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$91+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Knoxville to Caribbean

Keep the following information in mind while searching for Knoxville to Caribbean flight deals. Data was last updated October 28, 2025.

Round-trip from

$307
(Kiwi.com)

One-way from

$91
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$522
From Knoxville McGhee Tyson to Caribbean
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One-way flight from Knoxville McGhee Tyson to Caribbean
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Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/25. 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 12/71:22 pmTYS - SJU
1 stop9h 51mMultiple Airlines
Sat 12/201:59 amSJU - TYS
2 stops21h 43mMultiple Airlines
Deal found 10/25$307
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 12/85:56 pmTYS - SJU
1 stop28h 29mMultiple Airlines
Fri 12/196:00 amSJU - TYS
1 stop27h 03mMultiple Airlines
Deal found 10/27$332
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/249:29 pmTYS - SJU
1 stop25h 15mMultiple Airlines
Mon 12/111:55 amSJU - TYS
2 stops29h 08mMultiple Airlines
Deal found 10/27$344
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/83:57 pmTYS - SJU
1 stop6h 23mDelta
Tue 12/167:00 amSJU - TYS
1 stop8h 52mDelta
Deal found 10/26$345
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/142:02 pmTYS - SJU
2 stops41h 43mMultiple Airlines
Fri 11/211:42 pmSJU - TYS
1 stop8h 48mMultiple Airlines
Deal found 10/26$352
This Frontier deal was found by Cheapflights users on 10/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:07 pmTYS - SJU
2 stops17h 20mFrontier
Thu 11/209:30 pmSJU - TYS
2 stops19h 23mFrontier
Deal found 10/26$376
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:20 amTYS - SJU
1 stop10h 49mAmerican Airlines
Thu 12/181:30 amSJU - TYS
1 stop10h 58mAmerican Airlines
Deal found 10/27$385
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:07 pmTYS - SJU
1 stop6h 37mAmerican Airlines
Thu 1/154:49 pmSJU - TYS
1 stop8h 10mAmerican Airlines
Deal found 10/27$405
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 12/115:12 pmTYS - PUJ
1 stop22h 38mMultiple Airlines
Thu 12/186:08 pmPUJ - TYS
1 stop14h 55mMultiple Airlines
Deal found 10/27$415
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/87:30 amTYS - MBJ
2 stops28h 32mMultiple Airlines
Sat 11/151:07 pmMBJ - TYS
1 stop19h 57mMultiple Airlines
Deal found 10/26$424
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 11/219:45 pmTYS - STT
1 stop18h 04mMultiple Airlines
Wed 11/262:00 pmSTT - TYS
1 stop26h 37mMultiple Airlines
Deal found 10/27$460
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/79:09 pmTYS - MBJ
1 stop14h 53mMultiple Airlines
Fri 11/144:30 pmMBJ - TYS
2 stops40h 34mMultiple Airlines
Deal found 10/26$475

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 October 28, 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

Mon 12/8

3:57 pm-11:20 pm

1 stop6h 23m

San Juan Luis Munoz Marin Intl

Tue 12/16

7:00 am-2:52 pm

1 stop8h 52m

$345

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/24

5:59 pm-7:21 pm

2 stops24h 22m

San Juan Luis Munoz Marin Intl

Sat 1/31

6:00 am-8:39 am

2 stops27h 39m

$393

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 1/5

7:15 am-2:39 am

2 stops18h 24m

San Juan Luis Munoz Marin Intl

Mon 1/12

11:05 am-5:28 pm

1 stop7h 23m

$410

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 1/2

6:00 am-2:28 pm

1 stop7h 28m

Saint Thomas Island Cyril E King

Sat 1/10

1:33 pm-8:39 am

1 stop20h 06m

$411

KnoxvillePunta Cana

TYS - PUJ

TYSPUJ

Knoxville McGhee Tyson

Sat 1/3

2:23 pm-2:11 pm

2 stops22h 48m

Punta Cana

Sat 1/10

1:21 pm-8:39 am

1 stop20h 18m

$416

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Thu 1/8

7:26 pm-7:55 pm

2 stops23h 29m

San Juan Luis Munoz Marin Intl

Mon 1/12

11:05 am-5:28 pm

1 stop7h 23m

$434

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Thu 1/15

9:29 am-11:31 pm

1 stop13h 02m

San Juan Luis Munoz Marin Intl

Sun 1/18

3:39 pm-11:05 pm

1 stop8h 26m

$436

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sun 11/16

8:04 pm-1:38 pm

1 stop16h 34m

San Juan Luis Munoz Marin Intl

Thu 11/20

12:02 pm-11:59 pm

1 stop12h 57m

$445

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 11/15

4:56 pm-10:17 am

1 stop16h 21m

San Juan Luis Munoz Marin Intl

Tue 11/18

2:47 pm-10:51 pm

2 stops9h 04m

$445

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Fri 11/21

9:45 pm-4:49 pm

1 stop18h 04m

Saint Thomas Island Cyril E King

Wed 11/26

2:00 pm-3:37 pm

1 stop26h 37m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 52 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 October 28, 2025.

It’s optimal to fly from Knoxville to Caribbean in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the afternoon.

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. Sunday 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 October 28, 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
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 19m. Fly via Delta, American Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 838 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Knoxville to Caribbean one-way?

    One-way options have recently been found by users for as low as $173 on Southwest. Other airlines that offer cheap prices include American Airlines from $273 and Delta from $278 one-way.

  • 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 - Montego Bay Sangster 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 $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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See prices for flight routes from nearby airports that may be better suited for you.
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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$334Average$644FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$672FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$365Average$647FlexibilityNo cancel feeOn-time71%

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