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Cheap flights from Knoxville to Caribbean Islands from $203

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Caribbean Islands departing on 1/25. 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
0 bags

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Find the cheapest flights from Knoxville to Caribbean Islands

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:59 pm - 12:32 pmTYS-SJU
17h 33m1 stop
Multiple Airlines Logo
10:52 am - 8:39 amSJU-TYS
22h 47m2 stops
$274Multiple Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
5:59 pm - 12:32 pmTYS-SJU
17h 33m1 stop
Multiple Airlines Logo
8:05 pm - 1:10 pmSJU-TYS
18h 05m1 stop
$275Multiple Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
5:59 pm - 9:47 amTYS-SJU
14h 48m2 stops
Multiple Airlines Logo
10:52 am - 8:39 amSJU-TYS
22h 47m2 stops
$280Multiple Airlines
Find Deal
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
5:59 pm - 9:47 amTYS-SJU
14h 48m2 stops
Multiple Airlines Logo
6:00 am - 5:28 pmSJU-TYS
12h 28m1 stop
$289Multiple Airlines
Find Deal
Sat, Jan 24 - Mon, Jan 26
Multiple Airlines Logo
1:22 pm - 10:47 amTYS-SJU
20h 25m2 stops
Multiple Airlines Logo
7:35 am - 8:18 amSJU-TYS
25h 43m1 stop
$293Multiple Airlines
Find Deal
Sun, Dec 7 - Sun, Dec 21
Delta Logo
8:47 am - 2:48 pmTYS-PUJ
6h 01m1 stop
Delta Logo
1:10 pm - 11:46 pmPUJ-TYS
10h 36m1 stop
$474Delta
Find Deal
Tue, Apr 14 - Wed, Apr 22
American Airlines Logo
8:09 am - 3:06 pmTYS-STT
5h 57m1 stop
American Airlines Logo
1:16 pm - 11:59 pmSTT-TYS
11h 43m1 stop
$479American Airlines
Find Deal
Thu, Feb 5 - Fri, Feb 13
American Airlines Logo
5:00 am - 11:21 amTYS-MHH
6h 21m1 stop
American Airlines Logo
12:51 pm - 6:36 pmMHH-TYS
5h 45m1 stop
$484American Airlines
Find Deal
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
7:00 am - 4:18 pmTYS-STT
8h 18m1 stop
United Airlines Logo
5:20 pm - 11:59 pmSTT-TYS
7h 39m1 stop
$531United Airlines
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Sat, Dec 13 - Sat, Dec 20
Delta Logo
5:40 am - 12:50 pmTYS-PLS
7h 10m1 stop
Delta Logo
1:25 pm - 11:45 pmPLS-TYS
10h 20m2 stops
$534Delta
Find Deal
Mon, Jan 26 - Thu, Jan 29

Southwest flights from Knoxville to Caribbean Islands

Our best Southwest deals on Knoxville to Caribbean Islands flight tickets
Southwest
Apr 30
TYS12:15 pmKnoxville McGhee Tyson
7h 45m
1 stop
SJU8:00 pmSan Juan Luis Munoz Marin Intl
May 9
SJU6:25 amSan Juan Luis Munoz Marin Intl
12h 05m
2 stops
TYS6:30 pmKnoxville McGhee Tyson
$385
Find similar
Southwest
Apr 30
TYS12:15 pmKnoxville McGhee Tyson
11h 25m
2 stops
SJU11:40 pmSan Juan Luis Munoz Marin Intl
May 9
SJU5:15 amSan Juan Luis Munoz Marin Intl
13h 15m
2 stops
TYS6:30 pmKnoxville McGhee Tyson
$395
Find similar
Southwest
Apr 17
TYS6:35 amKnoxville McGhee Tyson
11h 55m
2 stops
NAS6:30 pmNassau Intl
Apr 25
NAS8:45 amNassau Intl
9h 45m
2 stops
TYS6:30 pmKnoxville McGhee Tyson
$575
Find similar

United Airlines flights from Knoxville to Caribbean Islands

Our best United Airlines deals on Knoxville to Caribbean Islands flight tickets
United Airlines
Feb 25
TYS2:21 pmKnoxville McGhee Tyson
7h 01m
1 stop
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Mar 3
SJU8:10 amSan Juan Luis Munoz Marin Intl
8h 05m
1 stop
TYS3:15 pmKnoxville McGhee Tyson
$345
Find similar
United Airlines
Feb 6
TYS6:45 amKnoxville McGhee Tyson
8h 37m
1 stop
NAS3:22 pmNassau Intl
Feb 14
NAS2:35 pmNassau Intl
9h 09m
1 stop
TYS11:44 pmKnoxville McGhee Tyson
$525
Find similar
United Airlines
Dec 13
TYS7:00 amKnoxville McGhee Tyson
8h 18m
1 stop
STT4:18 pmSaint Thomas Island Cyril E King
Dec 20
STT5:20 pmSaint Thomas Island Cyril E King
7h 39m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$531
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Caribbean Islands 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 November 21, 2025.
Use the filters below to find and compare flights from Knoxville to Caribbean Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/17

5:59 pm-12:32 pm

1 stop17h 33m

San Juan Luis Munoz Marin Intl

Sat 1/24

10:52 am-8:39 am

2 stops22h 47m

$274

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/17

5:59 pm-12:32 pm

1 stop17h 33m

San Juan Luis Munoz Marin Intl

Sat 1/24

8:05 pm-1:10 pm

1 stop18h 05m

$275

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/17

5:59 pm-9:47 am

2 stops14h 48m

San Juan Luis Munoz Marin Intl

Sat 1/24

10:52 am-8:39 am

2 stops22h 47m

$280

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/24

5:59 pm-9:47 am

2 stops14h 48m

San Juan Luis Munoz Marin Intl

Mon 1/26

6:00 am-5:28 pm

1 stop12h 28m

$289

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sun 12/7

1:22 pm-10:47 am

2 stops20h 25m

San Juan Luis Munoz Marin Intl

Sun 12/21

7:35 am-8:18 am

1 stop25h 43m

$293

KnoxvillePunta Cana

TYS - PUJ

TYSPUJ

Knoxville McGhee Tyson

Tue 4/14

8:47 am-2:48 pm

1 stop6h 01m

Punta Cana

Wed 4/22

1:10 pm-11:46 pm

1 stop10h 36m

$474

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Thu 2/5

8:09 am-3:06 pm

1 stop5h 57m

Saint Thomas Island Cyril E King

Fri 2/13

1:16 pm-11:59 pm

1 stop11h 43m

$479

KnoxvilleMarsh Harbour

TYS - MHH

TYSMHH

Knoxville McGhee Tyson

Sun 2/22

5:00 am-11:21 am

1 stop6h 21m

Marsh Harbour

Thu 2/26

12:51 pm-6:36 pm

1 stop5h 45m

$484

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Sat 12/13

7:00 am-4:18 pm

1 stop8h 18m

Saint Thomas Island Cyril E King

Sat 12/20

5:20 pm-11:59 pm

1 stop7h 39m

$531

KnoxvilleProvidenciales

TYS - PLS

TYSPLS

Knoxville McGhee Tyson

Mon 1/26

5:40 am-12:50 pm

1 stop7h 10m

Providenciales

Thu 1/29

1:25 pm-11:45 pm

2 stops10h 20m

$534

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Caribbean Islands from

How to get the cheapest flight ticket from Knoxville to Caribbean Islands

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 cheapest month to fly to Caribbean Islands?

The month of February is, on average, the cheapest month to fly to Caribbean Islands from Knoxville, with most prices found around $375. The month of September is another great option to travel to Caribbean Islands, with average flight prices from Knoxville averaging around $423.

What is the cheapest day to depart on your flight to Caribbean Islands?

The cheapest day to depart from Knoxville to Caribbean Islands is on a Tuesday. Travelers who choose to depart for Caribbean Islands on a Tuesday will often find tickets for as low as $445. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $579. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean Islands.

What is the cheapest time of day to depart on your flight to Caribbean Islands?

According to our data, the cheapest time of day to fly to Caribbean Islands is in the evening. momondo users have found flights departing from Knoxville to Caribbean Islands in the evening for as low as $314. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $562. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Caribbean Islands?

You are more likely to see cheaper flights to Caribbean Islands from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean Islands for around $529 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean Islands from Knoxville for as low as $361 on momondo.

Can stopping save me money on Knoxville to Caribbean Islands flights?

No. A direct flight is the cheapest option for a flight between Knoxville to Caribbean Islands.

Cheap Knoxville to Caribbean Islands flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Caribbean Islands

Direct flights

None
There are no direct flights from Knoxville to Caribbean Islands. There are no popular flight routes from Knoxville to Caribbean Islands.
Search flight deals

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Caribbean Islands?

    Prices for flights from Knoxville McGhee Tyson Airport to Caribbean Islands refresh daily.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Caribbean Islands?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Caribbean Islands?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Caribbean Islands.

  • What documentation or ID do you need to fly to Caribbean Islands?

    The travel and health documents required for your trip to Caribbean Islands can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Caribbean Islands. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Knoxville to Caribbean Islands?

Best airlines flying from Knoxville to Caribbean Islands

Compare and see reviews for airlines that fly from Knoxville to Caribbean Islands with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $334Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $365Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Caribbean Islands?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Caribbean Islands for you.

Can I find flights from Knoxville to Caribbean Islands with flexible booking policies on momondo?

Yes. All flights to Caribbean Islands from Knoxville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Knoxville to Caribbean Islands?

Once you have performed a search for Knoxville to Caribbean Islands flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Caribbean Islands, momondo offers a useful price alert feature which will track prices for flights to Caribbean Islands from Knoxville and alert you when they change.

An easier way to manage your Caribbean Islands trip

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