HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Caribbean

$142+ Cheap flights from Knoxville (TYS) to Caribbean

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Caribbean 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 Caribbean

Cheapest flights from Knoxville to Caribbean
Explore the most affordable flight options available from Knoxville to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:56 pm
TYS
-
SJU
1 stop30h 09m
Multiple Airlines
Wed 2/255:25 pm
SJU
-
TYS
2 stops29h 42m
Multiple Airlines
Deal found 1/26$239
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:56 pm
TYS
-
SJU
1 stop30h 09m
Multiple Airlines
Sat 2/285:25 pm
SJU
-
TYS
2 stops29h 42m
Multiple Airlines
Deal found 1/26$266
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:11 pm
TYS
-
SJU
1 stop29h 54m
Multiple Airlines
Mon 3/27:00 am
SJU
-
TYS
1 stop17h 36m
Multiple Airlines
Deal found 1/26$288
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Mon 2/212:55 pm
TYS
-
SJU
1 stop19h 52m
Multiple Airlines
Sat 2/74:36 pm
SJU
-
TYS
2 stops26h 17m
Multiple Airlines
Deal found 1/24$289
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/212:55 pm
TYS
-
SJU
1 stop19h 52m
Multiple Airlines
Fri 2/64:40 pm
SJU
-
TYS
1 stop19h 29m
Multiple Airlines
Deal found 1/26$297
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/11:39 pm
TYS
-
SJU
1 stop20h 08m
Multiple Airlines
Sat 3/76:00 am
SJU
-
TYS
1 stop13h 58m
Multiple Airlines
Deal found 1/26$310
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:30 am
TYS
-
SJU
1 stop13h 33m
Multiple Airlines
Sun 4/53:16 am
SJU
-
TYS
1 stop15h 05m
Multiple Airlines
Deal found 1/26$317
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/136:30 am
TYS
-
STT
2 stops33h 04m
Multiple Airlines
Tue 2/175:40 pm
STT
-
TYS
1 stop17h 28m
Multiple Airlines
Deal found 1/26$317
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:30 am
TYS
-
SJU
1 stop7h 30m
Multiple Airlines
Tue 3/107:05 pm
SJU
-
TYS
1 stop17h 46m
Multiple Airlines
Deal found 1/27$319
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/11:39 pm
TYS
-
SJU
1 stop20h 08m
Multiple Airlines
Sat 2/79:29 pm
SJU
-
TYS
1 stop21h 24m
Multiple Airlines
Deal found 1/26$321
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/212:55 pm
TYS
-
SJU
1 stop10h 04m
Multiple Airlines
Thu 2/54:36 pm
SJU
-
TYS
2 stops23h 54m
Multiple Airlines
Deal found 1/26$326
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/149:16 pm
TYS
-
STT
1 stop18h 12m
Multiple Airlines
Thu 3/194:35 pm
STT
-
TYS
1 stop15h 33m
Multiple Airlines
Deal found 1/26$337

Find flight deals from Knoxville to Caribbean

Keep the following information in mind while searching for Knoxville to Caribbean flight deals. Data was last updated January 27, 2026.

Round-trip from

$239
(Kiwi.com)

One-way from

$142
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$513
From Knoxville McGhee Tyson to Caribbean
Search Deals
One-way flight from Knoxville McGhee Tyson to Caribbean
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Caribbean 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 27, 2026.
Use the filters below to find and compare flights from Knoxville to Caribbean that are best for you.

Fly from

Knoxville

Fly to

Caribbean

Route

Depart

Return

Price

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 2/13

6:30 am-4:34 pm

2 stops33h 04m

Saint Thomas Island Cyril E King

Tue 2/17

5:40 pm-10:08 am

1 stop17h 28m

$317

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Thu 3/5

6:30 am-3:00 pm

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Tue 3/10

7:05 pm-12:51 pm

1 stop17h 46m

$319

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Wed 4/22

12:50 pm-6:10 pm

1 stop5h 20m

San Juan Luis Munoz Marin Intl

Wed 4/29

11:25 am-5:10 pm

1 stop5h 45m

$328

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Thu 2/26

4:03 pm-11:58 pm

1 stop6h 55m

San Juan Luis Munoz Marin Intl

Fri 3/6

6:15 am-3:15 pm

1 stop10h 00m

$386

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Wed 4/22

6:54 pm-4:32 am

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Mon 4/27

4:30 pm-9:52 am

1 stop17h 22m

$386

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Wed 4/22

8:15 am-6:10 pm

2 stops9h 55m

San Juan Luis Munoz Marin Intl

Sun 4/26

9:45 pm-11:40 am

2 stops13h 55m

$386

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sat 3/14

9:16 pm-1:26 pm

2 stops16h 10m

Saint Thomas Island Cyril E King

Thu 3/19

4:35 pm-8:08 am

1 stop15h 33m

$400

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 5/16

6:40 am-7:05 pm

1 stop12h 25m

San Juan Luis Munoz Marin Intl

Tue 5/26

8:10 am-5:10 pm

1 stop9h 00m

$406

KnoxvillePunta Cana

TYS - PUJ

TYSPUJ

Knoxville McGhee Tyson

Fri 2/20

6:30 am-8:25 pm

1 stop12h 55m

Punta Cana

Tue 2/24

10:45 am-3:00 pm

1 stop29h 15m

$413

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Tue 5/19

5:30 am-11:46 am

1 stop6h 16m

San Juan Luis Munoz Marin Intl

Fri 5/22

6:15 am-3:06 pm

1 stop8h 51m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 41 results
1
2
3
...
5

Best time to book a flight from Knoxville to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean 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 Caribbean

What is the cheapest month to book a flight from Knoxville to Caribbean?

Currently, August is the cheapest month in which you can book a flight from Knoxville to Caribbean (average of $86). Flying from Knoxville to Caribbean in May is currently the most expensive (average of $343). 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 Caribbean

Get insights into the airlines that provide service to Caribbean. 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 Caribbean. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Knoxville to Caribbean 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
8,119 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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
8,119 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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
9,205 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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
11,197 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

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 Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to Caribbean?

    Most people fly from Knoxville McGhee Tyson (TYS) if they book a flight from Knoxville to Caribbean. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from Knoxville to Caribbean?

    There are many flights that can get you from Knoxville to Caribbean in 5h 20m. Fly via Southwest, Delta, or American Airlines to get the fastest option. Airlines will cover a distance of 1625 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Knoxville to Caribbean?

    Most travelers choose Knoxville McGhee Tyson - San Juan Luis Munoz Marin Intl, Knoxville McGhee Tyson - George Town Owen Roberts Intl or Knoxville McGhee Tyson - Oranjestad Reina Beatrix when deciding on the best route from Knoxville to Caribbean.

  • Can I find deals for flights from Knoxville to Caribbean that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Caribbean 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 Caribbean?

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Caribbean (average of $86). Flying from Knoxville to Caribbean in May is currently the most expensive (average of $343). 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

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 Caribbean

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Seattle flights
Nashville to Los Angeles flights
Memphis to Hobby flights
Nashville to Orlando flights
Knoxville to Denver flights
Nashville to John F Kennedy Intl flights
Nashville to Newark flights
Nashville to Miami flights
Nashville to Las Vegas flights
Nashville to Dallas/Fort Worth flights
Nashville to Denver flights
Nashville to Fort Lauderdale flights
Nashville to LaGuardia flights
Nashville to Hobby flights
Memphis to George Bush Intcntl flights
Memphis to Atlanta flights
Memphis to Orlando flights
Nashville to Reagan-National flights
Memphis to Las Vegas flights
Memphis to Denver flights
Memphis to LaGuardia flights
Nashville to Heathrow flights
Nashville to Cancún flights
Nashville to O'Hare Intl flights
Nashville to Sky Harbor Intl flights
Chattanooga to LaGuardia flights
Nashville to George Bush Intcntl flights
Nashville to Dulles Intl flights
Memphis to John F Kennedy Intl flights
Memphis to Miami flights
Chattanooga to Orlando flights
Nashville to San Francisco flights
Knoxville to LaGuardia flights
Nashville to Boston flights
Knoxville to Hobby flights
Nashville to Tampa flights
Memphis to Dallas/Fort Worth flights
Nashville to Salt Lake City flights
Memphis to O'Hare Intl flights
Memphis to Los Angeles flights
Chattanooga to Las Vegas flights
Memphis to Newark flights
Nashville to Honolulu flights
Nashville to Baltimore flights
Knoxville to Orlando flights
Chattanooga to John F Kennedy Intl flights
Nashville to Cozumel flights
Nashville to Fort Myers flights
Memphis to Seattle flights
Knoxville to George Bush Intcntl flights

Top 3 airlines flying from Knoxville to Caribbean

Discover the top 3 airlines that operate flights from Knoxville to Caribbean. 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 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$335Average$705FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$385Average$663FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$435Average$663FlexibilityNo 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.