$142+ Cheap flights from Knoxville (TYS) to Caribbean Islands
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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Aug 12 — Aug 191
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Caribbean Islands with Cheapflights
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Cheapest flights from Knoxville to Caribbean IslandsExplore the most affordable flight options available from Knoxville to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
Explore the most affordable flight options available from Knoxville to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/147:15 pm
TYS
- SJU
1 stop29h 26m
Multiple Airlines
Sun 8/237:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/712:50 pm
TYS
- SJU
1 stop24h 51m
Multiple Airlines
Mon 8/106:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/147:15 pm
TYS
- SJU
1 stop29h 26m
Multiple Airlines
Fri 8/216:35 am
SJU
- TYS
1 stop11h 29m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/98:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Sun 8/166:00 am
SJU
- TYS
1 stop26h 36m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1012:50 pm
TYS
- SJU
1 stop24h 51m
Multiple Airlines
Sat 8/156:00 am
SJU
- TYS
1 stop10h 13m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/85:03 pm
TYS
- SJU
1 stop23h 08m
Multiple Airlines
Sun 8/166:00 am
SJU
- TYS
1 stop26h 36m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/85:03 pm
TYS
- SJU
1 stop23h 08m
Multiple Airlines
Sat 8/155:22 pm
SJU
- TYS
1 stop29h 03m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 10/99:35 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Sat 10/175:12 pm
SJU
- TYS
1 stop15h 23m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 7/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:15 am
TYS
- STT
2 stops10h 37m
American Airlines
Fri 8/211:49 pm
STT
- TYS
2 stops19h 54m
American Airlines
Deal found 7/11![American Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
TYS
- NAS
2 stops19h 25m
Southwest
Sun 8/301:10 pm
NAS
- TYS
2 stops8h 35m
Southwest
Deal found 7/8![Southwest logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 9/126:55 pm
TYS
- NAS
1 stop15h 35m
Multiple Airlines
Thu 9/177:15 am
NAS
- TYS
1 stop9h 16m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 9/265:35 pm
TYS
- STT
2 stops19h 16m
American Airlines
Sat 10/31:41 pm
STT
- TYS
2 stops18h 49m
American Airlines
Deal found 7/7![American Airlines logo]()
$433
Best flights from Knoxville to Caribbean IslandsDiscover carefully curated flight deals from Knoxville to Caribbean Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
Discover carefully curated flight deals from Knoxville to Caribbean Islands that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am
TYS
- SJU
1 stop7h 40m
United Airlines
Sat 11/75:50 pm
SJU
- TYS
1 stop7h 06m
United Airlines
Deal found 7/10![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 7/7. 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 8/174:38 pm
TYS
- SJU
1 stop5h 51m
Delta
Sun 8/307:00 am
SJU
- TYS
1 stop10h 19m
Delta
Deal found 7/7![Delta logo]()
$346
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 10/226:00 am
TYS
- SJU
1 stop9h 38m
American Airlines
Wed 10/286:20 am
SJU
- TYS
2 stops9h 58m
American Airlines
Deal found 7/7![American Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:05 pm
TYS
- SJU
2 stops9h 45m
Southwest
Wed 8/268:20 am
SJU
- TYS
2 stops10h 35m
Southwest
Deal found 7/7![Southwest logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Wed 9/1610:54 am
TYS
- FPO
1 stop26h 51m
Multiple Airlines
Wed 9/2311:00 am
FPO
- TYS
1 stop23h 04m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$505
This Copa Airlines deal was found by Cheapflights users on 7/7. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:25 pm
TYS
- PUJ
2 stops15h 23m
Copa Airlines
Mon 10/2611:50 am
PUJ
- TYS
2 stops22h 59m
Copa Airlines
Deal found 7/7![Copa Airlines logo]()
$678
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:05 pm
TYS
- SJU
1 stop8h 33m
United Airlines
Mon 10/54:55 pm
SJU
- TYS
1 stop7h 04m
United Airlines
Deal found 7/9![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 7/8. 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 9/66:00 am
TYS
- SJU
1 stop5h 46m
Delta
Thu 9/102:59 pm
SJU
- TYS
1 stop7h 28m
Delta
Deal found 7/8![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
TYS
- NAS
2 stops19h 25m
Southwest
Sun 8/301:10 pm
NAS
- TYS
2 stops8h 35m
Southwest
Deal found 7/8![Southwest logo]()
$418
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 9/185:35 pm
TYS
- STT
2 stops19h 16m
American Airlines
Mon 9/211:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/8![American Airlines logo]()
$433
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:35 pm
TYS
- STT
2 stops19h 16m
American Airlines
Sat 10/101:48 pm
STT
- TYS
2 stops20h 35m
American Airlines
Deal found 7/9![American Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 7/10. 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.
Mon 8/246:54 pm
TYS
- FPO
1 stop18h 36m
Multiple Airlines
Mon 8/311:10 pm
FPO
- TYS
1 stop5h 53m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$510
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:50 pm
TYS
- SJU
1 stop9h 05m
Southwest
Fri 11/206:05 am
SJU
- TYS
2 stops9h 55m
Southwest
Deal found 7/10![Southwest logo]()
$466
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sun 9/204:51 pm
TYS
- STT
2 stops20h 00m
American Airlines
Sun 9/271:41 pm
STT
- TYS
2 stops20h 03m
American Airlines
Deal found 7/7![American Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:15 am
TYS
- STT
1 stop8h 28m
United Airlines
Sat 10/34:45 pm
STT
- TYS
1 stop7h 14m
United Airlines
Deal found 7/7![United Airlines logo]()
$488
This American Airlines deal was found by Cheapflights users on 7/12. 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.
Sat 12/127:13 pm
TYS
- MBJ
1 stop18h 07m
American Airlines
Sat 12/191:06 pm
MBJ
- TYS
1 stop7h 37m
American Airlines
Deal found 7/12![American Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 7/7. 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 8/34:38 pm
TYS
- SJU
1 stop5h 51m
Delta
Mon 8/107:00 am
SJU
- TYS
1 stop8h 30m
Delta
Deal found 7/7![Delta logo]()
$540
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:20 am
TYS
- SJU
2 stops13h 35m
Southwest
Sun 10/1811:35 am
SJU
- TYS
2 stops9h 45m
Southwest
Deal found 7/7![Southwest logo]()
$506
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 8/207:25 pm
TYS
- MBJ
2 stops17h 17m
American Airlines
Thu 8/275:08 pm
MBJ
- TYS
2 stops15h 35m
American Airlines
Deal found 7/7![American Airlines logo]()
$447
This Copa Airlines deal was found by Cheapflights users on 7/9. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:25 pm
TYS
- PUJ
2 stops20h 44m
Copa Airlines
Mon 10/262:08 pm
PUJ
- TYS
2 stops20h 41m
Copa Airlines
Deal found 7/9![Copa Airlines logo]()
$678
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sun 9/66:05 pm
TYS
- MBJ
2 stops18h 37m
American Airlines
Sat 9/195:16 pm
MBJ
- TYS
2 stops16h 49m
American Airlines
Deal found 7/7![American Airlines logo]()
$447
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:25 am
TYS
- SJU
2 stops11h 40m
Southwest
Sat 8/156:25 am
SJU
- TYS
2 stops11h 15m
Southwest
Deal found 7/7![Southwest logo]()
$541
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:45 am
TYS
- PLS
1 stop7h 00m
Delta
Fri 10/302:05 pm
PLS
- TYS
1 stop9h 54m
Delta
Deal found 7/9![Delta logo]()
$615
This United Airlines deal was found by Cheapflights users on 7/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:55 pm
TYS
- MBJ
1 stop19h 53m
United Airlines
Thu 11/53:20 pm
MBJ
- TYS
2 stops18h 30m
United Airlines
Deal found 7/11![United Airlines logo]()
$628
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 9/108:02 pm
TYS
- MBJ
1 stop21h 14m
American Airlines
Thu 9/171:54 pm
MBJ
- TYS
1 stop8h 13m
American Airlines
Deal found 7/7![American Airlines logo]()
$450
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:30 am
TYS
- NAS
2 stops11h 05m
Southwest
Mon 7/272:10 pm
NAS
- TYS
2 stops8h 25m
Southwest
Deal found 7/9![Southwest logo]()
$567
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am
TYS
- PUJ
1 stop8h 32m
Delta
Sun 9/204:00 pm
PUJ
- TYS
1 stop7h 55m
Delta
Deal found 7/9![Delta logo]()
$641
This American Airlines deal was found by Cheapflights users on 7/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:06 pm
TYS
- STT
2 stops18h 45m
American Airlines
Sat 10/31:41 pm
STT
- TYS
1 stop9h 26m
American Airlines
Deal found 7/11![American Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:50 am
TYS
- SJU
2 stops9h 50m
Southwest
Sat 8/156:25 am
SJU
- TYS
2 stops11h 15m
Southwest
Deal found 7/10![Southwest logo]()
$576
This United Airlines deal was found by Cheapflights users on 7/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:15 am
TYS
- NAS
1 stop6h 32m
United Airlines
Wed 10/282:40 pm
NAS
- TYS
1 stop7h 02m
United Airlines
Deal found 7/10![United Airlines logo]()
$697
Last-minute flights from Knoxville to Caribbean IslandsDiscover last-minute flight deals from Knoxville to Caribbean Islands. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Caribbean Islands. Data last updated July 13, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Thu 8/67:25 pm
TYS
- MBJ
2 stops17h 17m
American Airlines
Thu 10/11:54 pm
MBJ
- TYS
1 stop8h 13m
American Airlines
Deal found 7/8![American Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/712:50 pm
TYS
- SJU
1 stop24h 51m
Multiple Airlines
Mon 8/106:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$256
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/85:03 pm
TYS
- SJU
1 stop23h 08m
Multiple Airlines
Sun 8/166:00 am
SJU
- TYS
1 stop26h 36m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/85:03 pm
TYS
- SJU
1 stop23h 08m
Multiple Airlines
Sat 8/155:22 pm
SJU
- TYS
1 stop29h 03m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/87:25 pm
TYS
- STT
2 stops20h 27m
American Airlines
Sat 8/154:42 pm
STT
- TYS
1 stop7h 09m
American Airlines
Deal found 7/9![American Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 8/98:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Sun 8/166:00 am
SJU
- TYS
1 stop26h 36m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/1012:50 pm
TYS
- SJU
1 stop24h 51m
Multiple Airlines
Sat 8/156:00 am
SJU
- TYS
1 stop10h 13m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/147:15 pm
TYS
- SJU
1 stop29h 26m
Multiple Airlines
Sun 8/237:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/147:15 pm
TYS
- SJU
1 stop29h 26m
Multiple Airlines
Fri 8/216:35 am
SJU
- TYS
1 stop11h 29m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$264
This American Airlines deal was found by Cheapflights users on 7/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:15 am
TYS
- STT
2 stops10h 37m
American Airlines
Fri 8/211:49 pm
STT
- TYS
2 stops19h 54m
American Airlines
Deal found 7/11![American Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Thu 8/207:40 pm
TYS
- MBJ
1 stop19h 09m
American Airlines
Thu 8/275:08 pm
MBJ
- TYS
1 stop5h 43m
American Airlines
Deal found 7/7![American Airlines logo]()
$453
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:50 pm
TYS
- NAS
2 stops19h 25m
Southwest
Sun 8/301:10 pm
NAS
- TYS
2 stops8h 35m
Southwest
Deal found 7/8![Southwest logo]()
$418
One-way flights from Knoxville to Caribbean IslandsSearch for one-way flight options from Knoxville to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
Search for one-way flight options from Knoxville to Caribbean Islands. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 9/196:55 pm
TYS
- SJU
1 stop28h 43m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/8. 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 8/179:26 am
TYS
- SJU
1 stop6h 45m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 9/206:49 pm
TYS
- SJU
1 stop28h 49m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:45 pm
TYS
- SJU
1 stop8h 20m
Southwest
Deal found 7/7![Southwest logo]()
$170
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 9/197:18 pm
TYS
- SJU
2 stops15h 42m
American Airlines
Deal found 7/7![American Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 7/188:40 pm
TYS
- SJU
1 stop19h 25m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:25 pm
TYS
- MBJ
2 stops17h 17m
American Airlines
Deal found 7/9![American Airlines logo]()
$203
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Wed 8/266:05 pm
TYS
- MBJ
2 stops18h 37m
American Airlines
Deal found 7/7![American Airlines logo]()
$208
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Fri 9/46:52 pm
TYS
- MBJ
1 stop19h 20m
American Airlines
Deal found 7/8![American Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/11. 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.
Mon 12/218:32 pm
TYS
- SJU
1 stop16h 30m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$227
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:51 pm
TYS
- STT
2 stops17h 16m
American Airlines
Deal found 7/9![American Airlines logo]()
$235
This American Airlines deal was found by Cheapflights users on 7/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:05 pm
TYS
- MBJ
2 stops16h 42m
American Airlines
Deal found 7/10![American Airlines logo]()
$243
Find flight deals from Knoxville to Caribbean Islands
Keep the following information in mind while searching for Knoxville to Caribbean Islands flight deals. Data was last updated July 13, 2026.
Round-trip from | $240 (Kiwi.com) |
|---|---|
One-way from | $142 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $601 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 13, 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
Cheapest round-trip
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 10/29
7:00 am-2:40 pm
1 stop7h 40m
San Juan Luis Munoz Marin Intl
Sat 11/7
5:50 pm-11:56 pm
1 stop7h 06m
$346
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 8/17
4:38 pm-10:29 pm
1 stop5h 51m
San Juan Luis Munoz Marin Intl
Sun 8/30
7:00 am-5:19 pm
1 stop10h 19m
$346
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 10/1
12:05 pm-8:38 pm
1 stop8h 33m
San Juan Luis Munoz Marin Intl
Mon 10/5
4:55 pm-11:59 pm
1 stop7h 04m
$346
Quickest round-trip
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Sun 9/6
6:00 am-11:46 am
1 stop5h 46m
San Juan Luis Munoz Marin Intl
Thu 9/10
2:59 pm-10:27 pm
1 stop7h 28m
$381
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 10/22
6:00 am-3:38 pm
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Wed 10/28
6:20 am-4:18 pm
2 stops9h 58m
$396
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 8/6
2:05 pm-11:50 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Wed 8/26
8:20 am-6:55 pm
2 stops10h 35m
$413
KnoxvilleNassau
TYS - NAS
TYSNAS
Knoxville McGhee Tyson
Thu 8/27
4:50 pm-12:15 pm
2 stops19h 25m
Nassau Intl
Sun 8/30
1:10 pm-9:45 pm
2 stops8h 35m
$418
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Fri 9/18
5:35 pm-12:51 pm
2 stops19h 16m
Saint Thomas Island Cyril E King
Mon 9/21
1:41 pm-9:44 am
2 stops20h 03m
$433
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Sat 10/3
5:35 pm-12:51 pm
2 stops19h 16m
Saint Thomas Island Cyril E King
Sat 10/10
1:48 pm-10:23 am
2 stops20h 35m
$433
KnoxvilleSaint Thomas Island
TYS - STT
TYSSTT
Knoxville McGhee Tyson
Sun 9/20
4:51 pm-12:51 pm
2 stops20h 00m
Saint Thomas Island Cyril E King
Sun 9/27
1:41 pm-9:44 am
2 stops20h 03m
$433
Showing 1-10 of 53 resultsSorted by cheapest first
Best time to book a flight from Knoxville to Caribbean Islands
Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from Knoxville with our price prediction graph.
TYS-SJU
TYS-FPO
TYS-PUJ
TYS-NAS
TYS-STT
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 Islands
TYS-zzEPX
TYS-SJU
TYS-FPO
TYS-PUJ
TYS-NAS
What is the cheapest month to book a flight from Knoxville to Caribbean Islands?
Currently, August is the cheapest month in which you can book a flight from Knoxville to Caribbean Islands (average of $148). Flying from Knoxville to Caribbean Islands in November is currently the most expensive (average of $502). 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 Islands
Get insights into the airlines that provide service to Caribbean Islands. 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 Islands. Reviews last updated July 13, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Knoxville to Caribbean Islands have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Food
7.2
Overall
7.8
Entertainment
7.8
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Knoxville to Caribbean Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Knoxville to Caribbean Islands
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Caribbean Islands by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Knoxville to Caribbean Islands by cabin class
Find flights from Knoxville to Caribbean Islands, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Caribbean Islands flights
Browse other Knoxville and Caribbean Islands flight options. Last updated on July 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Knoxville to Caribbean Islands flights
Consider these flights traveling from Knoxville to Caribbean Islands.
Top 3 airlines flying from Knoxville to Caribbean Islands
Discover the top 3 airlines that operate flights from Knoxville to Caribbean Islands. 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 July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$352 | Average$686 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$365 | Average$661 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$376 | Average$516 | FlexibilityNo cancel fee | On-time63% |