$192+ Cheap flights from Puerto Rico 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TYS
Jun 10 — Jun 171
Round-trip
1 adult, Economy
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Find cheap flights from Puerto Rico to Knoxville with Cheapflights
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Puerto Rico to Knoxville
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Best
Last-minute
One-way
Cheapest flights from Puerto Rico to KnoxvilleExplore the most affordable flight options available from Puerto Rico to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
Explore the most affordable flight options available from Puerto Rico to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 5/297:00 am
SJU
- TYS
1 stop15h 01m
Multiple Airlines
Sun 6/73:46 pm
TYS
- SJU
2 stops25h 28m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 7/53:06 am
SJU
- TYS
1 stop20h 27m
Multiple Airlines
Fri 7/107:04 pm
TYS
- SJU
1 stop29h 37m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$373
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 6/305:15 pm
SJU
- TYS
2 stops25h 40m
Multiple Airlines
Sun 7/58:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 7/37:00 am
SJU
- TYS
1 stop15h 00m
Multiple Airlines
Wed 7/81:05 pm
TYS
- SJU
2 stops34h 24m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 7/37:00 am
SJU
- TYS
1 stop15h 00m
Multiple Airlines
Sat 7/116:00 am
TYS
- SJU
2 stops21h 58m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 9/64:05 pm
SJU
- TYS
2 stops21h 35m
Multiple Airlines
Wed 9/910:54 am
TYS
- SJU
1 stop12h 44m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 5/8. 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.
Fri 8/286:48 am
SJU
- TYS
1 stop10h 31m
Delta
Sun 8/305:19 am
TYS
- SJU
1 stop6h 27m
Delta
Deal found 5/8![Delta logo]()
$416
This Southwest deal was found by Cheapflights users on 5/7. 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 10/2212:00 pm
SJU
- TYS
2 stops9h 00m
Southwest
Tue 10/278:55 am
TYS
- SJU
2 stops12h 45m
Southwest
Deal found 5/7![Southwest logo]()
$422
Best flights from Puerto Rico to KnoxvilleDiscover carefully curated flight deals from Puerto Rico to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
Discover carefully curated flight deals from Puerto Rico to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 9/64:05 pm
SJU
- TYS
2 stops21h 35m
Multiple Airlines
Wed 9/910:54 am
TYS
- SJU
1 stop12h 44m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 5/6. 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.
Fri 8/282:59 pm
SJU
- TYS
1 stop7h 02m
Delta
Sun 8/305:19 am
TYS
- SJU
1 stop6h 27m
Delta
Deal found 5/6![Delta logo]()
$416
This Southwest deal was found by Cheapflights users on 5/6. 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 9/98:20 am
SJU
- TYS
2 stops11h 30m
Southwest
Thu 9/1012:30 pm
TYS
- SJU
1 stop9h 45m
Southwest
Deal found 5/6![Southwest logo]()
$455
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Thu 8/274:55 pm
SJU
- TYS
1 stop7h 02m
United Airlines
Mon 8/317:15 am
TYS
- SJU
1 stop8h 27m
United Airlines
Deal found 5/7![United Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Fri 5/222:56 pm
SJU
- TYS
1 stop9h 03m
American Airlines
Sat 5/307:49 pm
TYS
- SJU
1 stop13h 50m
American Airlines
Deal found 5/9![American Airlines logo]()
$586
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:46 pm
SJU
- TYS
1 stop8h 59m
Delta
Mon 10/265:30 am
TYS
- SJU
1 stop6h 06m
Delta
Deal found 5/11![Delta logo]()
$416
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 7/212:42 pm
SJU
- TYS
1 stop9h 10m
Delta
Thu 7/301:59 pm
TYS
- SJU
1 stop6h 46m
Delta
Deal found 5/6![Delta logo]()
$436
Last-minute flights from Puerto Rico to KnoxvilleDiscover last-minute flight deals from Puerto Rico to Knoxville. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Puerto Rico to Knoxville. Data last updated May 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 5/235:15 pm
SJU
- TYS
2 stops19h 44m
Multiple Airlines
Tue 5/265:05 pm
TYS
- SJU
1 stop22h 50m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 5/297:00 am
SJU
- TYS
1 stop15h 01m
Multiple Airlines
Sun 6/73:46 pm
TYS
- SJU
2 stops25h 28m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$334
This eDestinos deal was found by Cheapflights users on 5/10. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/186:44 am
SJU
- TYS
2 stops40h 54m
Multiple Airlines
Mon 6/221:02 pm
TYS
- SJU
1 stop11h 42m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Tue 6/305:15 pm
SJU
- TYS
2 stops25h 40m
Multiple Airlines
Sun 7/58:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$381
One-way flights from Puerto Rico to KnoxvilleSearch for one-way flight options from Puerto Rico to Knoxville. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
Search for one-way flight options from Puerto Rico to Knoxville. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 9/67:00 am
SJU
- TYS
1 stop9h 21m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/148:00 am
SJU
- TYS
2 stops39h 34m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/257:00 am
SJU
- TYS
3 stops33h 40m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$198
This Delta deal was found by Cheapflights users on 5/8. 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.
Fri 8/282:59 pm
SJU
- TYS
1 stop7h 02m
Delta
Deal found 5/8![Delta logo]()
$208
This Southwest deal was found by Cheapflights users on 5/6. 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.
Sun 9/66:00 am
SJU
- TYS
2 stops10h 05m
Southwest
Deal found 5/6![Southwest logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Fri 7/37:00 am
SJU
- TYS
1 stop15h 00m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$222
This eDestinos deal was found by Cheapflights users on 5/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:45 pm
SJU
- TYS
1 stop25h 36m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Tue 6/306:00 am
SJU
- TYS
1 stop10h 12m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$231
Find flight deals from Puerto Rico to Knoxville
Keep the following information in mind while searching for Puerto Rico to Knoxville flight deals. Data was last updated May 11, 2026.
Round-trip from | $334 (Kiwi.com) |
|---|---|
One-way from | $192 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $476 |
Cheapflights Fare Finder
Customize your flight search to find flights from Puerto Rico 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 May 11, 2026.
Use the filters below to find and compare flights from Puerto Rico to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Sun 9/6
4:05 pm-1:40 pm
2 stops21h 35m
Knoxville McGhee Tyson
Wed 9/9
10:54 am-11:38 pm
1 stop12h 44m
$404
Quickest round-trip
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Fri 8/28
2:59 pm-10:01 pm
1 stop7h 02m
Knoxville McGhee Tyson
Sun 8/30
5:19 am-11:46 am
1 stop6h 27m
$416
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Thu 10/22
12:46 pm-9:45 pm
1 stop8h 59m
Knoxville McGhee Tyson
Mon 10/26
5:30 am-11:36 am
1 stop6h 06m
$416
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Tue 7/21
2:42 pm-11:52 pm
1 stop9h 10m
Knoxville McGhee Tyson
Thu 7/30
1:59 pm-8:45 pm
1 stop6h 46m
$436
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Wed 9/9
8:20 am-7:50 pm
2 stops11h 30m
Knoxville McGhee Tyson
Thu 9/10
12:30 pm-10:15 pm
1 stop9h 45m
$455
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Thu 8/27
4:55 pm-11:57 pm
1 stop7h 02m
Knoxville McGhee Tyson
Mon 8/31
7:15 am-3:42 pm
1 stop8h 27m
$566
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Fri 5/22
2:56 pm-11:59 pm
1 stop9h 03m
Knoxville McGhee Tyson
Sat 5/30
7:49 pm-9:39 am
1 stop13h 50m
$586
Cheapest one-way
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Thu 6/25
8:00 am-11:34 pm
2 stops39h 34m
$203
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Fri 8/28
6:48 am-5:19 pm
1 stop10h 31m
$208
Quickest one-way
San JuanKnoxville
SJU - TYS
SJUTYS
San Juan Luis Munoz Marin Intl
Sun 9/6
6:00 am-4:05 pm
2 stops10h 05m
$218
Showing 1-10 of 13 resultsSorted by cheapest first
Best time to book a flight from Puerto Rico to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Puerto Rico with our price prediction graph.
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 Puerto Rico to Knoxville
PR0-TYS
SJU-TYS
How far ahead should I book a flight from Puerto Rico to Knoxville?
Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Puerto Rico to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Puerto Rico to Knoxville?
Currently, May is the cheapest month in which you can book a flight from Puerto Rico to Knoxville (average of $101). Flying from Puerto Rico to Knoxville in September is currently the most expensive (average of $466). 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 May 11, 2026.
Read through reviews of airlines operating flights from Puerto Rico 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.
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Puerto Rico 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
Morristown
Bryson City
Murphy
Alcoa
Oak Ridge
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Alternative routes for Puerto Rico to Knoxville
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Complete your trip
Complete your trip to Knoxville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Puerto Rico to Knoxville by cabin class
Find flights from Puerto Rico to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 11, 2026.
Puerto Rico and Knoxville flights
Browse other Puerto Rico and Knoxville flight options. Last updated on May 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Puerto Rico to Knoxville
Discover the top 2 airlines that operate flights from Puerto Rico 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 May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$390 | Average$555 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$395 | Average$486 | FlexibilityNo cancel fee | On-timeN/A |