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$154+ 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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Tue 12/306:33 pmTYS - SJU
1 stop16h 25mMultiple Airlines
Fri 1/95:18 pmSJU - TYS
1 stop18h 51mMultiple Airlines
Deal found 12/11$299
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 - SJU
1 stop20h 05mMultiple Airlines
Tue 12/237:00 amSJU - TYS
2 stops34h 15mMultiple Airlines
Deal found 12/9$377
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/259:45 amTYS - SJU
1 stop13h 56mMultiple Airlines
Mon 12/297:15 amSJU - TYS
2 stops41h 17mMultiple Airlines
Deal found 12/10$382
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/189:08 amTYS - SJU
1 stop11h 57mMultiple Airlines
Tue 12/237:00 amSJU - TYS
2 stops34h 15mMultiple Airlines
Deal found 12/11$414
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/199:25 pmTYS - SJU
1 stop15h 34mMultiple Airlines
Mon 12/226:00 amSJU - TYS
1 stop27h 18mMultiple Airlines
Deal found 12/9$430
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/2512:50 pmTYS - PUJ
2 stops27h 00mMultiple Airlines
Tue 12/306:08 pmPUJ - TYS
1 stop17h 10mMultiple Airlines
Deal found 12/11$535
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/269:25 pmTYS - PUJ
1 stop18h 25mMultiple Airlines
Tue 12/306:08 pmPUJ - TYS
2 stops29h 43mMultiple Airlines
Deal found 12/11$550
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/273:40 pmTYS - PUJ
1 stop21h 29mMultiple Airlines
Tue 12/306:08 pmPUJ - TYS
1 stop17h 10mMultiple Airlines
Deal found 12/11$560
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/259:45 amTYS - PUJ
2 stops27h 44mMultiple Airlines
Wed 12/316:08 pmPUJ - TYS
1 stop25h 51mMultiple Airlines
Deal found 12/10$579
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/2512:50 pmTYS - PUJ
2 stops27h 00mMultiple Airlines
Thu 1/13:08 pmPUJ - TYS
1 stop20h 07mMultiple Airlines
Deal found 12/11$584
This Delta deal was found by Cheapflights users on 12/10. 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.
Sun 12/218:35 amTYS - STT
1 stop6h 50mDelta
Wed 12/243:06 pmSTT - TYS
1 stop6h 04mDelta
Deal found 12/10$593
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/273:40 pmTYS - PUJ
1 stop21h 29mMultiple Airlines
Thu 1/13:08 pmPUJ - TYS
1 stop20h 07mMultiple Airlines
Deal found 12/11$600

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 December 12, 2025.

Round-trip from

$208
(Kiwi.com)

One-way from

$154
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$684
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. 6% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 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 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 December 12, 2025.
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

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/10

5:59 pm-3:33 pm

1 stop20h 34m

San Juan Luis Munoz Marin Intl

Sat 1/17

7:34 pm-5:53 pm

2 stops23h 19m

$269

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sun 2/15

1:17 pm-2:50 am

1 stop12h 33m

San Juan Luis Munoz Marin Intl

Sun 2/22

2:29 am-11:38 pm

2 stops22h 09m

$300

KnoxvilleOranjestad

TYS - AUA

TYSAUA

Knoxville McGhee Tyson

Sun 1/11

9:29 am-3:35 pm

1 stop29h 06m

Oranjestad Reina Beatrix

Sat 1/17

4:40 pm-8:39 am

1 stop16h 59m

$333

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Fri 1/16

7:15 am-2:32 pm

2 stops30h 17m

San Juan Luis Munoz Marin Intl

Sun 1/18

5:38 pm-11:05 pm

1 stop6h 27m

$341

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 2/14

2:54 pm-2:50 am

1 stop10h 56m

San Juan Luis Munoz Marin Intl

Fri 2/20

7:00 am-10:05 pm

1 stop16h 05m

$343

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Thu 2/19

12:06 pm-11:37 pm

1 stop10h 31m

San Juan Luis Munoz Marin Intl

Fri 2/20

2:29 am-6:10 pm

2 stops16h 41m

$352

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Wed 2/18

3:52 pm-9:47 am

2 stops16h 55m

San Juan Luis Munoz Marin Intl

Fri 2/20

7:00 am-10:05 pm

1 stop16h 05m

$353

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sun 2/15

7:00 am-3:31 pm

1 stop7h 31m

San Juan Luis Munoz Marin Intl

Fri 2/20

7:00 am-10:05 pm

1 stop16h 05m

$354

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sun 2/15

1:17 pm-2:50 am

1 stop12h 33m

San Juan Luis Munoz Marin Intl

Thu 2/19

7:00 am-4:22 pm

1 stop10h 22m

$355

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Tue 2/17

4:04 pm-9:47 am

2 stops16h 43m

San Juan Luis Munoz Marin Intl

Fri 2/20

7:00 am-10:05 pm

1 stop16h 05m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 44 results
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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 $346). 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.

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

Find hourly flight availability from Knoxville to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Knoxville to Caribbean in the evening. By choosing this option you can save up to 23% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Knoxville to Caribbean?

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Caribbean. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Knoxville to Caribbean flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 2025.
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
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
9,095 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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
11,050 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

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 9h. Fly via Delta or American Airlines to get the fastest option. Airlines will cover a distance of 1525 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 - Oranjestad Reina Beatrix or Knoxville McGhee Tyson - Montego Bay Sangster Intl 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 $346). 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$335Average$641FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$365Average$662FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$435Average$695FlexibilityNo cancel feeOn-time69%

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