Cheap flights from Knoxville to Caribbean Islands from $148

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 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
7:30 am - 6:55 pm
TYS
-
SJU
11h 25m
1 stop
Multiple Airlines Logo
6:00 am - 8:42 pm
SJU
-
TYS
14h 42m
1 stop
$291Multiple Airlines
Mon, Apr 13 - Thu, Apr 16
Delta Logo
5:54 pm - 11:12 pm
TYS
-
SJU
5h 18m
1 stop
Delta Logo
6:15 am - 5:08 pm
SJU
-
TYS
10h 53m
1 stop
$300Delta
Mon, Apr 20 - Tue, Apr 28
Multiple Airlines Logo
1:36 pm - 12:47 am
TYS
-
SJU
11h 11m
1 stop
Multiple Airlines Logo
9:15 am - 4:40 pm
SJU
-
TYS
31h 25m
2 stops
$306Multiple Airlines
Mon, Jun 1 - Thu, Jun 4
Multiple Airlines Logo
8:30 am - 1:58 am
TYS
-
SJU
17h 28m
1 stop
Multiple Airlines Logo
7:54 pm - 10:36 am
SJU
-
TYS
14h 42m
1 stop
$309Multiple Airlines
Wed, Mar 25 - Tue, Apr 14
American Airlines Logo
5:57 pm - 1:15 pm
TYS
-
STT
19h 18m
2 stops
American Airlines Logo
5:05 pm - 8:32 am
STT
-
TYS
15h 27m
2 stops
$370American Airlines
Mon, Apr 13 - Thu, Apr 16
United Airlines Logo
7:05 am - 1:05 pm
TYS
-
MBJ
7h 00m
1 stop
United Airlines Logo
4:12 pm - 3:09 pm
MBJ
-
TYS
21h 57m
1 stop
$385United Airlines
Thu, Mar 26 - Tue, Mar 31
United Airlines Logo
7:00 am - 12:50 pm
TYS
-
MBJ
6h 50m
1 stop
United Airlines Logo
4:12 pm - 10:50 am
MBJ
-
TYS
17h 38m
1 stop
$443United Airlines
Mon, Apr 20 - Sun, Apr 26
American Airlines Logo
8:11 pm - 10:55 am
TYS
-
MBJ
15h 44m
1 stop
American Airlines Logo
5:17 pm - 10:48 am
MBJ
-
TYS
16h 31m
2 stops
$444American Airlines
Mon, Jul 13 - Thu, Jul 16
Southwest Logo
12:50 pm - 6:30 pm
TYS
-
NAS
5h 40m
1 stop
Southwest Logo
8:45 am - 5:10 pm
NAS
-
TYS
8h 25m
1 stop
$457Southwest
Tue, Apr 7 - Tue, Apr 14
Southwest Logo
8:15 am - 6:30 pm
TYS
-
NAS
10h 15m
2 stops
Southwest Logo
8:45 am - 7:40 pm
NAS
-
TYS
10h 55m
2 stops
$461Southwest
Tue, Apr 7 - Tue, Apr 14

United Airlines flights from Knoxville to Caribbean Islands

Our best United Airlines deals on Knoxville to Caribbean Islands flight tickets
United Airlines
May 5
TYS11:40 amKnoxville McGhee Tyson
8h 58m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
May 6
SJU7:20 amSan Juan Luis Munoz Marin Intl
7h 14m
1 stop
TYS2:34 pmKnoxville McGhee Tyson
$385
United Airlines
May 5
TYS7:00 amKnoxville McGhee Tyson
7h 44m
1 stop
SJU2:44 pmSan Juan Luis Munoz Marin Intl
May 6
SJU7:20 amSan Juan Luis Munoz Marin Intl
7h 14m
1 stop
TYS2:34 pmKnoxville McGhee Tyson
$390
United Airlines
Apr 20
TYS7:00 amKnoxville McGhee Tyson
6h 50m
1 stop
MBJ12:50 pmMontego Bay Sangster Intl
Apr 26
MBJ4:12 pmMontego Bay Sangster Intl
17h 38m
1 stop
TYS10:50 amKnoxville McGhee Tyson
$443

American Airlines flights from Knoxville to Caribbean Islands

Our best American Airlines deals on Knoxville to Caribbean Islands flight tickets
American Airlines
May 13
TYS5:00 amKnoxville McGhee Tyson
5h 48m
1 stop
SJU10:48 amSan Juan Luis Munoz Marin Intl
May 20
SJU10:03 amSan Juan Luis Munoz Marin Intl
13h 56m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
$348
American Airlines
Apr 13
TYS5:57 pmKnoxville McGhee Tyson
19h 18m
2 stops
STT1:15 pmSaint Thomas Island Cyril E King
Apr 16
STT5:05 pmSaint Thomas Island Cyril E King
15h 27m
2 stops
TYS8:32 amKnoxville McGhee Tyson
$370
American Airlines
Apr 20
TYS6:54 pmKnoxville McGhee Tyson
9h 38m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
Apr 28
SJU11:43 amSan Juan Luis Munoz Marin Intl
11h 13m
2 stops
TYS10:56 pmKnoxville McGhee Tyson
$373

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 February 27, 2026.
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

Mon 4/13

7:30 am-6:55 pm

1 stop11h 25m

San Juan Luis Munoz Marin Intl

Thu 4/16

6:00 am-8:42 pm

1 stop14h 42m

$291

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 4/20

5:54 pm-11:12 pm

1 stop5h 18m

San Juan Luis Munoz Marin Intl

Tue 4/28

6:15 am-5:08 pm

1 stop10h 53m

$300

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 6/1

1:36 pm-12:47 am

1 stop11h 11m

San Juan Luis Munoz Marin Intl

Thu 6/4

9:15 am-4:40 pm

2 stops31h 25m

$306

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Wed 3/25

8:30 am-1:58 am

1 stop17h 28m

San Juan Luis Munoz Marin Intl

Tue 4/14

7:54 pm-10:36 am

1 stop14h 42m

$309

KnoxvilleSaint Thomas Island

TYS - STT

TYSSTT

Knoxville McGhee Tyson

Mon 4/13

5:57 pm-1:15 pm

2 stops19h 18m

Saint Thomas Island Cyril E King

Thu 4/16

5:05 pm-8:32 am

2 stops15h 27m

$370

KnoxvilleMontego Bay

TYS - MBJ

TYSMBJ

Knoxville McGhee Tyson

Thu 3/26

7:05 am-1:05 pm

1 stop7h 00m

Montego Bay Sangster Intl

Tue 3/31

4:12 pm-3:09 pm

1 stop21h 57m

$385

KnoxvilleMontego Bay

TYS - MBJ

TYSMBJ

Knoxville McGhee Tyson

Mon 4/20

7:00 am-12:50 pm

1 stop6h 50m

Montego Bay Sangster Intl

Sun 4/26

4:12 pm-10:50 am

1 stop17h 38m

$443

KnoxvilleMontego Bay

TYS - MBJ

TYSMBJ

Knoxville McGhee Tyson

Mon 7/13

8:11 pm-10:55 am

1 stop15h 44m

Montego Bay Sangster Intl

Thu 7/16

5:17 pm-10:48 am

2 stops16h 31m

$444

KnoxvilleNassau

TYS - NAS

TYSNAS

Knoxville McGhee Tyson

Tue 4/7

12:50 pm-6:30 pm

1 stop5h 40m

Nassau Intl

Tue 4/14

8:45 am-5:10 pm

1 stop8h 25m

$457

KnoxvilleNassau

TYS - NAS

TYSNAS

Knoxville McGhee Tyson

Tue 4/7

8:15 am-6:30 pm

2 stops10h 15m

Nassau Intl

Tue 4/14

8:45 am-7:40 pm

2 stops10h 55m

$461

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 September is, on average, the cheapest month to fly to Caribbean Islands from Knoxville, with most prices found around $441. The month of October is another great option to travel to Caribbean Islands, with average flight prices from Knoxville averaging around $484.

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 $554 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 $388 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

Fastest flight time

4h 35m

Direct flights

None
The fastest flight from Knoxville to Caribbean Islands takes 4h 35m
There are no direct flights from Knoxville to Caribbean Islands. There are no popular flight routes from Knoxville to Caribbean Islands.
  • 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
SouthwestPriceFrom $337Free CancellationRating
8.0
4,303 reviews
Search Southwest flights
DeltaPriceFrom $345Free CancellationRating
7.9
8,245 reviews
Search Delta flights
American AirlinesPriceFrom $385Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
9,363 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.

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1 adult
Sun 3/29
Sun 4/5

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