 11:30 am
TYS
-
STT
22h 34m
1 stop
Multiple Airlines Logo
5:10 pm - 8:35 pm
STT
-
TYS
27h 25m
1 stop
$364Multiple Airlines
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
6:20 pm - 9:54 am
TYS
-
STT
15h 34m
1 stop
Multiple Airlines Logo
10:49 am - 3:41 pm
STT
-
TYS
28h 52m
2 stops
$367Multiple Airlines
Mon, Apr 20 - Sat, Apr 25
Multiple Airlines Logo
1:15 pm - 11:30 am
TYS
-
STT
22h 15m
2 stops
Multiple Airlines Logo
12:25 pm - 10:36 am
STT
-
TYS
22h 11m
1 stop
$387Multiple Airlines
Fri, Apr 17 - Tue, Apr 21
Multiple Airlines Logo
12:56 pm - 9:54 am
TYS
-
STT
20h 58m
2 stops
Multiple Airlines Logo
5:10 pm - 8:35 pm
STT
-
TYS
27h 25m
1 stop
$399Multiple Airlines
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
5:11 pm - 12:47 pm
TYS
-
STT
19h 36m
1 stop
Multiple Airlines Logo
3:21 pm - 11:16 am
STT
-
TYS
43h 55m
2 stops
$460Multiple Airlines
Sat, May 30 - Sat, Jun 6
United Airlines Logo
7:05 am - 3:43 pm
TYS
-
STT
8h 38m
1 stop
United Airlines Logo
1:22 pm - 11:44 pm
STT
-
TYS
10h 22m
1 stop
$468United Airlines
Fri, May 1 - Thu, May 7
Multiple Airlines Logo
5:11 pm - 12:47 pm
TYS
-
STT
19h 36m
1 stop
Multiple Airlines Logo
3:21 pm - 11:16 am
STT
-
TYS
43h 55m
2 stops
$476Multiple Airlines
Sat, May 30 - Sat, Jun 6
Multiple Airlines Logo
5:11 pm - 12:47 pm
TYS
-
STT
19h 36m
1 stop
Multiple Airlines Logo
1:52 pm - 12:11 pm
STT
-
TYS
22h 19m
1 stop
$483Multiple Airlines
Sat, May 30 - Sat, Jun 6

United Airlines flights from Knoxville to Saint Thomas Island

Our best United Airlines deals on Knoxville to Saint Thomas Island flight tickets
United Airlines
May 1
TYS7:05 amKnoxville McGhee Tyson
8h 38m
1 stop
STT3:43 pmSaint Thomas Island Cyril E King
May 7
STT1:22 pmSaint Thomas Island Cyril E King
10h 22m
1 stop
TYS11:44 pmKnoxville McGhee Tyson
$468
United Airlines
Apr 11
TYS7:05 amKnoxville McGhee Tyson
8h 38m
1 stop
STT3:43 pmSaint Thomas Island Cyril E King
Apr 15
STT2:10 pmSaint Thomas Island Cyril E King
8h 58m
1 stop
TYS11:08 pmKnoxville McGhee Tyson
$485
United Airlines
Apr 13
TYS7:00 amKnoxville McGhee Tyson
8h 31m
1 stop
STT3:31 pmSaint Thomas Island Cyril E King
Apr 16
STT2:10 pmSaint Thomas Island Cyril E King
8h 24m
1 stop
TYS10:34 pmKnoxville McGhee Tyson
$510

American Airlines flights from Knoxville to Saint Thomas Island

Our best American Airlines deals on Knoxville to Saint Thomas Island flight tickets
American Airlines
May 1
TYS5:57 pmKnoxville McGhee Tyson
17h 38m
2 stops
STT11:35 amSaint Thomas Island Cyril E King
May 7
STT2:05 pmSaint Thomas Island Cyril E King
18h 27m
2 stops
TYS8:32 amKnoxville McGhee Tyson
$490
American Airlines
Jul 27
TYS8:05 pmKnoxville McGhee Tyson
14h 58m
1 stop
STT11:03 amSaint Thomas Island Cyril E King
Aug 3
STT4:50 pmSaint Thomas Island Cyril E King
7h 09m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$540
American Airlines
Jun 24
TYS7:59 pmKnoxville McGhee Tyson
16h 45m
2 stops
STT12:44 pmSaint Thomas Island Cyril E King
Jul 2
STT1:40 pmSaint Thomas Island Cyril E King
18h 51m
2 stops
TYS8:31 amKnoxville McGhee Tyson
$550

momondo 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, momondo users made 832,500 searches. Data last updated April 5, 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

Price

Cheapest round-trip

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Mon 4/20

6:20 pm-9:54 am

1 stop15h 34m

Saint Thomas Island Cyril E King

Sat 4/25

10:49 am-12:24 pm

1 stop25h 35m

$337

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 4/17

1:15 pm-9:54 am

1 stop20h 39m

Saint Thomas Island Cyril E King

Tue 4/21

5:10 pm-10:36 am

1 stop17h 26m

$353

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sat 4/25

12:56 pm-11:30 am

1 stop22h 34m

Saint Thomas Island Cyril E King

Sat 5/2

5:10 pm-8:35 pm

1 stop27h 25m

$364

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Mon 4/20

6:20 pm-9:54 am

1 stop15h 34m

Saint Thomas Island Cyril E King

Sat 4/25

10:49 am-3:41 pm

2 stops28h 52m

$367

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 4/17

1:15 pm-11:30 am

2 stops22h 15m

Saint Thomas Island Cyril E King

Tue 4/21

12:25 pm-10:36 am

1 stop22h 11m

$387

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sat 4/25

12:56 pm-9:54 am

2 stops20h 58m

Saint Thomas Island Cyril E King

Sat 5/2

5:10 pm-8:35 pm

1 stop27h 25m

$399

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sat 5/30

5:11 pm-12:47 pm

1 stop19h 36m

Saint Thomas Island Cyril E King

Sat 6/6

3:21 pm-11:16 am

2 stops43h 55m

$460
Quickest round-trip

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 5/1

7:05 am-3:43 pm

1 stop8h 38m

Saint Thomas Island Cyril E King

Thu 5/7

1:22 pm-11:44 pm

1 stop10h 22m

$468

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sat 5/30

5:11 pm-12:47 pm

1 stop19h 36m

Saint Thomas Island Cyril E King

Sat 6/6

3:21 pm-11:16 am

2 stops43h 55m

$476

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sat 5/30

5:11 pm-12:47 pm

1 stop19h 36m

Saint Thomas Island Cyril E King

Sat 6/6

1:52 pm-12:11 pm

1 stop22h 19m

$483

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Knoxville to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Knoxville and Saint Thomas Island?

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

The month of July is another great option to travel to Saint Thomas Island, with average flight prices from Knoxville averaging around $529.

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

You are more likely to see cheaper flights to Saint Thomas Island from Knoxville when booking week ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $689 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Knoxville for as low as $317 on momondo.

When to book flights from Knoxville to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Saint Thomas Island (TYS to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Saint Thomas Island

Fastest flight time

7h 13m

Direct flights

None
The fastest flight from Knoxville to Saint Thomas Island takes 7h 13m
There are no direct flights from Knoxville to Saint Thomas Island. There are no popular flight routes from Knoxville to Saint Thomas Island.
Search flight deals

Frequently asked questions about flying from Knoxville to Saint Thomas Island

  • How far is Knoxville McGhee Tyson to Saint Thomas Island Cyril E King by plane?

    Knoxville McGhee Tyson and Saint Thomas Island Cyril E King are 1679.0 mi apart from one another. In terms of flight time, this usually takes a little over 7h 13m.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Saint Thomas Island Cyril E King Airport are updated daily.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Saint Thomas Island Cyril E King Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The required travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Knoxville to Saint Thomas Island?

Best airlines flying from Knoxville to Saint Thomas Island

Compare and see reviews for airlines that fly from Knoxville to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $368Free CancellationRating
7.4
9,545 reviews
Search United Airlines flights
DeltaPriceFrom $419Free CancellationRating
7.9
8,386 reviews
Search Delta flights
American AirlinesPriceFrom $467Free CancellationRating
7.1
11,555 reviews
Search American Airlines flights

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

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Saint Thomas Island?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Saint Thomas Island. momondo saves you time and could save you money on your trip.

Can I find flights from Knoxville to Saint Thomas Island with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Thomas Island from Knoxville with this policy.

How can momondo help me find flights from Knoxville to Saint Thomas Island?

Once all potential Knoxville to Saint Thomas Island flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Knoxville to Saint Thomas Island right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Knoxville to Saint Thomas Island flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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