$147+ Cheap flights from San Juan to Knoxville (TYS)
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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TYS
Mar 14 — Mar 211
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from San Juan to KnoxvilleExplore the most affordable flight options available from San Juan to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
Explore the most affordable flight options available from San Juan to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Tue 3/314:56 pm
TYS
- SJU
1 stop17h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Mon 4/67:11 pm
TYS
- SJU
1 stop18h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/267:54 pm
SJU
- TYS
1 stop12h 24m
Multiple Airlines
Tue 3/314:56 pm
TYS
- SJU
1 stop17h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/258:47 pm
SJU
- TYS
1 stop13h 28m
Multiple Airlines
Tue 3/314:56 pm
TYS
- SJU
1 stop17h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/267:54 pm
SJU
- TYS
1 stop12h 24m
Multiple Airlines
Mon 4/67:11 pm
TYS
- SJU
1 stop18h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/258:47 pm
SJU
- TYS
1 stop13h 28m
Multiple Airlines
Mon 4/67:11 pm
TYS
- SJU
1 stop18h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Wed 4/12:14 pm
TYS
- SJU
1 stop9h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 2/253:53 am
SJU
- TYS
2 stops19h 14m
Multiple Airlines
Mon 3/22:06 pm
TYS
- SJU
1 stop18h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/267:54 pm
SJU
- TYS
1 stop12h 24m
Multiple Airlines
Wed 4/12:14 pm
TYS
- SJU
1 stop9h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/258:47 pm
SJU
- TYS
1 stop13h 28m
Multiple Airlines
Wed 4/12:14 pm
TYS
- SJU
1 stop9h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Fri 4/35:39 pm
TYS
- SJU
1 stop14h 17m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/253:53 am
SJU
- TYS
2 stops19h 14m
Multiple Airlines
Sun 3/16:30 am
TYS
- SJU
1 stop12h 36m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$323
Best flights from San Juan to KnoxvilleDiscover carefully curated flight deals from San Juan to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from San Juan to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/267:54 pm
SJU
- TYS
1 stop12h 24m
Multiple Airlines
Wed 4/12:14 pm
TYS
- SJU
1 stop9h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 5/195:05 am
SJU
- TYS
2 stops12h 05m
Southwest
Wed 5/2712:50 pm
TYS
- SJU
1 stop5h 20m
Southwest
Deal found 2/10![Southwest logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/253:53 am
SJU
- TYS
2 stops19h 14m
Multiple Airlines
Sun 3/16:30 am
TYS
- SJU
1 stop12h 36m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$323
This Southwest deal was found by Cheapflights users on 2/9. 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.
Tue 5/125:05 am
SJU
- TYS
2 stops12h 05m
Southwest
Sat 5/167:45 am
TYS
- SJU
2 stops11h 20m
Southwest
Deal found 2/9![Southwest logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/247:54 pm
SJU
- TYS
1 stop14h 46m
Multiple Airlines
Tue 3/313:00 pm
TYS
- SJU
2 stops19h 10m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 2/9. 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.
Wed 5/205:35 am
SJU
- TYS
2 stops14h 05m
Southwest
Wed 5/278:15 am
TYS
- SJU
2 stops12h 50m
Southwest
Deal found 2/9![Southwest logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/265:30 am
SJU
- TYS
1 stop17h 15m
Multiple Airlines
Thu 4/22:16 pm
TYS
- SJU
2 stops10h 36m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Thu 4/21:24 pm
TYS
- SJU
1 stop10h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 4/17:54 pm
SJU
- TYS
1 stop27h 45m
Multiple Airlines
Sun 4/56:24 pm
TYS
- SJU
1 stop15h 46m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$361
Last-minute flights from San Juan to KnoxvilleDiscover last-minute flight deals from San Juan to Knoxville. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Knoxville. Data last updated February 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 2/253:53 am
SJU
- TYS
2 stops19h 14m
Multiple Airlines
Mon 3/22:06 pm
TYS
- SJU
1 stop18h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 2/253:53 am
SJU
- TYS
2 stops19h 14m
Multiple Airlines
Sun 3/16:30 am
TYS
- SJU
1 stop12h 36m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Tue 3/314:56 pm
TYS
- SJU
1 stop17h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Mon 4/67:11 pm
TYS
- SJU
1 stop18h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Wed 4/12:14 pm
TYS
- SJU
1 stop9h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 3/248:47 pm
SJU
- TYS
1 stop16h 28m
Multiple Airlines
Fri 4/35:39 pm
TYS
- SJU
1 stop14h 17m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/258:47 pm
SJU
- TYS
1 stop13h 28m
Multiple Airlines
Tue 3/314:56 pm
TYS
- SJU
1 stop17h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/258:47 pm
SJU
- TYS
1 stop13h 28m
Multiple Airlines
Mon 4/67:11 pm
TYS
- SJU
1 stop18h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 3/258:47 pm
SJU
- TYS
1 stop13h 28m
Multiple Airlines
Wed 4/12:14 pm
TYS
- SJU
1 stop9h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/267:54 pm
SJU
- TYS
1 stop12h 24m
Multiple Airlines
Tue 3/314:56 pm
TYS
- SJU
1 stop17h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/267:54 pm
SJU
- TYS
1 stop12h 24m
Multiple Airlines
Mon 4/67:11 pm
TYS
- SJU
1 stop18h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 3/267:54 pm
SJU
- TYS
1 stop12h 24m
Multiple Airlines
Wed 4/12:14 pm
TYS
- SJU
1 stop9h 48m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$316
One-way flights from San Juan to KnoxvilleSearch for one-way flight options from San Juan to Knoxville. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from San Juan to Knoxville. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/247:54 pm
SJU
- TYS
1 stop14h 46m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/257:54 pm
SJU
- TYS
1 stop26h 32m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 5/191:59 am
SJU
- TYS
2 stops34h 14m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Thu 3/195:30 am
SJU
- TYS
1 stop29h 05m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 2/8. 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.
Tue 6/911:15 am
SJU
- TYS
2 stops10h 00m
Southwest
Deal found 2/8![Southwest logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 3/288:47 pm
SJU
- TYS
1 stop13h 28m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$211
Find flight deals from San Juan to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 12, 2026.
Round-trip from | $288 (Kiwi.com) |
|---|---|
One-way from | $147 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $415 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Knoxville 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 February 12, 2026.
Use the filters below to find and compare flights from San Juan to Knoxville that are best for you.
Fly from
San Juan
Fly to
Knoxville
Route
Depart
Return
Price
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Thu 3/26
7:54 pm-8:18 am
1 stop12h 24m
Knoxville McGhee Tyson
Wed 4/1
2:14 pm-12:02 am
1 stop9h 48m
$316
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Wed 2/25
3:53 am-10:07 pm
2 stops19h 14m
Knoxville McGhee Tyson
Sun 3/1
6:30 am-8:06 pm
1 stop12h 36m
$323
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Tue 3/24
7:54 pm-10:40 am
1 stop14h 46m
Knoxville McGhee Tyson
Tue 3/31
3:00 pm-10:10 am
2 stops19h 10m
$339
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Thu 3/26
5:30 am-10:45 pm
1 stop17h 15m
Knoxville McGhee Tyson
Thu 4/2
2:16 pm-12:52 am
2 stops10h 36m
$354
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Tue 3/24
8:47 pm-1:15 pm
1 stop16h 28m
Knoxville McGhee Tyson
Thu 4/2
1:24 pm-11:59 pm
1 stop10h 35m
$356
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Wed 4/1
7:54 pm-11:39 pm
1 stop27h 45m
Knoxville McGhee Tyson
Sun 4/5
6:24 pm-10:10 am
1 stop15h 46m
$361
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Tue 5/19
5:05 am-5:10 pm
2 stops12h 05m
Knoxville McGhee Tyson
Wed 5/27
12:50 pm-6:10 pm
1 stop5h 20m
$362
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Tue 5/12
5:05 am-5:10 pm
2 stops12h 05m
Knoxville McGhee Tyson
Sat 5/16
7:45 am-7:05 pm
2 stops11h 20m
$372
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Wed 5/20
5:35 am-7:40 pm
2 stops14h 05m
Knoxville McGhee Tyson
Wed 5/27
8:15 am-9:05 pm
2 stops12h 50m
$376
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Tue 3/24
7:54 pm-10:40 am
1 stop14h 46m
$147
Showing 1-10 of 17 results
Best time to book a flight from San Juan to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from San Juan with our price prediction graph.
PR1-TYS
SJU-TYS
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 San Juan to Knoxville
PR1-TYS
SJU-TYS
How far ahead should I book a flight from San Juan to Knoxville?
Use this chart to determine the optimal time to book a round-trip flight from San Juan to Knoxville. Price data was last updated on February 6, 2026.
To ensure you get the cheapest price possible for a flight from San Juan to Knoxville, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Juan to Knoxville?
Currently, June is the cheapest month in which you can book a flight from San Juan to Knoxville (average of $139). Flying from San Juan to Knoxville in April is currently the most expensive (average of $403). 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 Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated February 12, 2026.
Read through reviews of airlines operating flights from San Juan to Knoxville, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Food
7.2
Overall
7.9
Boarding
8.1
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from San Juan to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy
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Top 2 airlines flying from San Juan to Knoxville
Discover the top 2 airlines that operate flights from San Juan to Knoxville. 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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$385 | Average$455 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$410 | Average$555 | FlexibilityNo cancel fee | On-time71% |